diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e9d4e17 --- /dev/null +++ b/.gitignore @@ -0,0 +1,27 @@ +Makefile +.DS_Store +# Xcode +build/ +*.pbxuser +!default.pbxuser +*.mode1v3 +!default.mode1v3 +*.mode2v3 +!default.mode2v3 +*.perspectivev3 +!default.perspectivev3 +*.xcworkspace +!default.xcworkspace +xcuserdata +profile +*.moved-aside +DerivedData +.idea/ +*.o +*.dSYM +*.orig +autom4te.cache +*~ +*.log +*.status +*.zip diff --git a/LICENSE.txt b/LICENSE.txt new file mode 100644 index 0000000..9d30639 --- /dev/null +++ b/LICENSE.txt @@ -0,0 +1,21 @@ +Copyright (c) 2022 Sriranga Veeraraghavan . +All rights reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. + diff --git a/Makefile.in b/Makefile.in new file mode 100644 index 0000000..d812051 --- /dev/null +++ b/Makefile.in @@ -0,0 +1,42 @@ +# Makefile.in for vocr + +PREFIX = @prefix@ +PGM_SRCS = vocr.m +PGM = @PACKAGE_NAME@ +PGM_REL = @PACKAGE_VERSION@ +PGM_MAN = $(PGM).1 +PGM_BINDIR = $(DESTDIR)$(PREFIX)/bin +PGM_MANDIR = $(DESTDIR)$(PREFIX)/man/man1 +PGM_FILES = $(PGM_SRCS) $(PGM_MAN) Makefile README.txt LICENSE.txt + +OBJC = @OBJC@ +CFLAGS=@OBJCFLAGS@ +LIBS=@LIBS@ +INSTALL=@INSTALL@ + +# rules + +all: + $(OBJC) $(CFLAGS) -o $(PGM) $(PGM_SRCS) $(LIBS) + +.PHONY: distclean +distclean: clean + /bin/rm -f Makefile config.log config.status + /bin/rm -rf ./autom4te.cache ./$(PGM).dSYM + +.PHONY: clean +clean: + /bin/rm -f *.o *~ core .DS_Store $(PGM) $(PGM).1.txt *.tgz + +# install and uninstall rules +# from: http://nuclear.mutantstargoat.com/articles/make/#writing-install-uninstall-rules + +.PHONY: install +install: $(PGM) + mkdir -p $(PGM_BINDIR) $(PGM_MANDIR) + $(INSTALL) $(PGM) $(PGM_BINDIR)/$(PGM) + $(INSTALL) -m 0644 $(PGM_MAN) $(PGM_MANDIR)/$(PGM_MAN) + +.PHONY: uninstall +uninstall: + rm $(PGM_BINDIR)/$(PGM) $(PGM_MANDIR)/$(PGM_MAN) diff --git a/README.md b/README.md deleted file mode 100644 index 88eb494..0000000 --- a/README.md +++ /dev/null @@ -1,2 +0,0 @@ -# vocr -MacOSX command line program to perform optical character recognition (OCR) on images and PDFs diff --git a/README.txt b/README.txt new file mode 100644 index 0000000..05a612b --- /dev/null +++ b/README.txt @@ -0,0 +1,73 @@ +README +------ + +vocr v0.1.0 +By Sriranga Veeraraghavan + +vocr is a MacOSX command line program that can perform optical +character recognition (OCR) on images and PDF files. It outputs +any text found in the input files to stdout. vocr relies on +Apple's Vision framework to perform OCR (hence its name v - for +[V]ision - and ocr - for [o]ptical [c]haracter [r]ecognition). + +Usage: + + vocr [-i [no|tab]] [-p] [-q] [files] + + If -i is specified with the 'no' option, vocr will not attempt + to indent any text that is OCR'ed. If -i is specified with the + 'tab' option, vocr will indent using tabs instead of spaces (by + default vocr indents using spaces). + + If -p is specified, when OCR'ing a PDF, a page break (^L) will + be inserted at the end of each page. + + If -q is specified, vocr runs in [q]uiet mode and only outputs + text found in the input files (all errors and informational + message are silenced). + +Build: + + $ ./configure + $ make + +Install: + + $ ./configure + $ make + $ make install + + By default, vocr is installed in /usr/local/bin. To install + it in a different location, the alternate installation PREFIX + can be supplied to make as follows: + + $ make install PREFIX="" + + For example, the following will install vocr in /opt/local: + + $ make PREFIX=/opt/local install + + A DESTDIR can also be specified for staging purposes (with or + without an alternate prefix): + + $ make DESTDIR="" [PREFIX=""] install + +Dependencies: + + vocr relies on Apple's Vision framework, introduced in MacOSX + 10.13 (High Sierra): + + https://developer.apple.com/documentation/vision?language=objc + +History: + + v0.1.0 - initial release + +Platforms: + + vocr has been tested on MacOSX 11 (BigSur) on M1. + +License: + + See LICENSE.txt + diff --git a/configure b/configure new file mode 100755 index 0000000..4e7b681 --- /dev/null +++ b/configure @@ -0,0 +1,6953 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.71 for vocr 0.1.0. +# +# Report bugs to . +# +# +# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation, +# Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +as_nop=: +if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else $as_nop + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + + +# Reset variables that may have inherited troublesome values from +# the environment. + +# IFS needs to be set, to space, tab, and newline, in precisely that order. +# (If _AS_PATH_WALK were called with IFS unset, it would have the +# side effect of setting IFS to empty, thus disabling word splitting.) +# Quoting is to prevent editors from complaining about space-tab. +as_nl=' +' +export as_nl +IFS=" "" $as_nl" + +PS1='$ ' +PS2='> ' +PS4='+ ' + +# Ensure predictable behavior from utilities with locale-dependent output. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# We cannot yet rely on "unset" to work, but we need these variables +# to be unset--not just set to an empty or harmless value--now, to +# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh). This construct +# also avoids known problems related to "unset" and subshell syntax +# in other old shells (e.g. bash 2.01 and pdksh 5.2.14). +for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH +do eval test \${$as_var+y} \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done + +# Ensure that fds 0, 1, and 2 are open. +if (exec 3>&0) 2>/dev/null; then :; else exec 0&1) 2>/dev/null; then :; else exec 1>/dev/null; fi +if (exec 3>&2) ; then :; else exec 2>/dev/null; fi + +# The user is always right. +if ${PATH_SEPARATOR+false} :; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + test -r "$as_dir$0" && as_myself=$as_dir$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="as_nop=: +if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else \$as_nop + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ) +then : + +else \$as_nop + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +blah=\$(echo \$(echo blah)) +test x\"\$blah\" = xblah || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1" + if (eval "$as_required") 2>/dev/null +then : + as_have_required=yes +else $as_nop + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null +then : + +else $as_nop + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null +then : + CONFIG_SHELL=$as_shell as_have_required=yes + if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null +then : + break 2 +fi +fi + done;; + esac + as_found=false +done +IFS=$as_save_IFS +if $as_found +then : + +else $as_nop + if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null +then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi +fi + + + if test "x$CONFIG_SHELL" != x +then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno +then : + printf "%s\n" "$0: This script requires a shell more modern than all" + printf "%s\n" "$0: the shells that I found on your system." + if test ${ZSH_VERSION+y} ; then + printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should" + printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later." + else + printf "%s\n" "$0: Please tell bug-autoconf@gnu.org and ranga@calalum.org +$0: about your system, including any error possibly output +$0: before this message. Then install a modern shell, or +$0: manually run the script under such a shell if you do +$0: have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit +# as_fn_nop +# --------- +# Do nothing but, unlike ":", preserve the value of $?. +as_fn_nop () +{ + return $? +} +as_nop=as_fn_nop + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null +then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else $as_nop + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. 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Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + printf "%s\n" "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. 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See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +Configuration: + -h, --help display this help and exit + --help=short display options specific to this package + --help=recursive display the short help of all the included packages + -V, --version display version information and exit + -q, --quiet, --silent do not print \`checking ...' messages + --cache-file=FILE cache test results in FILE [disabled] + -C, --config-cache alias for \`--cache-file=config.cache' + -n, --no-create do not create output files + --srcdir=DIR find the sources in DIR [configure dir or \`..'] + +Installation directories: + --prefix=PREFIX install architecture-independent files in PREFIX + [$ac_default_prefix] + --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX + [PREFIX] + +By default, \`make install' will install all the files in +\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify +an installation prefix other than \`$ac_default_prefix' using \`--prefix', +for instance \`--prefix=\$HOME'. + +For better control, use the options below. + +Fine tuning of the installation directories: + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR system admin executables [EPREFIX/sbin] + --libexecdir=DIR program executables [EPREFIX/libexec] + --sysconfdir=DIR read-only single-machine data [PREFIX/etc] + --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] + --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run] + --libdir=DIR object code libraries [EPREFIX/lib] + --includedir=DIR C header files [PREFIX/include] + --oldincludedir=DIR C header files for non-gcc [/usr/include] + --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] + --datadir=DIR read-only architecture-independent data [DATAROOTDIR] + --infodir=DIR info documentation [DATAROOTDIR/info] + --localedir=DIR locale-dependent data [DATAROOTDIR/locale] + --mandir=DIR man documentation [DATAROOTDIR/man] + --docdir=DIR documentation root [DATAROOTDIR/doc/vocr] + --htmldir=DIR html documentation [DOCDIR] + --dvidir=DIR dvi documentation [DOCDIR] + --pdfdir=DIR pdf documentation [DOCDIR] + --psdir=DIR ps documentation [DOCDIR] +_ACEOF + + cat <<\_ACEOF +_ACEOF +fi + +if test -n "$ac_init_help"; then + case $ac_init_help in + short | recursive ) echo "Configuration of vocr 0.1.0:";; + esac + cat <<\_ACEOF + +Some influential environment variables: + OBJC Objective C compiler command + OBJCFLAGS Objective C compiler flags + LDFLAGS linker flags, e.g. -L if you have libraries in a + nonstandard directory + LIBS libraries to pass to the linker, e.g. -l + CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I if + you have headers in a nonstandard directory + +Use these variables to override the choices made by `configure' or to help +it to find libraries and programs with nonstandard names/locations. + +Report bugs to . +_ACEOF +ac_status=$? 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We remove comments because anyway the quotes in there +# would cause problems or look ugly. +# WARNING: Use '\'' to represent an apostrophe within the trap. +# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. +trap 'exit_status=$? + # Sanitize IFS. + IFS=" "" $as_nl" + # Save into config.log some information that might help in debugging. + { + echo + + printf "%s\n" "## ---------------- ## +## Cache variables. ## +## ---------------- ##" + echo + # The following way of writing the cache mishandles newlines in values, +( + for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + (set) 2>&1 | + case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + sed -n \ + "s/'\''/'\''\\\\'\'''\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" + ;; #( + *) + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) + echo + + printf "%s\n" "## ----------------- ## +## Output variables. ## +## ----------------- ##" + echo + for ac_var in $ac_subst_vars + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + printf "%s\n" "$ac_var='\''$ac_val'\''" + done | sort + echo + + if test -n "$ac_subst_files"; then + printf "%s\n" "## ------------------- ## +## File substitutions. ## +## ------------------- ##" + echo + for ac_var in $ac_subst_files + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + printf "%s\n" "$ac_var='\''$ac_val'\''" + done | sort + echo + fi + + if test -s confdefs.h; then + printf "%s\n" "## ----------- ## +## confdefs.h. ## +## ----------- ##" + echo + cat confdefs.h + echo + fi + test "$ac_signal" != 0 && + printf "%s\n" "$as_me: caught signal $ac_signal" + printf "%s\n" "$as_me: exit $exit_status" + } >&5 + rm -f core *.core core.conftest.* && + rm -f -r conftest* confdefs* conf$$* $ac_clean_files && + exit $exit_status +' 0 +for ac_signal in 1 2 13 15; do + trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal +done +ac_signal=0 + +# confdefs.h avoids OS command line length limits that DEFS can exceed. +rm -f -r conftest* confdefs.h + +printf "%s\n" "/* confdefs.h */" > confdefs.h + +# Predefined preprocessor variables. + +printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h + + +# Let the site file select an alternate cache file if it wants to. +# Prefer an explicitly selected file to automatically selected ones. +if test -n "$CONFIG_SITE"; then + ac_site_files="$CONFIG_SITE" +elif test "x$prefix" != xNONE; then + ac_site_files="$prefix/share/config.site $prefix/etc/config.site" +else + ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site" +fi + +for ac_site_file in $ac_site_files +do + case $ac_site_file in #( + */*) : + ;; #( + *) : + ac_site_file=./$ac_site_file ;; +esac + if test -f "$ac_site_file" && test -r "$ac_site_file"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5 +printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;} + sed 's/^/| /' "$ac_site_file" >&5 + . "$ac_site_file" \ + || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "failed to load site script $ac_site_file +See \`config.log' for more details" "$LINENO" 5; } + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special files + # actually), so we avoid doing that. DJGPP emulates it as a regular file. + if test /dev/null != "$cache_file" && test -f "$cache_file"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 +printf "%s\n" "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 +printf "%s\n" "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + + +# Auxiliary files required by this configure script. +ac_aux_files="install-sh" + +# Locations in which to look for auxiliary files. +ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.." + +# Search for a directory containing all of the required auxiliary files, +# $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates. +# If we don't find one directory that contains all the files we need, +# we report the set of missing files from the *first* directory in +# $ac_aux_dir_candidates and give up. +ac_missing_aux_files="" +ac_first_candidate=: +printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5 +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in $ac_aux_dir_candidates +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + as_found=: + + printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying $as_dir" >&5 + ac_aux_dir_found=yes + ac_install_sh= + for ac_aux in $ac_aux_files + do + # As a special case, if "install-sh" is required, that requirement + # can be satisfied by any of "install-sh", "install.sh", or "shtool", + # and $ac_install_sh is set appropriately for whichever one is found. + if test x"$ac_aux" = x"install-sh" + then + if test -f "${as_dir}install-sh"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install-sh found" >&5 + ac_install_sh="${as_dir}install-sh -c" + elif test -f "${as_dir}install.sh"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install.sh found" >&5 + ac_install_sh="${as_dir}install.sh -c" + elif test -f "${as_dir}shtool"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}shtool found" >&5 + ac_install_sh="${as_dir}shtool install -c" + else + ac_aux_dir_found=no + if $ac_first_candidate; then + ac_missing_aux_files="${ac_missing_aux_files} install-sh" + else + break + fi + fi + else + if test -f "${as_dir}${ac_aux}"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}${ac_aux} found" >&5 + else + ac_aux_dir_found=no + if $ac_first_candidate; then + ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}" + else + break + fi + fi + fi + done + if test "$ac_aux_dir_found" = yes; then + ac_aux_dir="$as_dir" + break + fi + ac_first_candidate=false + + as_found=false +done +IFS=$as_save_IFS +if $as_found +then : + +else $as_nop + as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 +fi + + +# These three variables are undocumented and unsupported, +# and are intended to be withdrawn in a future Autoconf release. +# They can cause serious problems if a builder's source tree is in a directory +# whose full name contains unusual characters. +if test -f "${ac_aux_dir}config.guess"; then + ac_config_guess="$SHELL ${ac_aux_dir}config.guess" +fi +if test -f "${ac_aux_dir}config.sub"; then + ac_config_sub="$SHELL ${ac_aux_dir}config.sub" +fi +if test -f "$ac_aux_dir/configure"; then + ac_configure="$SHELL ${ac_aux_dir}configure" +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in $ac_precious_vars; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val=\$ac_cv_env_${ac_var}_value + eval ac_new_val=\$ac_env_${ac_var}_value + case $ac_old_set,$ac_new_set in + set,) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + # differences in whitespace do not lead to failure. + ac_old_val_w=`echo x $ac_old_val` + ac_new_val_w=`echo x $ac_new_val` + if test "$ac_old_val_w" != "$ac_new_val_w"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + ac_cache_corrupted=: + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 +printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} + eval $ac_var=\$ac_old_val + fi + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 +printf "%s\n" "$as_me: former value: \`$ac_old_val'" >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 +printf "%s\n" "$as_me: current value: \`$ac_new_val'" >&2;} + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) as_fn_append ac_configure_args " '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 +printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;} + as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file' + and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + +# We want to turn on warnings if we are using gcc and the user did +# not specify CFLAGS. The autoconf check for the C compiler sets the +# CFLAGS if gcc is used, so we will save it before we run that check. +# +# TODO: Enable caching of some results: +# https://www.gnu.org/software/autoconf/manual/autoconf-2.67/html_node/Caching-Results.html +# + +save_CFLAGS="$CFLAGS $OBJCFLAGS" + +# use objective-c + +ac_ext=m +ac_cpp='$OBJCPP $CPPFLAGS' +ac_compile='$OBJC -c $OBJCFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$OBJC -o conftest$ac_exeext $OBJCFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_objc_compiler_gnu + + +# check for install + + + + # Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +printf %s "checking for a BSD-compatible install... " >&6; } +if test -z "$INSTALL"; then +if test ${ac_cv_path_install+y} +then : + printf %s "(cached) " >&6 +else $as_nop + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + # Account for fact that we put trailing slashes in our PATH walk. +case $as_dir in #(( + ./ | /[cC]/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir/" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test ${ac_cv_path_install+y}; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +printf "%s\n" "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + + +CFLAGS="$save_CFLAGS $CFLAGS" + +# check for source files + + + +# Check basic types. + +ac_ext=m +ac_cpp='$OBJCPP $CPPFLAGS' +ac_compile='$OBJC -c $OBJCFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$OBJC -o conftest$ac_exeext $OBJCFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_objc_compiler_gnu +if test -n "$ac_tool_prefix"; then + for ac_prog in gcc objcc objc cc CC clang + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_OBJC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$OBJC"; then + ac_cv_prog_OBJC="$OBJC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_OBJC="$ac_tool_prefix$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OBJC=$ac_cv_prog_OBJC +if test -n "$OBJC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OBJC" >&5 +printf "%s\n" "$OBJC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$OBJC" && break + done +fi +if test -z "$OBJC"; then + ac_ct_OBJC=$OBJC + for ac_prog in gcc objcc objc cc CC clang +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_OBJC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_OBJC"; then + ac_cv_prog_ac_ct_OBJC="$ac_ct_OBJC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OBJC="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OBJC=$ac_cv_prog_ac_ct_OBJC +if test -n "$ac_ct_OBJC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJC" >&5 +printf "%s\n" "$ac_ct_OBJC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$ac_ct_OBJC" && break +done + + if test "x$ac_ct_OBJC" = x; then + OBJC="gcc" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OBJC=$ac_ct_OBJC + fi +fi + +# Provide some information about the compiler. +printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Objective C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the Objective C compiler works" >&5 +printf %s "checking whether the Objective C compiler works... " >&6; } +ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { { ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +then : + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else $as_nop + ac_file='' +fi +if test -z "$ac_file" +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "Objective C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Objective C compiler default output file name" >&5 +printf %s "checking for Objective C compiler default output file name... " >&6; } +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5 +printf "%s\n" "$ac_file" >&6; } +ac_exeext=$ac_cv_exeext + +rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5 +printf %s "checking for suffix of executables... " >&6; } +if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +then : + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else $as_nop + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +printf "%s\n" "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main (void) +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +printf %s "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot run Objective C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +printf "%s\n" "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +printf %s "checking for suffix of object files... " >&6; } +if test ${ac_cv_objext+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else $as_nop + printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of object files: cannot compile +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +printf "%s\n" "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU Objective C" >&5 +printf %s "checking whether the compiler supports GNU Objective C... " >&6; } +if test ${ac_cv_objc_compiler_gnu+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + ac_compiler_gnu=yes +else $as_nop + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +ac_cv_objc_compiler_gnu=$ac_compiler_gnu + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objc_compiler_gnu" >&5 +printf "%s\n" "$ac_cv_objc_compiler_gnu" >&6; } +ac_compiler_gnu=$ac_cv_objc_compiler_gnu + +if test $ac_compiler_gnu = yes; then + GOBJC=yes +else + GOBJC= +fi +ac_test_OBJCFLAGS=${OBJCFLAGS+y} +ac_save_OBJCFLAGS=$OBJCFLAGS +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $OBJC accepts -g" >&5 +printf %s "checking whether $OBJC accepts -g... " >&6; } +if test ${ac_cv_prog_objc_g+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_save_objc_werror_flag=$ac_objc_werror_flag + ac_objc_werror_flag=yes + ac_cv_prog_objc_g=no + OBJCFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + ac_cv_prog_objc_g=yes +else $as_nop + OBJCFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + +else $as_nop + ac_objc_werror_flag=$ac_save_objc_werror_flag + OBJCFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + ac_cv_prog_objc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_objc_werror_flag=$ac_save_objc_werror_flag +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_objc_g" >&5 +printf "%s\n" "$ac_cv_prog_objc_g" >&6; } +if test $ac_test_OBJCFLAGS; then + OBJCFLAGS=$ac_save_OBJCFLAGS +elif test $ac_cv_prog_objc_g = yes; then + if test "$GOBJC" = yes; then + OBJCFLAGS="-g -O2" + else + OBJCFLAGS="-g" + fi +else + if test "$GOBJC" = yes; then + OBJCFLAGS="-O2" + else + OBJCFLAGS= + fi +fi +ac_ext=m +ac_cpp='$OBJCPP $CPPFLAGS' +ac_compile='$OBJC -c $OBJCFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$OBJC -o conftest$ac_exeext $OBJCFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_objc_compiler_gnu + + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5 +printf %s "checking for an ANSI C-conforming const... " >&6; } +if test ${ac_cv_c_const+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + +#ifndef __cplusplus + /* Ultrix mips cc rejects this sort of thing. */ + typedef int charset[2]; + const charset cs = { 0, 0 }; + /* SunOS 4.1.1 cc rejects this. */ + char const *const *pcpcc; + char **ppc; + /* NEC SVR4.0.2 mips cc rejects this. */ + struct point {int x, y;}; + static struct point const zero = {0,0}; + /* IBM XL C 1.02.0.0 rejects this. + It does not let you subtract one const X* pointer from another in + an arm of an if-expression whose if-part is not a constant + expression */ + const char *g = "string"; + pcpcc = &g + (g ? g-g : 0); + /* HPUX 7.0 cc rejects these. */ + ++pcpcc; + ppc = (char**) pcpcc; + pcpcc = (char const *const *) ppc; + { /* SCO 3.2v4 cc rejects this sort of thing. */ + char tx; + char *t = &tx; + char const *s = 0 ? (char *) 0 : (char const *) 0; + + *t++ = 0; + if (s) return 0; + } + { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ + int x[] = {25, 17}; + const int *foo = &x[0]; + ++foo; + } + { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ + typedef const int *iptr; + iptr p = 0; + ++p; + } + { /* IBM XL C 1.02.0.0 rejects this sort of thing, saying + "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ + struct s { int j; const int *ap[3]; } bx; + struct s *b = &bx; b->j = 5; + } + { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ + const int foo = 10; + if (!foo) return 0; + } + return !cs[0] && !zero.x; +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + ac_cv_c_const=yes +else $as_nop + ac_cv_c_const=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5 +printf "%s\n" "$ac_cv_c_const" >&6; } +if test $ac_cv_c_const = no; then + +printf "%s\n" "#define const /**/" >>confdefs.h + +fi + + +# check for frameworks + +LIBS="$LIBS -F /System/Library/PrivateFrameworks" + +# check for AppKit + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for AppKit" >&5 +printf %s "checking for AppKit... " >&6; } +LIBS="$LIBS -framework AppKit" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#import +int +main (void) +{ + + [NSFileManager defaultManager]; + ; + return 0; +} + +_ACEOF +if ac_fn_objc_try_link "$LINENO" +then : + has_framework=1 +else $as_nop + has_framework=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +if test $has_framework = 0; then + as_fn_error $? "AppKit is required" "$LINENO" 5 +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +fi + +# check for Vision + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Vison" >&5 +printf %s "checking for Vison... " >&6; } +LIBS="$LIBS -framework Vision" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#import +int +main (void) +{ + + VNRecognizeTextRequest *request = nil; + ; + return 0; +} + +_ACEOF +if ac_fn_objc_try_link "$LINENO" +then : + has_framework=1 +else $as_nop + has_framework=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +if test $has_framework = 0; then + as_fn_error $? "Vision is required" "$LINENO" 5 +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +fi + + + + +# test and set compiler flags + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -W works" >&5 +printf %s "checking if compiler flag -W works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -W" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wall works" >&5 +printf %s "checking if compiler flag -Wall works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wall" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wextra works" >&5 +printf %s "checking if compiler flag -Wextra works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wextra" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wpedantic works" >&5 +printf %s "checking if compiler flag -Wpedantic works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wpedantic" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Werror works" >&5 +printf %s "checking if compiler flag -Werror works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Werror" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + +#TEST_AND_SET_CFLAG(-Wformat=2) +#TEST_AND_SET_CFLAG(-Wformat-nonliteral) + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wformat-overflow=2 works" >&5 +printf %s "checking if compiler flag -Wformat-overflow=2 works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wformat-overflow=2" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wformat-truncation=2 works" >&5 +printf %s "checking if compiler flag -Wformat-truncation=2 works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wformat-truncation=2" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wformat-security works" >&5 +printf %s "checking if compiler flag -Wformat-security works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wformat-security" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wformat-y2k works" >&5 +printf %s "checking if compiler flag -Wformat-y2k works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wformat-y2k" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wformat-signedness works" >&5 +printf %s "checking if compiler flag -Wformat-signedness works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wformat-signedness" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wtrampolines works" >&5 +printf %s "checking if compiler flag -Wtrampolines works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wtrampolines" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Walloca works" >&5 +printf %s "checking if compiler flag -Walloca works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Walloca" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wcast-qual works" >&5 +printf %s "checking if compiler flag -Wcast-qual works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wcast-qual" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wconversion works" >&5 +printf %s "checking if compiler flag -Wconversion works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wconversion" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wtraditional-conversion works" >&5 +printf %s "checking if compiler flag -Wtraditional-conversion works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wtraditional-conversion" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Warith-conversion works" >&5 +printf %s "checking if compiler flag -Warith-conversion works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Warith-conversion" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wstack-protector works" >&5 +printf %s "checking if compiler flag -Wstack-protector works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wstack-protector" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wnull-dereference works" >&5 +printf %s "checking if compiler flag -Wnull-dereference works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wnull-dereference" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wvla works" >&5 +printf %s "checking if compiler flag -Wvla works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wvla" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Warray-bounds-pointer-arithmetic works" >&5 +printf %s "checking if compiler flag -Warray-bounds-pointer-arithmetic works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Warray-bounds-pointer-arithmetic" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Warray-bounds=2 works" >&5 +printf %s "checking if compiler flag -Warray-bounds=2 works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Warray-bounds=2" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wimplicit-fallthrough works" >&5 +printf %s "checking if compiler flag -Wimplicit-fallthrough works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wimplicit-fallthrough" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wconditional-uninitialized works" >&5 +printf %s "checking if compiler flag -Wconditional-uninitialized works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wconditional-uninitialized" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wloop-analysis works" >&5 +printf %s "checking if compiler flag -Wloop-analysis works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wloop-analysis" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wshift-sign-overflow works" >&5 +printf %s "checking if compiler flag -Wshift-sign-overflow works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wshift-sign-overflow" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wshift-overflow=2 works" >&5 +printf %s "checking if compiler flag -Wshift-overflow=2 works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wshift-overflow=2" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wstringop-overflow=4 works" >&5 +printf %s "checking if compiler flag -Wstringop-overflow=4 works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wstringop-overflow=4" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wswitch-default works" >&5 +printf %s "checking if compiler flag -Wswitch-default works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wswitch-default" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wswitch-enum works" >&5 +printf %s "checking if compiler flag -Wswitch-enum works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wswitch-enum" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wtautological-constant-in-range-compare works" >&5 +printf %s "checking if compiler flag -Wtautological-constant-in-range-compare works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wtautological-constant-in-range-compare" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wcomma works" >&5 +printf %s "checking if compiler flag -Wcomma works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wcomma" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wassign-enum works" >&5 +printf %s "checking if compiler flag -Wassign-enum works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wassign-enum" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wbad-function-cast works" >&5 +printf %s "checking if compiler flag -Wbad-function-cast works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wbad-function-cast" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wfloat-equal works" >&5 +printf %s "checking if compiler flag -Wfloat-equal works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wfloat-equal" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wformat-type-confusion works" >&5 +printf %s "checking if compiler flag -Wformat-type-confusion works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wformat-type-confusion" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wpointer-arith works" >&5 +printf %s "checking if compiler flag -Wpointer-arith works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wpointer-arith" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Widiomatic-parentheses works" >&5 +printf %s "checking if compiler flag -Widiomatic-parentheses works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Widiomatic-parentheses" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wunreachable-code-aggressive works" >&5 +printf %s "checking if compiler flag -Wunreachable-code-aggressive works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wunreachable-code-aggressive" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wthread-safety works" >&5 +printf %s "checking if compiler flag -Wthread-safety works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wthread-safety" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wstrict-overflow=5 works" >&5 +printf %s "checking if compiler flag -Wstrict-overflow=5 works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wstrict-overflow=5" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wstrict-prototypes works" >&5 +printf %s "checking if compiler flag -Wstrict-prototypes works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wstrict-prototypes" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wmissing-declarations works" >&5 +printf %s "checking if compiler flag -Wmissing-declarations works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wmissing-declarations" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wmissing-prototypes works" >&5 +printf %s "checking if compiler flag -Wmissing-prototypes works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wmissing-prototypes" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wshadow works" >&5 +printf %s "checking if compiler flag -Wshadow works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wshadow" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wcast-align works" >&5 +printf %s "checking if compiler flag -Wcast-align works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wcast-align" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wjump-misses-init works" >&5 +printf %s "checking if compiler flag -Wjump-misses-init works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wjump-misses-init" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wunused works" >&5 +printf %s "checking if compiler flag -Wunused works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wunused" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wno-missing-braces works" >&5 +printf %s "checking if compiler flag -Wno-missing-braces works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wno-missing-braces" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Werror=implicit-function-declaration works" >&5 +printf %s "checking if compiler flag -Werror=implicit-function-declaration works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Werror=implicit-function-declaration" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wold-style-cast works" >&5 +printf %s "checking if compiler flag -Wold-style-cast works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wold-style-cast" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wlogical-op works" >&5 +printf %s "checking if compiler flag -Wlogical-op works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wlogical-op" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wduplicated-cond works" >&5 +printf %s "checking if compiler flag -Wduplicated-cond works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wduplicated-cond" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wduplicated-branches works" >&5 +printf %s "checking if compiler flag -Wduplicated-branches works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wduplicated-branches" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -Wundef works" >&5 +printf %s "checking if compiler flag -Wundef works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -Wundef" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fstack-protector-all works" >&5 +printf %s "checking if compiler flag -fstack-protector-all works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fstack-protector-all" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fstack-protector-strong works" >&5 +printf %s "checking if compiler flag -fstack-protector-strong works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fstack-protector-strong" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fsanitize=safe-stack works" >&5 +printf %s "checking if compiler flag -fsanitize=safe-stack works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fsanitize=safe-stack" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + +#TEST_AND_SET_CFLAG(-fsanitize=shadow-call-stack) + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fsanitize=cfi works" >&5 +printf %s "checking if compiler flag -fsanitize=cfi works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fsanitize=cfi" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fsanitize=memory works" >&5 +printf %s "checking if compiler flag -fsanitize=memory works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fsanitize=memory" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fsanitize=integer works" >&5 +printf %s "checking if compiler flag -fsanitize=integer works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fsanitize=integer" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fsanitize=address works" >&5 +printf %s "checking if compiler flag -fsanitize=address works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fsanitize=address" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fsanitize=thread works" >&5 +printf %s "checking if compiler flag -fsanitize=thread works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fsanitize=thread" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fsanitize=leak works" >&5 +printf %s "checking if compiler flag -fsanitize=leak works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fsanitize=leak" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fsanitize=undefined works" >&5 +printf %s "checking if compiler flag -fsanitize=undefined works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fsanitize=undefined" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fno-sanitize-recover=all works" >&5 +printf %s "checking if compiler flag -fno-sanitize-recover=all works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fno-sanitize-recover=all" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fcf-protection=full works" >&5 +printf %s "checking if compiler flag -fcf-protection=full works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fcf-protection=full" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fpic works" >&5 +printf %s "checking if compiler flag -fpic works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fpic" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fPIE works" >&5 +printf %s "checking if compiler flag -fPIE works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fPIE" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fstack-clash-protection works" >&5 +printf %s "checking if compiler flag -fstack-clash-protection works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fstack-clash-protection" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -pedantic works" >&5 +printf %s "checking if compiler flag -pedantic works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -pedantic" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -pedantic-errors works" >&5 +printf %s "checking if compiler flag -pedantic-errors works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -pedantic-errors" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -D_FORTIFY_SOURCE=2 works" >&5 +printf %s "checking if compiler flag -D_FORTIFY_SOURCE=2 works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -D_FORTIFY_SOURCE=2" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -D_GLIBCXX_ASSERTIONS works" >&5 +printf %s "checking if compiler flag -D_GLIBCXX_ASSERTIONS works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -D_GLIBCXX_ASSERTIONS" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fasynchronous-unwind-tables works" >&5 +printf %s "checking if compiler flag -fasynchronous-unwind-tables works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fasynchronous-unwind-tables" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -fwrapv works" >&5 +printf %s "checking if compiler flag -fwrapv works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -fwrapv" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler flag -flto works" >&5 +printf %s "checking if compiler flag -flto works... " >&6; } + + save_CFLAGS="$OBJCFLAGS" + + + OBJCFLAGS="$OBJCFLAGS -flto" + + + + + flag_test=0 + + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(){} +_ACEOF +if ac_fn_objc_try_compile "$LINENO" +then : + flag_test=1 +else $as_nop + flag_test=0 +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + + + if test $flag_test = 1 + then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + OBJCFLAGS="$save_CFLAGS" + fi + + +OBJCFLAGS="$OBJCFLAGS $CFLAGS" + +ac_config_files="$ac_config_files Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +printf "%s\n" "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +# Transform confdefs.h into DEFS. +# Protect against shell expansion while executing Makefile rules. +# Protect against Makefile macro expansion. +# +# If the first sed substitution is executed (which looks for macros that +# take arguments), then branch to the quote section. Otherwise, +# look for a macro that doesn't take arguments. +ac_script=' +:mline +/\\$/{ + N + s,\\\n,, + b mline +} +t clear +:clear +s/^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\)/-D\1=\2/g +t quote +s/^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)/-D\1=\2/g +t quote +b any +:quote +s/[ `~#$^&*(){}\\|;'\''"<>?]/\\&/g +s/\[/\\&/g +s/\]/\\&/g +s/\$/$$/g +H +:any +${ + g + s/^\n// + s/\n/ /g + p +} +' +DEFS=`sed -n "$ac_script" confdefs.h` + + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +as_nop=: +if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else $as_nop + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + + +# Reset variables that may have inherited troublesome values from +# the environment. + +# IFS needs to be set, to space, tab, and newline, in precisely that order. +# (If _AS_PATH_WALK were called with IFS unset, it would have the +# side effect of setting IFS to empty, thus disabling word splitting.) +# Quoting is to prevent editors from complaining about space-tab. +as_nl=' +' +export as_nl +IFS=" "" $as_nl" + +PS1='$ ' +PS2='> ' +PS4='+ ' + +# Ensure predictable behavior from utilities with locale-dependent output. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# We cannot yet rely on "unset" to work, but we need these variables +# to be unset--not just set to an empty or harmless value--now, to +# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh). This construct +# also avoids known problems related to "unset" and subshell syntax +# in other old shells (e.g. bash 2.01 and pdksh 5.2.14). +for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH +do eval test \${$as_var+y} \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done + +# Ensure that fds 0, 1, and 2 are open. +if (exec 3>&0) 2>/dev/null; then :; else exec 0&1) 2>/dev/null; then :; else exec 1>/dev/null; fi +if (exec 3>&2) ; then :; else exec 2>/dev/null; fi + +# The user is always right. +if ${PATH_SEPARATOR+false} :; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + test -r "$as_dir$0" && as_myself=$as_dir$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + printf "%s\n" "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null +then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else $as_nop + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. 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"cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by vocr $as_me 0.1.0, which was +generated by GNU Autoconf 2.71. 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Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." 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Generated by config.status. */ + configure_input='Generated from '` + printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g' + `' by configure.' + if test x"$ac_file" != x-; then + configure_input="$ac_file. $configure_input" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5 +printf "%s\n" "$as_me: creating $ac_file" >&6;} + fi + # Neutralize special characters interpreted by sed in replacement strings. + case $configure_input in #( + *\&* | *\|* | *\\* ) + ac_sed_conf_input=`printf "%s\n" "$configure_input" | + sed 's/[\\\\&|]/\\\\&/g'`;; #( + *) ac_sed_conf_input=$configure_input;; + esac + + case $ac_tag in + *:-:* | *:-) cat >"$ac_tmp/stdin" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;; + esac + ;; + esac + + ac_dir=`$as_dirname -- "$ac_file" || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir="$ac_dir"; as_fn_mkdir_p + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + + case $ac_mode in + :F) + # + # CONFIG_FILE + # + + case $INSTALL in + [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;; + *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;; + esac +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# If the template does not know about datarootdir, expand it. +# FIXME: This hack should be removed a few years after 2.60. +ac_datarootdir_hack=; ac_datarootdir_seen= +ac_sed_dataroot=' +/datarootdir/ { + p + q +} +/@datadir@/p +/@docdir@/p +/@infodir@/p +/@localedir@/p +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in +*datarootdir*) ac_datarootdir_seen=yes;; +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + ac_datarootdir_hack=' + s&@datadir@&$datadir&g + s&@docdir@&$docdir&g + s&@infodir@&$infodir&g + s&@localedir@&$localedir&g + s&@mandir@&$mandir&g + s&\\\${datarootdir}&$datarootdir&g' ;; +esac +_ACEOF + +# Neutralize VPATH when `$srcdir' = `.'. +# Shell code in configure.ac might set extrasub. +# FIXME: do we really want to maintain this feature? +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_sed_extra="$ac_vpsub +$extrasub +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s|@configure_input@|$ac_sed_conf_input|;t t +s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t +s&@srcdir@&$ac_srcdir&;t t +s&@abs_srcdir@&$ac_abs_srcdir&;t t +s&@top_srcdir@&$ac_top_srcdir&;t t +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t +s&@builddir@&$ac_builddir&;t t +s&@abs_builddir@&$ac_abs_builddir&;t t +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t +s&@INSTALL@&$ac_INSTALL&;t t +$ac_datarootdir_hack +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \ + >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + +test -z "$ac_datarootdir_hack$ac_datarootdir_seen" && + { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } && + { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' \ + "$ac_tmp/out"`; test -z "$ac_out"; } && + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&5 +printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&2;} + + rm -f "$ac_tmp/stdin" + case $ac_file in + -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";; + *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";; + esac \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + ;; + + + + esac + +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + + + diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..2619b50 --- /dev/null +++ b/configure.ac @@ -0,0 +1,197 @@ +dnl -*- Autoconf -*- +dnl Process this file with autoconf to produce a configure script. + +AC_INIT([vocr],[0.1.0],[ranga@calalum.org]) + +# We want to turn on warnings if we are using gcc and the user did +# not specify CFLAGS. The autoconf check for the C compiler sets the +# CFLAGS if gcc is used, so we will save it before we run that check. +# +# TODO: Enable caching of some results: +# https://www.gnu.org/software/autoconf/manual/autoconf-2.67/html_node/Caching-Results.html +# + +save_CFLAGS="$CFLAGS $OBJCFLAGS" + +# use objective-c + +AC_LANG_PUSH([Objective C]) + +# check for install + +AC_PROG_INSTALL + +CFLAGS="$save_CFLAGS $CFLAGS" + +# check for source files + +AC_CONFIG_SRCDIR([vocr.m]) + +# Check basic types. + +AC_C_CONST + +# check for frameworks + +LIBS="$LIBS -F /System/Library/PrivateFrameworks" + +# check for AppKit + +AC_MSG_CHECKING([for AppKit]) +LIBS="$LIBS -framework AppKit" +AC_LINK_IFELSE([AC_LANG_PROGRAM([#import ], [ + [[NSFileManager defaultManager];]]) + ],[has_framework=1],[has_framework=0]) +if test $has_framework = 0; then + AC_MSG_ERROR([AppKit is required]) +else + AC_MSG_RESULT([yes]) +fi + +# check for Vision + +AC_MSG_CHECKING([for Vison]) +LIBS="$LIBS -framework Vision" +AC_LINK_IFELSE([AC_LANG_PROGRAM([#import ], [ + [VNRecognizeTextRequest *request = nil;]]) + ],[has_framework=1],[has_framework=0]) +if test $has_framework = 0; then + AC_MSG_ERROR([Vision is required]) +else + AC_MSG_RESULT([yes]) +fi + +dnl TEST_AND_SET_CFLAG(flag, [program]) +dnl +dnl This attempts to compile a program with a certain compiler flag. +dnl If no program is given, then the minimal program is compiled, and +dnl this tests just the validity of the compiler flag. +dnl +dnl based on: https://github.com/edrosten/autoconf_tutorial + +define([TEST_AND_SET_CFLAG],[ + AC_MSG_CHECKING([if compiler flag $1 works]) + + dnl Store the current CXXFLAGS + save_CFLAGS="$OBJCFLAGS" + + dnl Append the flag of interest + + OBJCFLAGS="$OBJCFLAGS $1" + + dnl Create an M4 macro, "prog", which expands to a C program. + dnl This should either be a default one or the one specified. + dnl Note that macros are not local, but there is a stack so push + dnl the definition on to the stack to prevent clobbering a definition + dnl that might already exist. + + m4_if([$2],[],[pushdef(prog, [int main(){}])], [pushdef(prog, [$2])]) + + flag_test=0 + + dnl See if the compiler runs + + AC_COMPILE_IFELSE([AC_LANG_SOURCE([prog])], [flag_test=1],[flag_test=0]) + + dnl De-clobber the "prog" macro + + popdef([prog]) + + if test $flag_test = 1 + then + AC_MSG_RESULT(yes) + else + AC_MSG_RESULT(no) + dnl The flag doesn't work, so restore the old OBJCFLAGS + OBJCFLAGS="$save_CFLAGS" + fi +]) + +# test and set compiler flags + +TEST_AND_SET_CFLAG(-W) +TEST_AND_SET_CFLAG(-Wall) +TEST_AND_SET_CFLAG(-Wextra) +TEST_AND_SET_CFLAG(-Wpedantic) +TEST_AND_SET_CFLAG(-Werror) +#TEST_AND_SET_CFLAG(-Wformat=2) +#TEST_AND_SET_CFLAG(-Wformat-nonliteral) +TEST_AND_SET_CFLAG(-Wformat-overflow=2) +TEST_AND_SET_CFLAG(-Wformat-truncation=2) +TEST_AND_SET_CFLAG(-Wformat-security) +TEST_AND_SET_CFLAG(-Wformat-y2k) +TEST_AND_SET_CFLAG(-Wformat-signedness) +TEST_AND_SET_CFLAG(-Wtrampolines) +TEST_AND_SET_CFLAG(-Walloca) +TEST_AND_SET_CFLAG(-Wcast-qual) +TEST_AND_SET_CFLAG(-Wconversion) +TEST_AND_SET_CFLAG(-Wtraditional-conversion) +TEST_AND_SET_CFLAG(-Warith-conversion) +TEST_AND_SET_CFLAG(-Wstack-protector) +TEST_AND_SET_CFLAG(-Wnull-dereference) +TEST_AND_SET_CFLAG(-Wvla) +TEST_AND_SET_CFLAG(-Warray-bounds-pointer-arithmetic) +TEST_AND_SET_CFLAG(-Warray-bounds=2) +TEST_AND_SET_CFLAG(-Wimplicit-fallthrough) +TEST_AND_SET_CFLAG(-Wconditional-uninitialized) +TEST_AND_SET_CFLAG(-Wloop-analysis) +TEST_AND_SET_CFLAG(-Wshift-sign-overflow) +TEST_AND_SET_CFLAG(-Wshift-overflow=2) +TEST_AND_SET_CFLAG(-Wstringop-overflow=4) +TEST_AND_SET_CFLAG(-Wswitch-default) +TEST_AND_SET_CFLAG(-Wswitch-enum) +TEST_AND_SET_CFLAG(-Wtautological-constant-in-range-compare) +TEST_AND_SET_CFLAG(-Wcomma) +TEST_AND_SET_CFLAG(-Wassign-enum) +TEST_AND_SET_CFLAG(-Wbad-function-cast) +TEST_AND_SET_CFLAG(-Wfloat-equal) +TEST_AND_SET_CFLAG(-Wformat-type-confusion) +TEST_AND_SET_CFLAG(-Wpointer-arith) +TEST_AND_SET_CFLAG(-Widiomatic-parentheses) +TEST_AND_SET_CFLAG(-Wunreachable-code-aggressive) +TEST_AND_SET_CFLAG(-Wthread-safety) +TEST_AND_SET_CFLAG(-Wstrict-overflow=5) +TEST_AND_SET_CFLAG(-Wstrict-prototypes) +TEST_AND_SET_CFLAG(-Wmissing-declarations) +TEST_AND_SET_CFLAG(-Wmissing-prototypes) +TEST_AND_SET_CFLAG(-Wshadow) +TEST_AND_SET_CFLAG(-Wcast-align) +TEST_AND_SET_CFLAG(-Wjump-misses-init) +TEST_AND_SET_CFLAG(-Wunused) +TEST_AND_SET_CFLAG(-Wno-missing-braces) +TEST_AND_SET_CFLAG(-Werror=implicit-function-declaration) +TEST_AND_SET_CFLAG(-Wold-style-cast) +TEST_AND_SET_CFLAG(-Wlogical-op) +TEST_AND_SET_CFLAG(-Wduplicated-cond) +TEST_AND_SET_CFLAG(-Wduplicated-branches) +TEST_AND_SET_CFLAG(-Wundef) +TEST_AND_SET_CFLAG(-fstack-protector-all) +TEST_AND_SET_CFLAG(-fstack-protector-strong) +TEST_AND_SET_CFLAG(-fsanitize=safe-stack) +#TEST_AND_SET_CFLAG(-fsanitize=shadow-call-stack) +TEST_AND_SET_CFLAG(-fsanitize=cfi) +TEST_AND_SET_CFLAG(-fsanitize=memory) +TEST_AND_SET_CFLAG(-fsanitize=integer) +TEST_AND_SET_CFLAG(-fsanitize=address) +TEST_AND_SET_CFLAG(-fsanitize=thread) +TEST_AND_SET_CFLAG(-fsanitize=leak) +TEST_AND_SET_CFLAG(-fsanitize=undefined) +TEST_AND_SET_CFLAG(-fno-sanitize-recover=all) +TEST_AND_SET_CFLAG(-fcf-protection=full) +TEST_AND_SET_CFLAG(-fpic) +TEST_AND_SET_CFLAG(-fPIE) +TEST_AND_SET_CFLAG(-fstack-clash-protection) +TEST_AND_SET_CFLAG(-pedantic) +TEST_AND_SET_CFLAG(-pedantic-errors) +TEST_AND_SET_CFLAG(-D_FORTIFY_SOURCE=2) +TEST_AND_SET_CFLAG(-D_GLIBCXX_ASSERTIONS) +TEST_AND_SET_CFLAG(-fasynchronous-unwind-tables) +TEST_AND_SET_CFLAG(-fwrapv) +TEST_AND_SET_CFLAG(-flto) + +OBJCFLAGS="$OBJCFLAGS $CFLAGS" + +dnl Process Makefile.in to create Makefile +AC_CONFIG_FILES([Makefile]) +AC_OUTPUT + diff --git a/install-sh b/install-sh new file mode 100755 index 0000000..ec298b5 --- /dev/null +++ b/install-sh @@ -0,0 +1,541 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2020-11-14.01; # UTC + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# 'make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +tab=' ' +nl=' +' +IFS=" $tab$nl" + +# Set DOITPROG to "echo" to test this script. + +doit=${DOITPROG-} +doit_exec=${doit:-exec} + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +# Create dirs (including intermediate dirs) using mode 755. +# This is like GNU 'install' as of coreutils 8.32 (2020). +mkdir_umask=22 + +backupsuffix= +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +is_target_a_directory=possibly + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -p pass -p to $cpprog. + -s $stripprog installed files. + -S SUFFIX attempt to back up existing files, with suffix SUFFIX. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG + +By default, rm is invoked with -f; when overridden with RMPROG, +it's up to you to specify -f if you want it. + +If -S is not specified, no backups are attempted. + +Email bug reports to bug-automake@gnu.org. +Automake home page: https://www.gnu.org/software/automake/ +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -p) cpprog="$cpprog -p";; + + -s) stripcmd=$stripprog;; + + -S) backupsuffix="$2" + shift;; + + -t) + is_target_a_directory=always + dst_arg=$2 + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + shift;; + + -T) is_target_a_directory=never;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +# We allow the use of options -d and -T together, by making -d +# take the precedence; this is for compatibility with GNU install. + +if test -n "$dir_arg"; then + if test -n "$dst_arg"; then + echo "$0: target directory not allowed when installing a directory." >&2 + exit 1 + fi +fi + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call 'install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + if test $# -gt 1 || test "$is_target_a_directory" = always; then + if test ! -d "$dst_arg"; then + echo "$0: $dst_arg: Is not a directory." >&2 + exit 1 + fi + fi +fi + +if test -z "$dir_arg"; then + do_exit='(exit $ret); exit $ret' + trap "ret=129; $do_exit" 1 + trap "ret=130; $do_exit" 2 + trap "ret=141; $do_exit" 13 + trap "ret=143; $do_exit" 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names problematic for 'test' and other utilities. + case $src in + -* | [=\(\)!]) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + # Don't chown directories that already exist. + if test $dstdir_status = 0; then + chowncmd="" + fi + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + dst=$dst_arg + + # If destination is a directory, append the input filename. + if test -d "$dst"; then + if test "$is_target_a_directory" = never; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dstbase=`basename "$src"` + case $dst in + */) dst=$dst$dstbase;; + *) dst=$dst/$dstbase;; + esac + dstdir_status=0 + else + dstdir=`dirname "$dst"` + test -d "$dstdir" + dstdir_status=$? + fi + fi + + case $dstdir in + */) dstdirslash=$dstdir;; + *) dstdirslash=$dstdir/;; + esac + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + # The $RANDOM variable is not portable (e.g., dash). Use it + # here however when possible just to lower collision chance. + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + + trap ' + ret=$? + rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null + exit $ret + ' 0 + + # Because "mkdir -p" follows existing symlinks and we likely work + # directly in world-writeable /tmp, make sure that the '$tmpdir' + # directory is successfully created first before we actually test + # 'mkdir -p'. + if (umask $mkdir_umask && + $mkdirprog $mkdir_mode "$tmpdir" && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + test_tmpdir="$tmpdir/a" + ls_ld_tmpdir=`ls -ld "$test_tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$test_tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null + fi + trap '' 0;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + [-=\(\)!]*) prefix='./';; + *) prefix='';; + esac + + oIFS=$IFS + IFS=/ + set -f + set fnord $dstdir + shift + set +f + IFS=$oIFS + + prefixes= + + for d + do + test X"$d" = X && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=${dstdirslash}_inst.$$_ + rmtmp=${dstdirslash}_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && + { test -z "$stripcmd" || { + # Create $dsttmp read-write so that cp doesn't create it read-only, + # which would cause strip to fail. + if test -z "$doit"; then + : >"$dsttmp" # No need to fork-exec 'touch'. + else + $doit touch "$dsttmp" + fi + } + } && + $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + set +f && + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # If $backupsuffix is set, and the file being installed + # already exists, attempt a backup. Don't worry if it fails, + # e.g., if mv doesn't support -f. + if test -n "$backupsuffix" && test -f "$dst"; then + $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null + fi + + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC0" +# time-stamp-end: "; # UTC" +# End: diff --git a/vocr.1 b/vocr.1 new file mode 100644 index 0000000..de47db5 --- /dev/null +++ b/vocr.1 @@ -0,0 +1,31 @@ +.TH vocr 1 +.SH NAME +vocr - a simple utility for performing optical character recognition +on images and PDFs +.SH SYNOPSIS +vocr [-i [no|tab]] [-p] [-q] [files] +.SH DESCRIPTION +vocr is a simple utility for performing optical character recognition +(OCR) on images and PDFs. It prints any text found in the specified +files to stdout. vocr relies on, and derives its names from, the Vision +framework, introduced in MacOSX 10.13 (High Sierra) - v - as in [V]ision + - and ocr, as in [o]ptical [c]haracter [r]ecognition. +.SH OPTIONS +.TP +.B \-i [no|tab] +If -i is specified with the 'no' option, vocr will not attempt to indent +any text that is OCR'ed. If -i is specified with the 'tab' option, vocr +will indent using tabs instead of spaces (by default vocr indents using +spaces). +.TP +.B \-p +When OCR'ing a PDF, vocr inserts a page break (^L) at the end of each page. +.TP +.B \-q +Enables quiet mode - vocr will not print out any informational or error +messages. +.SH PLATFORMS +vorc has been tested on MacOSX 11.x (BigSur) on M1. +.SH HISTORY +vocr was written by Sriranga Veeraraghavan . + diff --git a/vocr.m b/vocr.m new file mode 100644 index 0000000..c44e1c9 --- /dev/null +++ b/vocr.m @@ -0,0 +1,722 @@ +/* + vocr.m - perform optical character recognition on an image or a PDF + using Apple's Vision framework + + Inspired by: https://turbozen.com/sourceCode/ocrImage/ + https://nemecek.be/blog/38/how-to-implement-ocr-with-vision-framework-in-ios-13 + + History: + + v. 0.1.0 (04/19/2022) - Initial version + + Copyright (c) 2022 Sriranga R. Veeraraghavan + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#import +#import +#import +#import +#import +#import +#import + +/* globals */ + +static NSString *gUTIPDF = @"com.adobe.pdf"; +static NSString *gUTIIMG = @"public.image"; +static NSString *gIndentStr = @" "; +static const char *gPgmName = "vocr"; +static const NSUInteger + gBufSize = 1024; + +/* + command line options: + -h - print usage / [h]elp + -i [mode] - set the [i]ndent mode: + 'no' disables indenting + 'tab' indents with tabs (default is to use 4 spaces) + -l - specify the [l]anguage that the input is in (TODO) + -p - add a page break / [l]ine feed between pages + -q - be [q]uiet, don't print any errors or warnings + -v - be [v]erbose +*/ + +enum +{ + gPgmOptHelp = 'h', + gPgmOptIndent = 'i', + gPgmOptLang = 'l', + gPgmOptPageBreak = 'p', + gPgmOptQuiet = 'q', +}; + +static const char *gPgmOpts = "hpqi:l:"; +static const char *gPgmIndentNo = "no"; +static const char *gPgmIndentTab = "tab"; +static BOOL gQuiet = NO; + +/* ocr options */ + +typedef struct +{ + BOOL addPageBreak; + BOOL indent; + BOOL indentWithTabs; +} ocrOpts_t; + +/* prototypes */ + +static void printUsage(void); +static void printError(const char *format, ...); +static void printInfo(const char *format, ...); +static BOOL ocrFile(const char *file, + NSMutableString *text, + ocrOpts_t *opts); +static BOOL ocrImage(CGImageRef cgImage, + NSMutableString *text, + ocrOpts_t *opts); + +/* private functions */ + +/* printUsage - print the usage message */ + +static void printUsage(void) +{ + fprintf(stderr, + "Usage: %s [-%c] | [-%c] [-%c] [-%c [%s|%s]] [files]\n", + gPgmName, + gPgmOptHelp, + gPgmOptQuiet, + gPgmOptPageBreak, + gPgmOptIndent, + gPgmIndentNo, + gPgmIndentTab); +} + +/* printError - print an error message */ + +static void printError(const char *format, ...) +{ + va_list args; + + if (gQuiet == YES) + { + return; + } + + va_start(args, format); + fprintf(stderr,"ERROR: "); + vfprintf(stderr, format, args); + va_end(args); +} + +/* printInfo - print an informational message */ + +static void printInfo(const char *format, ...) +{ + va_list args; + + if (gQuiet == YES) + { + return; + } + + va_start(args, format); + fprintf(stderr,"INFO: "); + vfprintf(stderr, format, args); + va_end(args); +} + +/* ocrImage - try to ocr the specified image */ + +static BOOL ocrImage(CGImageRef cgImage, + NSMutableString *text, + ocrOpts_t *opts) +{ + NSArray *results; + NSUInteger numResults = 0, j = 0; + VNImageRequestHandler *requestHandler = nil; + VNRecognizeTextRequest *request = nil; + VNRecognizedTextObservation *rawText = nil; + NSArray *recognizedText; + NSString *tmp1 = nil, *tmp2 = nil; + NSMutableString *ocrText = nil; + NSMutableArray *textPieces; + unsigned int indentLevel = 0, k = 0; + double prevStart = 0.0, prevEnd = 0.0; + double curStart = 0.0, curEnd = 0.0; + BOOL indent = YES; + NSString *indentStr = gIndentStr; + + if (text == nil) + { + printError("Text buffer is NULL!\n"); + return NO; + } + + if (opts != NULL) + { + indent = opts->indent; + if (opts->indentWithTabs) + { + indentStr = @"\t"; + } + } + + + ocrText = [[NSMutableString alloc] initWithCapacity: gBufSize]; + if (ocrText == nil) + { + printError("Cannot allocate mutable string.\n"); + return NO; + } + + textPieces = [NSMutableArray array]; + if (textPieces == nil) + { + printError("Cannot allocate mutable array.\n"); + return NO; + } + + /* + create a OCR request, based on: + + https://developer.apple.com/documentation/vision/recognizing_text_in_images?language=objc#overview + https://developer.apple.com/documentation/vision/vnimagerequesthandler?language=objc + https://developer.apple.com/documentation/vision/vnrecognizetextrequest?language=objc + https://bendodson.com/weblog/2019/06/11/detecting-text-with-vnrecognizetextrequest-in-ios-13/ + https://chris-mash.medium.com/ios-13-optical-character-recognition-d1bb8b710db1 + */ + + requestHandler = + [[VNImageRequestHandler alloc] initWithCGImage: cgImage + options: @{}]; + if (requestHandler == nil) + { + printError("Could not create OCR request handler.\n"); + return NO; + } + + request = [[VNRecognizeTextRequest alloc] init]; + if (request == nil) + { + printError("Could not create OCR request for.\n"); + return NO; + } + + /* + make sure that we are using accurate recognition, + language correction, and the version 2 algorithm, + which supports multiple languages: + + https://developer.apple.com/documentation/vision/vnrequesttextrecognitionlevel?language=objc + https://developer.apple.com/documentation/vision/vnrecognizetextrequest/3166773-useslanguagecorrection?language=objc + https://stackoverflow.com/questions/63813709 + */ + + [request setRecognitionLevel: + VNRequestTextRecognitionLevelAccurate]; + [request setUsesLanguageCorrection: YES]; + [request setRevision: VNRecognizeTextRequestRevision2]; + + if ([requestHandler performRequests: @[request] + error: NULL] == NO) + { + printError("OCR failed.\n"); + return NO; + } + + results = [request results]; + if (results == nil) + { + printInfo("No text found.\n"); + return NO; + } + + numResults = [results count]; + if (numResults == 0) + { + printInfo("No text found.\n"); + return NO; + } + + /* possibly found some text */ + + for (j = 0; j < numResults; j++) + { + + /* skip any result that isn't a VNRecognizedTextObservation */ + + if (results[j] == nil || + ![results[j] isKindOfClass: + [VNRecognizedTextObservation class]]) + { + continue; + } + + rawText = (VNRecognizedTextObservation *)results[j]; + recognizedText = [rawText topCandidates:1]; + if (recognizedText == nil) + { + continue; + } + + /* get the top recognition candidate */ + + tmp1 = [[recognizedText firstObject] string]; + if (tmp1 == nil) + { + continue; + } + + /* + eliminate any leading or trailing whitespace: + https://stackoverflow.com/questions/5689288/ + */ + + tmp2 = [tmp1 stringByTrimmingCharactersInSet: + [NSCharacterSet whitespaceAndNewlineCharacterSet]]; + if (tmp2 == nil) + { + continue; + } + + /* + use the botton X position as a proxy for the starting + and ending position of the current line + */ + + curStart = round(10.0 * rawText.bottomLeft.x); + curEnd = round(10.0 * rawText.bottomRight.x); + + /* first line */ + + if (j == 0) + { + prevStart = curStart; + prevEnd = curEnd; + [ocrText appendString: tmp2]; + continue; + } + + /* + if the starting position of the current line is greater + than that of the previous line and this line ends before + the prior line, this line is probably not part of the + same paragraph as the prior line, so add a new line + */ + + if (curStart > prevStart && curEnd < prevEnd) + { + [ocrText appendString: @"\n"]; + } + + /* + if the starting position of the current line is greater than + that of the previous line, add a newline and increase the + the indent level + + if the starting position of the current line is less than of + the previous line, add a new line and reduce the indent level + */ + + if (curStart > prevStart) + { + indentLevel++; + [ocrText appendString: @"\n"]; + } + else if (curStart < prevStart) + { + if (indentLevel > 1) + { + indentLevel--; + [ocrText appendString: @"\n"]; + } + } + + if (curStart >= prevStart) + { + if (indent && indentLevel > 0) + { + for (k = 0; k < indentLevel; k++) + { + [ocrText appendString: indentStr]; + } + } + prevStart = curStart; + } + + /* add the current line to the OCR'ed text */ + + [ocrText appendFormat: @"%@ ", tmp2]; + + /* + if this line ends before the end of the prior line, + add a new line + */ + + if (curEnd < prevEnd) + { + [ocrText appendString: @"\n"]; + } + + prevEnd = curEnd; + } + + [text setString: ocrText]; + return YES; +} + +/* ocrFile - try to ocr the specified file */ + +static BOOL ocrFile(const char *file, + NSMutableString *text, + ocrOpts_t *opts) +{ + NSFileManager *fm = nil; + NSWorkspace *workspace = nil; + NSString *path = nil; + NSURL *fURL = nil; + NSString *type = nil; + NSError *error = nil; + NSImage *image = nil; + NSRect imageRect; + CGImageRef cgImage; + NSData *pdfData = nil; + NSPDFImageRep *pdfImageRep = nil; + NSInteger pdfPages = 0, i = 0; + NSMutableString *pdfText = nil; + + if (file == NULL || file[0] == '\0') + { + printError("Filename is NULL!\n"); + return NO; + } + + fm = [NSFileManager defaultManager]; + if (fm == nil) + { + printError("Cannot get NSFileManager!\n"); + return NO; + } + + workspace = [NSWorkspace sharedWorkspace]; + if (workspace == nil) + { + printError("Cannot get NSWorkspace!\n"); + return NO; + } + + path = [fm stringWithFileSystemRepresentation: file + length: strlen(file)]; + if (path == nil) + { + printError("Cannot get full path for '%s'.\n", file); + return NO; + } + + fURL = [NSURL fileURLWithPath: path]; + if (fURL == nil) + { + printError("Cannot get create URL for '%s'.\n", file); + return NO; + } + + /* + determine if the file is of a type we support, based on: + + https://stackoverflow.com/questions/12503376 + */ + + if (![fURL getResourceValue: &type + forKey: NSURLTypeIdentifierKey + error: &error]) + { + printError("Cannot determine file type for '%s'.\n", file); + return NO; + } + + /* ocr a PDF */ + + if ([workspace type: type conformsToType: gUTIPDF]) + { + + pdfText = [[NSMutableString alloc] initWithCapacity: gBufSize]; + if (pdfText == nil) + { + printError("Cannot allocate buffer for PDF text.\n"); + return NO; + } + + /* + convert each page of a PDF to an image and then OCR it, + based on: + https://stackoverflow.com/questions/23643961 + */ + + /* get the PDF data for the file */ + + pdfData = [NSData dataWithContentsOfURL: fURL]; + if (pdfData == nil) + { + printError("Not a valid PDF: '%s'.\n", file); + return NO; + } + + /* get an image representation of the PDF data */ + + pdfImageRep = [NSPDFImageRep imageRepWithData: pdfData]; + if (pdfData == nil) + { + printError("Cannot convert PDF to image: '%s'.\n", + file); + return NO; + } + + /* get the page count and make sure we have at least 1 page */ + + pdfPages = [pdfImageRep pageCount]; + if (pdfPages < 1) + { + printError("PDF has no pages: '%s'.\n", file); + return NO; + } + + /* ocr each page */ + + for(i = 0 ; i < pdfPages ; i++) { + + [pdfImageRep setCurrentPage: i]; + + /* create an image for the current page */ + + /* + TODO, get the orientation: + https://stackoverflow.com/questions/6321772 + + TODO: create a stacked, searchable PDF: + https://teabyte.dev/blog/2021-03-29-from-uiimage-to-searchable-pdf-part-3 + */ + + image = + [NSImage imageWithSize: pdfImageRep.size + flipped: NO + drawingHandler: ^BOOL(NSRect dstRect) + { + [pdfImageRep drawInRect: dstRect]; + return YES; + }]; + if (image == nil) + { + printError("Could not make an image for p.%ld of '%s'.\n", + i, file); + continue; + } + + /* + convert the NSImage we have to a CGImage for + VisionRequestHandler: + + https://stackoverflow.com/questions/2548059/ + */ + + imageRect = + NSMakeRect(0, 0, image.size.width, image.size.height); + cgImage = [image CGImageForProposedRect: &imageRect + context: NULL + hints: nil]; + + if (ocrImage(cgImage, pdfText, opts) != YES) + { + continue; + } + + printInfo("OCR'ed p. %ld of '%s'.\n", i+1, file); + + [text appendFormat: @"%@\n", pdfText]; + + if (opts != NULL && opts->addPageBreak) + { + [text appendFormat: @"\f"]; + } + } + + return YES; + } + + /* ocr an image */ + + if ([workspace type: type conformsToType: gUTIIMG]) + { + image = [[NSImage alloc] initWithContentsOfURL: fURL]; + if (image == nil) + { + printError("Not an valid image: '%s'.\n", file); + return NO; + } + + /* + convert the NSImage we have to a CGImage for + VisionRequestHandler: + + https://stackoverflow.com/questions/2548059/ + */ + + imageRect = + NSMakeRect(0, 0, image.size.width, image.size.height); + cgImage = [image CGImageForProposedRect: &imageRect + context: NULL + hints: nil]; + + return ocrImage(cgImage, text, opts); + } + + /* unsupported file type */ + + printError("'%s' not a supported image or a PDF.\n", file); + + return NO; +} + +/* main */ + +int main (int argc, char * const argv[]) +{ + int i = 0, err = 0, ch = 0; + BOOL optHelp = NO; + NSMutableString *text = nil; + ocrOpts_t options; + + /* + create an autorelease pool: + https://developer.apple.com/documentation/foundation/nsautoreleasepool + */ + +@autoreleasepool + { + + if (argc <= 1) + { + printUsage(); + return 1; + } + + options.addPageBreak = NO; + options.indent = YES; + options.indentWithTabs = NO; + + while ((ch = getopt(argc, argv, gPgmOpts)) != -1) + { + switch(ch) + { + case gPgmOptHelp: + optHelp = YES; + break; + case gPgmOptPageBreak: + options.addPageBreak = YES; + break; + case gPgmOptIndent: + if (strcmp(optarg, gPgmIndentNo) == 0) + { + options.indent = NO; + options.indentWithTabs = NO; + } + else if (strcmp(optarg, gPgmIndentTab) == 0) + { + options.indent = YES; + options.indentWithTabs = YES; + } + else + { + printError("Unknown indent option: %s\n", optarg); + err++; + } + break; + case gPgmOptQuiet: + gQuiet = YES; + break; + default: + printError("Unknown option: '%c'\n", ch); + err++; + break; + } + + if (optHelp || err > 0) + { + printUsage(); + break; + } + } + + if (err > 0) + { + return err; + } + + if (optHelp) + { + return 0; + } + + argc -= optind; + argv += optind; + + if (argc <= 0) + { + printError("No files specified.\n"); + printUsage(); + return 1; + } + + text = [[NSMutableString alloc] initWithCapacity: gBufSize]; + if (text == nil) + { + printError("Cannot allocate buffer for text.\n"); + return 1; + } + + for (i = 0; i < argc; i++) + { + if (argv[i] == NULL) + { + err++; + printError("Filename is NULL!\n"); + continue; + } + + if (ocrFile(argv[i], text, &options) != YES) + { + err++; + printError("Could not OCR '%s'.\n", argv[i]); + continue; + } + + fprintf(stdout, + "%s\n", + [text cStringUsingEncoding: NSUTF8StringEncoding]); + } + + return err; + + } /* @autoreleasepool */ +} +