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configure.in
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configure.in
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dnl // Process this file with autoconf to produce a configure script.
AC_PREREQ(2.50)
AC_INIT(bochs.h)
AC_REVISION([[$Id: configure.in 14064 2021-01-02 20:49:39Z vruppert $]])
AC_CONFIG_HEADER(config.h)
AC_CONFIG_HEADER(ltdlconf.h)
dnl // Put Bochs version information right here so that it gets substituted
dnl // into all the right places.
VERSION="2.6.11.svn"
VER_MAJOR=2
VER_MINOR=6
dnl // this should be > 90 for pre-release of next version otherwise revision level
VER_REVISION=11
dnl // this should be 0 for release and 1 for svn version
VER_SVN=1
REL_STRING="Built from SVN snapshot after release 2.6.11"
REL_TIMESTAMP=`grep "Updated:" $srcdir/README | sed 's/Updated: //'`
changequote(<<, >>)
changequote([, ])
dnl Detect host and target
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
AC_MSG_CHECKING(if you are configuring for another platform)
if test "$cross_compiling" = yes -o "$target_os" = "windows"; then
AC_MSG_RESULT(yes)
cross_configure=1
else
AC_MSG_RESULT(no)
cross_configure=0
fi
# this case statement defines the compile flags which are needed to
# compile bochs on a platform. Don't put things like optimization settings
# into the configure.in file, since people will want to be able to change
# those settings by defining CFLAGS and CXXFLAGS before running configure.
NO_LT=0
MSVC_TARGET=0
need_dlcompat_for_plugins=0
case "$target" in
*-pc-windows* | *-pc-winnt*)
DEFAULT_GUI=win32 # default to win32 gui
NO_LT=1 # do not use libtool at all
case "$target" in
x86_64*)
MSVC_TARGET=64
;;
*)
MSVC_TARGET=32
;;
esac
;;
*-cygwin* | *-mingw32* | *-msys)
NO_LT=1 # do not use libtool at all
if test "$with_term" = yes; then
# ncurses won't compile with -DWIN32
# also, I can't get it to link without this -DBROKEN_LINKER=1 hack.
# see /usr/include/curses.h for details.
ADD_FLAGS="-DBROKEN_LINKER=1"
else
# default case
ADD_FLAGS="-DWIN32" # required for cygwin/mingw/msys compile+win32 gui
DEFAULT_GUI=win32 # default to win32 gui
fi
;;
*-macosx* | *-darwin*)
ADD_FLAGS="-fpascal-strings -fno-common -Wno-four-char-constants -Wno-unknown-pragmas -Dmacintosh" # required for macosx compile
DEFAULT_GUI=carbon # default to carbon
need_dlcompat_for_plugins=1
;;
*-macos*)
DEFAULT_GUI=macos # macos defaults to macos
;;
*-amigaos* | *-morphos*)
DEFAULT_GUI=amigaos # amigaos or morphos defaults to amigaos gui
;;
*-solaris*)
ADD_FLAGS="-D_XOPEN_SOURCE_EXTENDED=1 -D__EXTENSIONS__" # required for correct function prototypes
LIBS="$LIBS -lsocket -lnsl"
DEFAULT_GUI=x11
;;
*)
DEFAULT_GUI=x11
;;
esac
if test "${ADD_FLAGS:+set}" = set; then
CFLAGS="$CFLAGS $ADD_FLAGS"
CXXFLAGS="$CXXFLAGS $ADD_FLAGS"
CPPFLAGS="$CPPFLAGS $ADD_FLAGS"
fi
BOCHS_BITS=$MSVC_TARGET
AC_MSG_CHECKING(for standard CFLAGS on this platform)
AC_MSG_RESULT($ADD_FLAGS)
dnl // make sure the default gui is enabled if no other chosen
if (test "$with_sdl" != yes) && \
(test "$with_sdl2" != yes) && \
(test "$with_x11" != yes) && \
(test "$with_win32" != yes) && \
(test "$with_nogui" != yes) && \
(test "$with_term" != yes) && \
(test "$with_rfb" != yes) && \
(test "$with_vncsrv" != yes) && \
(test "$with_amigaos" != yes) && \
(test "$with_carbon" != yes) && \
(test "$with_wx" != yes) && \
(test "$with_macos" != yes); then
# use DEFAULT_GUI. Set the appropriate variable.
# DEFAULT_GUI must be set to one of the names above. Otherwise, no
# valid $with_* variable will be set and who knows what will happen?
eval "with_${DEFAULT_GUI}=yes"
fi
AC_PROG_CC
AC_PROG_CXX
AC_PROG_MAKE_SET
if test "$NO_LT" != 1; then
dnl------------ libtool configuration
dnl Configure libtool, and default to shared libraries. Libtool will only be
dnl used for compiling and linking plugins.
AC_DISABLE_STATIC
dnl Check for dlopen support
AC_LIBTOOL_DLOPEN
dnl Configure libtool
AC_PROG_LIBTOOL
dnl Configure the ltdl library. This must go after AC_PROG_LIBTOOL or
dnl else it disables shared libraries somehow.
AC_LIB_LTDL
else
RANLIB="echo"
fi
AC_PATH_PROG(PKGCONFIG, pkg-config, not_found)
if test "$PKGCONFIG" = not_found; then
AC_PATH_XTRA
fi
AC_C_BIGENDIAN
AC_CHECK_SIZEOF(unsigned char)
AC_CHECK_SIZEOF(unsigned short)
AC_CHECK_SIZEOF(unsigned int)
AC_CHECK_SIZEOF(unsigned long)
AC_CHECK_SIZEOF(unsigned long long)
if test "$MSVC_TARGET" = 0; then
AC_CHECK_SIZEOF(int *)
fi
AC_CHECK_FUNCS(getenv, AC_DEFINE(BX_HAVE_GETENV))
AC_CHECK_FUNCS(setenv, AC_DEFINE(BX_HAVE_SETENV))
AC_CHECK_FUNCS(snprintf, AC_DEFINE(BX_HAVE_SNPRINTF))
AC_CHECK_FUNCS(vsnprintf, AC_DEFINE(BX_HAVE_VSNPRINTF))
if test "$MSVC_TARGET" = 0; then
AC_CHECK_FUNCS(select, AC_DEFINE(BX_HAVE_SELECT))
AC_CHECK_TYPE(socklen_t, AC_DEFINE(BX_HAVE_SOCKLEN_T), , [#include <sys/types.h>
#include <sys/socket.h>])
AC_CHECK_FUNCS(strtoull, AC_DEFINE(BX_HAVE_STRTOULL))
AC_CHECK_FUNCS(strtouq, AC_DEFINE(BX_HAVE_STRTOUQ))
AC_CHECK_FUNCS(strdup, AC_DEFINE(BX_HAVE_STRDUP))
AC_CHECK_FUNCS(strrev, AC_DEFINE(BX_HAVE_STRREV))
AC_CHECK_FUNCS(stricmp, AC_DEFINE(BX_HAVE_STRICMP))
AC_CHECK_FUNCS(strcasecmp, AC_DEFINE(BX_HAVE_STRCASECMP))
AC_CHECK_FUNCS(mkstemp, AC_DEFINE(BX_HAVE_MKSTEMP))
AC_CHECK_HEADER(sys/mman.h, AC_DEFINE(BX_HAVE_SYS_MMAN_H))
AC_CHECK_FUNCS(gettimeofday, AC_DEFINE(BX_HAVE_GETTIMEOFDAY))
AC_CHECK_FUNCS(usleep, AC_DEFINE(BX_HAVE_USLEEP))
AC_MSG_CHECKING(for __builtin_bswap32)
AC_TRY_LINK([],[
__builtin_bswap32(0x12345678);
],[
AC_DEFINE(BX_HAVE___BUILTIN_BSWAP32, 1, [Define to 1 if you have the '__builtin_bswap32' function.])
AC_MSG_RESULT(yes)
],[
AC_MSG_RESULT(no)
])
AC_MSG_CHECKING(for __builtin_bswap64)
AC_TRY_LINK([],[
__builtin_bswap64(0x12345678);
],[
AC_DEFINE(BX_HAVE___BUILTIN_BSWAP64, 1, [Define to 1 if you have the '__builtin_bswap64' function.])
AC_MSG_RESULT(yes)
],[
AC_MSG_RESULT(no)
])
AC_CHECK_FUNCS(tmpfile64, AC_DEFINE(BX_HAVE_TMPFILE64))
AC_CHECK_FUNCS(fseek64, AC_DEFINE(BX_HAVE_FSEEK64))
AC_CHECK_FUNCS(fseeko64, AC_DEFINE(BX_HAVE_FSEEKO64))
AC_CHECK_TYPE(ssize_t, AC_DEFINE(BX_HAVE_SSIZE_T), , [#include <sys/types.h>])
else
AC_DEFINE(BX_HAVE_SELECT, 1)
AC_DEFINE(BX_HAVE_SOCKLEN_T, 0)
AC_DEFINE(BX_HAVE_STRTOULL, 1)
AC_DEFINE(BX_HAVE_STRTOUQ, 0)
AC_DEFINE(BX_HAVE_STRDUP, 1)
AC_DEFINE(BX_HAVE_STRREV, 1)
AC_DEFINE(BX_HAVE_STRICMP, 1)
AC_DEFINE(BX_HAVE_STRCASECMP, 0)
AC_DEFINE(BX_HAVE_MKSTEMP, 0)
AC_DEFINE(BX_HAVE_SYS_MMAN_H, 0)
AC_DEFINE(BX_HAVE_GETTIMEOFDAY, 0)
AC_DEFINE(BX_HAVE_USLEEP, 0)
AC_DEFINE(BX_HAVE___BUILTIN_BSWAP32, 0)
AC_DEFINE(BX_HAVE___BUILTIN_BSWAP64, 0)
AC_DEFINE(BX_HAVE_TMPFILE64, 0)
AC_DEFINE(BX_HAVE_FSEEK64, 0)
AC_DEFINE(BX_HAVE_FSEEKO64, 0)
AC_DEFINE(BX_HAVE_SSIZE_T, 0)
AC_DEFINE(BX_HAVE_SETENV, 0)
if test "$MSVC_TARGET" = 64; then
AC_DEFINE(SIZEOF_INT_P, 8)
else
AC_DEFINE(SIZEOF_INT_P, 4)
fi
fi
AC_CHECK_FUNCS(sleep, AC_DEFINE(BX_HAVE_SLEEP))
AC_CHECK_FUNCS(nanosleep, AC_DEFINE(BX_HAVE_NANOSLEEP))
AC_CHECK_FUNCS(abort, AC_DEFINE(BX_HAVE_ABORT))
AC_CHECK_MEMBER(struct sockaddr_in.sin_len, AC_DEFINE(BX_HAVE_SOCKADDR_IN_SIN_LEN), , [#include <sys/socket.h>
#include <netinet/in.h> ])
AC_CHECK_FUNCS(timelocal, AC_DEFINE(BX_HAVE_TIMELOCAL))
AC_CHECK_FUNCS(gmtime, AC_DEFINE(BX_HAVE_GMTIME))
AC_CHECK_FUNCS(mktime, AC_DEFINE(BX_HAVE_MKTIME))
dnl As of autoconf 2.53, the standard largefile test fails for Linux/gcc.
dnl It does not put the largefiles arguments into CFLAGS, even though Linux/gcc
dnl does need them. So we do it ourselves.
AC_SYS_LARGEFILE
dnl we need to define _FILE_OFFSET_BITS or _LARGE_FILES on the compiler command
dnl line because otherwise the system headers risk being included before
dnl config.h which defines these constants leading to inconsistent
dnl sizeof(off_t) in different source files of the same program and linking
dnl problems
case "x$ac_cv_sys_file_offset_bits" in #(
xno | xunknown) ;;
*)
if test "x$ac_cv_sys_file_offset_bits" = "x64"; then
BX_LARGEFILE_FLAGS="-D_FILE_OFFSET_BITS=64 -D_LARGE_FILES"
else
BX_LARGEFILE_FLAGS="-D_LARGE_FILES"
fi
CPPFLAGS="$CPPFLAGS $BX_LARGEFILE_FLAGS"
CFLAGS="$CFLAGS $BX_LARGEFILE_FLAGS"
CXXFLAGS="$CXXFLAGS $BX_LARGEFILE_FLAGS"
;;
esac
dnl ---end of largefile tests
AC_MSG_CHECKING(if compiler allows __attribute__)
AC_TRY_COMPILE([], [typedef struct { } __attribute__ ((packed)) junk;],
AC_MSG_RESULT(yes),
[
AC_MSG_RESULT(no)
AC_DEFINE(BX_NO_ATTRIBUTES)
])
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_MSG_CHECKING(for set)
AC_TRY_COMPILE([#include <set>], [],
[
AC_MSG_RESULT(yes)
AC_DEFINE(BX_HAVE_SET)
], AC_MSG_RESULT(no))
AC_MSG_CHECKING(for set.h)
AC_TRY_COMPILE([#include <set.h>], [],
[
AC_MSG_RESULT(yes)
AC_DEFINE(BX_HAVE_SET_H)
], AC_MSG_RESULT(no))
AC_MSG_CHECKING(for map)
AC_TRY_COMPILE([#include <map>], [],
[
AC_MSG_RESULT(yes)
AC_DEFINE(BX_HAVE_MAP)
], AC_MSG_RESULT(no))
AC_MSG_CHECKING(for map.h)
AC_TRY_COMPILE([#include <map.h>], [],
[
AC_MSG_RESULT(yes)
AC_DEFINE(BX_HAVE_MAP_H)
], AC_MSG_RESULT(no))
AC_LANG_RESTORE
dnl Implement a check for each gui library to see if has a chance of compiling.
if test "$with_all_libs" = yes; then
if test "$cross_configure" = 1; then
AC_MSG_WARN([[Using --with-all-libs while cross configuring is very unlikely to be what you want. You should specify the --with-* args yourself.]])
fi
if test "$with_amigaos" != yes; then
can_compile_amigaos=1
AC_CHECK_HEADER([proto/intuition.h], [], [ can_compile_amigaos=0 ])
AC_CHECK_HEADER([intuition/intuitionbase.h], [], [ can_compile_amigaos=0 ])
AC_CHECK_HEADER([cybergraphx/cybergraphics.h], [], [ can_compile_amigaos=0 ])
AC_CHECK_HEADER([devices/trackdisk.h], [], [ can_compile_amigaos=0 ])
if test $can_compile_amigaos = 1; then
with_amigaos=yes
fi
fi
if test "$with_carbon" != yes; then
can_compile_carbon=1
AC_CHECK_HEADER([Carbon.h], [], [ can_compile_carbon=0 ])
AC_CHECK_HEADER([ApplicationServices/ApplicationServices.h], [], [ can_compile_carbon=0 ])
if test $can_compile_carbon = 1; then
with_carbon=yes
fi
fi
if test "$with_win32" != yes; then
can_compile_win32=1
AC_CHECK_HEADER([windows.h], [], [ can_compile_win32=0 ])
AC_CHECK_HEADER([commctrl.h], [], [ can_compile_win32=0 ])
if test $can_compile_win32 = 1; then
with_win32=yes
fi
fi
if test "$with_sdl" != yes -a "$with_sdl2" != yes; then
can_compile_sdl=2
AC_CHECK_HEADER([SDL2/SDL.h], [], [ can_compile_sdl=0 ])
AC_CHECK_HEADER([SDL2/SDL_main.h], [], [ can_compile_sdl=0 ])
if test $can_compile_sdl != 2; then
can_compile_sdl=1
AC_CHECK_HEADER([SDL/SDL.h], [], [ can_compile_sdl=0 ])
AC_CHECK_HEADER([SDL/SDL_main.h], [], [ can_compile_sdl=0 ])
if test $can_compile_sdl = 1; then
with_sdl=yes
fi
else
with_sdl2=yes
fi
fi
if test "$with_x11" != yes; then
can_compile_x11=1
AC_CHECK_HEADER([X11/Xlib.h], [], [ can_compile_x11=0 ])
AC_CHECK_HEADER([X11/Xutil.h], [], [ can_compile_x11=0 ])
if test $can_compile_x11 = 1; then
with_x11=yes
fi
fi
if test "$with_rfb" != yes; then
can_compile_rfb=1
case $target in
*-pc-windows* | *-pc-winnt* | *-cygwin* | *-mingw32* | *-msys)
AC_CHECK_HEADER([winsock2.h], [], [ can_compile_rfb=0 ])
AC_CHECK_HEADER([process.h], [], [ can_compile_rfb=0 ])
;;
*)
AC_CHECK_HEADER([sys/socket.h], [], [ can_compile_rfb=0 ])
AC_CHECK_HEADER([netinet/tcp.h], [], [ can_compile_rfb=0 ])
AC_CHECK_HEADER([pthread.h], [], [ can_compile_rfb=0 ])
;;
esac
if test $can_compile_rfb = 1; then
with_rfb=yes
fi
fi
if test "$with_vncsrv" != yes; then
can_compile_vncsrv=1
case $target in
*-pc-windows* | *-pc-winnt*)
can_compile_vncsrv=0
;;
*-cygwin* | *-mingw32* | *-msys)
AC_CHECK_HEADER([rfb/rfb.h], [], [ can_compile_vncsrv=0 ])
;;
*)
AC_CHECK_HEADER([rfb/rfb.h], [], [ can_compile_vncsrv=0 ])
AC_CHECK_HEADER([pthread.h], [], [ can_compile_vncsrv=0 ])
;;
esac
if test $can_compile_vncsrv = 1; then
with_vncsrv=yes
fi
fi
if test "$with_term" != yes; then
can_compile_term=1
AC_CHECK_HEADER([curses.h], [], [ can_compile_term=0 ])
AC_CHECK_HEADER([signal.h], [], [ can_compile_term=0 ])
if test $can_compile_term = 1; then
with_term=yes
fi
fi
if test "$with_nogui" != yes; then
with_nogui=yes
fi
fi # end of if $with_all_libs = yes
if test "$with_sdl" = yes -a "$with_sdl2" = yes; then
AC_MSG_ERROR([[--with-sdl and --with-sdl2 are mutually exclusive]])
fi
AC_MSG_CHECKING(for idle hack)
AC_ARG_ENABLE(idle-hack,
AS_HELP_STRING([--enable-idle-hack], [use Roland Mainz's idle hack (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_USE_IDLE_HACK, 1)
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_USE_IDLE_HACK, 0)
fi],
[
AC_MSG_RESULT(no)
AC_DEFINE(BX_USE_IDLE_HACK, 0)
]
)
AC_SUBST(BX_USE_IDLE_HACK)
AC_CHECK_HEADER(dlfcn.h, AC_DEFINE(BX_HAVE_DLFCN_H, 1))
AC_CHECK_HEADER(assert.h, AC_DEFINE(HAVE_ASSERT_H, 1))
AC_MSG_CHECKING(for plugins support)
AC_ARG_ENABLE(plugins,
AS_HELP_STRING([--enable-plugins], [enable plugin support (no)]),
[if test "$enableval" = yes; then
bx_plugins=1
else
bx_plugins=0
fi],
[
bx_plugins=0
]
)
USER_PLUGINS_MAKEFILE=''
if test "$bx_plugins" = 1; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_PLUGINS, 1)
GUI_NON_PLUGIN_OBJS='$(OBJS_THAT_CANNOT_BE_PLUGINS)'
GUI_PLUGIN_OBJS='$(OBJS_THAT_CAN_BE_PLUGINS)'
DEFINE_PLUGIN_PATH='-DBX_PLUGIN_PATH="\"${plugdir}\""'
# and the $(OBJS_THAT_SUPPORT_OTHER_PLUGINS) will be built and linked
if test "$NO_LT" != 1; then
# by special link rules for the plugins that they support.
LIBS="$LIBS $LIBADD_DL"
have_ltdl=0
AC_CHECK_HEADER(ltdl.h, [AC_CHECK_LIB(ltdl, lt_dlinit, [have_ltdl=1]]))
if test "$have_ltdl" = 1; then
PLUGIN_LIB="-lltdl"
AC_DEFINE(BX_HAVE_LTDL,1)
else
PLUGIN_VAR="ltdl.o"
PLUGIN_LIB="ltdl.o"
fi
fi
PLUGIN_TARGET=bochs_plugins
PLUGIN_TARGET_2=plugins_gcc
INSTALL_PLUGINS_VAR=install_libtool_plugins
NONPLUGIN_GUI_LINK_OPTS=''
if test -d user_plugins; then
USER_PLUGINS_MAKEFILE='user_plugins/Makefile'
fi
else
AC_MSG_RESULT(no)
bx_plugins=0
AC_DEFINE(BX_PLUGINS, 0)
GUI_NON_PLUGIN_OBJS='$(OBJS_THAT_CANNOT_BE_PLUGINS) $(OBJS_THAT_CAN_BE_PLUGINS) $(OBJS_THAT_SUPPORT_OTHER_PLUGINS)'
GUI_PLUGIN_OBJS=''
NONPLUGIN_GUI_LINK_OPTS='$(GUI_LINK_OPTS)'
fi
AC_SUBST(DEFINE_PLUGIN_PATH)
# copy gui variables into iodev variables. Later, we will add to the gui
# objs list, according to which display libraries are enabled.
IODEV_NON_PLUGIN_OBJS=$GUI_NON_PLUGIN_OBJS
IODEV_PLUGIN_OBJS=$GUI_PLUGIN_OBJS
IODEV_EXT_NON_PLUGIN_OBJS=$GUI_NON_PLUGIN_OBJS
IODEV_EXT_PLUGIN_OBJS=$GUI_PLUGIN_OBJS
# on MacOSX if they enabled plugins, make sure that dlopen() was found.
# It is provided by a library called dlcompat.
if test "$bx_plugins" = 1 -a "$need_dlcompat_for_plugins" = 1; then
have_dlopen=0
AC_CHECK_LIB(dl, dlopen, [have_dlopen=1])
AC_MSG_CHECKING(if you have dlcompat, required for MacOSX plugins)
if test "$have_dlopen" = 0; then
AC_MSG_RESULT(no)
AC_MSG_ERROR([To use plugins on MacOSX you must use a library called dlcompat. The configure script was not able to find dlcompat. If it is already installed then you must set up your environment variables to point to it, as is done in .conf.macosx. If you cannot resolve this, you should turn off plugins.])
else
AC_MSG_RESULT(yes)
fi
fi
AC_MSG_CHECKING(if compiler allows LL for 64-bit constants)
AC_TRY_COMPILE([], [ { 42LL; } ],
AC_MSG_RESULT(yes),
[
AC_MSG_RESULT(no)
AC_DEFINE(BX_64BIT_CONSTANTS_USE_LL, 0)
])
AC_MSG_CHECKING(for A20 support)
AC_ARG_ENABLE(a20-pin,
AS_HELP_STRING([--enable-a20-pin], [compile in support for A20 pin (yes)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_SUPPORT_A20, 1)
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_SUPPORT_A20, 0)
fi
],
[
AC_MSG_RESULT(yes)
AC_DEFINE(BX_SUPPORT_A20, 1)
]
)
use_x86_64=0
AC_MSG_CHECKING(for x86-64 support)
AC_ARG_ENABLE(x86-64,
AS_HELP_STRING([--enable-x86-64], [compile in support for x86-64 instructions (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
OBJS64='$(OBJS64)'
AC_DEFINE(BX_SUPPORT_X86_64, 1)
use_x86_64=1
else
AC_MSG_RESULT(no)
OBJS64=''
AC_DEFINE(BX_SUPPORT_X86_64, 0)
fi
],
[
AC_MSG_RESULT(no)
OBJS64=''
AC_DEFINE(BX_SUPPORT_X86_64, 0)
]
)
AC_SUBST(OBJS64)
use_smp=0
AC_MSG_CHECKING(for SMP support)
AC_ARG_ENABLE(smp,
AS_HELP_STRING([--enable-smp], [compile in support for SMP configurations (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_SUPPORT_SMP, 1)
AC_DEFINE(BX_USE_CPU_SMF, 0)
use_smp=1
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_SUPPORT_SMP, 0)
fi
],
[
AC_MSG_RESULT(no)
AC_DEFINE(BX_SUPPORT_SMP, 0)
]
)
AC_MSG_CHECKING(for cpu level)
AC_ARG_ENABLE(cpu-level,
AS_HELP_STRING([--enable-cpu-level], [select cpu level (3,4,5,6 - default is 6)]),
[case "$enableval" in
3)
AC_MSG_RESULT(3)
AC_DEFINE(BX_CPU_LEVEL, 3)
;;
4)
AC_MSG_RESULT(4)
AC_DEFINE(BX_CPU_LEVEL, 4)
;;
5)
AC_MSG_RESULT(5)
AC_DEFINE(BX_CPU_LEVEL, 5)
;;
6)
AC_MSG_RESULT(6)
AC_DEFINE(BX_CPU_LEVEL, 6)
;;
*)
echo " "
echo "ERROR: you must supply a valid CPU level to --enable-cpu-level"
exit 1
;;
esac
bx_cpu_level=$enableval
if test "$use_smp" = 1 -a "$enableval" -lt 5; then
echo "ERROR: with >1 processor, use --enable-cpu-level=5 or more"
exit 1
fi
if test "$use_x86_64" = 1 -a "$enableval" -lt 6; then
echo "ERROR: --enable-cpu-level=6 required for x86-64 emulation"
exit 1
fi
],
[
AC_MSG_RESULT(6)
AC_DEFINE(BX_CPU_LEVEL, 6)
bx_cpu_level=6
]
)
AC_MSG_CHECKING(for larger than 32 bit physical address emulation)
AC_ARG_ENABLE(long-phy-address,
AS_HELP_STRING([--enable-long-phy-address], [compile in support for physical address larger than 32 bit (yes, if cpu level >= 5)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_PHY_ADDRESS_LONG, 1)
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_PHY_ADDRESS_LONG, 0)
fi
],
[
if test "$bx_cpu_level" -ge 5; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_PHY_ADDRESS_LONG, 1)
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_PHY_ADDRESS_LONG, 0)
fi
]
)
AC_MSG_CHECKING(for large ramfile support)
AC_ARG_ENABLE(large-ramfile,
AS_HELP_STRING([--enable-large-ramfile], [enable large ramfile support (yes)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_LARGE_RAMFILE, 1)
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_LARGE_RAMFILE, 0)
fi],
[
AC_MSG_RESULT(yes)
AC_DEFINE(BX_LARGE_RAMFILE, 1)
]
)
AC_SUBST(BX_LARGE_RAMFILE)
AC_MSG_CHECKING(for repeated IO and mem copy speedups)
AC_ARG_ENABLE(repeat-speedups,
AS_HELP_STRING([--enable-repeat-speedups], [support repeated IO and mem copy speedups (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
speedup_repeat=1
else
AC_MSG_RESULT(no)
speedup_repeat=0
fi],
[
AC_MSG_RESULT(no)
speedup_repeat=0
]
)
AC_MSG_CHECKING(for gcc / MSVC nmake fast function calls optimization)
AC_ARG_ENABLE(fast-function-calls,
AS_HELP_STRING([--enable-fast-function-calls], [support for fast function calls (no - gcc on x86 and MSVC nmake only)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
speedup_fastcall=1
else
AC_MSG_RESULT(no)
speedup_fastcall=0
fi],
[
AC_MSG_RESULT(no)
speedup_fastcall=0
]
)
AC_MSG_CHECKING(for handlers chaining speedups)
AC_ARG_ENABLE(handlers-chaining,
AS_HELP_STRING([--enable-handlers-chaining], [support handlers-chaining emulation speedups (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
speedup_handlers_chaining=1
else
AC_MSG_RESULT(no)
speedup_handlers_chaining=0
fi],
[
AC_MSG_RESULT(no)
speedup_handlers_chaining=0
]
)
AC_MSG_CHECKING(for trace linking speedups support)
AC_ARG_ENABLE(trace-linking,
AS_HELP_STRING([--enable-trace-linking], [enable trace linking speedups support (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
enable_trace_linking=1
else
AC_MSG_RESULT(no)
enable_trace_linking=0
fi],
[
AC_MSG_RESULT(no)
enable_trace_linking=0
]
)
AC_MSG_CHECKING(support for configurable MSR registers)
AC_ARG_ENABLE(configurable-msrs,
AS_HELP_STRING([--enable-configurable-msrs], [support for configurable MSR registers (yes if cpu level >= 5)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_CONFIGURE_MSRS, 1)
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_CONFIGURE_MSRS, 0)
fi],
[
if test "$bx_cpu_level" -ge 5; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_CONFIGURE_MSRS, 1)
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_CONFIGURE_MSRS, 0)
fi
]
)
AC_MSG_CHECKING(show IPS)
AC_ARG_ENABLE(show-ips,
AS_HELP_STRING([--enable-show-ips], [show IPS in Bochs status bar / log file (yes)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_SHOW_IPS, 1)
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_SHOW_IPS, 0)
fi],
[
AC_MSG_RESULT(yes)
AC_DEFINE(BX_SHOW_IPS, 1)
]
)
AC_MSG_CHECKING(for use of .cpp as suffix)
AC_ARG_ENABLE(cpp,
AS_HELP_STRING([--enable-cpp], [use .cpp as C++ suffix (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
SUFFIX_LINE='.SUFFIXES: .cpp'
CPP_SUFFIX='cpp'
else
AC_MSG_RESULT(no)
SUFFIX_LINE='.SUFFIXES: .cc'
CPP_SUFFIX='cc'
fi],
[
AC_MSG_RESULT(no)
SUFFIX_LINE='.SUFFIXES: .cc'
CPP_SUFFIX='cc'
]
)
AC_SUBST(SUFFIX_LINE)
AC_SUBST(CPP_SUFFIX)
if test "$enable_cpp" = yes; then
echo "moving .cc source files to .cpp"
sourcefiles=`find . -name "*.cc" -print`
if test "$sourcefiles" != ""; then
for ccname in $sourcefiles
do
cppname=`echo $ccname | sed -e "s/\.cc$/.cpp/"`
echo "mv $ccname $cppname"
mv $ccname $cppname
done
else
echo "no more .cc source files to rename"
fi
fi
AC_MSG_CHECKING(for Bochs internal debugger support)
AC_ARG_ENABLE(debugger,
AS_HELP_STRING([--enable-debugger], [compile in support for Bochs internal debugger (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_DEBUGGER, 1)
DEBUGGER_VAR='$(DEBUGGER_LIB)'
NO_FLEX_YACC=''
AC_PATH_PROG(FLEX, flex, not_found)
AC_PATH_PROG(YACC, yacc, not_found)
AC_MSG_CHECKING(whether to generate parser / lexer files)
if test "$FLEX" = not_found -o "$YACC" = not_found -o "$MSVC_TARGET" != 0; then
NO_FLEX_YACC='#'
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(yes)
fi
AC_SUBST(NO_FLEX_YACC)
bx_debugger=1
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_DEBUGGER, 0)
DEBUGGER_VAR=''
bx_debugger=0
fi
],
[
AC_MSG_RESULT(no)
AC_DEFINE(BX_DEBUGGER, 0)
DEBUGGER_VAR=''
bx_debugger=0
]
)
AC_SUBST(DEBUGGER_VAR)
AC_MSG_CHECKING(enable Bochs internal debugger GUI)
AC_ARG_ENABLE(debugger-gui,
AS_HELP_STRING([--enable-debugger-gui], [compile in support for Bochs internal debugger GUI (yes, if debugger is on)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
gui_debugger=1
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_DEBUGGER_GUI, 0)
gui_debugger=0
fi],
[
if test "$bx_debugger" = 1; then
AC_MSG_RESULT(yes)
gui_debugger=1
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_DEBUGGER_GUI, 0)
gui_debugger=0
fi
]
)
bx_gdb_stub=0
AC_MSG_CHECKING(for gdb stub enable)
AC_ARG_ENABLE(gdb-stub,
AS_HELP_STRING([--enable-gdb-stub], [enable gdb stub support (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_GDBSTUB, 1)
GDBSTUB_VAR='$(GDBSTUB_OBJS)'
bx_gdb_stub=1
if test "$bx_debugger" = 1; then
AC_MSG_ERROR([[--enable-debugger and --enable-gdb-stub are mutually exclusive]])
fi
AC_MSG_WARN([This Bochs feature is not maintained yet and may fail])
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_GDBSTUB, 0)
GDBSTUB_VAR=''
fi],
[
AC_MSG_RESULT(no)
AC_DEFINE(BX_GDBSTUB, 0)
GDBSTUB_VAR=''
]
)
AC_SUBST(GDBSTUB_VAR)
AC_MSG_CHECKING(for I/O Interface to the debugger)
IODEBUG_OBJS=''
AC_ARG_ENABLE(iodebug,
AS_HELP_STRING([--enable-iodebug], [enable I/O interface to debugger (yes, if debugger is on)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE(BX_SUPPORT_IODEBUG, 1)
IODEBUG_OBJS='iodebug.o'
else
AC_MSG_RESULT(no)
AC_DEFINE(BX_SUPPORT_IODEBUG, 0)
fi
],
[
if test "$bx_debugger" = 1; then
# enable by default if debugger is on
AC_MSG_RESULT(yes)
AC_DEFINE(BX_SUPPORT_IODEBUG, 1)
IODEBUG_OBJS='iodebug.o'
else
AC_MSG_RESULT(no)
fi
]
)
AC_SUBST(IODEBUG_OBJS)
AC_MSG_CHECKING(for ALL optimizations enabled)
AC_ARG_ENABLE(all-optimizations,
AS_HELP_STRING([--enable-all-optimizations], [compile in all possible optimizations (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
speedups_all=1
else
AC_MSG_RESULT(no)
speedups_all=0
fi
],
[
AC_MSG_RESULT(no)
speedups_all=0
]
)
#
# Optimizations section. Decide what the status of various optimizations
# should be based on configure choices and other factors.
#
if test "$speedups_all" = 1; then
# Configure requested to force all options enabled.
speedup_repeat=1
speedup_fastcall=1
speedup_handlers_chaining=1
enable_trace_linking=1
fi
if test "$speedup_repeat" = 1; then
AC_DEFINE(BX_SUPPORT_REPEAT_SPEEDUPS, 1)
else
AC_DEFINE(BX_SUPPORT_REPEAT_SPEEDUPS, 0)
fi
if test "$speedup_fastcall" = 1; then
AC_DEFINE(BX_FAST_FUNC_CALL, 1)
else
AC_DEFINE(BX_FAST_FUNC_CALL, 0)
fi
if test "$bx_debugger" = 1 -a "$speedup_handlers_chaining" = 1; then
speedup_handlers_chaining=0
echo "ERROR: handlers-chaining speedups are not supported with internal debugger or gdbstub yet"
fi
if test "$bx_gdb_stub" = 1 -a "$speedup_handlers_chaining" = 1; then
speedup_handlers_chaining=0
echo "ERROR: handlers-chaining speedups are not supported with internal debugger or gdbstub yet"
fi
if test "$speedup_handlers_chaining" = 1; then
AC_DEFINE(BX_SUPPORT_HANDLERS_CHAINING_SPEEDUPS, 1)
else
AC_DEFINE(BX_SUPPORT_HANDLERS_CHAINING_SPEEDUPS, 0)
fi
if test "$enable_trace_linking" = 1; then
AC_DEFINE(BX_ENABLE_TRACE_LINKING, 1)
else
AC_DEFINE(BX_ENABLE_TRACE_LINKING, 0)
fi
READLINE_LIB=""
rl_without_curses_ok=no
rl_with_curses_ok=no
AC_MSG_CHECKING(whether user wants readline)
AC_ARG_ENABLE(readline,
AS_HELP_STRING([--enable-readline], [use readline library, if available (no)]),
[if test "$enableval" = yes; then
AC_MSG_RESULT(yes)
want_readline=yes
else
AC_MSG_RESULT(no)
want_readline=no
fi],
[
AC_MSG_RESULT(yes)
want_readline=yes
]
)
use_readline=0
AC_MSG_CHECKING(whether to use readline)
if test "$want_readline" = yes; then
if test "$bx_debugger" = 1; then
AC_MSG_CHECKING(if readline works without -lcurses)
OLD_LIBS=$LIBS
LIBS="$LIBS -lreadline"
AC_TRY_RUN([
#include <stdio.h>
#include <readline/readline.h>
int main() { rl_initialize(); exit(0); }
],
[ AC_MSG_RESULT(yes)
rl_without_curses_ok=yes ],
[ AC_MSG_RESULT(no) ]
)
AC_MSG_CHECKING(if readline works with -lcurses)