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configure.ac
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configure.ac
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AC_PREREQ([2.69])
# The version is set in elpa.spec, to have a single point of reference
AC_INIT([elpa],m4_esyscmd_s([awk '/^ *Version:/ {print $2;}' elpa.spec]), [[email protected]])
AC_SUBST([PACKAGE_VERSION])
AC_CONFIG_SRCDIR([src/elpa.F90])
AM_INIT_AUTOMAKE([foreign -Wall subdir-objects])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AM_SILENT_RULES([yes])
# ABI version
#
# Set the libtool library version, see LIBRARY_INTERFACE
#
# See http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
#
# [c:r:a]
#
# c: The currently implement interface
# r: The revision number of the current interface, that is the number
# of released source-code changes for the current interface
# a: The "age" is the number of interfaces prior to c that are also supported
# by the current interface, as they are ABI compatible (e.g. only new symbols
# were added by the new interface)
#
AC_SUBST([ELPA_SO_VERSION], [21:0:2])
# AC_DEFINE_SUBST(NAME, VALUE, DESCRIPTION)
# -----------------------------------------
AC_DEFUN([AC_DEFINE_SUBST], [
AC_DEFINE([$1], [$2], [$3])
AC_SUBST([$1], ['$2'])
])
AX_BUILD_DATE_EPOCH(ELPA_BUILDTIME)
# API Version
AC_DEFINE([EARLIEST_API_VERSION], [20170403], [Earliest supported ELPA API version])
print_earliest_api_version=20170403
AC_DEFINE_SUBST(CURRENT_API_VERSION, 20231705, "Current ELPA API version")
print_current_api_version=20231705
# Autotune Version
AC_DEFINE([EARLIEST_AUTOTUNE_VERSION], [20171201], [Earliest ELPA API version, which supports autotuning])
print_earliest_autotune_version=20171201
AC_DEFINE([CURRENT_AUTOTUNE_VERSION], [20232311], [Current ELPA autotune version])
print_current_autotune_version=20232311
AC_DEFINE([CURRENT_AUTOTUNE_VERSION], [20232311], [Current ELPA autotune version])
AC_DEFINE_SUBST(CURRENT_AUTOTUNE_VERSION, 20232311, "Current ELPA autotune version")
AC_DEFINE_UNQUOTED([ELPA_BUILDTIME], [$ELPA_BUILDTIME], ["Time of build"])
AX_COMPARE_VERSION([$ELPA_BUILDTIME], [gt], [1716473596],[old_elpa_version=yes],[old_elpa_version=no])
AX_CHECK_GNU_MAKE()
if test x$_cv_gnu_make_command = x ; then
AC_MSG_ERROR([Need GNU Make])
fi
AC_MSG_CHECKING(whether in C interface the error argument should be optional)
AC_ARG_ENABLE([optional-argument-in-C-API],
AS_HELP_STRING([--enable-optional-argument-in-C-API],
[do not build C API with error argument as optional, default no]),
[
if test x"$enableval" = x"yes"; then
optional_c_error_argument=yes
else
optional_c_error_argument=no
fi
],
[optional_c_error_argument=no])
AC_MSG_RESULT([${optional_c_error_argument}])
AM_CONDITIONAL([OPTIONAL_C_ERROR_ARGUMENT],[test x"$optional_c_error_argument" = x"yes"])
if test x"${optional_c_error_argument}" = x"yes"; then
AC_DEFINE([OPTIONAL_C_ERROR_ARGUMENT], [1], [enable error argument in C-API to be optional])
fi
# gnu-make fortran module dependencies
m4_include([fdep/fortran_dependencies.m4])
FDEP_F90_GNU_MAKE_DEPS
dnl OpenMP
m4_include([m4/ax_elpa_openmp.m4])
AC_MSG_CHECKING(whether --enable-openmp is specified)
AC_ARG_ENABLE([openmp],
AS_HELP_STRING([--enable-openmp],
[use OpenMP threading, default no.]),
[
if test x"$enableval" = x"yes"; then
enable_openmp=yes
else
enable_openmp=no
fi
],
[enable_openmp=no])
AC_MSG_RESULT([${enable_openmp}])
AM_CONDITIONAL([WITH_OPENMP_TRADITIONAL],[test x"$enable_openmp" = x"yes"])
if test x"${enable_openmp}" = x"yes"; then
AC_DEFINE([WITH_OPENMP_TRADITIONAL], [1], [use OpenMP threading])
fi
dnl mpi
correct_mpi_argument=no
with_mpi_specified=no
AC_ARG_WITH([mpi],
[AS_HELP_STRING([--with-mpi=[[yes|no]]],
[compile with MPI. Default: yes])],
[
with_mpi_specified=yes
if test x"$withval" = x"auto"; then
correct_mpi_argument=yes
fi
if test x"$withval" = x"yes"; then
correct_mpi_argument=yes
fi
if test x"$withval" = x"no"; then
correct_mpi_argument=yes
fi],
[with_mpi=yes])
if test x"$with_mpi_specified" = x"yes"; then
if test x"$correct_mpi_argument" = x"no"; then
AC_MSG_ERROR([if --with-mpi is specified, it must be either --with-mpi=yes, or --with-mpi=no])
fi
fi
AM_CONDITIONAL([WITH_MPI],[test x"$with_mpi" = x"yes"])
if test x"${with_mpi}" = x"yes"; then
AC_DEFINE([WITH_MPI], [1], [use MPI])
fi
dnl CXX
AC_LANG_PUSH([C++])
AC_PROG_CXX
ac_success="no"
check_for_c11="no"
AX_CXX_COMPILE_STDCXX_17
AC_LANG_POP([C++])
if test x"${ac_success}" = x"no"; then
check_for_c11="yes"
fi
AC_LANG_PUSH([C++])
if test x"${check_for_c11}" = x"yes"; then
cxx11_standard=no
AX_CHECK_COMPILE_FLAG([-std=gnu++11], [
cxx11_standard=yes
], [
echo "C++ compiler cannot compile -std=gnu++11 code"
echo "testing -std=c++11.."
])
if test x"$cxx11_standard" = x"yes"; then
CXXFLAGS+=" -std=gnu++11"
fi
if test x"$cxx11_standard" = x"no"; then
AX_CHECK_COMPILE_FLAG([-std=c++11], [
cxx11_standard=yes
], [
echo "C++ compiler cannot compile -std=c++11 code"
echo "testing -c++11.."
])
if test x"$cxx11_standard" = x"yes"; then
CXXFLAGS+=" -std=c++11"
fi
fi
if test x"$cxx11_standard" = x"no"; then
AX_CHECK_COMPILE_FLAG([-c++11], [
cxx11_standard=yes
], [
echo "C++ compiler cannot compile -c++11 code"
echo "C++ compiler cannot compile C++11 code"
exit -1
])
if test x"$cxx11_standard" = x"yes"; then
CXXFLAGS+=" -c++11"
fi
fi
AC_LANG_POP([C++])
fi
dnl C
AC_LANG_PUSH([C])
AX_PROG_CC_MPI([test x"$with_mpi" = x"yes"],[found_mpi_c=yes],[found_mpi_c=no])
if test x"$with_mpi" = x"yes"; then
if test x"$found_mpi_c" = x"no"; then
AC_MSG_ERROR([Could not compile an MPI C program])
fi
fi
if test x"${enable_openmp}" = x"yes"; then
AX_ELPA_OPENMP
if test "$ac_cv_prog_cc_openmp" = unsupported; then
AC_MSG_ERROR([Could not compile a C program with OpenMP, adjust CFLAGS])
fi
CFLAGS="$OPENMP_CFLAGS $CFLAGS"
fi
if test x"${check_for_c11}" = x"yes"; then
c11_standard=no
AX_CHECK_COMPILE_FLAG([-std=gnu11], [
c11_standard=yes
], [
echo "C compiler cannot compile -std=gnu11 code"
echo "testing -std=c11.."
])
if test x"$c11_standard" = x"yes"; then
CFLAGS+=" -std=gnu11"
fi
if test x"$c11_standard" = x"no"; then
AX_CHECK_COMPILE_FLAG([-std=c11], [
c11_standard=yes
], [
echo "C compiler cannot compile -std=c11 code"
echo "testing -c11.."
])
if test x"$c11_standard" = x"yes"; then
CFLAGS+=" -std=c11"
fi
fi
fi
if test x"$c11_standard" = x"no"; then
AX_CHECK_COMPILE_FLAG([-c11], [
c11_standard=yes
], [
echo "C compiler cannot compile -c11 code"
echo "C compiler cannot compile C11 code"
exit -1
])
if test x"$c11_standard" = x"yes"; then
CFLAGS+=" -c11"
fi
fi
AX_EXT
dnl heterogenous-cluster-support
AC_MSG_CHECKING(whether heterogenous-cluster-support should be enabled)
AC_ARG_ENABLE([heterogenous-cluster-support],
AS_HELP_STRING([--enable-heterogenous-cluster-support],
[allow ELPA to automatically switch to a kernel supported on all CPUs of a cluster (only works for Intel CPUs at the moment), default no. Activate only if necessary has a performance penalty! This feature is experimental! (default: disabled)]),
[
if test x"$enableval" = x"yes"; then
enable_heterogenous_cluster_support=yes
else
enable_heterogenous_cluster_support=no
fi
],
[enable_heterogenous_cluster_support="no"])
AC_MSG_RESULT([$enable_heterogenous_cluster_support])
if test x"${enable_heterogenous_cluster_support}" = x"yes"; then
AC_DEFINE([HAVE_HETEROGENOUS_CLUSTER_SUPPORT], [1], [automatically support clusters with different Intel CPUs])
fi
AM_CONDITIONAL([HAVE_HETEROGENOUS_CLUSTER_SUPPORT],[test x"$enable_heterogenous_cluster_support" = x"yes"])
dnl 64bit integer support for BLACS/LAPACK/SCALAPACK support
dnl first long int
AC_CHECK_SIZEOF([long int])
size_of_long_int="${ac_cv_sizeof_long_int}"
dnl then 64bit blas
AC_MSG_CHECKING(whether 64bit integers should be used for math libraries (BLAS/LAPACK/SCALAPACK))
AC_ARG_ENABLE([64bit-integer-math-support],
AS_HELP_STRING([--enable-64bit-integer-math-support],
[allows to link against the 64bit integer versions of the math libraries BLAS, LAPACK, and SCALAPACK (default: no)]),
[
if test x"$enableval" = x"yes"; then
enable_64bit_integer_math_support=yes
else
enable_64bit_integer_math_support=no
fi
],
[enable_64bit_integer_math_support="no"])
AC_MSG_RESULT([$enable_64bit_integer_math_support])
if test x"${enable_64bit_integer_math_support}" = x"yes"; then
dnl at least INTEL MPI does _NOT_ support 64BIT integer mode for C thus disable C tests in this Case
if test x"${enable_c_tests}" = x"yes"; then
AC_MSG_ERROR([You cannot both define 64bit integer support and C tests. Reconfigure!])
fi
dnl check whether long int is the correct data-type in C
if test x"${size_of_long_int}" = x"8"; then
echo "Found C data-type \"long int\" with 8 bytes"
else
AC_MSG_ERROR([The C data-type "long int" is only ${size_of_long_int} bytes; Needed is 8 bytes])
fi
AC_DEFINE([HAVE_64BIT_INTEGER_MATH_SUPPORT], [1], [allow to link against the 64bit integer versions of math libraries])
fi
AM_CONDITIONAL([HAVE_64BIT_INTEGER_MATH_SUPPORT],[test x"$enable_64bit_integer_math_support" = x"yes"])
dnl then 64bit blas
AC_MSG_CHECKING(whether 64bit integers should be used for the MPI library)
AC_ARG_ENABLE([64bit-integer-mpi-support],
AS_HELP_STRING([--enable-64bit-integer-mpi-support],
[allows to link against the 64bit integer versions of the MPI library (default: no)]),
[
if test x"$enableval" = x"yes"; then
enable_64bit_integer_mpi_support=yes
else
enable_64bit_integer_mpi_support=no
fi
],
[enable_64bit_integer_mpi_support="no"])
AC_MSG_RESULT([$enable_64bit_integer_mpi_support])
if test x"${enable_64bit_integer_mpi_support}" = x"yes"; then
AC_DEFINE([HAVE_64BIT_INTEGER_MPI_SUPPORT], [1], [allow to link against the 64bit integer versions of the MPI library])
fi
AM_CONDITIONAL([HAVE_64BIT_INTEGER_MPI_SUPPORT],[test x"$enable_64bit_integer_mpi_support" = x"yes"])
AC_MSG_CHECKING(whether C compiler can use _Generic )
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
int main(int argc, char **argv) {
#define elpa_set(e, name, value, error) _Generic((value), \
int: \
elpa_set_integer, \
\
double: \
elpa_set_double \
)(e, name, value, error)
return 0;
}
])],
[can_compile_generic=yes],
[can_compile_generic=no]
)
AC_MSG_RESULT([${can_compile_generic}])
if test x"$can_compile_generic" != x"yes"; then
AC_MSG_ERROR([C compiler cannot handle _Generic statement! Upgrade or change C compiler])
fi
AC_DEFINE([HAVE_VSX_SSE],[1],[Altivec VSX intrinsics are supported on this CPU])
AC_PROG_INSTALL
AM_PROG_AR
AM_PROG_AS
AC_PROG_CC_C99
AM_PROG_CC_C_O
AC_PROG_CPP
AC_LANG_POP([C])
# Fortran
AC_LANG_PUSH([Fortran])
m4_include([m4/ax_prog_fc_mpi.m4])
AX_PROG_FC_MPI([test x"$with_mpi" = x"yes"],[found_mpi_f=yes],[found_mpi_f=no])
if test x"$with_mpi" = x"yes"; then
if test x"$found_mpi_f" = x"no"; then
AC_MSG_ERROR([Could not compile an MPI Fortran program])
fi
fi
AC_FC_SRCEXT([F90])
AC_FC_FREEFORM
AC_FC_MODULE_FLAG
AC_FC_MODULE_OUTPUT_FLAG
AC_FC_LIBRARY_LDFLAGS
AC_MSG_CHECKING(whether Fortran compiler infers interfaces )
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
program test
implicit none
integer :: a
real*8 :: b
call foo(a)
call foo(b)
end program
])],
[FC_does_infer_interfaces=no],
[FC_does_infer_interfaces=yes]
)
AC_MSG_RESULT([${FC_does_infer_interfaces}])
if test x"${FC_does_infer_interfaces}" = x"yes"; then
# two problems
# 1. some MPIs (at least Intel) do not provide all
# interfaces, which will fail
# in case of MPI and not all interfaces -> switch of
# argument checking or fail
# 2. no MPI case: switch of PACK_REAL_TO_COMPLEX
if test x"${with_mpi}" = x"yes"; then
AC_MSG_CHECKING(whether MPI module defines all interfaces )
# check whether MPI module defines all interfaces; not the case for Intel MPI!
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
program test_mpi_interfaces
use mpi
implicit none
integer :: rank
integer :: buf(10)
integer :: ierr
real*8 :: a(2)
complex*16 :: b(2)
call MPI_Init(ierr)
call MPI_Comm_rank(MPI_COMM_WORLD, rank, ierr)
if (rank == 0) then
buf(:) = 42;
end if
!! this is OK
!call MPI_Bcast(buf, 10, MPI_INT, 0, MPI_COMM_WORLD, ierr)
!! Oops, wrong order here:
!call MPI_Bcast(10, buf, MPI_INT, 0, MPI_COMM_WORLD, ierr)
! if the correct interfaces exists in the MPI module
! this must work. If not and the compiler infers interfaces
! this will fail
call MPI_Bcast(a, 2, MPI_REAL8, 0, MPI_COMM_WORLD, ierr)
call MPI_Bcast(b, 2, MPI_DOUBLE_COMPLEX, 0, MPI_COMM_WORLD, ierr)
call MPI_Finalize(ierr)
end program
])],
[MPImodule_has_interfaces=yes],
[MPImodule_has_interfaces=no]
)
AC_MSG_RESULT([${MPImodule_has_interfaces}])
AC_ARG_ENABLE([mpi-module],
AS_HELP_STRING([--disable-mpi-module],
[do not use the Fortran MPI module, but get instead interfaces by 'include "mpif.h' (default: --enable-mpi-module)]),
[
if test x"$enableval" = x"yes"; then
enable_mpi_module_tmp=yes
else
enable_mpi_module_tmp=no
fi
],
[enable_mpi_module_tmp=yes])
if test x"${enable_mpi_module_tmp}" = x"no"; then
MPImodule_has_interfaces=no
fi
if test x"${MPImodule_has_interfaces}" = x"no"; then
AC_MSG_CHECKING(whether we can cure missing interfaces by allowing argument mismatch )
#check whether we can cure this by disabling argument checking
FCFLAGS_SAVE2="$FCFLAGS"
FCFLAGS="$FCFLAGS -fallow-argument-mismatch"
# test again
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
program test
implicit none
integer :: a
real*8 :: b
call foo(a)
call foo(b)
end program
])],
[FC_infer_interfaces_cured=yes],
[FC_infer_interfaces_cured=no]
)
AC_MSG_RESULT([${FC_infer_interfaces_cured}])
if test x"${FC_infer_interfaces_cured}" = x"no"; then
FCFLAGS = "$FCFLAGS_SAVE2"
AC_MSG_ERROR([Fortran compiler infers interfaces; but MPI module does not supply all of them])
fi
fi
#else
# # no MPI case switch of PACK_REAL_TO_COMPLEX
# # i.e. do _not_ define it
fi
else
AC_DEFINE([PACK_REAL_TO_COMPLEX], [1], [In some kernels pack real to complex])
fi
if test x"${enable_openmp}" = x"yes"; then
AX_ELPA_OPENMP
if test "$ac_cv_prog_fc_openmp" = unsupported; then
AC_MSG_ERROR([Could not compile a Fortran program with OpenMP, adjust FCFLAGS])
fi
FCFLAGS="$OPENMP_FCFLAGS $FCFLAGS"
fi
#AC_LANG_POP([Fortran])
want_mpi_launcher="no"
AC_MSG_CHECKING(whether mpi-launcher should be detected automatically)
AC_ARG_ENABLE(detect-mpi-launcher,
[AS_HELP_STRING([--enable-detect-mpi-launcher (default: enabled)],
[automatically detect mpi launcher])],
[want_mpi_launcher="$enableval"],
[want_mpi_launcher="yes"])
AC_MSG_RESULT([${want_mpi_launcher}])
AC_MSG_CHECKING(whether a specific MPI launcher should be used)
AC_ARG_ENABLE([mpi-launcher],
[AS_HELP_STRING([--enable-mpi-launcher=[[mpiexec|mpiexec.hydra|mpirun|srun]]],
[use specified MPI launcher])],
[if test x"$enableval" = x"mpiexec"; then
MPI_BINARY=mpiexec
use_mpi_launcher=yes
fi
if test x"$enableval" = x"mpiexec.hydra"; then
MPI_BINARY=mpiexec.hydra
use_mpi_launcher=yes
fi
if test x"$enableval" = x"mpirun"; then
MPI_BINARY=mpirun
use_mpi_launcher=yes
fi
if test x"$enableval" = x"srun"; then
MPI_BINARY=srun
use_mpi_launcher=yes
fi
if test x"$enableval" = x"yes"; then
AC_MSG_ERROR([Wrong value! Must be either "mpiexec" or "mpiexec.hydra" or "mpirun" or "srun"])
fi
if test x"$enableval" = x"no"; then
use_mpi_launcher=no
fi
],
[use_mpi_launcher=no])
AC_MSG_RESULT([${use_mpi_launcher}])
if test x"$want_mpi_launcher" = x"yes"; then
if test x"$use_mpi_launcher" = x"yes"; then
AC_MSG_ERROR([You cannot specify a MPI launcher and ask for automatic detection. Disable one or the other option ])
fi
fi
dnl check which MPI binray invokes a MPI job
if test x"$with_mpi" = x"yes"; then
if test x"$want_mpi_launcher" = x"yes"; then
AC_CHECK_PROGS([MPI_BINARY], [mpiexec.hydra mpiexec mpirun poe srun runjob aprun poe], [no])
if test x"$MPI_BINARY" = x"no"; then
AC_MSG_ERROR([Could not find either of the MPI binaries: mpiexec.hydra, mpiexec, mpirun, poe, runjob, srun, aprun])
fi
fi
fi
dnl build with the possibilty to redirect stdout and stderr
dnl per MPI task in a file
AC_MSG_CHECKING(whether stdout/stderr file redirect should be enabled)
AC_ARG_ENABLE([redirect],
[AS_HELP_STRING([--enable-redirect],
[for test programs, allow redirection of stdout/stderr per MPI taks in a file (useful for timing), default no.])],
[
if test x"$enableval" = x"yes"; then
enable_redirect=yes
else
enable_redirect=no
fi
],
[enable_redirect=no])
AC_MSG_RESULT([${enable_redirect}])
dnl check whether single precision is requested
AC_MSG_CHECKING(whether ELPA library should contain also single precision functions)
AC_ARG_ENABLE(single-precision,
[AS_HELP_STRING([--enable-single-precision],
[build with single precision (default: yes)])],
[want_single_precision="$enableval"],
[want_single_precision="yes"])
AC_MSG_RESULT([${want_single_precision}])
dnl redirect
if test x"${enable_redirect}" = x"yes"; then
AC_DEFINE([HAVE_REDIRECT], [1], [Redirect stdout and stderr of test programs per MPI tasks to a file])
fi
AM_CONDITIONAL([HAVE_REDIRECT],[test x"$enable_redirect" = x"yes"])
dnl build with ftimings support
AC_ARG_ENABLE([timings],
[AS_HELP_STRING([--disable-timings],
[more detailed timing, default yes])],
[
if test x"$enableval" = x"yes"; then
enable_timings=yes
else
enable_timings=no
fi
],
[enable_timings=yes])
if test x"${enable_timings}" = x"yes"; then
AC_DEFINE([HAVE_DETAILED_TIMINGS], [1], [Enable more timing])
fi
AM_CONDITIONAL([HAVE_DETAILED_TIMINGS], [test x"$enable_timings" = x"yes"])
AC_ARG_ENABLE([affinity-checking],
[AS_HELP_STRING([--disable-affinity-checking],
[allow ELPA to check process and threading affinity, default yes])],
[
if test x"$enableval" = x"yes"; then
enable_affinity_checking_=yes
else
enable_affinity_checking=no
fi
],
[enable_affinity_checking=yes])
if test x"${enable_affinity_checking}" = x"yes"; then
AC_DEFINE([HAVE_AFFINITY_CHECKING], [1], [Enable affinity checking])
fi
AM_CONDITIONAL([HAVE_AFFINITY_CHECKING], [test x"$enable_affinity_checking" = x"yes"])
dnl PAPI for ftimings
AC_LANG_PUSH([C])
AC_ARG_WITH([papi],
[AS_HELP_STRING([--with-papi],
[Use PAPI to also measure flop count in the detailed timing (--enable-timing), disabled by default])],
[
if test x"$withval" = x"yes"; then
with_papi=yes
else
with_papi=no
fi
],
[with_papi="no"])
if test x"${enable_timings}" = x"yes"; then
if test x"$with_papi" = x"yes" ; then
AC_SEARCH_LIBS([PAPI_library_init], [papi], [papi_found=yes], [papi_found=no])
if test x"$papi_found" = x"no" ; then
AC_MSG_ERROR(["Could not find usable PAPI installation, please install or adjust CFLAGS, LDFLAGS"])
fi
AC_DEFINE([HAVE_LIBPAPI], [1], [Use the PAPI library])
fi
fi
AC_LANG_POP([C])
dnl Likwid
AC_LANG_PUSH([Fortran])
AC_ARG_WITH([likwid],
[AS_HELP_STRING([--with-likwid=[[yes|no(default)|PATH]]],
[Use Likwid to measure performance in some parts of the library])],
[with_likwid="$withval"],
[with_likwid="no"])
if test x"$with_likwid" != x"no" ; then
if test -d $with_likwid/lib ; then
LDFLAGS="-L$with_likwid/lib $LDFLAGS"
fi
if test -d $with_likwid/lib64 ; then
LDFLAGS="-L$with_likwid/lib64 $LDFLAGS"
fi
if test -d $with_likwid/include ; then
FCFLAGS="-I$with_likwid/include $FCFLAGS"
fi
AC_SEARCH_LIBS([likwid_markerInit], [likwid], [liblikwid_found="yes"], [liblikwid_found="no"])
if test x"$liblikwid_found" = x"no" ; then
AC_MSG_ERROR([Could not find a usable likwid library, please adjust LDFLAGS])
fi
AC_MSG_CHECKING([whether we can use the likwid module in a Fortran program])
AC_COMPILE_IFELSE([
program foo
use likwid
implicit none
call likwid_markerInit()
call likwid_markerThreadInit()
call likwid_markerStartRegion("foobar")
call likwid_markerStopRegion("foobar")
call likwid_markerClose()
end
],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([Could not compile a Fortran program using the likwid module, adjust FCFLAGS])])
AC_DEFINE([HAVE_LIKWID], [1], [Use likwid])
fi
AC_LANG_POP([Fortran])
save_FCFLAGS=$FCFLAGS
save_LDFLAGS=$LDFLAGS
AC_ARG_VAR([SCALAPACK_LDFLAGS],[Extra LDFLAGS necessary to link a program with Scalapack])
AC_ARG_VAR([SCALAPACK_FCFLAGS],[Extra FCFLAGS necessary to compile a Fortran program with Scalapack])
FCFLAGS="$FCFLAGS $SCALAPACK_FCFLAGS"
LDFLAGS="$LDFLAGS $SCALAPACK_LDFLAGS"
dnl check whether fortran error_unit is defined
AC_MSG_CHECKING([whether Fortran module iso_fortran_env is available])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
program test_error_unit
use iso_fortran_env, only : error_unit
implicit none
write(error_unit,*) "error_unit is defined"
end program
])],
[can_use_iso_fortran_env=yes],
[can_use_iso_fortran_env=no]
)
AC_MSG_RESULT([${can_use_iso_fortran_env}])
if test x"${can_use_iso_fortran_env}" = x"yes" ; then
AC_DEFINE([HAVE_ISO_FORTRAN_ENV],[1],[can use module iso_fortran_env])
fi
dnl check whether one can link with specified MKL (desired method)
AC_MSG_CHECKING([whether we can compile a Fortran program using MKL])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
program test_mkl
use mkl_service
character*198 :: string
call mkl_get_version_string(string)
write(*,'(a)') string
end program
])],
[can_compile_with_mkl=yes],
[can_compile_with_mkl=no]
)
AC_MSG_RESULT([${can_compile_with_mkl}])
if test x"$can_compile_with_mkl" = x"yes" ; then
AC_MSG_CHECKING([whether we can link a Fortran program with MKL])
AC_LINK_IFELSE([AC_LANG_SOURCE([
program test_mkl
use mkl_service
character*198 :: string
call mkl_get_version_string(string)
write(*,'(a)') string
end program
])],
[have_mkl=yes],
[have_mkl=no]
)
AC_MSG_RESULT([${have_mkl}])
fi
#AC_LANG_POP([Fortran])
dnl if not mkl, check all the necessary individually
if test x"${have_mkl}" = x"yes" ; then
WITH_MKL=1
else
dnl first check blas
AC_SEARCH_LIBS([dgemm],[flexiblas openblas satlas blas],[have_blas=yes],[have_blas=no])
AC_MSG_CHECKING([whether we can link a program with a blas lib])
AC_MSG_RESULT([${have_blas}])
if test x"${have_blas}" = x"no" ; then
AC_MSG_ERROR([could not link with blas: specify path])
fi
dnl now lapack
AC_SEARCH_LIBS([dlarrv],[lapack],[have_lapack=yes],[have_lapack=no])
AC_MSG_CHECKING([whether we can link a program with a lapack lib])
AC_MSG_RESULT([${have_lapack}])
if test x"${have_lapack}" = x"no" ; then
AC_MSG_ERROR([could not link with lapack: specify path])
fi
if test x"${with_mpi}" = x"yes"; then
dnl test whether scalapack already contains blacs
scalapack_libs="mpiscalapack scalapack scalapack-openmpi"
old_LIBS="$LIBS"
for lib in ${scalapack_libs}; do
LIBS="-l${lib} ${old_LIBS}"
AC_MSG_CHECKING([whether -l${lib} already contains a BLACS implementation])
AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([blacs_gridinit])],[blacs_in_scalapack=yes],[blacs_in_scalapack=no])
AC_MSG_RESULT([${blacs_in_scalapack}])
if test x"${blacs_in_scalapack}" = x"yes"; then
break
fi
done
if test x"${blacs_in_scalapack}" = x"no"; then
LIBS="${old_LIBS}"
dnl Test for stand-alone blacs
AC_SEARCH_LIBS([bi_f77_init],[mpiblacsF77init],[],[],[-lmpiblacs])
dnl for debian
AC_SEARCH_LIBS([blacs_gridinit],[blacs-openmpi],[have_blacs=yes],[have_blacs=no],[-lblacsCinit-openmpi -lscalapack-openmpi])
if test x"${have_blacs}" = x"no"; then
unset ac_cv_search_blacs_gridinit
fi
AC_SEARCH_LIBS([blacs_gridinit],[mpiblacs blacs],[have_blacs=yes],[have_blacs=no])
if test x"${have_blacs}" = x"no"; then
AC_MSG_ERROR([No usable BLACS found. If installed in a non-standard place, please specify suitable LDFLAGS and FCFLAGS as arguments to configure])
fi
fi
AC_SEARCH_LIBS([pdtran],[$scalapack_libs],[have_scalapack=yes],[have_scalapack=no])
if test x"${have_scalapack}" = x"no" ; then
AC_MSG_ERROR([could not link with scalapack: specify path])
fi
fi
AC_LANG_PUSH([Fortran])
dnl check whether we can link alltogehter
AC_MSG_CHECKING([whether we can link a Fortran program with all blacs/scalapack])
AC_LINK_IFELSE([AC_LANG_SOURCE([
program dgemm_test
integer , parameter:: M = 4, N = 3, K = 2
real :: A(M,K), B(K,N), C(M,N)
call dgemm('N','N',M,N,K,1.0,A,M,B,K,0.0,C,M)
end program dgemm_test
])],
[can_link_with_blacs_scalapack=yes],
[can_link_with_blacs_scalapack=no]
)
AC_MSG_RESULT([${can_link_with_blacs_scalapack}])
if test x"${can_link_with_blacs_scalapack}" = x"yes" ; then
WITH_BLACS=1
else
AC_MSG_ERROR([We can neither link with MKL or another Scalpack. Please specify SCALAPACK_LDFLAGS and SCALAPACK_FCFLAGS!])
fi
fi
dnl important: reset them again!
FCFLAGS=$save_FCFLAGS
LDFLAGS=$save_LDFLAGS
dnl check for intrinsic fortran function of 2003 standard
AC_MSG_CHECKING([whether we can use the intrinsic Fortran function "get_environment_variable"])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
program test_get_environment
character(len=256) :: homedir
call get_environment_variable("HOME",homedir)
end program
])],
[fortran_can_check_environment=yes],
[fortran_can_check_environment=no]
)
AC_MSG_RESULT([${fortran_can_check_environment}])
if test x"${fortran_can_check_environment}" = x"yes" ; then
AC_DEFINE([HAVE_ENVIRONMENT_CHECKING],[1],[Fortran can query environment variables])
fi
AC_LANG_POP([Fortran])
dnl check whether BAND_TO_FULL_BLOCKING is set
AC_MSG_CHECKING(whether BAND_TO_FLULL_BLOCKING is requested)
AC_ARG_ENABLE(band-to-full-blocking,[AS_HELP_STRING([--disable-band-to-full-blocking],
[build ELPA2 with blocking in band_to_full (default: enabled)])],
[
if test x"$enableval" = x"yes"; then
enable_band_to_full_blocking=yes
else
enable_band_to_full_blocking=no
fi
],
[enable_band_to_full_blocking="yes"])
AC_MSG_RESULT([${enable_band_to_full_blocking}])
AM_CONDITIONAL([BAND_TO_FULL_BLOCKING],[test x"$enable_band_to_full_blocking" = x"yes"])
if test x"${enable_band_to_full_blocking}" = x"yes"; then
AC_DEFINE([BAND_TO_FULL_BLOCKING], [1], [use blocking in trans_ev_band_to_full])
fi
AC_ARG_WITH([cuda-path],[AS_HELP_STRING([--with-cuda-path=PATH],[prefix where CUDA is installed @<:@default=auto@:>@])],
[CUDA_INSTALL_PATH=$withval], [with_cuda=auto])
AC_ARG_WITH([cuda-sdk-path],[AS_HELP_STRING([--with-cuda-sdk-path=PATH],[prefix where CUDA SDK is installed @<:@default=auto@:>@])],
[CUDA_SDK_INSTALL_PATH=$withval],[with_cuda_sdk=auto])
dnl setup nvcc flags and use them in later tests
user_sets_nvidia_gpu_compute_capability="no"
AC_MSG_CHECKING(whether a Nvidia GPU compute capability is specified)
AC_ARG_WITH([NVIDIA-GPU-compute-capability],
[AS_HELP_STRING([--with-NVIDIA-GPU-compute-capability=VALUE],
[use compute capability VALUE for NVIDIA GPU version, default: "sm_35"])],
[user_sets_nvidia_gpu_compute_capability="yes"],[cuda_compute_capability="sm_35"])
AC_MSG_RESULT([${user_sets_nvidia_gpu_compute_capability}])
dnl sanity check whether compute capability setting by user is reasonable
if test x"${user_sets_nvidia_gpu_compute_capability}" = x"yes" ; then
dnl the user must set a value which starts with "sm_"
value=$(echo $withval | cut -c1-3)
if test x"${value}" = x"sm_" ; then
cuda_compute_capability=$withval
else
AC_MSG_ERROR([Unknown Nvidia GPU compute capability set: ${withval}])
fi
fi
nvidia_a100_support=no
if test x"$cuda_compute_capability" = x"sm_80" ; then
nvidia_a100_support=yes
AC_DEFINE([WITH_NVIDIA_GPU_SM80_COMPUTE_CAPABILITY],[1],[the NVIDIA GPU kernels for A100 can be used])
fi
AM_CONDITIONAL([WITH_NVIDIA_GPU_SM80_COMPUTE_CAPABILITY],[test x"${nvidia_a100_support}" = x"yes"])
AC_LANG_PUSH([Fortran])
dnl Test possibility of 'use mpi', if requested
if test x"${with_mpi}" = x"yes" ; then
AC_ARG_ENABLE([mpi-module],
AS_HELP_STRING([--disable-mpi-module],
[do not use the Fortran MPI module, get interfaces by 'include "mpif.h']),
[
if test x"$enableval" = x"yes"; then
enable_mpi_module=yes
else
enable_mpi_module=no
fi
],
[enable_mpi_module=yes])
if test x"${enable_mpi_module}" = x"yes" ; then
AC_MSG_CHECKING(whether Fortran mpi module can be used)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
program test_mpi_module
use mpi
real :: time
time = MPI_WTime()
end program
])],
[can_use_fortran_mpi_module=yes],
[can_use_fortran_mpi_module=no]
)
AC_MSG_RESULT([${can_use_fortran_mpi_module}])
if test x"${can_use_fortran_mpi_module}" = x"yes" ; then
AC_DEFINE([HAVE_MPI_MODULE],[1],[can use the Fortran mpi module])
else
AC_MSG_ERROR([Could not compile a Fortran program with an 'use mpi' statement. You can try again with --disable-mpi-module])
fi
fi
fi
if test x"$with_mpi" = x"yes" && test x"$enable_openmp" = x"yes"; then
AC_MSG_CHECKING(whether the threading support of the MPI library should be checked during RUNTIME)
AC_ARG_ENABLE([runtime-threading-support-checks],
AS_HELP_STRING([--disable-runtime-threading-support-checks],
[do not check at runtime the required threading support of the MPI library. DISABLE ONLY AT YOUR OWN RISK! (default: on)]),
[
if test x"$enableval" = x"yes"; then
enable_runtime_threading_support_checks=yes
else
enable_runtime_threading_support_checks=no
fi
],
[enable_runtime_threading_support_checks=yes])
AC_MSG_RESULT([${enable_runtime_threading_support_checks}])
if test x"${enable_runtime_threading_support_checks}" = x"yes" ; then
AC_DEFINE([THREADING_SUPPORT_CHECK],[1],[can check at runtime the threading support level of MPI])
fi
AC_MSG_CHECKING(whether ELPA is allowed to limit the number of OpenMP threads at runtime)
AC_ARG_ENABLE([allow-thread-limiting],
AS_HELP_STRING([--enable-allow-thread-limiting],
[do a runtime check whether threading support of the MPI library is sufficient. If not ELPA will limit the number of OpenMP threads to 1 during the run (default: enabled)]),
[
if test x"$enableval" = x"yes"; then
enable_allow_thread_limiting=yes
else
enable_allow_thread_limiting=no
fi
],
[enable_allow_thread_limiting=yes])
AC_MSG_RESULT([${enable_allow_thread_limiting}])
if test x"${enable_allow_thread_limiting}" = x"yes" ; then
AC_DEFINE([ALLOW_THREAD_LIMITING],[1],[ELPA can at runtime limit the number of OpenMP threads to 1 if needed])
fi
#consistency check
if test x"${enable_allow_thread_limiting}" = x"yes" && test x"${enable_runtime_threading_support_checks}" = x"no"; then
AC_MSG_ERROR([You cannot set --enable-allow-thread-limiting and --disable-runtime-threading-support-checks at the same time. Thread limiting needs runtime support checks!])
fi
if test x"${enable_allow_thread_limiting}" = x"no" && test x"${enable_runtime_threading_support_checks}" = x"yes"; then
AC_MSG_NOTICE([You set --disable-allow-thread-limiting and --enable-runtime-threading-support-checks. If ELPA detects during a run that])
AC_MSG_NOTICE([your MPI library does not provide a sufficient level of threading support, ELPA will only _print_ a warning and continue])
AC_MSG_NOTICE([This might lead to undefined behavior, includig wrong results])
fi
AC_ARG_WITH([threading-support-check-during-build],[AS_HELP_STRING([--with-threading-support-check-during-build],[Do checks at build time whether the MPI threading level support is sufficient. (default: on)])],
[
if test x"$withval" = x"yes"; then