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dnl--------------------------------------------------------------------------------
dnl
dnl This file is part of Code_Saturne, a general-purpose CFD tool.
dnl
dnl Copyright (C) 1998-2019 EDF S.A.
dnl
dnl This program is free software; you can redistribute it and/or modify it under
dnl the terms of the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any later
dnl version.
dnl
dnl This program is distributed in the hope that it will be useful, but WITHOUT
dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
dnl FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
dnl details.
dnl
dnl You should have received a copy of the GNU General Public License along with
dnl this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
dnl Street, Fifth Floor, Boston, MA 02110-1301, USA.
dnl
dnl--------------------------------------------------------------------------------
# CS_AC_TEST_BLAS([use_threads])
#----------------
# modifies or sets cs_have_blas, BLAS_CPPFLAGS, BLAS_LDFLAGS, and BLAS_LIBS
# depending on libraries found
AC_DEFUN([CS_AC_TEST_BLAS], [
cs_have_blas=no
AC_ARG_WITH(blas,
[AS_HELP_STRING([--with-blas=PATH],
[specify prefix directory for BLAS])],
[if test "x$withval" = "x"; then
with_blas=yes
fi],
[with_blas=no])
AC_ARG_WITH(blas-include,
[AS_HELP_STRING([--with-blas-include=PATH],
[specify directory for BLAS include files])],
[if test "x$with_blas" = "xcheck"; then
with_blas=yes
fi
BLAS_CPPFLAGS="-I$with_blas_include"],
[if test "x$with_blas" != "xno" -a "x$with_blas" != "xyes" \
-a "x$with_blas" != "xcheck"; then
BLAS_CPPFLAGS="-I$with_blas/include"
fi])
AC_ARG_WITH(blas-lib,
[AS_HELP_STRING([--with-blas-lib=PATH],
[specify directory for BLAS library])],
[if test "x$with_blas" = "xcheck"; then
with_blas=yes
fi
BLAS_LDFLAGS="-L$with_blas_lib"
# Add the libdir to the runpath as BLAS may not be libtoolized
BLASRUNPATH="-R$with_blas_lib"],
[if test "x$with_blas" != "xno" -a "x$with_blas" != "xyes" \
-a "x$with_blas" != "xcheck"; then
BLAS_LDFLAGS="-L$with_blas/lib"
# Add the libdir to the runpath as BLAS may not be libtoolized
BLASRUNPATH="-R$with_blas/lib"
fi])
AC_ARG_WITH(blas-type,
[AS_HELP_STRING([--with-blas-type=NAME],
[force ATLAS, ESSL, MKL, ...])])
AC_ARG_WITH(blas-libs,
[AS_HELP_STRING([--with-blas-libs=LIBS],
[specify BLAS libraries])])
if test "x$with_blas" != "xno" ; then
saved_CPPFLAGS="$CPPFLAGS"
saved_LDFLAGS="$LDFLAGS"
saved_LIBS="$LIBS"
# Add known paths and libraries for Blue Gene/Q if not given
# Test for IBM ESSL BLAS
if test "x$with_blas_type" = "x" -o "x$with_blas_type" = "xESSL" ; then
# Test compilation/header separately from link, as linking may require
# Fortran libraries, and header is for C. Test library (link) first,
# as header is only useful if library is present.
# First, check for header
CPPFLAGS="${CPPFLAGS} ${BLAS_CPPFLAGS}"
AC_MSG_CHECKING([for ESSL BLAS headers])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <essl.h>]],
[[ ddot(0, 0, 0, 0, 0); ]])],
[cs_have_essl_h=yes],
[cs_have_essl_h=no])
AC_MSG_RESULT($cs_have_essl_h)
if test "$cs_have_essl_h" = "yes"; then
AC_LANG_PUSH([Fortran])
if test "$1" = "yes" -o "x$with_blas_libs" = "x"; then # Threaded version ?
if test "x$cs_ibm_bg_type" = "xQ"; then
BLAS_LIBS="-lesslbg"
BLAS_LDFLAGS="-L$with_blas/lib64"
BLASRUNPATH="-R$with_blas/lib64"
else
BLAS_LIBS="-lesslsmp"
fi
LDFLAGS="${saved_LDFLAGS} ${BLAS_LDFLAGS}"
LIBS=" ${BLAS_LIBS} ${saved_LIBS}"
AC_MSG_CHECKING([for smp ESSL BLAS])
AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[[ call ddot(0, 0, 0, 0, 0) ]])],
[ AC_DEFINE([HAVE_ESSL], 1, [ESSL BLAS support])
cs_have_blas=yes; with_blas_type=ESSL ],
[cs_have_blas=no])
AC_MSG_RESULT($cs_have_blas)
fi
if test "$cs_have_blas" = "no" ; then # Test for non-threaded version
# or explicitely specified libs
if test "x$cs_ibm_bg_type" = "xQ" ; then
BLAS_LIBS="-lesslbg"
elif test "x$with_blas_libs" != "x" -a "x$with_blas_type" = "xESSL"; then
BLAS_LIBS="$with_blas_libs"
else
BLAS_LIBS="-lessl"
fi
LDFLAGS="${saved_LDFLAGS} ${BLAS_LDFLAGS}"
LIBS=" ${BLAS_LIBS} ${saved_LIBS}"
AC_MSG_CHECKING([for ESSL BLAS])
AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[[ call ddot(0, 0, 0, 0, 0) ]])],
[ AC_DEFINE([HAVE_ESSL], 1, [ESSL BLAS support])
cs_have_blas=yes; with_blas_type=ESSL ],
[cs_have_blas=no])
AC_MSG_RESULT($cs_have_blas)
fi
AC_LANG_POP([Fortran])
fi
fi
# Test for Intel MKL libraries
if test "x$with_blas_type" = "x" -o "x$with_blas_type" = "xMKL" ; then
if test "x$with_blas_lib" = "x" ; then
mkl_lib="$with_blas/lib"
if test `uname -m` = ia64 ; then
if test -d ${mkl_lib}/intel64 ; then
mkl_sub_lib="/intel64"
elif test -d ${mkl_lib}/64 ; then
mkl_sub_lib="/64"
fi
elif test `uname -m` = x86_64 ; then
if test -d ${mkl_lib}/intel64 ; then
mkl_sub_lib="/intel64"
elif test -d ${mkl_lib}/em64t ; then
mkl_sub_lib="/em64t"
fi
else
if test -d ${mkl_lib}/ia32 ; then
mkl_sub_lib="/ia32"
elif test -d ${mkl_lib}/32 ; then
mkl_sub_lib="/32"
fi
fi
fi
if test "x$with_blas_libs" = "x"; then
if test "x$with_blas_libs" != "x" -a "x$with_blas_type" = "xMKL"; then
BLAS_LIBS="$with_blas_libs"
elif test "x$enable_shared" = xyes ; then
if test "$1" = "yes" ; then # Threaded version ?
case `uname -m` in
*64)
BLAS_LIBS="-lmkl_intel_lp64 -lmkl_core -lmkl_intel_thread -lpthread -lm"
;;
*)
BLAS_LIBS="-lmkl_intel -lmkl_core -lmkl_intel_thread -lpthread -lm"
;;
esac
else
case `uname -m` in
*64)
BLAS_LIBS="-lmkl_intel_lp64 -lmkl_core -lmkl_sequential -lpthread -lm"
;;
*)
BLAS_LIBS="-lmkl_intel -lmkl_core -lmkl_sequential -lpthread -lm"
;;
esac
fi
else
if test "$1" = "yes" ; then # Threaded version ?
case `uname -m` in
*64)
BLAS_LIBS="-Wl,--start-group ${mkl_lib}${mkl_sub_lib}/libmkl_intel_lp64.a ${mkl_lib}${mkl_sub_lib}/libmkl_core.a ${mkl_lib}${mkl_sub_lib}/libmkl_intel_thread.a -Wl,--end-group -lpthread -lm"
;;
*)
BLAS_LIBS="-Wl,--start-group ${mkl_lib}${mkl_sub_lib}/libmkl_intel.a ${mkl_lib}${mkl_sub_lib}/libmkl_core.a ${mkl_lib}${mkl_sub_lib}/libmkl_intel_thread.a -Wl,--end-group -lpthread -lm"
;;
esac
else
case `uname -m` in
*64)
BLAS_LIBS="-Wl,--start-group ${mkl_lib}${mkl_sub_lib}/libmkl_intel_lp64.a ${mkl_lib}${mkl_sub_lib}/libmkl_core.a ${mkl_lib}${mkl_sub_lib}/libmkl_sequential.a -Wl,--end-group -lpthread -lm"
;;
*)
BLAS_LIBS="-Wl,--start-group ${mkl_lib}${mkl_sub_lib}/libmkl_intel.a ${mkl_lib}${mkl_sub_lib}/libmkl_core.a ${mkl_lib}${mkl_sub_lib}/libmkl_sequential.a -Wl,--end-group -lpthread -lm"
;;
esac
fi
fi
CPPFLAGS="${saved_CPPFLAGS} ${BLAS_CPPFLAGS}"
LDFLAGS="${saved_LDFLAGS} ${BLAS_LDFLAGS}${mkl_sub_lib}"
LIBS=" ${BLAS_LIBS} ${saved_LIBS}"
AC_MSG_CHECKING([for MKL libraries])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <mkl_cblas.h>]],
[[ cblas_ddot(0, 0, 0, 0, 0); ]])],
[ AC_DEFINE([HAVE_MKL], 1, [MKL libraries support])
cs_have_blas=yes; with_blas_type=MKL ],
[cs_have_blas=no])
AC_MSG_RESULT($cs_have_blas)
fi
if test "x$with_blas_type" = "xMKL" ; then
BLAS_LDFLAGS="${BLAS_LDFLAGS}${mkl_sub_lib}"
BLASRUNPATH="${BLASRUNPATH}${mkl_sub_lib}"
fi
unset mkl_sub_lib
fi
# Test for ATLAS BLAS
if test "x$with_blas_type" = "x" -o "x$with_blas_type" = "xATLAS" ; then
if test "$1" = "yes" -o "x$with_blas_libs" = "x"; then # Threaded version ?
BLAS_LIBS="-lptcblas -latlas -lpthread"
CPPFLAGS="${saved_CPPFLAGS} ${BLAS_CPPFLAGS}"
LDFLAGS="${saved_LDFLAGS} ${BLAS_LDFLAGS}"
LIBS=" ${BLAS_LIBS} ${saved_LIBS}"
AC_MSG_CHECKING([for threaded ATLAS BLAS])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <cblas.h>]],
[[ cblas_ddot(0, 0, 0, 0, 0); ]])],
[ AC_DEFINE([HAVE_ATLAS], 1, [ATLAS BLAS support])
cs_have_blas=yes; with_blas_type=ATLAS ],
[cs_have_blas=no])
AC_MSG_RESULT($cs_have_blas)
fi
if test "$cs_have_blas" = "no" ; then # Test for non-threaded version
# or explicitely specified libs second
if test "x$with_blas_libs" != "x" -a "x$with_blas_type" = "xATLAS"; then
BLAS_LIBS="$with_blas_libs"
else
BLAS_LIBS="-lcblas -latlas"
fi
CPPFLAGS="${saved_CPPFLAGS} ${BLAS_CPPFLAGS}"
LDFLAGS="${saved_LDFLAGS} ${BLAS_LDFLAGS}"
LIBS=" ${BLAS_LIBS} ${saved_LIBS}"
AC_MSG_CHECKING([for ATLAS BLAS])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <cblas.h>]],
[[ cblas_ddot(0, 0, 0, 0, 0); ]])],
[ AC_DEFINE([HAVE_ATLAS], 1, [ATLAS BLAS support])
cs_have_blas=yes; with_blas_type=ATLAS ],
[cs_have_blas=no])
AC_MSG_RESULT($cs_have_blas)
fi
fi
# Test for AMD ACML BLAS
if test "x$with_blas_type" = "x" -o "x$with_blas_type" = "xACML" ; then
if test "$1" = "yes" -o "x$with_blas_libs" = "x"; then # Threaded version ?
BLAS_LIBS="-lacml_mp"
CPPFLAGS="${saved_CPPFLAGS} ${BLAS_CPPFLAGS}"
LDFLAGS="${saved_LDFLAGS} ${BLAS_LDFLAGS}"
LIBS=" ${BLAS_LIBS} ${saved_LIBS}"
AC_MSG_CHECKING([for threaded ACML BLAS])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <acml.h>]],
[[ ddot(0, 0, 0, 0, 0); ]])],
[ AC_DEFINE([HAVE_ACML], 1, [ACML BLAS support])
cs_have_blas=yes; with_blas_type=ACML ],
[cs_have_blas=no])
AC_MSG_RESULT($cs_have_blas)
fi
if test "$cs_have_blas" = "no" ; then # Test for non-threaded version
# or explicitely specified libs second
if test "x$with_blas_libs" != "x" -a "x$with_blas_type" = "xACML"; then
BLAS_LIBS="$with_blas_libs"
else
BLAS_LIBS="-lacml"
fi
CPPFLAGS="${saved_CPPFLAGS} ${BLAS_CPPFLAGS}"
LDFLAGS="${saved_LDFLAGS} ${BLAS_LDFLAGS}"
LIBS=" ${BLAS_LIBS} ${saved_LIBS}"
AC_MSG_CHECKING([for ACML BLAS])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <acml.h>]],
[[ ddot(0, 0, 0, 0, 0); ]])],
[ AC_DEFINE([HAVE_ACML], 1, [ACML BLAS support])
cs_have_blas=yes; with_blas_type=ACML ],
[cs_have_blas=no])
AC_MSG_RESULT($cs_have_blas)
fi
fi
# Test for generic C BLAS
if test "x$with_blas_type" = "x" -o "x$with_blas_type" = "xBLAS" ; then
if test "x$with_blas_libs" != "x" ; then
BLAS_LIBS="$with_blas_libs"
else
BLAS_LIBS="-lblas"
fi
CPPFLAGS="${saved_CPPFLAGS} ${BLAS_CPPFLAGS}"
LDFLAGS="${saved_LDFLAGS} ${BLAS_LDFLAGS}"
LIBS=" ${BLAS_LIBS} ${saved_LIBS}"
AC_MSG_CHECKING([for legacy C BLAS])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <cblas.h>]],
[[ cblas_ddot(0, 0, 0, 0, 0); ]])],
[ AC_DEFINE([HAVE_CBLAS], 1, [C BLAS support])
cs_tmp_have_cblas=yes; with_blas_type=BLAS ],
[cs_tmp_have_cblas=no])
AC_MSG_RESULT($cs_tmp_have_cblas)
if test "x$cs_tmp_have_cblas" = "xyes"; then
cs_have_blas=yes
fi
fi
# Cleanup if no BLAS found
if test "x$cs_have_blas" != "xyes"; then
if test "x$with_blas" != "xcheck" ; then
AC_MSG_FAILURE([BLAS support is requested, but test for BLAS failed!])
else
AC_MSG_WARN([no BLAS support])
fi
BLAS_LIBS=""
fi
CPPFLAGS="$saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
LIBS="$saved_LIBS"
unset saved_CPPFLAGS
unset saved_LDFLAGS
unset saved_LIBS
fi
# ESSL requires Fortran to link, and MKL provides sparse matrix-vector
# operations (so it may be used by the Code_Saturne solver)
AM_CONDITIONAL(HAVE_ESSL, test x$with_blas_type = xESSL)
AM_CONDITIONAL(HAVE_MKL, test x$with_blas_type = xMKL)
AC_SUBST(cs_have_blas)
AC_SUBST(BLAS_CPPFLAGS)
AC_SUBST(BLAS_LDFLAGS)
AC_SUBST(BLAS_LIBS)
AC_SUBST(BLASRUNPATH)
])dnl
|
