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dnl--------------------------------------------------------------------------------
dnl
dnl This file is part of Code_Saturne, a general-purpose CFD tool.
dnl
dnl Copyright (C) 1998-2021 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_METIS
#-----------------
# modifies or sets cs_have_metis, METIS_CPPFLAGS, METIS_LDFLAGS, and METIS_LIBS
# depending on libraries found
AC_DEFUN([CS_AC_TEST_METIS], [
cs_have_parmetis=no
cs_have_metis=no
metis_prefix=""
AC_ARG_WITH(metis,
[AS_HELP_STRING([--with-metis=PATH],
[specify prefix directory for METIS])],
[if test "x$withval" = "x"; then
with_metis=yes
elif test "x$withval" = "xsalome"; then
if test -z "$METISDIR"; then
AC_MSG_FAILURE([no SALOME path information for METIS (needed by --with-metis=salome)!])
else
with_metis=$METISDIR
fi
fi],
[with_metis=no])
AC_ARG_WITH(metis-include,
[AS_HELP_STRING([--with-metis-include=PATH],
[specify directory for METIS include files])],
[if test "x$with_metis" = "xcheck" -o "x$with_metis" = "xno"; then
with_metis=yes
fi
METIS_CPPFLAGS="-I$with_metis_include"],
[if test "x$with_metis" != "xno" ; then
if test "x$with_metis" != "xyes" \
-a "x$with_metis" != "xcheck"; then
METIS_CPPFLAGS="-I$with_metis/include"
fi
fi])
AC_ARG_WITH(metis-lib,
[AS_HELP_STRING([--with-metis-lib=PATH],
[specify directory for METIS library])],
[if test "x$with_metis" = "xcheck" -o "x$with_metis" = "xno"; then
with_metis=yes
fi
METIS_LDFLAGS="-L$with_metis_lib"
# Add the libdir to the runpath as METIS is not libtoolized
METISRUNPATH="-R$with_metis_lib"],
[if test "x$with_metis" != "xno" -a "x$with_metis" != "xyes" \
-a "x$with_metis" != "xcheck"; then
METIS_LDFLAGS="-L$with_metis/lib"
# Add the libdir to the runpath as METIS is not libtoolized
METISRUNPATH="-R$with_metis/lib"
fi])
if test "x$with_metis" != "xno" ; then
saved_CPPFLAGS="$CPPFLAGS"
saved_LDFLAGS="$LDFLAGS"
saved_LIBS="$LIBS"
CPPFLAGS="${CPPFLAGS} ${METIS_CPPFLAGS} ${MPI_CPPFLAGS}"
LDFLAGS="${LDFLAGS} ${METIS_LDFLAGS} ${MPI_LDFLAGS}"
METIS_LIBS="-lparmetis -lmetis -lm"
LIBS="${METIS_LIBS} ${MPI_LIBS} ${LIBS}"
# Test for ParMetis first
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#include <stdio.h>
#include <mpi.h>
#include <parmetis.h>]],
[[#if PARMETIS_MAJOR_VERSION < 4
# error ParMETIS 4.0 or above required.
#endif
MPI_Comm comm = MPI_COMM_WORLD;
ParMETIS_V3_PartKway((void *)0, (void *)0, (void *)0, (void *)0,
(void *)0, (void *)0, (void *)0, (void *)0, (void *)0,
(void *)0, (void *)0, (void *)0, (void *)0, (void *)0,
&comm); ]])],
[cs_have_parmetis=yes
cs_have_metis=yes],
[cs_have_parmetis=no])
# Test for METIS second
if test "x$cs_have_parmetis" = "xno"; then
METIS_LIBS="-lmetis -lm"
CPPFLAGS="${saved_CPPFLAGS} ${METIS_CPPFLAGS}"
LDFLAGS="${saved_LDFLAGS} ${METIS_LDFLAGS}"
LIBS="${METIS_LIBS} ${savedLIBS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#include <stdio.h>
#include <metis.h>]],
[[#if METIS_VER_MAJOR < 5
# error METIS 5.0 or above required.
#endif
METIS_PartGraphKway((void *)0, (void *)0, (void *)0,
(void *)0, (void *)0, (void *)0, (void *)0,
(void *)0, (void *)0, (void *)0, (void *)0,
(void *)0, (void *)0); ]])],
[cs_have_metis=yes],
[cs_have_metis=no])
if test "x$cs_have_metis" = "xno"; then
METIS_CPPFLAGS=""
METIS_LDFLAGS=""
METIS_LIBS=""
fi
fi
CPPFLAGS="$saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
LIBS="$saved_LIBS"
case $host_os in
mingw64)
metis_prefix=`cygpath --path --windows "$with_metis"`;;
*)
;;
esac
fi
unset saved_CPPFLAGS
unset saved_LDFLAGS
unset saved_LIBS
if test "x$cs_have_parmetis" = "xyes"; then
AC_DEFINE([HAVE_PARMETIS], 1, [use ParMetis])
elif test "x$cs_have_metis" = "xyes"; then
AC_DEFINE([HAVE_METIS], 1, [use METIS])
else
METIS_CPPFLAGS=""
METIS_LDFLAGS=""
METIS_LIBS=""
fi
AC_SUBST(cs_have_metis)
AC_SUBST(metis_prefix, [${metis_prefix}])
AC_SUBST(METIS_CPPFLAGS)
AC_SUBST(METIS_LDFLAGS)
AC_SUBST(METIS_LIBS)
AC_SUBST(METISRUNPATH)
])dnl
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