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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_PETSC
#----------------
# modifies or sets cs_have_petsc, PETSC_CPPFLAGS, PETSC_LDFLAGS, and PETSC_LIBS
# depending on libraries found
AC_DEFUN([CS_AC_TEST_PETSC], [
cs_have_petsc=no
cs_have_petsc_header=no
petsc_prefix=""
cs_abs_srcdir=`cd $srcdir && pwd`
AC_ARG_WITH(petsc,
[AS_HELP_STRING([--with-petsc=PATH],
[specify prefix directory for PETSc])],
[if test "x$withval" = "x"; then
with_petsc=no
fi],
[with_petsc=no])
AC_ARG_WITH(petsc-lib,
[AS_HELP_STRING([--with-petsc-lib=PATH],
[specify directory for PETSc library])],
[if test "x$with_petsc" != "xno"; then
with_petsc=yes saved_LIBS="$LIBS"
fi
PETSC_DIR="$with_petsc_lib/petsc"],
[if test "x$with_petsc" != "xno" -a "x$with_petsc" != "xyes" \
-a "x$with_petsc" != "xcheck"; then
PETSC_DIR="$with_petsc/lib/petsc"
fi])
if test "x$with_petsc" != "xno" ; then
if test -f ${PETSC_DIR}/conf/variables ; then
PETSC_CPPFLAGS=$(make -s -f "$cs_abs_srcdir/build-aux/petsc-variables.makefile" PETSC_DIR="${PETSC_DIR}" getincludedirs)
PETSC_LDFLAGS=""
PETSC_LIBS=$(make -s -f "$cs_abs_srcdir/build-aux/petsc-variables.makefile" PETSC_DIR="${PETSC_DIR}" getlinklibs)
elif test -f ${PETSC_DIR}/conf/petscvariables ; then
PETSC_CPPFLAGS=$(make -s -f "$cs_abs_srcdir/build-aux/petsc-petscvariables.makefile" PETSC_DIR="${PETSC_DIR}" getincludedirs)
PETSC_LDFLAGS=""
PETSC_LIBS=$(make -s -f "$cs_abs_srcdir/build-aux/petsc-petscvariables.makefile" PETSC_DIR="${PETSC_DIR}" getlinklibs)
else
AC_MSG_FAILURE([${PETSC_DIR}/conf/variables or ${PETSC_DIR}/conf/petscvariables not found.
Check --with-petsc or --with-petsc-lib option or PETSc directory structure
({--with-petsc}/lib/conf/variables or {--with-petsc_lib}/conf/variables or
{--with-petsc}/lib/conf/petscvariables or {--with-petsc_lib}/conf/petscvariables
should be present).])
fi
saved_CPPFLAGS="$CPPFLAGS"
saved_LDFLAGS="$LDFLAGS"
saved_LIBS="$LIBS"
CPPFLAGS="${CPPFLAGS} ${PETSC_CPPFLAGS}"
LDFLAGS="${LDFLAGS}"
LIBS="${LIBS} ${PETSC_LIBS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#include <petscsys.h>]],
[[PetscInitializeNoArguments();]])
],
[ AC_DEFINE([HAVE_PETSC], 1, [PETSc support])
cs_have_petsc=yes
],
[ AC_MSG_WARN([no PETSc support])
cs_have_petsc=no
],
)
if test "x$cs_have_petsc" = "xno"; then
PETSC_CPPFLAGS=""
PETSC_LDFLAGS=""
PETSC_LIBS=""
fi
CPPFLAGS="$saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
LIBS="$saved_LIBS"
unset saved_CPPFLAGS
unset saved_LDFLAGS
unset saved_LIBS
fi
AM_CONDITIONAL(HAVE_PETSC, test x$cs_have_petsc = xyes)
AC_SUBST(cs_have_petsc)
AC_SUBST(PETSC_CPPFLAGS)
AC_SUBST(PETSC_LDFLAGS)
AC_SUBST(PETSC_LIBS)
])dnl
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