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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_SCOTCH
#-----------------
# modifies or sets cs_have_scotch, SCOTCH_CPPFLAGS, SCOTCH_LDFLAGS, and SCOTCH_LIBS
# depending on libraries found
AC_DEFUN([CS_AC_TEST_SCOTCH], [
cs_have_ptscotch_header=no
cs_have_ptscotch=no
cs_have_scotch_header=no
cs_have_scotch=no
cs_scotch_ge_6=no
scotch_prefix=""
# Some recent Linux distributions require explicit exports
# of all symbols in libraries
cs_scotch_test_ladd=''
$CC -Xlinker --help | grep "no-as-needed" > /dev/null 2>&1
if test "$?" = "0" ; then
cs_scotch_test_ladd='-Wl,--no-as-needed '
fi
# Common library dependencies for PT-SCOTCH
cs_scotch_l0="-lm"
cs_scotch_l1="-lz -lm"
cs_scotch_l2="-lm -lpthread"
cs_scotch_l3="-lz -lm -lpthread"
cs_scotch_l4="-lm -lpthread -lrt"
cs_scotch_l5="-lz -lm -lpthread -lrt"
SCOTCH_LIBS_ADD=""
AC_ARG_WITH(scotch,
[AS_HELP_STRING([--with-scotch=PATH],
[specify prefix directory for SCOTCH])],
[if test "x$withval" = "x"; then
with_scotch=yes
fi],
[with_scotch=no])
AC_ARG_WITH(scotch-include,
[AS_HELP_STRING([--with-scotch-include=PATH],
[specify directory for SCOTCH include files])],
[if test "x$with_scotch" = "xcheck" -o "x$with_scotch" = "xno"; then
with_scotch=yes
fi
SCOTCH_CPPFLAGS="-I$with_scotch_include"],
[if test "x$with_scotch" != "xno" ; then
if test "x$with_scotch" != "xyes" \
-a "x$with_scotch" != "xcheck"; then
SCOTCH_CPPFLAGS="-I$with_scotch/include"
fi
fi])
AC_ARG_WITH(scotch-lib,
[AS_HELP_STRING([--with-scotch-lib=PATH],
[specify directory for SCOTCH library])],
[if test "x$with_scotch" = "xcheck" -o "x$with_scotch" = "xno"; then
with_scotch=yes
fi
SCOTCH_LDFLAGS="-L$with_scotch_lib"
# Add the libdir to the runpath as SCOTCH is not libtoolized
SCOTCHRUNPATH="-R$with_scotch_lib"],
[if test "x$with_scotch" != "xno" -a "x$with_scotch" != "xyes" \
-a "x$with_scotch" != "xcheck"; then
SCOTCH_LDFLAGS="-L$with_scotch/lib"
# Add the libdir to the runpath as SCOTCH is not libtoolized
SCOTCHRUNPATH="-R$with_scotch/lib"
fi])
if test "x$with_scotch" != "xno" ; then
saved_CPPFLAGS="$CPPFLAGS"
saved_LDFLAGS="$LDFLAGS"
saved_LIBS="$LIBS"
# Test for PT-SCOTCH first
# Check for ptscotch.h header
CPPFLAGS="$saved_CPPFLAGS $SCOTCH_CPPFLAGS $MPI_CPPFLAGS"
AC_CHECK_HEADERS([ptscotch.h],
[cs_have_ptscotch_header=yes],
[],
[#include <stdio.h>
#include <stdint.h>
#include <mpi.h>])
# Second test if scotch path not specified
if test "x$cs_have_ptscotch_header" = "xno" -a "$SCOTCH_CPPFLAGS" = "-I/usr/include" ; then
unset ac_cv_header_ptscotch_h
CPPFLAGS="$saved_CPPFLAGS -I/usr/include/scotch $MPI_CPPFLAGS"
AC_CHECK_HEADERS([ptscotch.h],
[cs_have_ptscotch_header=yes
SCOTCH_CPPFLAGS=-I/usr/include/scotch],
[],
[#include <stdio.h>
#include <stdint.h>
#include <mpi.h>])
fi
LDFLAGS="${LDFLAGS} ${SCOTCH_LDFLAGS} ${MPI_LDFLAGS}"
SCOTCH_LIBS="-lptscotch -lptscotcherr"
if test "x$cs_have_ptscotch_header" = "xyes" ; then
AC_MSG_CHECKING([for PT-SCOTCH])
# Check if SCOTCH version is 6 or 5, as libptscotch version 5.1.x includes libscotch,
# while version 6.0.x requires it.
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[#include <stdio.h>
#include <stdint.h>
#include <mpi.h>
#include <ptscotch.h>]],
[[#if SCOTCH_VERSION < 6
# error test for SCOTCH version 6 so assume 5.1
#endif
]])],
[cs_scotch_ge_6=yes
SCOTCH_LIBS="-lptscotch -lptscotcherr -lscotch -lscotcherr"],
[])
for cs_scotch_ladd in "$cs_scotch_l0" "$cs_scotch_l1" "$cs_scotch_l2" "$cs_scotch_l3" "$cs_scotch_l4" "$cs_scotch_l5"
do
if test "x$cs_have_ptscotch" = "xno" ; then
LIBS="${cs_scotch_test_ladd}${SCOTCH_LIBS} ${cs_scotch_ladd} ${MPI_LIBS} ${saved_LIBS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#include <stdio.h>
#include <stdint.h>
#include <mpi.h>
#include <ptscotch.h>]],
[[ SCOTCH_dgraphInit((void *)0, MPI_COMM_WORLD); ]])],
[cs_have_ptscotch=yes
cs_have_scotch=yes
SCOTCH_LIBS_ADD="${cs_scotch_ladd}"],
[cs_have_ptscotch=no])
fi
done
AC_MSG_RESULT($cs_have_ptscotch)
fi
# Test for SCOTCH second
if test "x$cs_have_ptscotch" = "xno"; then
# Check for scotch.h header
CPPFLAGS="$saved_CPPFLAGS $SCOTCH_CPPFLAGS"
AC_CHECK_HEADERS([scotch.h],
[cs_have_scotch_header=yes],
[],
[])
if test "x$cs_have_scotch_header" = "xno" ; then
unset ac_cv_header_scotch_h
SCOTCH_CPPFLAGS="$saved_CPPFLAGS -I/usr/include/scotch"
CPPFLAGS="$saved_CPPFLAGS $SCOTCH_CPPFLAGS"
AC_CHECK_HEADERS([scotch.h],
[cs_have_scotch_header=yes],
[],
[])
fi
LDFLAGS="${saved_LDFLAGS} ${SCOTCH_LDFLAGS}"
SCOTCH_LIBS="-lscotch -lscotcherr"
AC_MSG_CHECKING([for SCOTCH])
for cs_scotch_ladd in "$cs_scotch_l0" "$cs_scotch_l1" "$cs_scotch_l2" "$cs_scotch_l3" "$cs_scotch_l4" "$cs_scotch_l5"
do
if test "x$cs_have_scotch" = "xno" ; then
LIBS="${cs_scotch_test_ladd}${SCOTCH_LIBS} ${cs_scotch_ladd} ${saved_LIBS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#include <stdio.h>
#include <stdint.h>
#include <scotch.h>]],
[[ SCOTCH_graphInit((void *)0); ]])],
[cs_have_scotch=yes
SCOTCH_LIBS_ADD="${cs_scotch_ladd}"],
[cs_have_scotch=no])
fi
done
fi
# libptscotcherr / libscotcherr functions in cs_partition.c, so do not use these libraries
if test "x$cs_have_ptscotch" = "xyes"; then
AC_DEFINE([HAVE_PTSCOTCH], 1, [use SCOTCH])
if test "x$cs_scotch_ge_6" = "xyes" ; then
SCOTCH_LIBS="-lptscotch -lscotch ${SCOTCH_LIBS_ADD}"
else
SCOTCH_LIBS="-lptscotch ${SCOTCH_LIBS_ADD}"
fi
elif test "x$cs_have_scotch" = "xyes"; then
AC_DEFINE([HAVE_SCOTCH], 1, [use SCOTCH])
SCOTCH_LIBS="-lscotch ${SCOTCH_LIBS_ADD}"
else
SCOTCH_CPPFLAGS=""
SCOTCH_LDFLAGS=""
SCOTCH_LIBS=""
fi
# Report PT-SCOTCH/SCOTCH support
#------------------------
if test "x$cs_have_ptscotch" = "xno" -a "x$cs_have_scotch" = "xno" ; then
if test "x$with_scotch" != "xcheck" ; then
AC_MSG_FAILURE([PT-SCOTCH/SCOTCH support is requested, but test for SCOTCH failed!])
else
AC_MSG_WARN([no PT-SCOTCH/SCOTCH partitioner support])
fi
fi
CPPFLAGS="$saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
LIBS="$saved_LIBS"
case $host_os in
mingw32)
scotch_prefix=`cygpath --path --windows "$with_scotch"`;;
*)
;;
esac
fi
unset saved_CPPFLAGS
unset saved_LDFLAGS
unset saved_LIBS
unset cs_have_ptscotch_header
unset cs_have_scotch_header
unset cs_scotch_ge_6
unset cs_scotch_l0
unset cs_scotch_l1
unset cs_scotch_l2
unset cs_scotch_l3
unset cs_scotch_l4
unset cs_scotch_l5
AC_SUBST(cs_have_scotch)
AC_SUBST(scotch_prefix, [${scotch_prefix}])
AC_SUBST(SCOTCH_CPPFLAGS)
AC_SUBST(SCOTCH_LDFLAGS)
AC_SUBST(SCOTCH_LIBS)
AC_SUBST(SCOTCHRUNPATH)
])dnl
|
