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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_trilinos_base.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_TRILINOS_BASE([, MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
#
# DESCRIPTION
#
# Test for the Trilinos (http://trilinos.sandia.gov/) libraries.
#
# Provides a --with-trilinos=DIR option. Searches --with-trilinos,
# $TRILINOS_HOME, and the usual places for Trilinos installation headers.
#
# Requires that a development branch or released version greater than
# MINIMUM-VERSION be found. If not specified, the default minimum version
# is 8.0.0.
#
# Supports separately specifying --with-trilinos-include or
# --with-trilinos-libdir to override default locations underneath either
# --with-trilinos or $TRILINOS_HOME.
#
# On success, adds -Ipath to CPPFLAGS, -Lpath to LDFLAGS, sets the
# variable TRILINOS_INCLUDE based on the discovered location of
# Trilinos_version.h, and #defines HAVE_TRILINOS. When ACTION-IF-NOT-FOUND
# is not specified, the default behavior is for configure to fail.
#
# LICENSE
#
# Copyright (c) 2009 Rhys Ulerich <rhys.ulerich@gmail.com>
# Copyright (c) 2009 Thomas Porschberg <thomas@randspringer.de>
# Copyright (c) 2009 Caolan McNamara <caolan@skynet.ie>
# Copyright (c) 2009 Alexandre Duret-Lutz <adl@gnu.org>
# Copyright (c) 2009 Matthew Mueller <donut@azstarnet.com>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 10
AC_DEFUN([AX_TRILINOS_BASE],
[
AC_REQUIRE([AX_TRILINOS_ABSOLUTE_HEADER])
AC_ARG_VAR(TRILINOS_HOME,[root directory of Trilinos installation])
AC_ARG_WITH(trilinos, [AS_HELP_STRING([--with-trilinos[=DIR]],[root directory of Trilinos installation])],[
with_trilinos=$withval
if test "${with_trilinos}" != yes; then
TRILINOS_HOME=$withval
trilinos_include="$withval/include"
trilinos_libdir="$withval/lib"
fi
],[
with_trilinos=$withval
if test "x${TRILINOS_HOME}" != "x"; then
trilinos_include="${TRILINOS_HOME}/include"
trilinos_libdir="${TRILINOS_HOME}/lib"
fi
])
AC_ARG_WITH(trilinos-include,
[AS_HELP_STRING([--with-trilinos-include=DIR],[specify exact directory for Trilinos headers])],[
if test -d "$withval"; then
trilinos_include="$withval"
else
AC_MSG_ERROR([--with-trilinos-include expected directory name])
fi
])
AC_ARG_WITH(trilinos-libdir, [AS_HELP_STRING([--with-trilinos-libdir=DIR],[specify exact directory for Trilinos libraries])],[
if test -d "$withval"; then
trilinos_libdir="$withval"
else
AC_MSG_ERROR([--with-trilinos-libdir expected directory name])
fi
])
if test "${with_trilinos}" != no ; then
OLD_LIBS=$LIBS
OLD_LDFLAGS=$LDFLAGS
OLD_CPPFLAGS=$CPPFLAGS
if test -d "${trilinos_libdir}" ; then
LDFLAGS="-L${trilinos_libdir} $LDFLAGS"
fi
if test -d "${trilinos_include}" ; then
CPPFLAGS="-I${trilinos_include} $CPPFLAGS"
fi
succeeded=no
AC_CHECK_HEADER([Trilinos_version.h],[found_header=yes],[found_header=no])
if test "$found_header" = yes; then
dnl Patterned after AX_BOOST_BASE
trilinos_lib_version_req=ifelse([$1],,8.0.0,$1)
trilinos_lib_version_req_shorten=`expr $trilinos_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
trilinos_lib_version_req_major=`expr $trilinos_lib_version_req : '\([[0-9]]*\)'`
trilinos_lib_version_req_minor=`expr $trilinos_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
trilinos_lib_version_req_sub_minor=`expr $trilinos_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
if test "x$trilinos_lib_version_req_sub_minor" = "x" ; then
trilinos_lib_version_req_sub_minor="0"
fi
WANT_TRILINOS_VERSION=`expr $trilinos_lib_version_req_major \* 10000 \+ $trilinos_lib_version_req_minor \* 100 \+ $trilinos_lib_version_req_sub_minor`
AC_LANG_PUSH([C++])
AC_MSG_CHECKING(for Trilinos release >= $trilinos_lib_version_req)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <Trilinos_version.h>
]], [[
#if (TRILINOS_MAJOR_VERSION == 0)
/* Development branch has zero major version. A-OK. */
#elif (TRILINOS_MAJOR_MINOR_VERSION >= $WANT_TRILINOS_VERSION)
/* Stable release of appropriate version. A-OK. */
#else
# error Trilinos version is too old
#endif
]])],[
AC_MSG_RESULT(yes)
succeeded=yes
],[
AC_MSG_RESULT(no)
])
AC_LANG_POP([C++])
fi
if test "$succeeded" = no; then
LIBS=$OLD_LIBS
LDFLAGS=$OLD_LDFLAGS
CPPFLAGS=$OLD_CPPFLAGS
ifelse([$3],,AC_MSG_ERROR([Trilinos not found. Try either --with-trilinos or setting TRILINOS_HOME.]),
[$3])
else
dnl Find the absolute path to Trilinos_version.h
dnl We need it to back out the discovered TRILINOS_INCLUDE directory.
AX_TRILINOS_ABSOLUTE_HEADER([Trilinos_version.h])
TRILINOS_INCLUDE=`AS_DIRNAME([$ax_cv_absolute_Trilinos_version_h])`
AC_DEFINE(HAVE_TRILINOS,1,[Define if Trilinos is available])
AC_SUBST(TRILINOS_INCLUDE)
ifelse([$2],,,[$2])
fi
fi
])
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