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# This file is part of GCC.
#
# GCC is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3, or (at your option) any later
# version.
#
# GCC is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
#
# Contributed by Richard Guenther <rguenther@suse.de>
# Based on cloog.m4
# ISL_INIT_FLAGS ()
# -------------------------
# Provide configure switches for ISL support.
# Initialize isllibs/islinc according to the user input.
AC_DEFUN([ISL_INIT_FLAGS],
[
AC_ARG_WITH([isl-include],
[AS_HELP_STRING(
[--with-isl-include=PATH],
[Specify directory for installed ISL include files])])
AC_ARG_WITH([isl-lib],
[AS_HELP_STRING(
[--with-isl-lib=PATH],
[Specify the directory for the installed ISL library])])
AC_ARG_ENABLE(isl-version-check,
[AS_HELP_STRING(
[--disable-isl-version-check],
[disable check for ISL version])],
ENABLE_ISL_CHECK=$enableval,
ENABLE_ISL_CHECK=yes)
# Initialize isllibs and islinc.
case $with_isl in
no)
isllibs=
islinc=
;;
"" | yes)
;;
*)
isllibs="-L$with_isl/lib"
islinc="-I$with_isl/include"
;;
esac
if test "x${with_isl_include}" != x ; then
islinc="-I$with_isl_include"
fi
if test "x${with_isl_lib}" != x; then
isllibs="-L$with_isl_lib"
fi
dnl If no --with-isl flag was specified and there is in-tree ISL
dnl source, set up flags to use that and skip any version tests
dnl as we cannot run them before building ISL.
if test "x${islinc}" = x && test "x${isllibs}" = x \
&& test -d ${srcdir}/isl; then
isllibs='-L$$r/$(HOST_SUBDIR)/isl/'"$lt_cv_objdir"' '
islinc='-I$$r/$(HOST_SUBDIR)/isl/include -I$$s/isl/include'
ENABLE_ISL_CHECK=no
fi
]
)
# ISL_REQUESTED (ACTION-IF-REQUESTED, ACTION-IF-NOT)
# ----------------------------------------------------
# Provide actions for failed ISL detection.
AC_DEFUN([ISL_REQUESTED],
[
AC_REQUIRE([ISL_INIT_FLAGS])
if test "x${with_isl}" = xno; then
$2
elif test "x${with_isl}" != x \
|| test "x${with_isl_include}" != x \
|| test "x${with_isl_lib}" != x ; then
$1
else
$2
fi
]
)
# _ISL_CHECK_CT_PROG(MAJOR, MINOR)
# --------------------------------------------
# Helper for verifying ISL compile time version.
m4_define([_ISL_CHECK_CT_PROG],[AC_LANG_PROGRAM(
[#include <isl/version.h>
#include <string.h>],
[if (strncmp (isl_version (), "isl-$1.$2", strlen ("isl-$1.$2")) != 0)
return 1;
])])
# ISL_CHECK_VERSION ISL_CHECK_VERSION (MAJOR, MINOR)
# ----------------------------------------------------------------
# Test the found ISL to be exact of version MAJOR.MINOR and at least
# REVISION.
AC_DEFUN([ISL_CHECK_VERSION],
[
if test "${ENABLE_ISL_CHECK}" = yes ; then
_isl_saved_CFLAGS=$CFLAGS
_isl_saved_LDFLAGS=$LDFLAGS
_isl_saved_LIBS=$LIBS
CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}"
LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}"
LIBS="${_isl_saved_LIBS} -lisl"
echo $CFLAGS
AC_CACHE_CHECK([for version $1.$2 of ISL],
[gcc_cv_isl],
[AC_RUN_IFELSE([_ISL_CHECK_CT_PROG($1,$2)],
[gcc_cv_isl=yes],
[gcc_cv_isl=no],
[gcc_cv_isl=yes])])
CFLAGS=$_isl_saved_CFLAGS
LDFLAGS=$_isl_saved_LDFLAGS
LIBS=$_isl_saved_LIBS
fi
]
)
# ISL_IF_FAILED (ACTION-IF-FAILED)
# ----------------------------------
# Executes ACTION-IF-FAILED, if GRAPHITE was requested and
# the checks failed.
AC_DEFUN([ISL_IF_FAILED],
[
ISL_REQUESTED([graphite_requested=yes], [graphite_requested=no])
if test "${gcc_cv_isl}" = no ; then
isllibs=
islinc=
fi
if test "${graphite_requested}" = yes \
&& test "x${isllibs}" = x \
&& test "x${islinc}" = x ; then
$1
fi
]
)
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