# 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 ] )