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Diffstat (limited to 'config/isl.m4')
| -rw-r--r-- | config/isl.m4 | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/config/isl.m4 b/config/isl.m4 new file mode 100644 index 0000000..4f39724 --- /dev/null +++ b/config/isl.m4 @@ -0,0 +1,163 @@ +# 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, + [AS_HELP_STRING( + [--with-isl=PATH], + [Specify prefix directory for the installed ISL package. + Equivalent to --with-isl-include=PATH/include + plus --with-isl-lib=PATH/lib])]) + 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 + + isllibs="${isllibs} -lisl" + + dnl Flags needed for ISL + AC_SUBST(isllibs) + AC_SUBST(islinc) +] +) + +# ISL_REQUESTED (ACTION-IF-REQUESTED, ACTION-IF-NOT) +# ---------------------------------------------------- +# Provide actions for failed ISL detection. +AC_DEFUN([ISL_REQUESTED], +[ + AC_REQUIRE([ISL_INIT_FLAGS]) + + if test "x${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 +] +) |