1 # This file is part of GCC.
3 # GCC is free software; you can redistribute it and/or modify it under
4 # the terms of the GNU General Public License as published by the Free
5 # Software Foundation; either version 3, or (at your option) any later
8 # GCC is distributed in the hope that it will be useful, but WITHOUT
9 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 # You should have received a copy of the GNU General Public License
14 # along with GCC; see the file COPYING3. If not see
15 # <http://www.gnu.org/licenses/>.
17 # Contributed by Richard Guenther <rguenther@suse.de>
21 # -------------------------
22 # Provide configure switches for ISL support.
23 # Initialize isllibs/islinc according to the user input.
24 AC_DEFUN([ISL_INIT_FLAGS],
29 [Specify prefix directory for the installed ISL package.
30 Equivalent to --with-isl-include=PATH/include
31 plus --with-isl-lib=PATH/lib])])
32 AC_ARG_WITH([isl-include],
34 [--with-isl-include=PATH],
35 [Specify directory for installed ISL include files])])
36 AC_ARG_WITH([isl-lib],
38 [--with-isl-lib=PATH],
39 [Specify the directory for the installed ISL library])])
41 AC_ARG_ENABLE(isl-version-check,
43 [--disable-isl-version-check],
44 [disable check for ISL version])],
45 ENABLE_ISL_CHECK=$enableval,
48 # Initialize isllibs and islinc.
57 isllibs="-L$with_isl/lib"
58 islinc="-I$with_isl/include"
61 if test "x${with_isl_include}" != x ; then
62 islinc="-I$with_isl_include"
64 if test "x${with_isl_lib}" != x; then
65 isllibs="-L$with_isl_lib"
67 dnl If no --with-isl flag was specified and there is in-tree ISL
68 dnl source, set up flags to use that and skip any version tests
69 dnl as we cannot run them before building ISL.
70 if test "x${islinc}" = x && test "x${isllibs}" = x \
71 && test -d ${srcdir}/isl; then
72 isllibs='-L$$r/$(HOST_SUBDIR)/isl/'"$lt_cv_objdir"' '
73 islinc='-I$$r/$(HOST_SUBDIR)/isl/include -I$$s/isl/include'
77 isllibs="${isllibs} -lisl"
79 dnl Flags needed for ISL
85 # ISL_REQUESTED (ACTION-IF-REQUESTED, ACTION-IF-NOT)
86 # ----------------------------------------------------
87 # Provide actions for failed ISL detection.
88 AC_DEFUN([ISL_REQUESTED],
90 AC_REQUIRE([ISL_INIT_FLAGS])
92 if test "x${with_isl}" = xno; then
94 elif test "x${with_isl}" != x \
95 || test "x${with_isl_include}" != x \
96 || test "x${with_isl_lib}" != x ; then
104 # _ISL_CHECK_CT_PROG(MAJOR, MINOR)
105 # --------------------------------------------
106 # Helper for verifying ISL compile time version.
107 m4_define([_ISL_CHECK_CT_PROG],[AC_LANG_PROGRAM(
108 [#include <isl/version.h>
109 #include <string.h>],
110 [if (strncmp (isl_version (), "isl-$1.$2", strlen ("isl-$1.$2")) != 0)
114 # ISL_CHECK_VERSION ISL_CHECK_VERSION (MAJOR, MINOR)
115 # ----------------------------------------------------------------
116 # Test the found ISL to be exact of version MAJOR.MINOR and at least
118 AC_DEFUN([ISL_CHECK_VERSION],
120 if test "${ENABLE_ISL_CHECK}" = yes ; then
121 _isl_saved_CFLAGS=$CFLAGS
122 _isl_saved_LDFLAGS=$LDFLAGS
123 _isl_saved_LIBS=$LIBS
125 CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}"
126 LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}"
127 LIBS="${_isl_saved_LIBS} -lisl"
130 AC_CACHE_CHECK([for version $1.$2 of ISL],
132 [AC_RUN_IFELSE([_ISL_CHECK_CT_PROG($1,$2)],
137 CFLAGS=$_isl_saved_CFLAGS
138 LDFLAGS=$_isl_saved_LDFLAGS
139 LIBS=$_isl_saved_LIBS
144 # ISL_IF_FAILED (ACTION-IF-FAILED)
145 # ----------------------------------
146 # Executes ACTION-IF-FAILED, if GRAPHITE was requested and
148 AC_DEFUN([ISL_IF_FAILED],
150 ISL_REQUESTED([graphite_requested=yes], [graphite_requested=no])
152 if test "${gcc_cv_isl}" = no ; then
157 if test "${graphite_requested}" = yes \
158 && test "x${isllibs}" = x \
159 && test "x${islinc}" = x ; then