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1 | # This file is part of GCC. |
2 | # | |
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 | |
6 | # version. | |
7 | # | |
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 | |
11 | # for more details. | |
12 | # | |
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/>. | |
16 | # | |
17 | # Contributed by Richard Guenther <rguenther@suse.de> | |
18 | # Based on cloog.m4 | |
19 | ||
20 | # ISL_INIT_FLAGS () | |
21 | # ------------------------- | |
22 | # Provide configure switches for ISL support. | |
23 | # Initialize isllibs/islinc according to the user input. | |
24 | AC_DEFUN([ISL_INIT_FLAGS], | |
25 | [ | |
7ec59b9e L |
26 | AC_ARG_WITH([isl-include], |
27 | [AS_HELP_STRING( | |
28 | [--with-isl-include=PATH], | |
29 | [Specify directory for installed ISL include files])]) | |
30 | AC_ARG_WITH([isl-lib], | |
31 | [AS_HELP_STRING( | |
32 | [--with-isl-lib=PATH], | |
33 | [Specify the directory for the installed ISL library])]) | |
34 | ||
35 | AC_ARG_ENABLE(isl-version-check, | |
36 | [AS_HELP_STRING( | |
37 | [--disable-isl-version-check], | |
38 | [disable check for ISL version])], | |
39 | ENABLE_ISL_CHECK=$enableval, | |
40 | ENABLE_ISL_CHECK=yes) | |
41 | ||
42 | # Initialize isllibs and islinc. | |
43 | case $with_isl in | |
44 | no) | |
45 | isllibs= | |
46 | islinc= | |
47 | ;; | |
48 | "" | yes) | |
49 | ;; | |
50 | *) | |
51 | isllibs="-L$with_isl/lib" | |
52 | islinc="-I$with_isl/include" | |
53 | ;; | |
54 | esac | |
55 | if test "x${with_isl_include}" != x ; then | |
56 | islinc="-I$with_isl_include" | |
57 | fi | |
58 | if test "x${with_isl_lib}" != x; then | |
59 | isllibs="-L$with_isl_lib" | |
60 | fi | |
61 | dnl If no --with-isl flag was specified and there is in-tree ISL | |
62 | dnl source, set up flags to use that and skip any version tests | |
63 | dnl as we cannot run them before building ISL. | |
64 | if test "x${islinc}" = x && test "x${isllibs}" = x \ | |
65 | && test -d ${srcdir}/isl; then | |
66 | isllibs='-L$$r/$(HOST_SUBDIR)/isl/'"$lt_cv_objdir"' ' | |
67 | islinc='-I$$r/$(HOST_SUBDIR)/isl/include -I$$s/isl/include' | |
68 | ENABLE_ISL_CHECK=no | |
3a98824c | 69 | AC_MSG_WARN([using in-tree ISL, disabling version check]) |
7ec59b9e | 70 | fi |
7ec59b9e L |
71 | ] |
72 | ) | |
73 | ||
74 | # ISL_REQUESTED (ACTION-IF-REQUESTED, ACTION-IF-NOT) | |
75 | # ---------------------------------------------------- | |
76 | # Provide actions for failed ISL detection. | |
77 | AC_DEFUN([ISL_REQUESTED], | |
78 | [ | |
79 | AC_REQUIRE([ISL_INIT_FLAGS]) | |
80 | ||
81 | if test "x${with_isl}" = xno; then | |
82 | $2 | |
83 | elif test "x${with_isl}" != x \ | |
84 | || test "x${with_isl_include}" != x \ | |
85 | || test "x${with_isl_lib}" != x ; then | |
86 | $1 | |
87 | else | |
88 | $2 | |
89 | fi | |
90 | ] | |
91 | ) | |
92 | ||
93 | # _ISL_CHECK_CT_PROG(MAJOR, MINOR) | |
94 | # -------------------------------------------- | |
95 | # Helper for verifying ISL compile time version. | |
96 | m4_define([_ISL_CHECK_CT_PROG],[AC_LANG_PROGRAM( | |
97 | [#include <isl/version.h> | |
98 | #include <string.h>], | |
99 | [if (strncmp (isl_version (), "isl-$1.$2", strlen ("isl-$1.$2")) != 0) | |
100 | return 1; | |
101 | ])]) | |
102 | ||
103 | # ISL_CHECK_VERSION ISL_CHECK_VERSION (MAJOR, MINOR) | |
104 | # ---------------------------------------------------------------- | |
105 | # Test the found ISL to be exact of version MAJOR.MINOR and at least | |
106 | # REVISION. | |
107 | AC_DEFUN([ISL_CHECK_VERSION], | |
108 | [ | |
109 | if test "${ENABLE_ISL_CHECK}" = yes ; then | |
110 | _isl_saved_CFLAGS=$CFLAGS | |
111 | _isl_saved_LDFLAGS=$LDFLAGS | |
112 | _isl_saved_LIBS=$LIBS | |
113 | ||
114 | CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}" | |
115 | LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}" | |
116 | LIBS="${_isl_saved_LIBS} -lisl" | |
7ec59b9e | 117 | |
3a98824c AM |
118 | AC_MSG_CHECKING([for version $1.$2 of ISL]) |
119 | AC_RUN_IFELSE([_ISL_CHECK_CT_PROG($1,$2)], | |
7ec59b9e L |
120 | [gcc_cv_isl=yes], |
121 | [gcc_cv_isl=no], | |
3a98824c AM |
122 | [gcc_cv_isl=yes]) |
123 | AC_MSG_RESULT([$gcc_cv_isl]) | |
7ec59b9e L |
124 | |
125 | CFLAGS=$_isl_saved_CFLAGS | |
126 | LDFLAGS=$_isl_saved_LDFLAGS | |
127 | LIBS=$_isl_saved_LIBS | |
128 | fi | |
129 | ] | |
130 | ) | |
131 | ||
132 | # ISL_IF_FAILED (ACTION-IF-FAILED) | |
133 | # ---------------------------------- | |
134 | # Executes ACTION-IF-FAILED, if GRAPHITE was requested and | |
135 | # the checks failed. | |
136 | AC_DEFUN([ISL_IF_FAILED], | |
137 | [ | |
138 | ISL_REQUESTED([graphite_requested=yes], [graphite_requested=no]) | |
139 | ||
140 | if test "${gcc_cv_isl}" = no ; then | |
141 | isllibs= | |
142 | islinc= | |
143 | fi | |
144 | ||
145 | if test "${graphite_requested}" = yes \ | |
146 | && test "x${isllibs}" = x \ | |
147 | && test "x${islinc}" = x ; then | |
148 | $1 | |
149 | fi | |
150 | ] | |
151 | ) |