check functionality of isl version 0.12

[thirdparty/gcc.git] / config / isl.m4

diff --git a/config/isl.m4 b/config/isl.m4
index 57ae3c5f740625f04d2ba028bd59ded1fc7f8852..0eece37bc9a5bd2ffb51b51e9800bc1479a4bce7 100644 (file)
--- a/config/isl.m4
+++ b/config/isl.m4
@@ -93,20 +93,9 @@ AC_DEFUN([ISL_REQUESTED],
 ]
 )
 
-# _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.$2")) != 0)
-     return 1;
-   ])])
-
-# ISL_CHECK_VERSION ISL_CHECK_VERSION (MAJOR, MINOR)
+# ISL_CHECK_VERSION ISL_CHECK_VERSION ()
 # ----------------------------------------------------------------
-# Test the found ISL to be exact of version MAJOR.MINOR and at least
-# REVISION.
+# Test that ISL contains functionality added to the minimum expected version.
 AC_DEFUN([ISL_CHECK_VERSION],
 [
   if test "${ENABLE_ISL_CHECK}" = yes ; then
@@ -118,15 +107,10 @@ AC_DEFUN([ISL_CHECK_VERSION],
     LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}"
     LIBS="${_isl_saved_LIBS} -lisl"
 
-    AC_MSG_CHECKING([for version $1.$2 of ISL])
-    AC_RUN_IFELSE([_ISL_CHECK_CT_PROG($1,$2)],
+    AC_MSG_CHECKING([for compatible ISL])
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <isl/val.h>]], [[;]])],
        [gcc_cv_isl=yes],
-       [gcc_cv_isl=no],
-       [
-         AC_LINK_IFELSE([_ISL_CHECK_CT_PROG($1,$2)],
-             [gcc_cv_isl=yes],
-             [gcc_cv_isl=no])
-       ])
+       [gcc_cv_isl=no])
     AC_MSG_RESULT([$gcc_cv_isl])
 
     CFLAGS=$_isl_saved_CFLAGS