X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=autoconf%2Fm4%2Flink_use_r.m4;h=30c964e25971ac031466a11c36c1b38694bca982;hb=4eaac9b181d5a32e6c9135f7af00861b9fb88240;hp=09493042f1ce4883587d273439918d64d888e05c;hpb=12de17db02dca026fea1e2aee57ebdca97784292;p=oota-llvm.git

diff --git a/autoconf/m4/link_use_r.m4 b/autoconf/m4/link_use_r.m4
index 09493042f1c..30c964e2597 100644
--- a/autoconf/m4/link_use_r.m4
+++ b/autoconf/m4/link_use_r.m4
@@ -4,19 +4,16 @@
 # This macro is specific to LLVM.
 #
 AC_DEFUN([AC_LINK_USE_R],
-[
-  AC_MSG_CHECKING([for compiler -Wl,-R<path> option])
-  AC_LANG_PUSH([C])
+[AC_CACHE_CHECK([for compiler -Wl,-R<path> option],[llvm_cv_link_use_r],
+[ AC_LANG_PUSH([C])
   oldcflags="$CFLAGS"
   CFLAGS="$CFLAGS -Wl,-R."
-  AC_LINK_IFELSE([int main() { return 0; }],[ac_cv_link_use_r=yes],[ac_cv_link_use_r=no])
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[int main() { return 0; }]])],
+    [llvm_cv_link_use_r=yes],[llvm_cv_link_use_r=no])
   CFLAGS="$oldcflags"
   AC_LANG_POP([C])
-  AC_MSG_RESULT($ac_cv_link_use_r)
-  if test "$ac_cv_link_use_r" = yes
-  then
-    AC_DEFINE([HAVE_LINK_R],[1],[Define if you can use -Wl,-R. to pass -R. to the linker, in order to add the current directory to the dynamic linker search path.])
+])
+if test "$llvm_cv_link_use_r" = yes ; then
+  AC_DEFINE([HAVE_LINK_R],[1],[Define if you can use -Wl,-R. to pass -R. to the linker, in order to add the current directory to the dynamic linker search path.])
   fi
 ])
-
-