X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fcheck-math-lib.m4;h=30bd2e4acc871603d45f7ffe6a4e9cd8ba81bb8e;hb=50933cccef270ca1f2d948700913830dba0b9a06;hp=313dace5fb49d871595b8f1a3b144e181967ef16;hpb=ca45caaa07c9e69f791a8e93199aeafa181e7572;p=gnulib.git

diff --git a/m4/check-math-lib.m4 b/m4/check-math-lib.m4
index 313dace5f..30bd2e4ac 100644
--- a/m4/check-math-lib.m4
+++ b/m4/check-math-lib.m4
@@ -1,5 +1,5 @@
-# check-math-lib.m4 serial 2
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# check-math-lib.m4 serial 3
+dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -17,13 +17,13 @@ AC_DEFUN([gl_CHECK_MATH_LIB], [
   $1=missing
   for libm in "" "-lm"; do
     LIBS="$save_LIBS $libm"
-    AC_TRY_LINK([
-       #ifndef __NO_MATH_INLINES
-       # define __NO_MATH_INLINES 1 /* for glibc */
-       #endif
-       #include <math.h>
-       double x;],
-      [$2],
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+         #ifndef __NO_MATH_INLINES
+         # define __NO_MATH_INLINES 1 /* for glibc */
+         #endif
+         #include <math.h>
+         double x;]],
+      [$2])],
       [$1=$libm
 break])
   done