Update visibility

diff --git a/m4/visibility.m4 b/m4/visibility.m4
index 077c4765ec2252f796d90b8848ef199860b7789d..75c34b6e151f04f7793e65b96e2f208eb3f7dd6e 100644 (file)
--- a/m4/visibility.m4
+++ b/m4/visibility.m4
@@ -1,5 +1,5 @@
-# visibility.m4 serial 3 (gettext-0.18)
-dnl Copyright (C) 2005, 2008-2010 Free Software Foundation, Inc.
+# visibility.m4 serial 4 (gettext-0.18.2)
+dnl Copyright (C) 2005, 2008, 2010-2011 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.
@@ -33,7 +33,8 @@ AC_DEFUN([gl_VISIBILITY],
     AC_CACHE_VAL([gl_cv_cc_vis_werror], [
       gl_save_CFLAGS="$CFLAGS"
       CFLAGS="$CFLAGS -Werror"
-      AC_TRY_COMPILE([], [],
+      AC_COMPILE_IFELSE(
+        [AC_LANG_PROGRAM([[]], [[]])],
         [gl_cv_cc_vis_werror=yes],
         [gl_cv_cc_vis_werror=no])
       CFLAGS="$gl_save_CFLAGS"])
@@ -51,13 +52,15 @@ AC_DEFUN([gl_VISIBILITY],
       if test $gl_cv_cc_vis_werror = yes; then
         CFLAGS="$CFLAGS -Werror"
       fi
-      AC_TRY_COMPILE(
-        [extern __attribute__((__visibility__("hidden"))) int hiddenvar;
-         extern __attribute__((__visibility__("default"))) int exportedvar;
-         extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
-         extern __attribute__((__visibility__("default"))) int exportedfunc (void);
-         void dummyfunc (void) {}],
-        [],
+      AC_COMPILE_IFELSE(
+        [AC_LANG_PROGRAM(
+           [[extern __attribute__((__visibility__("hidden"))) int hiddenvar;
+             extern __attribute__((__visibility__("default"))) int exportedvar;
+             extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
+             extern __attribute__((__visibility__("default"))) int exportedfunc (void);
+             void dummyfunc (void) {}
+           ]],
+           [[]])],
         [gl_cv_cc_visibility=yes],
         [gl_cv_cc_visibility=no])
       CFLAGS="$gl_save_CFLAGS"])