diff options
Diffstat (limited to 'gl/m4/visibility.m4')
| -rw-r--r-- | gl/m4/visibility.m4 | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/gl/m4/visibility.m4 b/gl/m4/visibility.m4 index 077c4765..6cbd7e5f 100644 --- a/gl/m4/visibility.m4 +++ b/gl/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 5 (gettext-0.18.2) +dnl Copyright (C) 2005, 2008, 2010-2013 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. @@ -12,7 +12,7 @@ dnl __attribute__((__visibility__("hidden"))) and dnl __attribute__((__visibility__("default"))). dnl Does *not* test for __visibility__("protected") - which has tricky dnl semantics (see the 'vismain' test in glibc) and does not exist e.g. on -dnl MacOS X. +dnl Mac OS X. dnl Does *not* test for __visibility__("internal") - which has processor dnl dependent semantics. dnl Does *not* test for #pragma GCC visibility push(hidden) - which is @@ -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"]) |