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| author | rofl0r <retnyg@gmx.net> | 2017-03-08 18:40:57 +0000 |
|---|---|---|
| committer | rofl0r <retnyg@gmx.net> | 2017-03-08 18:40:57 +0000 |
| commit | 20c249161b323849a0b9a567848d79cacb57932c (patch) | |
| tree | 25471e39a881427e0cbedc61673a09375381f23c /m4/visibility.m4 | |
| parent | 9fc556306f159f80eb26628a3b47fd1b40a87207 (diff) | |
| download | gettext-tiny-20c249161b323849a0b9a567848d79cacb57932c.tar.gz | |
add latest m4 files from gnulib
gnulib git, rev 4084b3a git://git.sv.gnu.org/gnulib.git
gnulib git seems to be original source this stuff comes from.
had to update because the existing m4 files had some incompatibility
with latest gnu autotools when trying to build nano from git.
Diffstat (limited to 'm4/visibility.m4')
| -rw-r--r-- | m4/visibility.m4 | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/m4/visibility.m4 b/m4/visibility.m4 index 077c476..ce00e72 100644 --- 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 5 (gettext-0.18.2) +dnl Copyright (C) 2005, 2008, 2010-2017 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"]) |