From 562fb2da84e5b9e65a8279f5bae893236035a212 Mon Sep 17 00:00:00 2001 From: Thorsten Kukuk Date: Fri, 28 Jul 2006 13:12:36 +0000 Subject: Relevant BUGIDs: Purpose of commit: bugfix Commit summary: --------------- Update to gettext 0.15 to support new autoconf: 2006-07-28 Thorsten Kukuk * ABOUT-NLS: Upgrade to gettext-0.15. * config.rpath: Likewise. * m4/gettext.m4: Upgrade to gettext-0.15. * m4/inttypes-h.m4: New file, from gettext-0.15. * m4/inttypes-pri.m4: Upgrade to gettext-0.15. * m4/lib-link.m4: Upgrade to gettext-0.15. * m4/lib-prefix.m4: Upgrade to gettext-0.15. * m4/lock.m4: New file, from gettext-0.15. * m4/longdouble.m4: Upgrade to gettext-0.15. * m4/nls.m4: Upgrade to gettext-0.15. * m4/po.m4: Upgrade to gettext-0.15. * m4/size_max.m4: Upgrade to gettext-0.15. * m4/visibility.m4: New file, from gettext-0.15. * po/Makefile.in.in: Upgrade to gettext-0.15. --- m4/visibility.m4 | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 m4/visibility.m4 (limited to 'm4/visibility.m4') diff --git a/m4/visibility.m4 b/m4/visibility.m4 new file mode 100644 index 00000000..2ff6330a --- /dev/null +++ b/m4/visibility.m4 @@ -0,0 +1,52 @@ +# visibility.m4 serial 1 (gettext-0.15) +dnl Copyright (C) 2005 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. + +dnl From Bruno Haible. + +dnl Tests whether the compiler supports the command-line option +dnl -fvisibility=hidden and the function and variable attributes +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 Does *not* test for __visibility__("internal") - which has processor +dnl dependent semantics. +dnl Does *not* test for #pragma GCC visibility push(hidden) - which is +dnl "really only recommended for legacy code". +dnl Set the variable CFLAG_VISIBILITY. +dnl Defines and sets the variable HAVE_VISIBILITY. + +AC_DEFUN([gl_VISIBILITY], +[ + AC_REQUIRE([AC_PROG_CC]) + CFLAG_VISIBILITY= + HAVE_VISIBILITY=0 + if test -n "$GCC"; then + AC_MSG_CHECKING([for simple visibility declarations]) + AC_CACHE_VAL(gl_cv_cc_visibility, [ + gl_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -fvisibility=hidden" + AC_TRY_COMPILE( + [extern __attribute__((__visibility__("hidden"))) int hiddenvar; + extern __attribute__((__visibility__("default"))) int exportedvar; + extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void); + extern __attribute__((__visibility__("default"))) int exportedfunc (void);], + [], + gl_cv_cc_visibility=yes, + gl_cv_cc_visibility=no) + CFLAGS="$gl_save_CFLAGS"]) + AC_MSG_RESULT([$gl_cv_cc_visibility]) + if test $gl_cv_cc_visibility = yes; then + CFLAG_VISIBILITY="-fvisibility=hidden" + HAVE_VISIBILITY=1 + fi + fi + AC_SUBST([CFLAG_VISIBILITY]) + AC_SUBST([HAVE_VISIBILITY]) + AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY], + [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.]) +]) -- cgit v1.2.3