From 6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:38:56 +0200 Subject: Adding upstream version 5.2.15. Signed-off-by: Daniel Baumann --- m4/intl-thread-locale.m4 | 183 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 183 insertions(+) create mode 100644 m4/intl-thread-locale.m4 (limited to 'm4/intl-thread-locale.m4') diff --git a/m4/intl-thread-locale.m4 b/m4/intl-thread-locale.m4 new file mode 100644 index 0000000..3ecba86 --- /dev/null +++ b/m4/intl-thread-locale.m4 @@ -0,0 +1,183 @@ +# intl-thread-locale.m4 serial 4 +dnl Copyright (C) 2015-2019 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 +dnl This file can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Check how to retrieve the name of a per-thread locale (POSIX locale_t). +dnl Sets gt_nameless_locales. +AC_DEFUN([gt_INTL_THREAD_LOCALE_NAME], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + dnl Persuade Solaris to define 'locale_t'. + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + dnl Test whether uselocale() exists and works at all. + gt_FUNC_USELOCALE + + dnl On OpenBSD >= 6.2, the locale_t type and the uselocale(), newlocale(), + dnl duplocale(), freelocale() functions exist but are effectively useless, + dnl because the locale_t value depends only on the LC_CTYPE category of the + dnl locale and furthermore contains only one bit of information (it + dnl distinguishes the "C" locale from the *.UTF-8 locales). See + dnl . + dnl In the setlocale() implementation they have thought about the programs + dnl that use the API ("Even though only LC_CTYPE has any effect in the + dnl OpenBSD base system, store complete information about the global locale, + dnl such that third-party software can access it"), but for uselocale() + dnl they did not think about the programs. + dnl In this situation, even the HAVE_NAMELESS_LOCALES support does not work. + dnl So, define HAVE_FAKE_LOCALES and disable all locale_t support. + case "$gt_cv_func_uselocale_works" in + *yes) + AC_CHECK_HEADERS_ONCE([xlocale.h]) + AC_CACHE_CHECK([for fake locale system (OpenBSD)], + [gt_cv_locale_fake], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include +#if HAVE_XLOCALE_H +# include +#endif +int main () +{ + locale_t loc1, loc2; + if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL) return 1; + if (setlocale (LC_ALL, "fr_FR.UTF-8") == NULL) return 1; + loc1 = newlocale (LC_ALL_MASK, "de_DE.UTF-8", (locale_t)0); + loc2 = newlocale (LC_ALL_MASK, "fr_FR.UTF-8", (locale_t)0); + return !(loc1 == loc2); +}]])], + [gt_cv_locale_fake=yes], + [gt_cv_locale_fake=no], + [dnl Guess the locale system is fake only on OpenBSD. + case "$host_os" in + openbsd*) gt_cv_locale_fake="guessing yes" ;; + *) gt_cv_locale_fake="guessing no" ;; + esac + ]) + ]) + ;; + *) gt_cv_locale_fake=no ;; + esac + case "$gt_cv_locale_fake" in + *yes) + AC_DEFINE([HAVE_FAKE_LOCALES], [1], + [Define if the locale_t type contains insufficient information, as on OpenBSD.]) + ;; + esac + + case "$gt_cv_func_uselocale_works" in + *yes) + AC_CACHE_CHECK([for Solaris 11.4 locale system], + [gt_cv_locale_solaris114], + [case "$host_os" in + solaris*) + dnl Test whether defines locale_t as a typedef of + dnl 'struct _LC_locale_t **' (whereas Illumos defines it as a + dnl typedef of 'struct _locale *'). + dnl Another possible test would be to include + dnl and test whether it defines the _LC_core_data_locale_t type. + dnl This type was added in Solaris 11.4. + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #include + struct _LC_locale_t *x; + locale_t y; + ]], + [[*y = x;]])], + [gt_cv_locale_solaris114=yes], + [gt_cv_locale_solaris114=no]) + ;; + *) gt_cv_locale_solaris114=no ;; + esac + ]) + ;; + *) gt_cv_locale_solaris114=no ;; + esac + if test $gt_cv_locale_solaris114 = yes; then + AC_DEFINE([HAVE_SOLARIS114_LOCALES], [1], + [Define if the locale_t type is as on Solaris 11.4.]) + fi + + dnl Solaris 12 will maybe provide getlocalename_l. If it does, it will + dnl improve the implementation of gl_locale_name_thread(), by removing + dnl the use of undocumented structures. + case "$gt_cv_func_uselocale_works" in + *yes) + AC_CHECK_FUNCS([getlocalename_l]) + ;; + esac + + dnl This code is for future use, in case we some day have to port to a + dnl platform where the locale_t type does not provide access to the name of + dnl each locale category. This code has the drawback that it requires the + dnl gnulib overrides of 'newlocale', 'duplocale', 'freelocale', which is a + dnl problem for GNU libunistring. Therefore try hard to avoid enabling this + dnl code! + gt_nameless_locales=no + if false; then + gt_nameless_locales=yes + AC_DEFINE([HAVE_NAMELESS_LOCALES], [1], + [Define if the locale_t type does not contain the name of each locale category.]) + fi +]) + +dnl Tests whether uselocale() exists and is usable. +dnl Sets gt_cv_func_uselocale_works. Defines HAVE_WORKING_USELOCALE. +AC_DEFUN([gt_FUNC_USELOCALE], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + dnl Persuade Solaris to define 'locale_t'. + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_FUNCS_ONCE([uselocale]) + + dnl On AIX 7.2, the uselocale() function is not documented and leads to + dnl crashes in subsequent setlocale() invocations. + if test $ac_cv_func_uselocale = yes; then + AC_CHECK_HEADERS_ONCE([xlocale.h]) + AC_CACHE_CHECK([whether uselocale works], + [gt_cv_func_uselocale_works], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include +#if HAVE_XLOCALE_H +# include +#endif +int main () +{ + uselocale (NULL); + setlocale (LC_ALL, "en_US.UTF-8"); + return 0; +}]])], + [gt_cv_func_uselocale_works=yes], + [gt_cv_func_uselocale_works=no], + [# Guess no on AIX, yes otherwise. + case "$host_os" in + aix*) gt_cv_func_uselocale_works="guessing no" ;; + *) gt_cv_func_uselocale_works="guessing yes" ;; + esac + ]) + ]) + else + gt_cv_func_uselocale_works=no + fi + case "$gt_cv_func_uselocale_works" in + *yes) + AC_DEFINE([HAVE_WORKING_USELOCALE], [1], + [Define if the uselocale function exists any may safely be called.]) + ;; + esac +]) -- cgit v1.2.3