Mercurial > gnulib
view m4/langinfo_h.m4 @ 39226:c67645792a3d
langinfo, nl_langinfo: Add support for alternative month names.
* m4/langinfo_h.m4 (gl_LANGINFO_H): Define HAVE_LANGINFO_ALTMON.
* lib/langinfo.in.h (ALTMON_1...ALTMON_12): New macros.
* lib/nl_langinfo.c (rpl_nl_langinfo): Treat ALTMON_i like MON_i.
* tests/test-nl_langinfo.c (main): Test ALTMON_*.
* doc/posix-headers/langinfo.texi: Document support of ALTMON_*.
* doc/posix-functions/nl_langinfo.texi: Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Wed, 24 Jan 2018 10:02:17 +0100 |
parents | 24e347e0e326 |
children | b06060465f09 |
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# langinfo_h.m4 serial 8 dnl Copyright (C) 2009-2018 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. AC_DEFUN([gl_LANGINFO_H], [ AC_REQUIRE([gl_LANGINFO_H_DEFAULTS]) dnl Persuade glibc-2.0.6 <langinfo.h> to define CODESET. AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) dnl <langinfo.h> is always overridden, because of GNULIB_POSIXCHECK. gl_CHECK_NEXT_HEADERS([langinfo.h]) dnl Determine whether <langinfo.h> exists. It is missing on mingw and BeOS. HAVE_LANGINFO_CODESET=0 HAVE_LANGINFO_T_FMT_AMPM=0 HAVE_LANGINFO_ALTMON=0 HAVE_LANGINFO_ERA=0 HAVE_LANGINFO_YESEXPR=0 AC_CHECK_HEADERS_ONCE([langinfo.h]) if test $ac_cv_header_langinfo_h = yes; then HAVE_LANGINFO_H=1 dnl Determine what <langinfo.h> defines. CODESET and ERA etc. are missing dnl on OpenBSD 3.8. T_FMT_AMPM and YESEXPR, NOEXPR are missing on IRIX 5.3. dnl ALTMON_* are missing on glibc 2.26 and many other systems. AC_CACHE_CHECK([whether langinfo.h defines CODESET], [gl_cv_header_langinfo_codeset], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include <langinfo.h> int a = CODESET; ]])], [gl_cv_header_langinfo_codeset=yes], [gl_cv_header_langinfo_codeset=no]) ]) if test $gl_cv_header_langinfo_codeset = yes; then HAVE_LANGINFO_CODESET=1 fi AC_CACHE_CHECK([whether langinfo.h defines T_FMT_AMPM], [gl_cv_header_langinfo_t_fmt_ampm], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include <langinfo.h> int a = T_FMT_AMPM; ]])], [gl_cv_header_langinfo_t_fmt_ampm=yes], [gl_cv_header_langinfo_t_fmt_ampm=no]) ]) if test $gl_cv_header_langinfo_t_fmt_ampm = yes; then HAVE_LANGINFO_T_FMT_AMPM=1 fi AC_CACHE_CHECK([whether langinfo.h defines ALTMON_1], [gl_cv_header_langinfo_altmon], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include <langinfo.h> int a = ALTMON_1; ]])], [gl_cv_header_langinfo_altmon=yes], [gl_cv_header_langinfo_altmon=no]) ]) if test $gl_cv_header_langinfo_altmon = yes; then HAVE_LANGINFO_ALTMON=1 fi AC_CACHE_CHECK([whether langinfo.h defines ERA], [gl_cv_header_langinfo_era], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include <langinfo.h> int a = ERA; ]])], [gl_cv_header_langinfo_era=yes], [gl_cv_header_langinfo_era=no]) ]) if test $gl_cv_header_langinfo_era = yes; then HAVE_LANGINFO_ERA=1 fi AC_CACHE_CHECK([whether langinfo.h defines YESEXPR], [gl_cv_header_langinfo_yesexpr], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include <langinfo.h> int a = YESEXPR; ]])], [gl_cv_header_langinfo_yesexpr=yes], [gl_cv_header_langinfo_yesexpr=no]) ]) if test $gl_cv_header_langinfo_yesexpr = yes; then HAVE_LANGINFO_YESEXPR=1 fi else HAVE_LANGINFO_H=0 fi AC_SUBST([HAVE_LANGINFO_H]) AC_SUBST([HAVE_LANGINFO_CODESET]) AC_SUBST([HAVE_LANGINFO_T_FMT_AMPM]) AC_SUBST([HAVE_LANGINFO_ALTMON]) AC_SUBST([HAVE_LANGINFO_ERA]) AC_SUBST([HAVE_LANGINFO_YESEXPR]) dnl Check for declarations of anything we want to poison if the dnl corresponding gnulib module is not in use. gl_WARN_ON_USE_PREPARE([[#include <langinfo.h> ]], [nl_langinfo]) ]) AC_DEFUN([gl_LANGINFO_MODULE_INDICATOR], [ dnl Use AC_REQUIRE here, so that the default settings are expanded once only. AC_REQUIRE([gl_LANGINFO_H_DEFAULTS]) gl_MODULE_INDICATOR_SET_VARIABLE([$1]) dnl Define it also as a C macro, for the benefit of the unit tests. gl_MODULE_INDICATOR_FOR_TESTS([$1]) ]) AC_DEFUN([gl_LANGINFO_H_DEFAULTS], [ GNULIB_NL_LANGINFO=0; AC_SUBST([GNULIB_NL_LANGINFO]) dnl Assume proper GNU behavior unless another module says otherwise. HAVE_NL_LANGINFO=1; AC_SUBST([HAVE_NL_LANGINFO]) REPLACE_NL_LANGINFO=0; AC_SUBST([REPLACE_NL_LANGINFO]) ])