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# nl_langinfo.m4 serial 11
dnl Copyright (C) 2009-2023 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_FUNC_NL_LANGINFO],
[
AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])
AC_REQUIRE([gl_LANGINFO_H])
gl_CHECK_FUNCS_ANDROID([nl_langinfo], [[#include <langinfo.h>]])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([gl_FUNC_SETLOCALE_NULL])
AC_REQUIRE([gl_PTHREADLIB])
AC_CHECK_HEADERS_ONCE([threads.h])
if test $ac_cv_func_nl_langinfo = yes; then
# On Irix 6.5, YESEXPR is defined, but nl_langinfo(YESEXPR) is broken.
AC_CACHE_CHECK([whether YESEXPR works],
[gl_cv_func_nl_langinfo_yesexpr_works],
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[#include <langinfo.h>
]], [[return !*nl_langinfo(YESEXPR);
]])],
[gl_cv_func_nl_langinfo_yesexpr_works=yes],
[gl_cv_func_nl_langinfo_yesexpr_works=no],
[
case "$host_os" in
# Guess no on irix systems.
irix*) gl_cv_func_nl_langinfo_yesexpr_works="guessing no";;
# Guess yes elsewhere.
*) gl_cv_func_nl_langinfo_yesexpr_works="guessing yes";;
esac
])
])
case $gl_cv_func_nl_langinfo_yesexpr_works in
*yes) FUNC_NL_LANGINFO_YESEXPR_WORKS=1 ;;
*) FUNC_NL_LANGINFO_YESEXPR_WORKS=0 ;;
esac
AC_DEFINE_UNQUOTED([FUNC_NL_LANGINFO_YESEXPR_WORKS],
[$FUNC_NL_LANGINFO_YESEXPR_WORKS],
[Define to 1 if nl_langinfo (YESEXPR) returns a non-empty string.])
# On Solaris 10 and Solaris 11.3, nl_langinfo is not multithread-safe.
case "$host_os" in
solaris*) NL_LANGINFO_MTSAFE=0 ;;
*) NL_LANGINFO_MTSAFE=1 ;;
esac
AC_DEFINE_UNQUOTED([NL_LANGINFO_MTSAFE], [$NL_LANGINFO_MTSAFE],
[Define to 1 if nl_langinfo is multithread-safe.])
if test $HAVE_LANGINFO_CODESET = 1 \
&& test $HAVE_LANGINFO_T_FMT_AMPM = 1 \
&& test $HAVE_LANGINFO_ALTMON = 1 \
&& test $HAVE_LANGINFO_ERA = 1 \
&& test $FUNC_NL_LANGINFO_YESEXPR_WORKS = 1 \
&& test $NL_LANGINFO_MTSAFE = 1; then
:
else
REPLACE_NL_LANGINFO=1
AC_DEFINE([REPLACE_NL_LANGINFO], [1],
[Define if nl_langinfo exists but is overridden by gnulib.])
fi
else
HAVE_NL_LANGINFO=0
case "$gl_cv_onwards_func_nl_langinfo" in
future*) REPLACE_NL_LANGINFO=1 ;;
esac
fi
if test $HAVE_NL_LANGINFO = 0 || test $HAVE_LANGINFO_CODESET = 0; then
LIB_NL_LANGINFO="$SETLOCALE_NULL_LIB"
else
LIB_NL_LANGINFO=
fi
dnl LIB_NL_LANGINFO is expected to be empty everywhere.
AC_SUBST([LIB_NL_LANGINFO])
])
# Prerequisites of lib/nl_langinfo-lock.c.
AC_DEFUN([gl_PREREQ_NL_LANGINFO_LOCK],
[
gl_VISIBILITY
])
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