wget/m4/nl_langinfo.m4

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# nl_langinfo.m4 serial 6
dnl Copyright (C) 2009-2019 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.
AC_DEFUN([gl_FUNC_NL_LANGINFO],
[
AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])
AC_REQUIRE([gl_LANGINFO_H])
AC_CHECK_FUNCS_ONCE([nl_langinfo])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
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.])
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; 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
fi
])