1# nl_langinfo.m4 serial 5 2dnl Copyright (C) 2009-2014 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_DEFUN([gl_FUNC_NL_LANGINFO], 8[ 9 AC_REQUIRE([gl_LANGINFO_H_DEFAULTS]) 10 AC_REQUIRE([gl_LANGINFO_H]) 11 AC_CHECK_FUNCS_ONCE([nl_langinfo]) 12 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles 13 if test $ac_cv_func_nl_langinfo = yes; then 14 # On Irix 6.5, YESEXPR is defined, but nl_langinfo(YESEXPR) is broken. 15 AC_CACHE_CHECK([whether YESEXPR works], 16 [gl_cv_func_nl_langinfo_yesexpr_works], 17 [AC_RUN_IFELSE( 18 [AC_LANG_PROGRAM([[#include <langinfo.h> 19]], [[return !*nl_langinfo(YESEXPR); 20]])], 21 [gl_cv_func_nl_langinfo_yesexpr_works=yes], 22 [gl_cv_func_nl_langinfo_yesexpr_works=no], 23 [ 24 case "$host_os" in 25 # Guess no on irix systems. 26 irix*) gl_cv_func_nl_langinfo_yesexpr_works="guessing no";; 27 # Guess yes elsewhere. 28 *) gl_cv_func_nl_langinfo_yesexpr_works="guessing yes";; 29 esac 30 ]) 31 ]) 32 case $gl_cv_func_nl_langinfo_yesexpr_works in 33 *yes) FUNC_NL_LANGINFO_YESEXPR_WORKS=1 ;; 34 *) FUNC_NL_LANGINFO_YESEXPR_WORKS=0 ;; 35 esac 36 AC_DEFINE_UNQUOTED([FUNC_NL_LANGINFO_YESEXPR_WORKS], 37 [$FUNC_NL_LANGINFO_YESEXPR_WORKS], 38 [Define to 1 if nl_langinfo (YESEXPR) returns a non-empty string.]) 39 if test $HAVE_LANGINFO_CODESET = 1 && test $HAVE_LANGINFO_ERA = 1 \ 40 && test $FUNC_NL_LANGINFO_YESEXPR_WORKS = 1; then 41 : 42 else 43 REPLACE_NL_LANGINFO=1 44 AC_DEFINE([REPLACE_NL_LANGINFO], [1], 45 [Define if nl_langinfo exists but is overridden by gnulib.]) 46 fi 47 else 48 HAVE_NL_LANGINFO=0 49 fi 50]) 51