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source: kBuild/vendor/grep/2.12/m4/nl_langinfo.m4

Last change on this file was 2595, checked in by bird, 12 years ago

gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)

File size: 1.8 KB
Line 
1# nl_langinfo.m4 serial 5
2dnl Copyright (C) 2009-2012 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])
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