-# rpmatch.m4 serial 5
-dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+# rpmatch.m4 serial 9
+dnl Copyright (C) 2002-2003, 2007-2011 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_RPMATCH],
[
- AC_REPLACE_FUNCS(rpmatch)
+ dnl Persuade glibc <stdlib.h> to declare rpmatch().
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+ AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+ AC_REPLACE_FUNCS([rpmatch])
if test $ac_cv_func_rpmatch = no; then
+ HAVE_RPMATCH=0
gl_PREREQ_RPMATCH
fi
])
# Prerequisites of lib/rpmatch.c.
-AC_DEFUN([gl_PREREQ_RPMATCH], [:])
+AC_DEFUN([gl_PREREQ_RPMATCH], [
+ AC_CACHE_CHECK([for nl_langinfo and YESEXPR], [gl_cv_langinfo_yesexpr],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
+ [[char* cs = nl_langinfo(YESEXPR); return !cs;]])],
+ [gl_cv_langinfo_yesexpr=yes],
+ [gl_cv_langinfo_yesexpr=no])
+ ])
+ if test $gl_cv_langinfo_yesexpr = yes; then
+ AC_DEFINE([HAVE_LANGINFO_YESEXPR], [1],
+ [Define if you have <langinfo.h> and nl_langinfo(YESEXPR).])
+ fi
+])