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# rpmatch.m4 serial 10
dnl Copyright (C) 2002-2003, 2007-2023 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_RPMATCH],
[
dnl Persuade glibc <stdlib.h> to declare rpmatch().
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
AC_CHECK_FUNCS([rpmatch])
if test $ac_cv_func_rpmatch = no; then
HAVE_RPMATCH=0
fi
])
# Prerequisites of lib/rpmatch.c.
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
])
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