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# Check for fnmatch.
# This is a modified version of autoconf's AC_FUNC_FNMATCH.
# This file should be simplified after Autoconf 2.57 is required.
# Copyright (C) 2000-2003 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
# _AC_FUNC_FNMATCH_IF(STANDARD = GNU | POSIX, CACHE_VAR, IF-TRUE, IF-FALSE)
# -------------------------------------------------------------------------
# If a STANDARD compliant fnmatch is found, run IF-TRUE, otherwise
# IF-FALSE. Use CACHE_VAR.
AC_DEFUN([_AC_FUNC_FNMATCH_IF],
[AC_CACHE_CHECK(
[for working $1 fnmatch],
[$2],
[# Some versions of Solaris, SCO, and the GNU C Library
# have a broken or incompatible fnmatch.
# So we run a test program. If we are cross-compiling, take no chance.
# Thanks to John Oleynick, Franc,ois Pinard, and Paul Eggert for this test.
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[
# include <stdlib.h>
# include <fnmatch.h>
# define y(a, b, c) (fnmatch (a, b, c) == 0)
# define n(a, b, c) (fnmatch (a, b, c) == FNM_NOMATCH)
],
[exit
(!(y ("a*", "abc", 0)
&& n ("d*/*1", "d/s/1", FNM_PATHNAME)
&& y ("a\\\\bc", "abc", 0)
&& n ("a\\\\bc", "abc", FNM_NOESCAPE)
&& y ("*x", ".x", 0)
&& n ("*x", ".x", FNM_PERIOD)
&& m4_if([$1], [GNU],
[y ("xxXX", "xXxX", FNM_CASEFOLD)
&& y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH)
&& n ("d*/*1", "d/s/1", FNM_FILE_NAME)
&& y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR)
&& y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR)
&& y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR)],
1)));])],
[$2=yes],
[$2=no],
[$2=cross])])
AS_IF([test $$2 = yes], [$3], [$4])
])# _AC_FUNC_FNMATCH_IF
# _AC_LIBOBJ_FNMATCH
# ------------------
# Prepare the replacement of fnmatch.
AC_DEFUN([_AC_LIBOBJ_FNMATCH],
[AC_REQUIRE([AC_C_CONST])dnl
AC_REQUIRE([AC_FUNC_ALLOCA])dnl
AC_REQUIRE([AC_TYPE_MBSTATE_T])dnl
AC_CHECK_DECLS([getenv])
AC_CHECK_FUNCS([btowc mbsrtowcs mempcpy wmempcpy])
AC_CHECK_HEADERS([wchar.h wctype.h])
AC_LIBOBJ([fnmatch])
FNMATCH_H=fnmatch.h
])# _AC_LIBOBJ_FNMATCH
AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
[
FNMATCH_H=
_AC_FUNC_FNMATCH_IF([POSIX], [ac_cv_func_fnmatch_posix],
[rm -f lib/fnmatch.h],
[_AC_LIBOBJ_FNMATCH])
if test $ac_cv_func_fnmatch_posix != yes; then
dnl We must choose a different name for our function, since on ELF systems
dnl a broken fnmatch() in libc.so would override our fnmatch() if it is
dnl compiled into a shared library.
AC_DEFINE([fnmatch], [posix_fnmatch],
[Define to a replacement function name for fnmatch().])
fi
AC_SUBST([FNMATCH_H])
])
AC_DEFUN([gl_FUNC_FNMATCH_GNU],
[
dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc.
AC_REQUIRE([AC_GNU_SOURCE])
FNMATCH_H=
_AC_FUNC_FNMATCH_IF([GNU], [ac_cv_func_fnmatch_gnu],
[rm -f lib/fnmatch.h],
[_AC_LIBOBJ_FNMATCH])
if test $ac_cv_func_fnmatch_gnu != yes; then
dnl We must choose a different name for our function, since on ELF systems
dnl a broken fnmatch() in libc.so would override our fnmatch() if it is
dnl compiled into a shared library.
AC_DEFINE([fnmatch], [gnu_fnmatch],
[Define to a replacement function name for fnmatch().])
fi
AC_SUBST([FNMATCH_H])
])
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