3 # This is a modified version of autoconf's AC_FUNC_FNMATCH.
4 # This file should be simplified after Autoconf 2.57 is required.
6 # Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2, or (at your option)
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23 # _AC_FUNC_FNMATCH_IF(STANDARD = GNU | POSIX, CACHE_VAR, IF-TRUE, IF-FALSE)
24 # -------------------------------------------------------------------------
25 # If a STANDARD compliant fnmatch is found, run IF-TRUE, otherwise
26 # IF-FALSE. Use CACHE_VAR.
27 AC_DEFUN([_AC_FUNC_FNMATCH_IF],
29 [for working $1 fnmatch],
31 [# Some versions of Solaris, SCO, and the GNU C Library
32 # have a broken or incompatible fnmatch.
33 # So we run a test program. If we are cross-compiling, take no chance.
34 # Thanks to John Oleynick, Franc,ois Pinard, and Paul Eggert for this test.
40 # define y(a, b, c) (fnmatch (a, b, c) == 0)
41 # define n(a, b, c) (fnmatch (a, b, c) == FNM_NOMATCH)
45 && n ("d*/*1", "d/s/1", FNM_PATHNAME)
46 && y ("a\\\\bc", "abc", 0)
47 && n ("a\\\\bc", "abc", FNM_NOESCAPE)
49 && n ("*x", ".x", FNM_PERIOD)
51 [y ("xxXX", "xXxX", FNM_CASEFOLD)
52 && y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH)
53 && n ("d*/*1", "d/s/1", FNM_FILE_NAME)
54 && y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR)
55 && y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR)
56 && y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR)],
61 AS_IF([test $$2 = yes], [$3], [$4])
62 ])# _AC_FUNC_FNMATCH_IF
67 # Prepare the replacement of fnmatch.
68 AC_DEFUN([_AC_LIBOBJ_FNMATCH],
69 [AC_REQUIRE([AC_C_CONST])dnl
70 AC_REQUIRE([AC_FUNC_ALLOCA])dnl
71 AC_REQUIRE([AC_TYPE_MBSTATE_T])dnl
72 AC_CHECK_DECLS([getenv])
73 AC_CHECK_FUNCS([btowc mbsrtowcs mempcpy wmempcpy])
74 AC_CHECK_HEADERS([wchar.h wctype.h])
76 AC_CONFIG_LINKS([lib/fnmatch.h:lib/fnmatch_.h])
77 AC_DEFINE(fnmatch, rpl_fnmatch,
78 [Define to rpl_fnmatch if the replacement function should be used.])
79 ])# _AC_LIBOBJ_FNMATCH
82 # Additional prerequisites of lib/fnmatch.c, not part of _AC_LIBOBJ_FNMATCH.
83 AC_DEFUN([gl_PREREQ_FNMATCH_EXTRA],
85 AC_REQUIRE([AC_HEADER_STDC])
86 AC_CHECK_HEADERS_ONCE(string.h strings.h)
90 AC_DEFUN([gl_FUNC_FNMATCH_POSIX],
92 _AC_FUNC_FNMATCH_IF([POSIX], [ac_cv_func_fnmatch_posix],
93 [rm -f lib/fnmatch.h],
95 if test $ac_cv_func_fnmatch_posix != yes; then
96 gl_PREREQ_FNMATCH_EXTRA
97 dnl We must choose a different name for our function, since on ELF systems
98 dnl a broken fnmatch() in libc.so would override our fnmatch() if it is
99 dnl compiled into a shared library.
100 AC_DEFINE([fnmatch], [posix_fnmatch],
101 [Define to a replacement function name for fnmatch().])
106 AC_DEFUN([gl_FUNC_FNMATCH_GNU],
108 dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc.
109 AC_REQUIRE([AC_GNU_SOURCE])
111 _AC_FUNC_FNMATCH_IF([GNU], [ac_cv_func_fnmatch_gnu],
112 [rm -f lib/fnmatch.h],
113 [_AC_LIBOBJ_FNMATCH])
114 if test $ac_cv_func_fnmatch_gnu != yes; then
115 gl_PREREQ_FNMATCH_EXTRA
116 dnl We must choose a different name for our function, since on ELF systems
117 dnl a broken fnmatch() in libc.so would override our fnmatch() if it is
118 dnl compiled into a shared library.
119 AC_DEFINE([fnmatch], [gnu_fnmatch],
120 [Define to a replacement function name for fnmatch().])