1# Check for fnmatch. 2 3# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software 4# Foundation, Inc. 5# This file is free software; the Free Software Foundation 6# gives unlimited permission to copy and/or distribute it, 7# with or without modifications, as long as this notice is preserved. 8 9# Autoconf defines AC_FUNC_FNMATCH, but that is obsolescent. 10# New applications should use the macros below instead. 11 12# _AC_FUNC_FNMATCH_IF(STANDARD = GNU | POSIX, CACHE_VAR, IF-TRUE, IF-FALSE) 13# ------------------------------------------------------------------------- 14# If a STANDARD compliant fnmatch is found, run IF-TRUE, otherwise 15# IF-FALSE. Use CACHE_VAR. 16AC_DEFUN([_AC_FUNC_FNMATCH_IF], 17[AC_CACHE_CHECK( 18 [for working $1 fnmatch], 19 [$2], 20 [dnl Some versions of Solaris, SCO, and the GNU C Library 21 dnl have a broken or incompatible fnmatch. 22 dnl So we run a test program. If we are cross-compiling, take no chance. 23 dnl Thanks to John Oleynick, Fran��ois Pinard, and Paul Eggert for this test. 24 AC_RUN_IFELSE( 25 [AC_LANG_PROGRAM( 26 [ 27# include <stdlib.h> 28# include <fnmatch.h> 29# define y(a, b, c) (fnmatch (a, b, c) == 0) 30# define n(a, b, c) (fnmatch (a, b, c) == FNM_NOMATCH) 31 static int 32 fnm (char const *pattern, char const *string, int flags) 33 { 34 return fnmatch (pattern, string, flags); 35 } 36 ], 37 [exit 38 (!(fnm ("a*", "", 0) == FNM_NOMATCH 39 && y ("a*", "abc", 0) 40 && n ("d*/*1", "d/s/1", FNM_PATHNAME) 41 && y ("a\\\\bc", "abc", 0) 42 && n ("a\\\\bc", "abc", FNM_NOESCAPE) 43 && y ("*x", ".x", 0) 44 && n ("*x", ".x", FNM_PERIOD) 45 && m4_if([$1], [GNU], 46 [y ("xxXX", "xXxX", FNM_CASEFOLD) 47 && y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH) 48 && n ("d*/*1", "d/s/1", FNM_FILE_NAME) 49 && y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR) 50 && y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR) 51 && y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR)], 52 1)));])], 53 [$2=yes], 54 [$2=no], 55 [$2=cross])]) 56AS_IF([test $$2 = yes], [$3], [$4]) 57])# _AC_FUNC_FNMATCH_IF 58 59 60# _AC_LIBOBJ_FNMATCH 61# ------------------ 62# Prepare the replacement of fnmatch. 63AC_DEFUN([_AC_LIBOBJ_FNMATCH], 64[AC_REQUIRE([AC_FUNC_ALLOCA])dnl 65AC_REQUIRE([AC_TYPE_MBSTATE_T])dnl 66AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>]) 67AC_CHECK_FUNCS([btowc mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy]) 68AC_CHECK_HEADERS([wchar.h wctype.h]) 69AC_LIBOBJ([fnmatch]) 70FNMATCH_H=fnmatch.h 71])# _AC_LIBOBJ_FNMATCH 72 73 74AC_DEFUN([gl_FUNC_FNMATCH_POSIX], 75[ 76 FNMATCH_H= 77 _AC_FUNC_FNMATCH_IF([POSIX], [ac_cv_func_fnmatch_posix], 78 [rm -f lib/fnmatch.h], 79 [_AC_LIBOBJ_FNMATCH]) 80 if test $ac_cv_func_fnmatch_posix != yes; then 81 dnl We must choose a different name for our function, since on ELF systems 82 dnl a broken fnmatch() in libc.so would override our fnmatch() if it is 83 dnl compiled into a shared library. 84 AC_DEFINE([fnmatch], [posix_fnmatch], 85 [Define to a replacement function name for fnmatch().]) 86 fi 87 AC_SUBST([FNMATCH_H]) 88]) 89 90 91AC_DEFUN([gl_FUNC_FNMATCH_GNU], 92[ 93 dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc. 94 AC_REQUIRE([AC_GNU_SOURCE]) 95 96 FNMATCH_H= 97 _AC_FUNC_FNMATCH_IF([GNU], [ac_cv_func_fnmatch_gnu], 98 [rm -f lib/fnmatch.h], 99 [_AC_LIBOBJ_FNMATCH]) 100 if test $ac_cv_func_fnmatch_gnu != yes; then 101 dnl We must choose a different name for our function, since on ELF systems 102 dnl a broken fnmatch() in libc.so would override our fnmatch() if it is 103 dnl compiled into a shared library. 104 AC_DEFINE([fnmatch], [gnu_fnmatch], 105 [Define to a replacement function name for fnmatch().]) 106 fi 107 AC_SUBST([FNMATCH_H]) 108]) 109