1# Check for fnmatch. 2 3# This is a modified version of autoconf's AC_FUNC_FNMATCH. 4# This file should be simplified after Autoconf 2.57 is required. 5 6# Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. 7# This file is free software; the Free Software Foundation 8# gives unlimited permission to copy and/or distribute it, 9# with or without modifications, as long as this notice is preserved. 10 11# _AC_FUNC_FNMATCH_IF(STANDARD = GNU | POSIX, CACHE_VAR, IF-TRUE, IF-FALSE) 12# ------------------------------------------------------------------------- 13# If a STANDARD compliant fnmatch is found, run IF-TRUE, otherwise 14# IF-FALSE. Use CACHE_VAR. 15AC_DEFUN([_AC_FUNC_FNMATCH_IF], 16[AC_CACHE_CHECK( 17 [for working $1 fnmatch], 18 [$2], 19 [dnl Some versions of Solaris, SCO, and the GNU C Library 20 dnl have a broken or incompatible fnmatch. 21 dnl So we run a test program. If we are cross-compiling, take no chance. 22 dnl Thanks to John Oleynick, François Pinard, and Paul Eggert for this test. 23 AC_RUN_IFELSE( 24 [AC_LANG_PROGRAM( 25 [ 26# include <stdlib.h> 27# include <fnmatch.h> 28# define y(a, b, c) (fnmatch (a, b, c) == 0) 29# define n(a, b, c) (fnmatch (a, b, c) == FNM_NOMATCH) 30 ], 31 [exit 32 (!(y ("a*", "abc", 0) 33 && n ("d*/*1", "d/s/1", FNM_PATHNAME) 34 && y ("a\\\\bc", "abc", 0) 35 && n ("a\\\\bc", "abc", FNM_NOESCAPE) 36 && y ("*x", ".x", 0) 37 && n ("*x", ".x", FNM_PERIOD) 38 && m4_if([$1], [GNU], 39 [y ("xxXX", "xXxX", FNM_CASEFOLD) 40 && y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH) 41 && n ("d*/*1", "d/s/1", FNM_FILE_NAME) 42 && y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR) 43 && y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR) 44 && y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR)], 45 1)));])], 46 [$2=yes], 47 [$2=no], 48 [$2=cross])]) 49AS_IF([test $$2 = yes], [$3], [$4]) 50])# _AC_FUNC_FNMATCH_IF 51 52 53# _AC_LIBOBJ_FNMATCH 54# ------------------ 55# Prepare the replacement of fnmatch. 56AC_DEFUN([_AC_LIBOBJ_FNMATCH], 57[AC_REQUIRE([AC_C_CONST])dnl 58AC_REQUIRE([AC_FUNC_ALLOCA])dnl 59AC_REQUIRE([AC_TYPE_MBSTATE_T])dnl 60AC_CHECK_DECLS([getenv]) 61AC_CHECK_FUNCS([btowc mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy]) 62AC_CHECK_HEADERS([wchar.h wctype.h]) 63AC_LIBOBJ([fnmatch]) 64FNMATCH_H=fnmatch.h 65])# _AC_LIBOBJ_FNMATCH 66 67 68AC_DEFUN([gl_FUNC_FNMATCH_POSIX], 69[ 70 FNMATCH_H= 71 _AC_FUNC_FNMATCH_IF([POSIX], [ac_cv_func_fnmatch_posix], 72 [rm -f lib/fnmatch.h], 73 [_AC_LIBOBJ_FNMATCH]) 74 if test $ac_cv_func_fnmatch_posix != yes; then 75 dnl We must choose a different name for our function, since on ELF systems 76 dnl a broken fnmatch() in libc.so would override our fnmatch() if it is 77 dnl compiled into a shared library. 78 AC_DEFINE([fnmatch], [posix_fnmatch], 79 [Define to a replacement function name for fnmatch().]) 80 fi 81 AC_SUBST([FNMATCH_H]) 82]) 83 84 85AC_DEFUN([gl_FUNC_FNMATCH_GNU], 86[ 87 dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc. 88 AC_REQUIRE([AC_GNU_SOURCE]) 89 90 FNMATCH_H= 91 _AC_FUNC_FNMATCH_IF([GNU], [ac_cv_func_fnmatch_gnu], 92 [rm -f lib/fnmatch.h], 93 [_AC_LIBOBJ_FNMATCH]) 94 if test $ac_cv_func_fnmatch_gnu != yes; then 95 dnl We must choose a different name for our function, since on ELF systems 96 dnl a broken fnmatch() in libc.so would override our fnmatch() if it is 97 dnl compiled into a shared library. 98 AC_DEFINE([fnmatch], [gnu_fnmatch], 99 [Define to a replacement function name for fnmatch().]) 100 fi 101 AC_SUBST([FNMATCH_H]) 102]) 103