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Diffstat (limited to 'm4/fnmatch.m4')
| -rw-r--r-- | m4/fnmatch.m4 | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/m4/fnmatch.m4 b/m4/fnmatch.m4 new file mode 100644 index 0000000..3778742 --- /dev/null +++ b/m4/fnmatch.m4 @@ -0,0 +1,127 @@ +# Check for fnmatch. + +# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software +# Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Autoconf defines AC_FUNC_FNMATCH, but that is obsolescent. +# New applications should use the macros below instead. + +# _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], + [dnl Some versions of Solaris, SCO, and the GNU C Library + dnl have a broken or incompatible fnmatch. + dnl So we run a test program. If we are cross-compiling, take no chance. + dnl Thanks to John Oleynick, François Pinard, and Paul Eggert for this test. + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <fnmatch.h> + static int + y (char const *pattern, char const *string, int flags) + { + return fnmatch (pattern, string, flags) == 0; + } + static int + n (char const *pattern, char const *string, int flags) + { + return fnmatch (pattern, string, flags) == FNM_NOMATCH; + } + ]], + [[char const *Apat = 'A' < '\\\\' ? "[A-\\\\\\\\]" : "[\\\\\\\\-A]"; + char const *apat = 'a' < '\\\\' ? "[a-\\\\\\\\]" : "[\\\\\\\\-a]"; + static char const A_1[] = { 'A' - 1, 0 }; + static char const A01[] = { 'A' + 1, 0 }; + static char const a_1[] = { 'a' - 1, 0 }; + static char const a01[] = { 'a' + 1, 0 }; + static char const bs_1[] = { '\\\\' - 1, 0 }; + static char const bs01[] = { '\\\\' + 1, 0 }; + return + !(n ("a*", "", 0) + && 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) + && y (Apat, "\\\\", 0) && y (Apat, "A", 0) + && y (apat, "\\\\", 0) && y (apat, "a", 0) + && n (Apat, A_1, 0) == ('A' < '\\\\') + && n (apat, a_1, 0) == ('a' < '\\\\') + && y (Apat, A01, 0) == ('A' < '\\\\') + && y (apat, a01, 0) == ('a' < '\\\\') + && y (Apat, bs_1, 0) == ('A' < '\\\\') + && y (apat, bs_1, 0) == ('a' < '\\\\') + && n (Apat, bs01, 0) == ('A' < '\\\\') + && n (apat, bs01, 0) == ('a' < '\\\\') + && ]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_FUNC_ALLOCA])dnl +AC_REQUIRE([AC_TYPE_MBSTATE_T])dnl +AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>]) +AC_CHECK_FUNCS_ONCE([btowc iswctype mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy]) +AC_CHECK_HEADERS_ONCE([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]) +]) |