diff options
Diffstat (limited to 'm4/fnmatch.m4')
| -rw-r--r-- | m4/fnmatch.m4 | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/m4/fnmatch.m4 b/m4/fnmatch.m4 new file mode 100644 index 0000000..bca15ad --- /dev/null +++ b/m4/fnmatch.m4 @@ -0,0 +1,102 @@ +# 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, 2001, 2002, 2003, 2004 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. + +# _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 <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 wmemchr wmemcpy 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]) +]) |