AC_DEFUN([_AC_FUNC_FNMATCH_IF],
[AC_CACHE_CHECK(
[for working $1 fnmatch],
[$2],
[ AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[ 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_DEFUN([_AC_LIBOBJ_FNMATCH],
[AC_REQUIRE([AC_FUNC_ALLOCA])AC_REQUIRE([AC_TYPE_MBSTATE_T])AC_CHECK_DECLS([isblank], [], [], [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_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
AC_DEFINE([fnmatch], [posix_fnmatch],
[Define to a replacement function name for fnmatch().])
fi
AC_SUBST([FNMATCH_H])
])
AC_DEFUN([gl_FUNC_FNMATCH_GNU],
[
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
AC_DEFINE([fnmatch], [gnu_fnmatch],
[Define to a replacement function name for fnmatch().])
fi
AC_SUBST([FNMATCH_H])
])