-# Check for fnmatch - serial 9. -*- coding: utf-8 -*-
+# Check for fnmatch - serial 14. -*- coding: utf-8 -*-
-# Copyright (C) 2000-2007, 2009-2016 Free Software Foundation, Inc.
+# Copyright (C) 2000-2007, 2009-2019 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.
[
m4_divert_text([DEFAULTS], [gl_fnmatch_required=POSIX])
- dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc.
- dnl This is only needed if gl_fnmatch_required = GNU. It would be possible
- dnl to avoid this dependency for gl_FUNC_FNMATCH_POSIX by putting
- dnl gl_FUNC_FNMATCH_GNU into a separate .m4 file.
- AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
-
- FNMATCH_H=
+ AC_REQUIRE([gl_FNMATCH_H])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
gl_fnmatch_required_lowercase=`
echo $gl_fnmatch_required | LC_ALL=C tr '[[A-Z]]' '[[a-z]]'
`
- gl_fnmatch_cache_var="gl_cv_func_fnmatch_${gl_fnmatch_required_lowercase}"
- AC_CACHE_CHECK([for working $gl_fnmatch_required fnmatch],
- [$gl_fnmatch_cache_var],
- [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
- dnl test.
- if test $gl_fnmatch_required = GNU; then
- gl_fnmatch_gnu_start=
- gl_fnmatch_gnu_end=
- else
- gl_fnmatch_gnu_start='#if 0'
- gl_fnmatch_gnu_end='#endif'
- fi
- 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 };
- int result = 0;
- if (!n ("a*", "", 0))
- return 1;
- if (!y ("a*", "abc", 0))
- return 1;
- if (!y ("[/b", "[/b", 0)) /*"]]"*/ /* glibc Bugzilla bug 12378 */
- return 1;
- if (!n ("d*/*1", "d/s/1", FNM_PATHNAME))
- return 2;
- if (!y ("a\\\\bc", "abc", 0))
- return 3;
- if (!n ("a\\\\bc", "abc", FNM_NOESCAPE))
- return 3;
- if (!y ("*x", ".x", 0))
- return 4;
- if (!n ("*x", ".x", FNM_PERIOD))
- return 4;
- if (!y (Apat, "\\\\", 0))
- return 5;
- if (!y (Apat, "A", 0))
- return 5;
- if (!y (apat, "\\\\", 0))
- return 5;
- if (!y (apat, "a", 0))
- return 5;
- if (!(n (Apat, A_1, 0) == ('A' < '\\\\')))
- return 5;
- if (!(n (apat, a_1, 0) == ('a' < '\\\\')))
- return 5;
- if (!(y (Apat, A01, 0) == ('A' < '\\\\')))
- return 5;
- if (!(y (apat, a01, 0) == ('a' < '\\\\')))
- return 5;
- if (!(y (Apat, bs_1, 0) == ('A' < '\\\\')))
- return 5;
- if (!(y (apat, bs_1, 0) == ('a' < '\\\\')))
- return 5;
- if (!(n (Apat, bs01, 0) == ('A' < '\\\\')))
- return 5;
- if (!(n (apat, bs01, 0) == ('a' < '\\\\')))
- return 5;
- $gl_fnmatch_gnu_start
- if (!y ("xxXX", "xXxX", FNM_CASEFOLD))
- result |= 8;
- if (!y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH))
- result |= 16;
- if (!n ("d*/*1", "d/s/1", FNM_FILE_NAME))
- result |= 32;
- if (!y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR))
- result |= 64;
- if (!y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR))
- result |= 64;
- if (!y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR))
- result |= 64;
- $gl_fnmatch_gnu_end
- return result;
- ]])],
- [eval "$gl_fnmatch_cache_var=yes"],
- [eval "$gl_fnmatch_cache_var=no"],
- [eval "$gl_fnmatch_cache_var=\"guessing no\""])
- ])
- eval "gl_fnmatch_result=\"\$$gl_fnmatch_cache_var\""
- if test "$gl_fnmatch_result" = yes; then
- dnl Not strictly necessary. Only to avoid spurious leftover files if people
- dnl don't do "make distclean".
- rm -f "$gl_source_base/fnmatch.h"
+ AC_CHECK_FUNCS_ONCE([fnmatch])
+ if test $ac_cv_func_fnmatch = no; then
+ HAVE_FNMATCH=0
else
- FNMATCH_H=fnmatch.h
+ gl_fnmatch_cache_var="gl_cv_func_fnmatch_${gl_fnmatch_required_lowercase}"
+ AC_CACHE_CHECK([for working $gl_fnmatch_required fnmatch],
+ [$gl_fnmatch_cache_var],
+ [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
+ dnl test.
+ if test $gl_fnmatch_required = GNU; then
+ gl_fnmatch_gnu_start=
+ gl_fnmatch_gnu_end=
+ else
+ gl_fnmatch_gnu_start='#if 0'
+ gl_fnmatch_gnu_end='#endif'
+ fi
+ 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 };
+ int result = 0;
+ if (!n ("a*", "", 0))
+ return 1;
+ if (!y ("a*", "abc", 0))
+ return 1;
+ if (!y ("[/b", "[/b", 0)) /*"]]"*/ /* glibc Bugzilla bug 12378 */
+ return 1;
+ if (!n ("d*/*1", "d/s/1", FNM_PATHNAME))
+ return 2;
+ if (!y ("a\\\\bc", "abc", 0))
+ return 3;
+ if (!n ("a\\\\bc", "abc", FNM_NOESCAPE))
+ return 3;
+ if (!y ("*x", ".x", 0))
+ return 4;
+ if (!n ("*x", ".x", FNM_PERIOD))
+ return 4;
+ if (!y (Apat, "\\\\", 0))
+ return 5;
+ if (!y (Apat, "A", 0))
+ return 5;
+ if (!y (apat, "\\\\", 0))
+ return 5;
+ if (!y (apat, "a", 0))
+ return 5;
+ if (!(n (Apat, A_1, 0) == ('A' < '\\\\')))
+ return 5;
+ if (!(n (apat, a_1, 0) == ('a' < '\\\\')))
+ return 5;
+ if (!(y (Apat, A01, 0) == ('A' < '\\\\')))
+ return 5;
+ if (!(y (apat, a01, 0) == ('a' < '\\\\')))
+ return 5;
+ if (!(y (Apat, bs_1, 0) == ('A' < '\\\\')))
+ return 5;
+ if (!(y (apat, bs_1, 0) == ('a' < '\\\\')))
+ return 5;
+ if (!(n (Apat, bs01, 0) == ('A' < '\\\\')))
+ return 5;
+ if (!(n (apat, bs01, 0) == ('a' < '\\\\')))
+ return 5;
+ $gl_fnmatch_gnu_start
+ if (!y ("xxXX", "xXxX", FNM_CASEFOLD))
+ result |= 8;
+ if (!y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH))
+ result |= 16;
+ if (!n ("d*/*1", "d/s/1", FNM_FILE_NAME))
+ result |= 32;
+ if (!y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR))
+ result |= 64;
+ if (!y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR))
+ result |= 64;
+ if (!y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR))
+ result |= 64;
+ $gl_fnmatch_gnu_end
+ return result;
+ ]])],
+ [eval "$gl_fnmatch_cache_var=yes"],
+ [eval "$gl_fnmatch_cache_var=no"],
+ [case "$host_os" in
+ # Guess yes on musl systems.
+ *-musl*) eval "$gl_fnmatch_cache_var=\"guessing yes\"" ;;
+ # Guess no otherwise, even on glibc systems.
+ *) eval "$gl_fnmatch_cache_var=\"guessing no\"" ;;
+ esac
+ ])
+ ])
+ eval "gl_fnmatch_result=\"\$$gl_fnmatch_cache_var\""
+ case "$gl_fnmatch_result" in
+ *yes) ;;
+ *) REPLACE_FNMATCH=1 ;;
+ esac
+ fi
+ if test $HAVE_FNMATCH = 0 || test $REPLACE_FNMATCH = 1; then
+ gl_REPLACE_FNMATCH_H
fi
- AC_SUBST([FNMATCH_H])
- AM_CONDITIONAL([GL_GENERATE_FNMATCH_H], [test -n "$FNMATCH_H"])
])
# Request a POSIX compliant fnmatch function with GNU extensions.
AC_DEFUN([gl_PREREQ_FNMATCH],
[
- 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_UNQUOTED([fnmatch], [${gl_fnmatch_required_lowercase}_fnmatch],
- [Define to a replacement function name for fnmatch().])
dnl Prerequisites of lib/fnmatch.c.
AC_REQUIRE([AC_TYPE_MBSTATE_T])
AC_CHECK_DECLS([isblank], [], [], [[#include <ctype.h>]])