# acl.m4 - check for access control list (ACL) primitives
+# serial 8
-# Copyright (C) 2002, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2004-2008 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_DEFUN([gl_FUNC_ACL],
[
- AC_LIBOBJ([acl])
- AC_LIBOBJ([file-has-acl])
+ AC_ARG_ENABLE([acl],
+ AS_HELP_STRING([--disable-acl], [do not support ACLs]),
+ , [enable_acl=auto])
- dnl Prerequisites of lib/acl.c.
LIB_ACL=
use_acl=0
- AC_CHECK_HEADERS(sys/acl.h)
- if test $ac_cv_header_sys_acl_h = yes; then
- ac_save_LIBS=$LIBS
- AC_CHECK_FUNCS([acl])
- use_acl=1
- AC_SEARCH_LIBS([acl_trivial], [sec],
- [test "$ac_cv_search_acl_trivial" = "none required" ||
- LIB_ACL=$ac_cv_search_acl_trivial
- AC_CHECK_FUNCS([acl_trivial])],
- [AC_CHECK_FUNCS([acl_trivial])
- if test $ac_cv_func_acl_trivial != yes; then
- AC_SEARCH_LIBS([acl_get_file], [acl],
- [test "$ac_cv_search_acl_get_file" = "none required" ||
- LIB_ACL=$ac_cv_search_acl_get_file
- AC_CHECK_FUNCS(
- [acl_get_file acl_get_fd acl_set_file acl_set_fd \
- acl_free acl_from_mode acl_from_text \
- acl_delete_def_file acl_extended_file])
- if test $ac_cv_func_acl_get_file = yes; then
- # If the acl_get_file bug is detected, disable all ACL support.
- gl_ACL_GET_FILE( , [use_acl=0])
- fi
- if test $use_acl = 1; then
- AC_CHECK_HEADERS([acl/libacl.h])
- if test $ac_cv_func_acl_get_file = yes &&
- test $ac_cv_func_acl_free = yes; then
- AC_REPLACE_FUNCS([acl_entries])
- fi
- else
- LIB_ACL=
- fi])
- fi])
- LIBS=$ac_save_LIBS
+ AC_REQUIRE([AC_C_INLINE])
+ if test "x$enable_acl" != "xno"; then
+ dnl On all platforms, the ACL related API is declared in <sys/acl.h>.
+ AC_CHECK_HEADERS([sys/acl.h])
+ if test $ac_cv_header_sys_acl_h = yes; then
+ ac_save_LIBS=$LIBS
+
+ dnl Test for POSIX-draft-like API (Linux, FreeBSD, MacOS X, IRIX, Tru64).
+ dnl -lacl is needed on Linux, -lpacl is needed on OSF/1.
+ if test $use_acl = 0; then
+ AC_SEARCH_LIBS([acl_get_file], [acl pacl],
+ [if test "$ac_cv_search_acl_get_file" != "none required"; then
+ LIB_ACL=$ac_cv_search_acl_get_file
+ fi
+ AC_CHECK_FUNCS(
+ [acl_get_file acl_get_fd acl_set_file acl_set_fd \
+ acl_free acl_from_mode acl_from_text \
+ acl_delete_def_file acl_extended_file \
+ acl_delete_fd_np acl_delete_file_np \
+ acl_copy_ext_native acl_create_entry_np \
+ acl_to_short_text acl_free_text])
+ # If the acl_get_file bug is detected, don't enable the ACL support.
+ gl_ACL_GET_FILE([use_acl=1], [])
+ if test $use_acl = 1; then
+ dnl On Linux, additional API is declared in <acl/libacl.h>.
+ AC_CHECK_HEADERS([acl/libacl.h])
+ AC_REPLACE_FUNCS([acl_entries])
+ AC_CACHE_CHECK([for ACL_FIRST_ENTRY],
+ [gl_cv_acl_ACL_FIRST_ENTRY],
+ [AC_COMPILE_IFELSE(
+[[#include <sys/types.h>
+#include <sys/acl.h>
+int type = ACL_FIRST_ENTRY;]],
+ [gl_cv_acl_ACL_FIRST_ENTRY=yes],
+ [gl_cv_acl_ACL_FIRST_ENTRY=no])])
+ if test $gl_cv_acl_ACL_FIRST_ENTRY = yes; then
+ AC_DEFINE([HAVE_ACL_FIRST_ENTRY], 1,
+ [Define to 1 if the constant ACL_FIRST_ENTRY exists.])
+ fi
+ dnl On MacOS X, other types of ACLs are supported.
+ AC_CACHE_CHECK([for ACL_TYPE_EXTENDED],
+ [gl_cv_acl_ACL_TYPE_EXTENDED],
+ [AC_COMPILE_IFELSE(
+[[#include <sys/types.h>
+#include <sys/acl.h>
+int type = ACL_TYPE_EXTENDED;]],
+ [gl_cv_acl_ACL_TYPE_EXTENDED=yes],
+ [gl_cv_acl_ACL_TYPE_EXTENDED=no])])
+ if test $gl_cv_acl_ACL_TYPE_EXTENDED = yes; then
+ AC_DEFINE([HAVE_ACL_TYPE_EXTENDED], 1,
+ [Define to 1 if the ACL type ACL_TYPE_EXTENDED exists.])
+ fi
+ else
+ LIB_ACL=
+ fi
+ ])
+ fi
+
+ dnl Test for Solaris API (Solaris, Cygwin).
+ if test $use_acl = 0; then
+ AC_CHECK_FUNCS([acl])
+ if test $ac_cv_func_acl = yes; then
+ AC_SEARCH_LIBS([acl_trivial], [sec],
+ [if test "$ac_cv_search_acl_trivial" != "none required"; then
+ LIB_ACL=$ac_cv_search_acl_trivial
+ fi
+ ])
+ AC_CHECK_FUNCS([acl_trivial])
+ use_acl=1
+ fi
+ fi
+
+ dnl Test for HP-UX API.
+ if test $use_acl = 0 || test "$ac_cv_func_acl" = yes; then
+ AC_CHECK_FUNCS([getacl])
+ if test $ac_cv_func_getacl = yes; then
+ use_acl=1
+ fi
+ fi
+
+ dnl Test for AIX API (AIX 5.3 or newer).
+ if test $use_acl = 0; then
+ AC_CHECK_FUNCS([aclx_get])
+ if test $ac_cv_func_aclx_get = yes; then
+ use_acl=1
+ fi
+ fi
+
+ dnl Test for older AIX API.
+ if test $use_acl = 0 || test "$ac_cv_func_aclx_get" = yes; then
+ AC_CHECK_FUNCS([statacl])
+ if test $ac_cv_func_statacl = yes; then
+ use_acl=1
+ fi
+ fi
+
+ LIBS=$ac_save_LIBS
+ fi
+ if test "x$enable_acl$use_acl" = "xyes0"; then
+ AC_MSG_ERROR([ACLs enabled but support not detected])
+ fi
fi
AC_SUBST([LIB_ACL])
AC_DEFINE_UNQUOTED([USE_ACL], [$use_acl],
[Define to nonzero if you want access control list support.])
-
- # This is for backwards compatibility; remove this by the end of 2007.
- LIB_ACL_TRIVIAL=
- AC_SUBST([LIB_ACL_TRIVIAL])
])
# gl_ACL_GET_FILE(IF-WORKS, IF-NOT)
projects / gnulib.git / blobdiff