# acl.m4 - check for access control list (ACL) primitives
+# serial 17
-# Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2004-2014 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.
-# Written by Paul Eggert.
+# Written by Paul Eggert and Jim Meyering.
-AC_DEFUN([AC_FUNC_ACL],
+AC_DEFUN([gl_FUNC_ACL],
[
- AC_LIBSOURCES([acl.c, acl.h])
- AC_LIBOBJ([acl])
-
- dnl Prerequisites of lib/acl.c.
- AC_CHECK_HEADERS(sys/acl.h)
- if test "$ac_cv_header_sys_acl_h" = yes; then
- use_acl=1
- else
- use_acl=0
+ AC_ARG_ENABLE([acl],
+ AS_HELP_STRING([--disable-acl], [do not support ACLs]),
+ , [enable_acl=auto])
+
+ AC_CHECK_FUNCS_ONCE([fchmod])
+ LIB_ACL=
+ use_acl=0
+ if test "x$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, Mac OS 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([AC_LANG_PROGRAM(
+[[#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 Mac OS X, other types of ACLs are supported.
+ AC_CACHE_CHECK([for ACL_TYPE_EXTENDED],
+ [gl_cv_acl_ACL_TYPE_EXTENDED],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[#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([facl])
+ if test $ac_cv_func_facl = yes; then
+ AC_SEARCH_LIBS([acl_trivial], [sec],
+ [if test "$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; then
+ AC_CHECK_FUNCS([getacl])
+ if test $ac_cv_func_getacl = yes; then
+ use_acl=1
+ fi
+ dnl Test for HP-UX 11.11 API.
+ AC_CHECK_HEADERS([aclv.h], [], [], [#include <sys/types.h>])
+ 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
+
+ dnl Test for NonStop Kernel API.
+ if test $use_acl = 0; then
+ AC_CHECK_FUNCS([aclsort])
+ if test $ac_cv_func_aclsort = yes; then
+ use_acl=1
+ fi
+ fi
+
+ LIBS=$ac_save_LIBS
+ fi
+ if test "x$enable_acl$use_acl" = "xyes0"; then
+ AC_MSG_ERROR([ACLs enabled but support not detected])
+ elif test "x$enable_acl$use_acl" = "xauto0"; then
+ AC_MSG_WARN([libacl development library was not found or not usable.])
+ AC_MSG_WARN([AC_PACKAGE_NAME will be built without ACL support.])
+ fi
fi
- AC_DEFINE_UNQUOTED(USE_ACL, $use_acl,
- [Define if you want access control list support.])
- AC_CHECK_FUNCS(acl)
- ac_save_LIBS="$LIBS"
- 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_SUBST(LIB_ACL)
- AC_CHECK_HEADERS(acl/libacl.h)
- AC_CHECK_FUNCS(acl_get_file acl_get_fd acl_set_file acl_set_fd \
- acl_free acl_from_mode acl_from_text acl_to_text \
- acl_delete_def_file acl_entries acl_extended_file)
- LIBS="$ac_save_LIBS"
+ AC_SUBST([LIB_ACL])
+ AC_DEFINE_UNQUOTED([USE_ACL], [$use_acl],
+ [Define to nonzero if you want access control list support.])
+ USE_ACL=$use_acl
+ AC_SUBST([USE_ACL])
+])
+
+# gl_ACL_GET_FILE(IF-WORKS, IF-NOT)
+# -------------------------------------
+# If 'acl_get_file' works (does not have a particular bug),
+# run IF-WORKS, otherwise, IF-NOT.
+# When building natively, test for a Darwin 8.7.0 bug, whereby acl_get_file
+# returns NULL, but sets errno = ENOENT for an existing file or directory.
+# When cross-compiling, assume that this old bug no longer applies.
+AC_DEFUN([gl_ACL_GET_FILE],
+[
+ AC_CACHE_CHECK([for working acl_get_file], [gl_cv_func_working_acl_get_file],
+ [gl_cv_func_working_acl_get_file=no
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <sys/types.h>
+ #include <sys/acl.h>
+ #include <errno.h>
+ ]],
+ [[if (!acl_get_file (".", ACL_TYPE_ACCESS) && errno == ENOENT)
+ return 1;
+ return 0;
+ ]])],
+ [if test $cross_compiling = yes; then
+ gl_cv_func_working_acl_get_file="guessing yes"
+ elif ./conftest$ac_exeext; then
+ gl_cv_func_working_acl_get_file=yes
+ fi])])
+ AS_IF([test "$gl_cv_func_working_acl_get_file" != no], [$1], [$2])
])
projects / gnulib.git / blobdiff