blob: e8377201fdd7a2a2827629f0e4a84f70dafe34fa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
# serial 46
# See if we need to use our replacement for Solaris' openat et al functions.
dnl Copyright (C) 2004-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
# Written by Jim Meyering.
AC_DEFUN([gl_FUNC_OPENAT],
[
AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_CHECK_FUNCS_ONCE([openat])
AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
AC_REQUIRE([gl_PREPROC_O_CLOEXEC])
case $ac_cv_func_openat+$gl_cv_func_lstat_dereferences_slashed_symlink+$gl_cv_macro_O_CLOEXEC in
yes+*yes+yes)
;;
yes+*)
# Solaris 10 lacks O_CLOEXEC.
# Solaris 9 has *at functions, but uniformly mishandles trailing
# slash in all of them.
REPLACE_OPENAT=1
;;
*)
HAVE_OPENAT=0
;;
esac
])
# Prerequisites of lib/openat.c.
AC_DEFUN([gl_PREREQ_OPENAT],
[
AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T])
:
])
|