-# unistd_h.m4 serial 46
-dnl Copyright (C) 2006-2010 Free Software Foundation, Inc.
+# unistd_h.m4 serial 53
+dnl Copyright (C) 2006-2011 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.
AC_REQUIRE([AC_C_INLINE])
gl_CHECK_NEXT_HEADERS([unistd.h])
-
- AC_CHECK_HEADERS_ONCE([unistd.h])
if test $ac_cv_header_unistd_h = yes; then
HAVE_UNISTD_H=1
else
dnl corresponding gnulib module is not in use.
gl_WARN_ON_USE_PREPARE([[#include <unistd.h>
/* Some systems declare various items in the wrong headers. */
-#ifndef __GLIBC__
+#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <fcntl.h>
# include <stdio.h>
# include <stdlib.h>
]], [chown dup2 dup3 environ euidaccess faccessat fchdir fchownat
fsync ftruncate getcwd getdomainname getdtablesize getgroups
gethostname getlogin getlogin_r getpagesize getusershell setusershell
- endusershell lchown link linkat lseek pipe2 pread pwrite readlink
+ endusershell lchown link linkat lseek pipe pipe2 pread pwrite readlink
readlinkat rmdir sleep symlink symlinkat ttyname_r unlink unlinkat
usleep])
])
GNULIB_LINK=0; AC_SUBST([GNULIB_LINK])
GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT])
GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK])
+ GNULIB_PIPE=0; AC_SUBST([GNULIB_PIPE])
GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2])
GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD])
GNULIB_PWRITE=0; AC_SUBST([GNULIB_PWRITE])
HAVE_FCHOWNAT=1; AC_SUBST([HAVE_FCHOWNAT])
HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
- HAVE_GETDOMAINNAME=1; AC_SUBST([HAVE_GETDOMAINNAME])
HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE])
HAVE_GETGROUPS=1; AC_SUBST([HAVE_GETGROUPS])
HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME])
HAVE_LCHOWN=1; AC_SUBST([HAVE_LCHOWN])
HAVE_LINK=1; AC_SUBST([HAVE_LINK])
HAVE_LINKAT=1; AC_SUBST([HAVE_LINKAT])
+ HAVE_PIPE=1; AC_SUBST([HAVE_PIPE])
HAVE_PIPE2=1; AC_SUBST([HAVE_PIPE2])
HAVE_PREAD=1; AC_SUBST([HAVE_PREAD])
HAVE_PWRITE=1; AC_SUBST([HAVE_PWRITE])
HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
HAVE_SYMLINK=1; AC_SUBST([HAVE_SYMLINK])
HAVE_SYMLINKAT=1; AC_SUBST([HAVE_SYMLINKAT])
- HAVE_TTYNAME_R=1; AC_SUBST([HAVE_TTYNAME_R])
HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT])
HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP])
HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
+ HAVE_DECL_FCHDIR=1; AC_SUBST([HAVE_DECL_FCHDIR])
+ HAVE_DECL_GETDOMAINNAME=1; AC_SUBST([HAVE_DECL_GETDOMAINNAME])
HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
HAVE_DECL_GETPAGESIZE=1; AC_SUBST([HAVE_DECL_GETPAGESIZE])
HAVE_DECL_GETUSERSHELL=1; AC_SUBST([HAVE_DECL_GETUSERSHELL])
+ HAVE_DECL_TTYNAME_R=1; AC_SUBST([HAVE_DECL_TTYNAME_R])
HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2])
REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT])
REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
+ REPLACE_GETDOMAINNAME=0; AC_SUBST([REPLACE_GETDOMAINNAME])
+ REPLACE_GETLOGIN_R=0; AC_SUBST([REPLACE_GETLOGIN_R])
REPLACE_GETGROUPS=0; AC_SUBST([REPLACE_GETGROUPS])
REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE])
REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN])