1 # Configure a replacement for <sys/file.h>.
4 # Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
9 # Written by Richard W.M. Jones.
11 AC_DEFUN([gl_HEADER_SYS_FILE_H],
13 AC_REQUIRE([gl_HEADER_SYS_FILE_H_DEFAULTS])
15 dnl Only flock is defined in a working <sys/file.h>. If that
16 dnl function is already there, we don't want to do any substitution.
17 AC_CHECK_FUNCS_ONCE([flock])
19 gl_CHECK_NEXT_HEADERS([sys/file.h])
21 AC_CHECK_HEADERS_ONCE([sys/file.h])
22 if test $ac_cv_header_sys_file_h = yes; then
27 AC_SUBST([HAVE_SYS_FILE_H])
29 dnl Check for declarations of anything we want to poison if the
30 dnl corresponding gnulib module is not in use.
31 gl_WARN_ON_USE_PREPARE([[#include <sys/file.h>
35 AC_DEFUN([gl_HEADER_SYS_FILE_MODULE_INDICATOR],
37 AC_REQUIRE([gl_HEADER_SYS_FILE_H_DEFAULTS])
38 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
41 AC_DEFUN([gl_HEADER_SYS_FILE_H_DEFAULTS],
43 GNULIB_FLOCK=0; AC_SUBST([GNULIB_FLOCK])
44 HAVE_FLOCK=1; AC_SUBST([HAVE_FLOCK])