2 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_CLOSE],
9 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
10 m4_ifdef([gl_PREREQ_SYS_H_WINSOCK2], [
11 gl_PREREQ_SYS_H_WINSOCK2
12 if test $UNISTD_H_HAVE_WINSOCK2_H = 1; then
13 dnl Even if the 'socket' module is not used here, another part of the
14 dnl application may use it and pass file descriptors that refer to
15 dnl sockets to the close() function. So enable the support for sockets.
19 dnl Replace close() for supporting the gnulib-defined fchdir() function,
20 dnl to keep fchdir's bookkeeping up-to-date.
21 m4_ifdef([gl_FUNC_FCHDIR], [
22 if test $REPLACE_CLOSE = 0; then
24 if test $HAVE_FCHDIR = 0; then
29 if test $REPLACE_CLOSE = 1; then
30 m4_ifdef([gl_REPLACE_FCLOSE], [gl_REPLACE_FCLOSE], [:])