1# fchdir.m4 serial 3 2dnl Copyright (C) 2006-2007 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_DEFUN([gl_FUNC_FCHDIR], 8[ 9 AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) 10 AC_CHECK_FUNCS_ONCE([fchdir]) 11 if test $ac_cv_func_fchdir = no; then 12 REPLACE_FCHDIR=1 13 AC_LIBOBJ([fchdir]) 14 gl_PREREQ_FCHDIR 15 AC_DEFINE([FCHDIR_REPLACEMENT], 1, 16 [Define if gnulib's fchdir() replacement is used.]) 17 gl_ABSOLUTE_HEADER([dirent.h]) 18 ABSOLUTE_DIRENT_H=\"$gl_cv_absolute_dirent_h\" 19 DIRENT_H='dirent.h' 20 else 21 DIRENT_H= 22 fi 23 AC_SUBST([ABSOLUTE_DIRENT_H]) 24 AC_SUBST([DIRENT_H]) 25]) 26 27# Prerequisites of lib/fchdir.c. 28AC_DEFUN([gl_PREREQ_FCHDIR], [:]) 29