X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgetcwd.m4;h=159aa2bafe2b32b31ea134ace394e4ccd6374e1d;hb=7dd7a67c1fc5fbf657c2ffbd03c334310d368cb0;hp=1e1b80efa4e30d44868697e3e2a3d1f3c7602e65;hpb=0809f5f9bcf6615b551326e800761862a8370ac9;p=gnulib.git diff --git a/m4/getcwd.m4 b/m4/getcwd.m4 index 1e1b80efa..159aa2baf 100644 --- a/m4/getcwd.m4 +++ b/m4/getcwd.m4 @@ -1,6 +1,6 @@ # getcwd.m4 - check whether getcwd (NULL, 0) allocates memory for result -# Copyright 2001 Free Software Foundation, Inc. +# Copyright (C) 2001, 2003 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -19,14 +19,13 @@ # Written by Paul Eggert. AC_DEFUN([AC_FUNC_GETCWD_NULL], - [AC_CHECK_HEADERS(stdlib.h unistd.h) + [ + AC_CHECK_HEADERS_ONCE(unistd.h) AC_CACHE_CHECK([whether getcwd (NULL, 0) allocates memory for result], [ac_cv_func_getcwd_null], [AC_TRY_RUN( [ -# ifdef HAVE_STDLIB_H -# include -# endif +# include # ifdef HAVE_UNISTD_H # include # endif