From c077d4746503b929ac4113c7875175c54eb5796a Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Mon, 29 Dec 2014 14:54:13 -0200
Subject: does not define _XOPEN_SOURCE when LUA_USE_C89 is defined + defining
 _XOPEN_SOURCE==0 undefines that macro

---
 lprefix.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'lprefix.h')

diff --git a/lprefix.h b/lprefix.h
index 3f6fbd98..6b72f0eb 100644
--- a/lprefix.h
+++ b/lprefix.h
@@ -1,5 +1,5 @@
 /*
-** $Id: $
+** $Id: lprefix.h,v 1.1 2014/11/03 15:12:44 roberto Exp roberto $
 ** Definitions for Lua code that must come before any other header file
 ** See Copyright Notice in lua.h
 */
@@ -11,18 +11,24 @@
 /*
 ** Allows POSIX/XSI stuff
 */
+#if !defined(LUA_USE_C89)	/* { */
+
 #if !defined(_XOPEN_SOURCE)
 #define _XOPEN_SOURCE           600
+#elif _XOPEN_SOURCE == 0
+#undef _XOPEN_SOURCE  /* use -D_XOPEN_SOURCE=0 to undefine it */
 #endif
 
 /*
 ** Allows manipulation of large files in gcc and some other compilers
 */
-#if !defined(_FILE_OFFSET_BITS)
+#if !defined(LUA_32BITS) && !defined(_FILE_OFFSET_BITS)
 #define _LARGEFILE_SOURCE       1
 #define _FILE_OFFSET_BITS       64
 #endif
 
+#endif				/* } */
+
 
 /*
 ** Windows stuff
-- 
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