From 5b1e1f10741af9e4bbe4cfc3261fb7c7b04f7809 Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Tue, 9 Aug 2011 21:16:44 +0300
Subject: [PATCH] Workaround unusual SIZE_MAX on SCO OpenServer.

---
 src/common/sysdefs.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/common/sysdefs.h b/src/common/sysdefs.h
index 69370ba4..5ea6bdae 100644
--- a/src/common/sysdefs.h
+++ b/src/common/sysdefs.h
@@ -103,9 +103,12 @@
 #	define UINT64_MAX UINT64_C(18446744073709551615)
 #endif
 
-// Interix has broken header files, which typedef size_t to unsigned long,
-// but a few lines later define SIZE_MAX to INT32_MAX.
-#ifdef __INTERIX
+// Incorrect(?) SIZE_MAX:
+//   - Interix headers typedef size_t to unsigned long,
+//     but a few lines later define SIZE_MAX to INT32_MAX.
+//   - SCO OpenServer (x86) headers typedef size_t to unsigned int
+//     but define SIZE_MAX to INT32_MAX.
+#if defined(__INTERIX) || defined(_SCO_DS)
 #	undef SIZE_MAX
 #endif