Tweak for SGI portability.

[simgear.git] / Math / mat3defs.h

diff --git a/Math/mat3defs.h b/Math/mat3defs.h
index 34759c0d808c0ef8ad089a2f17e5d746f143e1e9..dd4ceeb5e9385cbe7c42cb7602f41c4a83d1ea08 100644 (file)
--- a/Math/mat3defs.h
+++ b/Math/mat3defs.h
@@ -1,8 +1,17 @@
 /* Copyright 1988, Brown Computer Graphics Group.  All Rights Reserved. */
 
+
+#ifndef _MAT3DEFS_H
+#define _MAT3DEFS_H
+
+
+#ifdef __cplusplus                                                          
+extern "C" {                            
+#endif                                   
+
 #include <stdio.h>
-/* #include "mat3err.h" */
-#include "mat3.h"
+/* #include <Math/mat3err.h> */
+#include <Math/mat3.h>
 
 /* -----------------------------  Constants  ------------------------------ */
 
@@ -37,3 +46,11 @@
 /* -------------------------  Global Variables ---------------------------- */
 
 /* extern ERRid        *MAT3_errid; */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* _MAT3DEFS_H */