Merge branch 'vivian/train' into next

[flightgear.git] / src / Main / viewer.hxx

diff --git a/src/Main/viewer.hxx b/src/Main/viewer.hxx
index 50d56743974db75c965e6755c67cf4d8f689f733..965e8569a8a8cb3cdf8bb6829c482522f375908c 100644 (file)
--- a/src/Main/viewer.hxx
+++ b/src/Main/viewer.hxx
@@ -25,12 +25,7 @@
 
 
 #ifndef _VIEWER_HXX
-#define _VIEWER_HXX
-
-
-#ifndef __cplusplus                                                          
-# error This library requires C++
-#endif                                   
+#define _VIEWER_HXX                                
 
 namespace flightgear
 {