Make QGLViewer compilation error more descriptive

Author: ahornung

octovis/CMakeModules/FindQGLViewer.cmake

@@ -104,7 +104,7 @@ IF (NOT QGLViewer_FOUND)
   #FIND_LIBRARY(QGLViewer_LIBRARY_DIR_OTHER QGLViewer ${QGLVIEWER_BASE_DIR})
   FIND_PATH(QGLLIB libQGLViewer.so ${QGLVIEWER_BASE_DIR})
   IF (NOT QGLLIB)
-    MESSAGE(STATUS "\nfailed to build libQGLViewer")
+    MESSAGE(WARNING "Could not find libQGLViewer.so, failed to build?")
     SET( QGLViewer_FOUND 0 CACHE BOOL "Do we have QGLViewer?" FORCE )
   ELSE()
     MESSAGE(STATUS "Successfully built library in:\n${QGLLIB}")