From f66a5ded01256492a1f9d835525d608515ea430a Mon Sep 17 00:00:00 2001
From: Thomas Kemmer <thomas@binaryden.de>
Date: Sun, 19 Nov 2017 16:18:20 +0100
Subject: [PATCH] [VIEW] Fix configuration errors when Glew is missing Glew
 should be an optional dependency on macOS and Linux but previously caused
 configuration errors when missing.

---
 CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index eabb39f8bc..3298183edf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -590,7 +590,11 @@ ENDIF()
 
 IF (BALL_HAS_VIEW)
 ## TODO: Qt handling!
-	LIST(APPEND VIEW_DEP_LIBRARIES ${GLEW_LIBRARY} ${RTFACT_LIBRARIES})
+	IF(GLEW_FOUND)
+		LIST(APPEND VIEW_DEP_LIBRARIES ${GLEW_LIBRARY})
+	ENDIF()
+
+	LIST(APPEND VIEW_DEP_LIBRARIES ${RTFACT_LIBRARIES})
 
 	SET_TARGET_PROPERTIES(VIEW PROPERTIES
 		SOVERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}"