From d1ee1d4f9f0b2ddc88929a9b6b39c33b9d363da9 Mon Sep 17 00:00:00 2001
From: Philipp van Kempen <philipp.van-kempen@tum.de>
Date: Thu, 4 Jul 2024 14:29:13 +0200
Subject: [PATCH] ETISSPlugin.cmake: only change LIBRARY_OUTPUT_DIRECTORY if 
 is defined

---
 cmake/ETISSPlugin.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmake/ETISSPlugin.cmake b/cmake/ETISSPlugin.cmake
index d65bd4c9d6..8256dfd40a 100644
--- a/cmake/ETISSPlugin.cmake
+++ b/cmake/ETISSPlugin.cmake
@@ -1,7 +1,9 @@
 MACRO(ETISSPlugin ProjName)
     TARGET_LINK_LIBRARIES(${PROJECT_NAME} PUBLIC ETISS)
     TARGET_COMPILE_DEFINITIONS(${PROJECT_NAME} PRIVATE ETISS_EXPORTS ETISS_PLUGIN_IMPORTS)
-    set_target_properties(${ProjName} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${ETISS_BINARY_DIR}/lib/plugins/)
+    IF(ETISS_BINARY_DIR)
+        set_target_properties(${ProjName} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${ETISS_BINARY_DIR}/lib/plugins/)
+    ENDIF()
 
     INSTALL(TARGETS ${ProjName}
         RUNTIME DESTINATION lib/plugins