From e47f28d1a3585dede7c47a17ca507ee22727e86c Mon Sep 17 00:00:00 2001
From: Philipp van Kempen <philipp.van-kempen@tum.de>
Date: Thu, 4 Jul 2024 14:09:37 +0200
Subject: [PATCH] ETISSPlugin.cmake: Only write lib/plugins/list.txt if
 ETISS_BINARY_DIR is set

---
 cmake/ETISSPlugin.cmake | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/cmake/ETISSPlugin.cmake b/cmake/ETISSPlugin.cmake
index a656bc1d8c..b386e51902 100644
--- a/cmake/ETISSPlugin.cmake
+++ b/cmake/ETISSPlugin.cmake
@@ -16,8 +16,10 @@ MACRO(ETISSPlugin ProjName)
     )
 
     # mimicing installation in build tree as well
-    file(APPEND ${ETISS_BINARY_DIR}/lib/plugins/list.txt
-    "${ProjName},${ETISS_BINARY_DIR}/lib/plugins,${ProjName}\n")
+    IF(ETISS_BINARY_DIR)
+        file(APPEND ${ETISS_BINARY_DIR}/lib/plugins/list.txt
+        "${ProjName},${ETISS_BINARY_DIR}/lib/plugins,${ProjName}\n")
+    ENDIF()
 ENDMACRO()
 
 MACRO(ETISSPluginArchName ProjName ArchName)