diff -ruN subtitlecomposer-0.6.6/CMakeLists.txt subtitlecomposer-my/CMakeLists.txt
--- subtitlecomposer-0.6.6/CMakeLists.txt	2018-02-11 03:08:46.000000000 +0100
+++ subtitlecomposer-my/CMakeLists.txt	2018-10-13 07:19:22.163074971 +0200
@@ -12,7 +12,7 @@
 
 cmake_policy(SET CMP0043 NEW)
 cmake_policy(SET CMP0063 NEW)
-cmake_policy(SET CMP0071 NEW)
+#cmake_policy(SET CMP0071 NEW) # since cmake-3.10
 
 include(KDEInstallDirs)
 include(KDECMakeSettings)
