File project.diff of Package assertj-core

--- assertj-core.spec.orig
+++ assertj-core.spec
@@ -77,7 +77,8 @@ This package provides API documentation
 %build
 %{mvn_build} -f -- \
     -Dproject.build.sourceEncoding=UTF-8 \
-    -Dmaven.compiler.release=8 -Dsource=8
+    -Dmaven.compiler.release=8 -Dsource=8 \
+    -Dmaven.compiler.incrementalCompilation=classes -DlegacyMode=true
 
 %install
 %mvn_install