--- libformula-1.1.3/common_build.xml	2020-05-05 19:51:29.901832133 +0100

+++ libformula-1.1.3/common_build.xml	2020-05-05 19:51:35.875883155 +0100

@@ -136,8 +136,8 @@

   <property name="javac.deprecation"

             value="true"

             description="Indicates whether source should be compiled with deprecation information" />

-  <property name="javac.source" value="1.5" description="Provide source compatibility with specified release" />

-  <property name="javac.target" value="1.5" description="Generate class files for specific VM version" />

+  <property name="javac.source" value="1.8" description="Provide source compatibility with specified release" />

+  <property name="javac.target" value="1.8" description="Generate class files for specific VM version" />

   <!-- Build Cache properties -->

   <property name="build.cache.dir"