File groovy-source-levels.patch of Package groovy.17607
--- groovy-2.4.16/build.gradle 2019-12-09 11:04:16.703039296 +0100 +++ groovy-2.4.16/build.gradle 2019-12-09 11:06:08.723653849 +0100 @@ -41,8 +41,8 @@ apply plugin: 'java' buildDir = 'target' - sourceCompatibility = 1.6 - targetCompatibility = 1.6 + sourceCompatibility = 1.7 + targetCompatibility = 1.7 group = 'org.codehaus.groovy' version = groovyVersion