Bug#893118: codenarc FTBFS with openjdk-9

[Adrian Bunk]

Source: codenarc
Version: 0.23-4
Severity: serious

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/codenarc.html

...
compile:
  [groovyc] Compiling 452 source files to /build/1st/codenarc-0.23/target/classes
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (file:/usr/share/java/groovy-all.jar) to method java.lang.Object.finalize()
WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.reflection.CachedClass
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
  [groovyc] org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
  [groovyc] Invalid commandline usage for javac.
  [groovyc] warning: [options] bootstrap class path not set in conjunction with -source 1.5
  [groovyc] error: Source option 1.5 is no longer supported. Use 1.6 or later.
  [groovyc] error: Target option 1.5 is no longer supported. Use 1.6 or later.
  [groovyc] 
  [groovyc] 
  [groovyc] 1 error

BUILD FAILED
/build/1st/codenarc-0.23/debian/build.xml:28: Compilation Failed

Total time: 1 minute 7 seconds
make[1]: *** [debian/rules:7: override_jh_build] Error 1