java/subversion-java build fails on jikes

[Andriy Gapon]

===>  Building for subversion-java-1.7.6
cd /usr/obj/ports/usr/ports/java/subversion-java/work/subversion-1.7.6 ;  make javahl
/usr/local/bin/jikes -target 1.5 -source 1.5 -d subversion/bindings/javahl/classes
-classpath ...
/usr/obj/ports/usr/ports/java/subversion-java/work/subversion-1.7.6/subversion/bindings/javahl/src/org/apache/subversion/javahl/types/Version.java

Error: "-source" only recognizes Java releases 1.3 (JLS 2 features) and 1.4
(assert statement).
use: jikes [options] [@files] file.java...
For more help, try -help or -version.
***
[subversion/bindings/javahl/classes/org/apache/subversion/javahl/ClientException.class]
Error code 2

Not sure how to proceed from here.
-- 
Andriy Gapon