=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Building for abcl-1.5.0
java.lang.ClassFormatError: Invalid constant type 18 in class
   at org.apache.tools.ant.launch.Launcher.main (Launcher.java:101)
*** Error code 2

Stop.
make[1]: stopped in /usr/pkgsrc/lang/abcl
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/lang/abcl