the same distribution terms as the rest of that program.
-* m4/{ac_prog_javac.m4,ac_prog_javac_works.m4}
+* m4/{ac_prog_jar.m4,ac_prog_javac.m4,ac_prog_javac_works.m4,ax_compiler_vendor.m4}
The http://ac-archive.sourceforge.net/ website states this about the
copyright: