In http://www.smlnj.org/dist/working/110.99.3/index.html I can find the compiler.tgz:http://smlnj.cs.uchicago.edu/dist/working/110.99.3/compiler.tgz it seems it's the source code of smlnj,I can find files like cps.sml...
in https://github.com/smlnj/legacy I can get another smlnj source code,and I can build it success,but in this version,I can't find code in compiler.tgz,like cps.sml
I can't understand this,is the compiler.tgz is not used?but it has been listed in the offcial smlnj website.