< 5.14.39 | `VERBOTEN' by license (please bite your favorite lawyer)
< 5.14.60 | since GiNaC version 0.7, these do not compile any more
5.14.62-72 | compiles fine, works well with GCC 2.95.x. GCC3 no go.
+ 5.14.74 | requires defining -DG__LONGBUF in SYSMACRO and OTHMACRO.
+ 5.14.75-76 | compiles fine, works well with GCC 2.95.x. GCC3 no go.