OCaml ports are very sensitive to the exact version of the compiler (and
dependent libraries) used to compile them, since the type signature is a hash
over the binary output. If the compiler is upgraded, but libraries are not
recompiled, then the whole compilation fails with a slightly obscure error like:
File "db.ml", line 1, characters 0-1:
Error: The files /opt/local/lib/ocaml/site-lib/calendar/calendarLib.cmi
and /opt/local/lib/ocaml/printf.cmi make inconsistent assumptions
over interface Buffer
So... I was wondering how to encode the depends_lib so that the OCaml libraries
in MacPorts depend on the *exact* version of OCaml they were compiled with, and
a subsequent upgrade of the OCaml port will also trigger a recompile of the
dependent libraries. Could someone advise me of the TCL-foo to make this
possible (if so) ?
-anil
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