[Bug fortran/31587] Module files shouldn't be updated if their content doesn't change

[fxcoudert at gcc dot gnu dot org]

------- Comment #4 from fxcoudert at gcc dot gnu dot org  2007-04-16 13:34 -------
(In reply to comment #2)
> include the
> filename and modification date of the source file in the module file, and to
> compare these before writing a module file

I think that defeats the purpose: if the source file changed but the module
file didn't change (ie the module interface is the same), we don't need to
recompile the files that depend on the module, and the module file shouldn't be
rewritten.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31587