George Russell writes:
> The recent version, 3.77, of gmake seems to be a bit too clever
> (or maybe too stupid) for GHC's device of not updating a .hi file
> which is identical to the last one generated. It appears to me
> as if gmake is saving on a call to fstat by assuming that .hi
> has been updated even if it hasn't, and so it launches a totally
> unnecessary series of compilations. Has anyone got any ideas
> about how to prevent this, short of not using gmake 3.77?
Sorry, no tips for gmake, but maybe I'd be allowed a quick plug for
hmake, a make-like tool for Haskell? It copes admirably with .hi
files that don't change after recompilation. In addition, you don't
need a Makefile. See
http://www.cs.york.ac.uk/fp/hmake/
Regards,
Malcolm
