On Thu, 17 Feb 2005 16:36:48 -0000, Simon Marlow <[EMAIL PROTECTED]> wrote:

On 17 February 2005 14:54, Daan Leijen wrote:

A more general question: We doesn't -ohi dir/filename.hi is not
reflected in the dependencies.
I tried:

ghc -M -odir out -ohi out/A.hi A.hs

but nothing changed.

Simon??

This is because ghc -M works like --make, in that it traverses the module dependency graph. When multiple modules are being considered, the -ohi flag doesn't make much sense (which module does it apply to?).


The right way is to use -hidir/-hisuf, which are honoured by -M and --make.

Okay that sounds reasonable. I was looking for an -odir equivalent for hi files anyway. (It was not that hard :-)). The problem with hierarchical libs remains. Example: ./out ./out/Foo ./src ./src/Foo ./src/Foo/Bar.hs
  module Foo.Bar where
  import Foo.Bla
./src/Foo/Bla.hs
module Foo.Bla

ghc -M -odir out/Foo/ -hidir out/Foo/ src/Foo/Bar.hs -isrc
# DO NOT DELETE: Beginning of Haskell dependencies
out/Foo//Foo/Bla.o : src/Foo/Bla.hs
out/Foo//Foo/Bar.o : src/Foo/Bar.hs
out/Foo//Foo/Bar.o : out/Foo//Foo/Bla.hi
# DO NOT DELETE: End of Haskell dependencies

@Daan: why don't you use --make anyway? It would make obsolete so many problems 
IMO.

Cheers,
 Georg

--

---- Georg Martius,  Tel: (+49 34297) 89434 ----
------- http://www.flexman.homeip.net ---------
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