Simon, On Wed, 23 Nov 2005, Simon Marlow wrote:
> On 22 November 2005 17:18, Michael Marte wrote: > > > I am having some annoying problems with the 6.x compilers: > > > > 6.4 and 6.4.1: When repeating a build (with ghc --make) all modules > > are rebuild even if nothing has changed. With earlier compilers, > > only linking takes place in this setting. Can I change this > > behaviour? I cannot develop this way. > > Should not happen, if it does there is a bug. Can you tell us how to > repeat the behaviour you're seeing? We aren't seeing any unecessary > recompilation here. Like Wolfram Kahl, I am using -ddump-minimal-imports. I cannot check whether the use of this option causes the problem, because I returned to 6.2 already to continue porting my project from ghc 5. > > 6.2 and up: The object file is named after the module, not after the > > source file as in 5.04. As there are several main modules in my > > project, each in its own source file, all I get is a big mess. Any > > suggestions? > > The object file is named after the source file, unless you use -odir. > The behaviour is clearly specified in the user's guide: > > http://www.haskell.org/ghc/docs/latest/html/users_guide/separate-compila > tion.html#output-files > > the behaviour has been through several revisions before we arrived at > this, and I'm not keen to change it. > > You can have several Main modules in the same directory if you don't use > -odir. If you do use -odir, then you need to use a different value for > -odir for each different program. Alternatively use -main-is, as Bulat > suggested (actually this is better, IMO). I followed the suggestion of Bulat: I renamed the modules and used -main-is. Thanks everybody! Michael _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users