port install gnat-gcc

[Daniel J. Luke]

On Jun 18, 2009, at 5:17 AM, Boey Maun Suang wrote:
> Consequently, I can't see any relative location to which we can  
> extract a GCC bootstrap, and /var/tmp is the best absolute path that  
> I can think of for this purpose.
>
> Incidentally, I used otool on the executables in the current ghc  
> bootstrap compiler, and they contain _absolute_ references to /opt/ 
> local/lib/libgmp.3.dylib, so for those who try to install MacPorts  
> ghc and who have configured ${prefix} to be other than /opt/local,  
> the build will either fail due to the non-existence of /opt/local/ 
> lib/libgmp.3.dylib, or (in accordance with the dyld(1) man page's  
> description of the DYLD_LIBRARY_PATH and DYLD_FALLBACK_LIBRARY_PATH  
> variables), it will silently pick up libgmp.3.dylib in another  
> location, such as /usr/local/lib, when it is run.  I haven't looked  
> into it, but we may find that the ghc bootstrap actually has this  
> same problem, just not in such an obvious or severe form.
>
> As always, your thoughts (and those of others on the list) would be  
> appreciated.


If it's just the libraries in the bootstrap compiler that are a  
problem, then you could do the temp install into somewhere like $ 
{worksrcpath} and set DYLD_FALLBACK_LIBRARY_PATH ...

--
Daniel J. Luke
+========================================================+
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