[Nix-dev] lipo (was: Debugging nixpkgs)

[Yury G. Kudryashov]

Konrad Hinsen wrote:

> Peter Simons writes:
> 
>  > in the past, we have dealt with these kind of problems by passing lipo
>  > explicitly to those expressions that need it. The 'mesa' expression,
>  > for example, takes the following argument:
>  > 
>  >   lipo = if stdenv.isDarwin then darwinLipoUtility else null;
> 
> That's fine as well, but it seems this implies many more changes to
> implement the fix: all-packages.nix needs to get that lipo-line added in
> various places and then a number of gcc-related derivations need to be
> modified.
Just my 2 cents: you can create lipoOrNull attr (look at libiconvOrNull).
-- 
Yury G. Kudryashov,
mailto: urkud at mccme.ru