[Nix-dev] Trouble building with pkgconfig (dwm, current nixos)

[Luca Bruno]

Try nativeBuildInputs instead of buildInputs.

On Wed, Jul 8, 2015 at 1:21 AM, James Felix Black <jfb at homonculus.net>
wrote:

> Hi, all,
>
> I’m enjoying my time with NixOS so far, but I’m having a devil of a time
> building a patched version of the dwm window manager. I’ve been able to
> successfully apply the dwm+pango patch, by adding the following to
> configuration.nix:
>
>   nixpkgs.config.dwm = { patches = let pp = pkgs.fetchurl {
>                                               url = "
> http://dwm.suckless.org/patches/dwm-6.0-pango.diff";
>                                               sha256 =
> "3bd45a8b4e28258002ffa2f62f5dece7913ef476ea76e2eb6d3d85817ac8cc9e";
>                                             };
>                                    in
>                                      [pp]; };
>
> This applies the patch correctly, but then dwm fails to build; it needs
> pkgconfig, libXft, and pango in addition to the dependencies declared in
> the dwm/default.nix expression. So I’ve overridden the buildInputs as such:
>
>   environment.systemPackages = with pkgs; [
>       # stuff elided ...
>       (lib.overrideDerivation dwm (attrs: { buildInputs =
> attrs.buildInputs ++ [xlibs.libXft xlibs.libXinerama pango pkgconfig]; }))
>   ];
>
> OK, this now seems to pull in the required libraries; but now, the build
> error is that the pkg_config binary (which gets called in the patched
> Makefile) can’t find any of the .pc files. I’m not 100% sure how to proceed
> here; I was operating under the assumption that having pkgconfig in the
> buildInputs would ensure that the various paths are correctly setup in the
> PKG_CONFIG_PATH. Is there something obvious I’m missing, here?
>
> Thanks in advance!
> jfb
>
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>



-- 
NixOS Linux <http://nixos.org>
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