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|
/*
A set of aliases to be used in generated expressions.
In case of ambiguity, this will pick a sensible default.
This was initially based on cabal2nix's mapping.
It'd be nice to generate this mapping, based on a set of derivations.
It can not be fully automated, so it should be a expression or tool
that makes suggestions about which pkg-config module names can be added.
*/
pkgs:
let
inherit (pkgs) lib;
inherit (lib)
all
flip
mapAttrs
mapAttrsToList
getAttrFromPath
importJSON
;
data = importJSON ./pkg-config-data.json;
inherit (data) modules;
platform = pkgs.stdenv.hostPlatform;
isSupported =
moduleData:
moduleData ? supportedWhenPlatformAttrsEqual
-> all (x: x) (
mapAttrsToList (
k: v: platform ? ${k} && platform.${k} == v
) moduleData.supportedWhenPlatformAttrsEqual
);
modulePkgs = flip mapAttrs modules (
_moduleName: moduleData:
if moduleData ? attrPath && isSupported moduleData then
getAttrFromPath moduleData.attrPath pkgs
else
null
);
in
modulePkgs
|
