core/pkgs/stdenv/cross/default.nix
2024-05-13 22:24:10 +01:00

92 lines
3.2 KiB
Nix

{ lib, localSystem, crossSystem, config, overlays, crossOverlays ? [ ] }:
let
bootStages = import ../. {
inherit lib localSystem overlays;
crossSystem = localSystem;
crossOverlays = [ ];
# Ignore custom stdenvs when cross compiling for compatibility
config = builtins.removeAttrs config [ "replaceStdenv" ];
};
in lib.init bootStages ++ [
# Regular native packages
(somePrevStage:
lib.last bootStages somePrevStage // {
# It's OK to change the built-time dependencies
allowCustomOverrides = true;
})
# Build tool Packages
(vanillaPackages: {
inherit config overlays;
selfBuild = false;
stdenv = assert vanillaPackages.stdenv.buildPlatform == localSystem;
assert vanillaPackages.stdenv.hostPlatform == localSystem;
assert vanillaPackages.stdenv.targetPlatform == localSystem;
vanillaPackages.stdenv.override { targetPlatform = crossSystem; };
# It's OK to change the built-time dependencies
allowCustomOverrides = true;
})
# Run Packages
(buildPackages:
let
adaptStdenv = if crossSystem.isStatic then
buildPackages.stdenvAdapters.makeStatic
else
lib.id;
in {
inherit config;
overlays = overlays ++ crossOverlays;
selfBuild = false;
stdenv = adaptStdenv (buildPackages.stdenv.override (old: rec {
buildPlatform = localSystem;
hostPlatform = crossSystem;
targetPlatform = crossSystem;
# Prior overrides are surely not valid as packages built with this run on
# a different platform, and so are disabled.
overrides = _: _: { };
extraBuildInputs = [ ] # Old ones run on wrong platform
++ lib.optionals hostPlatform.isDarwin [
buildPackages.targetPackages.darwin.apple_sdk.frameworks.CoreFoundation
];
allowedRequisites = null;
hasCC = !targetPlatform.isGhcjs;
cc = if crossSystem.useiOSPrebuilt or false then
buildPackages.darwin.iosSdkPkgs.clang
else if crossSystem.useAndroidPrebuilt or false then
buildPackages."androidndkPkgs_${crossSystem.ndkVer}".clang
else if targetPlatform.isGhcjs
# Need to use `throw` so tryEval for splicing works, ugh. Using
# `null` or skipping the attribute would cause an eval failure
# `tryEval` wouldn't catch, wrecking accessing previous stages
# when there is a C compiler and everything should be fine.
then
throw "no C compiler provided for this platform"
else if crossSystem.isDarwin then
buildPackages.llvmPackages.libcxxClang
else if crossSystem.useLLVM or false then
buildPackages.llvmPackages.clang
else
buildPackages.gcc;
extraNativeBuildInputs = old.extraNativeBuildInputs
++ lib.optionals (hostPlatform.isLinux && !buildPlatform.isLinux)
[ buildPackages.patchelf ] ++ lib.optional (let
f = p:
!p.isx86 || builtins.elem p.libc [ "musl" "wasilibc" "relibc" ]
|| p.isiOS || p.isGenode;
in f hostPlatform && !(f buildPlatform))
buildPackages.updateAutotoolsGnuConfigScriptsHook;
}));
})
]