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|
{ buildPackages
, callPackage
, cargo
, diffutils
, lib
, makeSetupHook
, maturin
, rust
, rustc
, stdenv
, target ? rust.toRustTargetSpec stdenv.hostPlatform
}:
let
targetIsJSON = lib.hasSuffix ".json" target;
# see https://github.com/rust-lang/cargo/blob/964a16a28e234a3d397b2a7031d4ab4a428b1391/src/cargo/core/compiler/compile_kind.rs#L151-L168
# the "${}" is needed to transform the path into a /nix/store path before baseNameOf
shortTarget = if targetIsJSON then
(lib.removeSuffix ".json" (builtins.baseNameOf "${target}"))
else target;
ccForBuild = "${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}cc";
cxxForBuild = "${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}c++";
ccForHost = "${stdenv.cc}/bin/${stdenv.cc.targetPrefix}cc";
cxxForHost = "${stdenv.cc}/bin/${stdenv.cc.targetPrefix}c++";
rustBuildPlatform = rust.toRustTarget stdenv.buildPlatform;
rustTargetPlatform = rust.toRustTarget stdenv.hostPlatform;
rustTargetPlatformSpec = rust.toRustTargetSpec stdenv.hostPlatform;
in {
cargoBuildHook = callPackage ({ }:
makeSetupHook {
name = "cargo-build-hook.sh";
deps = [ cargo ];
substitutions = {
inherit ccForBuild ccForHost cxxForBuild cxxForHost
rustBuildPlatform rustTargetPlatform rustTargetPlatformSpec;
};
} ./cargo-build-hook.sh) {};
cargoCheckHook = callPackage ({ }:
makeSetupHook {
name = "cargo-check-hook.sh";
deps = [ cargo ];
substitutions = {
inherit rustTargetPlatformSpec;
};
} ./cargo-check-hook.sh) {};
cargoInstallHook = callPackage ({ }:
makeSetupHook {
name = "cargo-install-hook.sh";
deps = [ ];
substitutions = {
inherit shortTarget;
};
} ./cargo-install-hook.sh) {};
cargoSetupHook = callPackage ({ }:
makeSetupHook {
name = "cargo-setup-hook.sh";
deps = [ ];
substitutions = {
defaultConfig = ../fetchcargo-default-config.toml;
# Specify the stdenv's `diff` by abspath to ensure that the user's build
# inputs do not cause us to find the wrong `diff`.
# The `.nativeDrv` stanza works like nativeBuildInputs and ensures cross-compiling has the right version available.
diff = "${diffutils.nativeDrv or diffutils}/bin/diff";
# Target platform
rustTarget = ''
[target."${rust.toRustTarget stdenv.buildPlatform}"]
"linker" = "${ccForBuild}"
${lib.optionalString (stdenv.buildPlatform.config != stdenv.hostPlatform.config) ''
[target."${shortTarget}"]
"linker" = "${ccForHost}"
${# https://github.com/rust-lang/rust/issues/46651#issuecomment-433611633
lib.optionalString (stdenv.hostPlatform.isMusl && stdenv.hostPlatform.isAarch64) ''
"rustflags" = [ "-C", "target-feature=+crt-static", "-C", "link-arg=-lgcc" ]
''}
''}
'';
};
} ./cargo-setup-hook.sh) {};
maturinBuildHook = callPackage ({ }:
makeSetupHook {
name = "maturin-build-hook.sh";
deps = [ cargo maturin rustc ];
substitutions = {
inherit ccForBuild ccForHost cxxForBuild cxxForHost
rustBuildPlatform rustTargetPlatform rustTargetPlatformSpec;
};
} ./maturin-build-hook.sh) {};
}
|