Commit b8076b89 authored by Yureka's avatar Yureka Committed by Alyssa Ross
Browse files

rust: allow linker to be different from compiler

parent 7fe20b91

pkgs/build-support/rust/hooks/default.nix

+2 −2
Original line number Diff line number Diff line
@@ -66,10 +66,10 @@ 


        cargoConfig = ''

          [target."${stdenv.buildPlatform.rust.rustcTarget}"]

          "linker" = "${rust.envVars.ccForBuild}"

          "linker" = "${rust.envVars.linkerForBuild}"

          ${lib.optionalString (stdenv.buildPlatform.config != stdenv.hostPlatform.config) ''

            [target."${stdenv.hostPlatform.rust.rustcTarget}"]

            "linker" = "${rust.envVars.ccForHost}"

            "linker" = "${rust.envVars.linkerForHost}"

          ''}

          "rustflags" = [ "-C", "target-feature=${if stdenv.hostPlatform.isStatic then "+" else "-"}crt-static" ]

        '';

pkgs/build-support/rust/lib/default.nix

+10 −6
Original line number Diff line number Diff line
@@ -14,8 +14,11 @@ rec { 
  envVars = let

    ccForBuild = "${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}cc";

    cxxForBuild = "${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}c++";

    linkerForBuild = ccForBuild;



    ccForHost = "${stdenv.cc}/bin/${stdenv.cc.targetPrefix}cc";

    cxxForHost = "${stdenv.cc}/bin/${stdenv.cc.targetPrefix}c++";

    linkerForHost = ccForHost;



    # Unfortunately we must use the dangerous `targetPackages` here

    # because hooks are artificially phase-shifted one slot earlier
@@ -23,6 +26,7 @@ rec { 
    # a targetPlatform to them).

    ccForTarget = "${targetPackages.stdenv.cc}/bin/${targetPackages.stdenv.cc.targetPrefix}cc";

    cxxForTarget = "${targetPackages.stdenv.cc}/bin/${targetPackages.stdenv.cc.targetPrefix}c++";

    linkerForTarget = ccForTarget;



    rustBuildPlatform = stdenv.buildPlatform.rust.rustcTarget;

    rustBuildPlatformSpec = stdenv.buildPlatform.rust.rustcTargetSpec;
@@ -32,9 +36,9 @@ rec { 
    rustTargetPlatformSpec = stdenv.targetPlatform.rust.rustcTargetSpec;

  in {

    inherit

      ccForBuild  cxxForBuild  rustBuildPlatform   rustBuildPlatformSpec

      ccForHost   cxxForHost   rustHostPlatform    rustHostPlatformSpec

      ccForTarget cxxForTarget rustTargetPlatform  rustTargetPlatformSpec;

      ccForBuild  cxxForBuild  linkerForBuild  rustBuildPlatform   rustBuildPlatformSpec

      ccForHost   cxxForHost   linkerForHost   rustHostPlatform    rustHostPlatformSpec

      ccForTarget cxxForTarget linkerForTarget rustTargetPlatform  rustTargetPlatformSpec;



    # Prefix this onto a command invocation in order to set the

    # variables needed by cargo.
@@ -50,15 +54,15 @@ rec { 
    + lib.optionalString (rustTargetPlatform != rustHostPlatform) ''

      "CC_${stdenv.targetPlatform.rust.cargoEnvVarTarget}=${ccForTarget}" \

      "CXX_${stdenv.targetPlatform.rust.cargoEnvVarTarget}=${cxxForTarget}" \

      "CARGO_TARGET_${stdenv.targetPlatform.rust.cargoEnvVarTarget}_LINKER=${ccForTarget}" \

      "CARGO_TARGET_${stdenv.targetPlatform.rust.cargoEnvVarTarget}_LINKER=${linkerForTarget}" \

    '' + ''

      "CC_${stdenv.hostPlatform.rust.cargoEnvVarTarget}=${ccForHost}" \

      "CXX_${stdenv.hostPlatform.rust.cargoEnvVarTarget}=${cxxForHost}" \

      "CARGO_TARGET_${stdenv.hostPlatform.rust.cargoEnvVarTarget}_LINKER=${ccForHost}" \

      "CARGO_TARGET_${stdenv.hostPlatform.rust.cargoEnvVarTarget}_LINKER=${linkerForHost}" \

    '' + ''

      "CC_${stdenv.buildPlatform.rust.cargoEnvVarTarget}=${ccForBuild}" \

      "CXX_${stdenv.buildPlatform.rust.cargoEnvVarTarget}=${cxxForBuild}" \

      "CARGO_TARGET_${stdenv.buildPlatform.rust.cargoEnvVarTarget}_LINKER=${ccForBuild}" \

      "CARGO_TARGET_${stdenv.buildPlatform.rust.cargoEnvVarTarget}_LINKER=${linkerForBuild}" \

      "CARGO_BUILD_TARGET=${rustBuildPlatform}" \

      "HOST_CC=${buildPackages.stdenv.cc}/bin/cc" \

      "HOST_CXX=${buildPackages.stdenv.cc}/bin/c++" \