forked from mirrors/nixpkgs
a3a6ad7a01
crossOverlays only apply to the packages being built, not the build packages. It is useful when you don’t care what is used to build your packages, just what is being built. The idea relies heavily on the cross compiling infrastructure. Using this implies that we need to create a cross stdenv.
50 lines
1.3 KiB
Nix
50 lines
1.3 KiB
Nix
{ lib
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, crossSystem, localSystem, config, overlays
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, bootStages
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, ...
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}:
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assert crossSystem == localSystem;
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bootStages ++ [
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(prevStage: {
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inherit config overlays;
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stdenv = import ../generic rec {
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inherit config;
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inherit (prevStage.stdenv) buildPlatform hostPlatform targetPlatform;
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preHook = ''
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export NIX_ENFORCE_PURITY="''${NIX_ENFORCE_PURITY-1}"
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export NIX_ENFORCE_NO_NATIVE="''${NIX_ENFORCE_NO_NATIVE-1}"
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export NIX_IGNORE_LD_THROUGH_GCC=1
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'';
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initialPath = (import ../common-path.nix) { pkgs = prevStage; };
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cc = import ../../build-support/cc-wrapper {
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nativeTools = false;
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nativePrefix = lib.optionalString hostPlatform.isSunOS "/usr";
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nativeLibc = true;
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inherit (prevStage) stdenvNoCC binutils coreutils gnugrep;
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cc = prevStage.gcc.cc;
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isGNU = true;
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shell = prevStage.bash + "/bin/sh";
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};
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shell = prevStage.bash + "/bin/sh";
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fetchurlBoot = prevStage.stdenv.fetchurlBoot;
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overrides = self: super: {
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inherit cc;
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inherit (cc) binutils;
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inherit (prevStage)
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gzip bzip2 xz bash coreutils diffutils findutils gawk
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gnumake gnused gnutar gnugrep gnupatch perl;
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};
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};
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})
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]
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