top-level: Make stdenvCross which appears at first glance normal...
...but actually is weird just like the original
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parent
eed34bd214
commit
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27
pkgs/stdenv/cross/default.nix
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27
pkgs/stdenv/cross/default.nix
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@ -0,0 +1,27 @@
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{ system, allPackages, platform, crossSystem, config, ... } @ args:
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rec {
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vanillaStdenv = (import ../. (args // {
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crossSystem = null;
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allPackages = args: allPackages ({ crossSystem = null; } // args);
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})).stdenv;
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# Yeah this isn't so cleanly just build-time packages yet. Notice the
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# buildPackages <-> stdenvCross cycle. Yup, it's very weird.
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#
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# This works because the derivation used to build `stdenvCross` are in
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# fact using `forceNativeDrv` to use the `nativeDrv` attribute of the resulting
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# derivation built with `vanillaStdenv` (second argument of `makeStdenvCross`).
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#
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# Eventually, `forceNativeDrv` should be removed and the cycle broken.
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buildPackages = allPackages {
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# It's OK to change the built-time dependencies
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allowCustomOverrides = true;
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bootStdenv = stdenvCross;
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inherit system platform crossSystem config;
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};
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stdenvCross = buildPackages.makeStdenvCross
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vanillaStdenv crossSystem
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buildPackages.binutilsCross buildPackages.gccCrossStageFinal;
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}
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@ -5,7 +5,7 @@
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# Posix utilities, the GNU C compiler, and so on. On other systems,
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# we use the native C library.
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{ system, allPackages ? import ../.., platform, config, lib }:
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{ system, allPackages ? import ../.., platform, config, crossSystem, lib }:
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rec {
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@ -38,8 +38,11 @@ rec {
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inherit (import ./darwin { inherit system allPackages platform config; }) stdenvDarwin;
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inherit (import ./cross { inherit system allPackages platform crossSystem config lib; }) stdenvCross;
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# Select the appropriate stdenv for the platform `system'.
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stdenv =
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if crossSystem != null then stdenvCross else
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if system == "i686-linux" then stdenvLinux else
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if system == "x86_64-linux" then stdenvLinux else
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if system == "armv5tel-linux" then stdenvLinux else
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@ -12,6 +12,11 @@
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# null, the default standard environment is used.
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bootStdenv ? null
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, # This is used because stdenv replacement and the stdenvCross do benefit from
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# the overridden configuration provided by the user, as opposed to the normal
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# bootstrapping stdenvs.
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allowCustomOverrides ? (bootStdenv == null)
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, # Non-GNU/Linux OSes are currently "impure" platforms, with their libc
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# outside of the store. Thus, GCC, GFortran, & co. must always look for
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# files in standard system directories (/usr/include, etc.)
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@ -109,7 +114,7 @@ let
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# attributes to refer to the original attributes (e.g. "foo =
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# ... pkgs.foo ...").
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configOverrides = self: super:
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lib.optionalAttrs (bootStdenv == null)
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lib.optionalAttrs allowCustomOverrides
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((config.packageOverrides or (super: {})) super);
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# The complete chain of package set builders, applied from top to bottom
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@ -2,22 +2,17 @@
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rec {
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allStdenvs = import ../stdenv {
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inherit system platform config lib;
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# TODO(@Ericson2314): hack for cross-compiling until I clean that in follow-up PR
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allPackages = args: nixpkgsFun (args // { crossSystem = null; });
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inherit system platform config crossSystem lib;
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allPackages = nixpkgsFun;
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};
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defaultStdenv = allStdenvs.stdenv // { inherit platform; };
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stdenv =
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if bootStdenv != null then (bootStdenv // {inherit platform;}) else
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if crossSystem != null then
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pkgs.stdenvCross
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else
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let
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changer = config.replaceStdenv or null;
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in if changer != null then
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changer {
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if bootStdenv != null then
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(bootStdenv // { inherit platform; })
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else if crossSystem == null && config ? replaceStdenv then
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config.replaceStdenv {
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# We import again all-packages to avoid recursivities.
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pkgs = nixpkgsFun {
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# We remove packageOverrides to avoid recursivities
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