mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-12-28 06:14:26 +03:00
4751d9e5ad
- Non-cross stdenvs are honest and assert that `crossSystem` is null - `crossSystem` is a mandatory argument to top-level/stage.nix, just like `system` and `platform` - Broken default arguments on stdenvs for testing are gone. - All stdenvs (but little-used stdenvNix) take the same arguments for easy testing.
109 lines
3.8 KiB
Nix
109 lines
3.8 KiB
Nix
/* This file composes a single bootstrapping stage of the Nix Packages
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collection. That is, it imports the functions that build the various
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packages, and calls them with appropriate arguments. The result is a set of
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all the packages in the Nix Packages collection for some particular platform
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for some particular stage.
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Default arguments are only provided for bootstrapping
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arguments. Normal users should not import this directly but instead
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import `pkgs/default.nix` or `default.nix`. */
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{ # The system (e.g., `i686-linux') for which to build the packages.
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system
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, # The standard environment to use for building packages.
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stdenv
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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 ? true
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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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noSysDirs ? (system != "x86_64-freebsd" && system != "i686-freebsd"
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&& system != "x86_64-solaris"
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&& system != "x86_64-kfreebsd-gnu")
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, # The configuration attribute set
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config
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, crossSystem
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, platform
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, lib
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, nixpkgsFun
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}:
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let
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stdenvAdapters = self: super:
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let res = import ../stdenv/adapters.nix self; in res // {
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stdenvAdapters = res;
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};
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trivialBuilders = self: super:
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import ../build-support/trivial-builders.nix {
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inherit lib; inherit (self) stdenv stdenvNoCC; inherit (self.xorg) lndir;
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};
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stdenvDefault = self: super:
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{ stdenv = stdenv // { inherit platform; }; };
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allPackages = self: super:
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let res = import ./all-packages.nix
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{ inherit system noSysDirs config crossSystem platform lib nixpkgsFun; }
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res self;
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in res;
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aliases = self: super: import ./aliases.nix super;
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# stdenvOverrides is used to avoid circular dependencies for building
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# the standard build environment. This mechanism uses the override
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# mechanism to implement some staged compilation of the stdenv.
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#
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# We don't want stdenv overrides in the case of cross-building, or
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# otherwise the basic overridden packages will not be built with the
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# crossStdenv adapter.
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stdenvOverrides = self: super:
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lib.optionalAttrs (crossSystem == null && super.stdenv ? overrides)
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(super.stdenv.overrides super);
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# Allow packages to be overridden globally via the `packageOverrides'
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# configuration option, which must be a function that takes `pkgs'
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# as an argument and returns a set of new or overridden packages.
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# The `packageOverrides' function is called with the *original*
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# (un-overridden) set of packages, allowing packageOverrides
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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 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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toFix = lib.foldl' (lib.flip lib.extends) (self: {}) [
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stdenvDefault
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stdenvAdapters
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trivialBuilders
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allPackages
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aliases
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stdenvOverrides
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configOverrides
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];
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# Use `overridePackages` to easily override this package set.
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# Warning: this function is very expensive and must not be used
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# from within the nixpkgs repository.
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#
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# Example:
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# pkgs.overridePackages (self: super: {
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# foo = super.foo.override { ... };
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# }
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#
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# The result is `pkgs' where all the derivations depending on `foo'
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# will use the new version.
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# Return the complete set of packages. Warning: this function is very
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# expensive!
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in lib.makeExtensibleWithCustomName "overridePackages" toFix
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