forked from mirrors/nixpkgs
Extract the top-level logic out of all-packages.nix into pkgs/top-level/default.nix
This commit is contained in:
Nicolas B. Pierron
parent
a543a57ab5
commit
ad31783405
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@ -6,4 +6,4 @@ if ! builtins ? nixVersion || builtins.compareVersions requiredVersion builtins.
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else
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import ./pkgs/top-level/all-packages.nix
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import ./pkgs/top-level
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@ -1,143 +1,16 @@
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/* This file composes the Nix Packages collection. That is, it
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imports the functions that build the various packages, and calls
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them with appropriate arguments. The result is a set of all the
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packages in the Nix Packages collection for some particular
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platform. */
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{ system, bootStdenv, noSysDirs, gccWithCC, gccWithProfiling
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, config, crossSystem, platform, lib
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, pkgsWithOverrides, stdenvAdapters, helperFunctions
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, ... }:
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self: pkgs:
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{ # The system (e.g., `i686-linux') for which to build the packages.
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system ? builtins.currentSystem
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, # The standard environment to use. Only used for bootstrapping. If
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# null, the default standard environment is used.
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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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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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# More flags for the bootstrapping of stdenv.
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, gccWithCC ? true
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, gccWithProfiling ? true
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, # Allow a configuration attribute set to be passed in as an
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# argument. Otherwise, it's read from $NIXPKGS_CONFIG or
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# ~/.nixpkgs/config.nix.
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config ? null
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, crossSystem ? null
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, platform ? null
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}:
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let config_ = config; platform_ = platform; in # rename the function arguments
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with pkgs;
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let
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defaultScope = pkgs // pkgs.xorg;
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in
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lib = import ../../lib;
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# The contents of the configuration file found at $NIXPKGS_CONFIG or
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# $HOME/.nixpkgs/config.nix.
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# for NIXOS (nixos-rebuild): use nixpkgs.config option
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config =
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let
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toPath = builtins.toPath;
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getEnv = x: if builtins ? getEnv then builtins.getEnv x else "";
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pathExists = name:
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builtins ? pathExists && builtins.pathExists (toPath name);
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configFile = getEnv "NIXPKGS_CONFIG";
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homeDir = getEnv "HOME";
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configFile2 = homeDir + "/.nixpkgs/config.nix";
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configExpr =
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if config_ != null then config_
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else if configFile != "" && pathExists configFile then import (toPath configFile)
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else if homeDir != "" && pathExists configFile2 then import (toPath configFile2)
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else {};
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in
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# allow both:
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# { /* the config */ } and
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# { pkgs, ... } : { /* the config */ }
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if builtins.isFunction configExpr
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then configExpr { inherit pkgs; }
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else configExpr;
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# Allow setting the platform in the config file. Otherwise, let's use a reasonable default (pc)
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platformAuto = let
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platforms = (import ./platforms.nix);
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in
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if system == "armv6l-linux" then platforms.raspberrypi
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else if system == "armv7l-linux" then platforms.armv7l-hf-multiplatform
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else if system == "armv5tel-linux" then platforms.sheevaplug
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else if system == "mips64el-linux" then platforms.fuloong2f_n32
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else if system == "x86_64-linux" then platforms.pc64
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else if system == "i686-linux" then platforms.pc32
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else platforms.pcBase;
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platform = if platform_ != null then platform_
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else config.platform or platformAuto;
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topLevelArguments = {
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inherit system bootStdenv noSysDirs gccWithCC gccWithProfiling config
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crossSystem platform lib;
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};
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# Allow packages to be overriden 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 overriden packages.
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# The `packageOverrides' function is called with the *original*
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# (un-overriden) 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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pkgs = pkgsWithOverrides (self: config.packageOverrides or (super: {}));
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# stdenvOverrides is used to avoid circular dependencies for building the
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# standard build environment. This mechanism use the override mechanism to
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# 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 overrided packages will not be built with the
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# crossStdenv adapter.
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stdenvOverrides = pkgs:
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lib.optionalAttrs (crossSystem == null && pkgs.stdenv ? overrides)
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(pkgs.stdenv.overrides pkgs);
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# Return the complete set of packages, after applying the overrides
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# returned by the `overrider' function (see above). Warning: this
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# function is very expensive!
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pkgsWithOverrides = overrider:
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let
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# The un-overriden packages, passed to `overrider'.
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pkgs_6 = pkgsFun pkgs;
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pkgs_7 = pkgs_6 // overrider pkgs pkgs_6;
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# The overriden, final packages.
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pkgs = pkgs_7 // stdenvOverrides pkgs_6;
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in pkgs;
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# The package compositions. Yes, this isn't properly indented.
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pkgsFun = pkgs:
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let
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defaultScope = pkgs // pkgs.xorg;
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# Helper functions that are exported through `pkgs'.
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helperFunctions =
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stdenvAdapters //
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(import ../build-support/trivial-builders.nix { inherit lib; inherit (pkgs) stdenv; inherit (pkgs.xorg) lndir; });
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stdenvAdapters =
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import ../stdenv/adapters.nix pkgs;
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stdenvDefault = (import ./stdenv.nix topLevelArguments) {} pkgs;
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self = with pkgs; {
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{
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# Make some arguments passed to all-packages.nix available
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inherit system platform;
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@ -16443,13 +16316,5 @@ let
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mg = callPackage ../applications/editors/mg { };
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}; # self =
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}
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aliases = import ./aliases.nix self;
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in
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helperFunctions // stdenvDefault // self // aliases;
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in
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pkgs
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147
pkgs/top-level/default.nix
Normal file
147
pkgs/top-level/default.nix
Normal file
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@ -0,0 +1,147 @@
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/* This file composes the Nix Packages collection. That is, it
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imports the functions that build the various packages, and calls
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them with appropriate arguments. The result is a set of all the
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packages in the Nix Packages collection for some particular
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platform. */
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{ # The system (e.g., `i686-linux') for which to build the packages.
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system ? builtins.currentSystem
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, # The standard environment to use. Only used for bootstrapping. If
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# null, the default standard environment is used.
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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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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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# More flags for the bootstrapping of stdenv.
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, gccWithCC ? true
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, gccWithProfiling ? true
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, # Allow a configuration attribute set to be passed in as an
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# argument. Otherwise, it's read from $NIXPKGS_CONFIG or
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# ~/.nixpkgs/config.nix.
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config ? null
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, crossSystem ? null
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, platform ? null
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}:
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let config_ = config; platform_ = platform; in # rename the function arguments
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let
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lib = import ../../lib;
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# The contents of the configuration file found at $NIXPKGS_CONFIG or
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# $HOME/.nixpkgs/config.nix.
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# for NIXOS (nixos-rebuild): use nixpkgs.config option
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config =
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let
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toPath = builtins.toPath;
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getEnv = x: if builtins ? getEnv then builtins.getEnv x else "";
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pathExists = name:
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builtins ? pathExists && builtins.pathExists (toPath name);
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configFile = getEnv "NIXPKGS_CONFIG";
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homeDir = getEnv "HOME";
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configFile2 = homeDir + "/.nixpkgs/config.nix";
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configExpr =
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if config_ != null then config_
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else if configFile != "" && pathExists configFile then import (toPath configFile)
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else if homeDir != "" && pathExists configFile2 then import (toPath configFile2)
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else {};
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in
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# allow both:
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# { /* the config */ } and
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# { pkgs, ... } : { /* the config */ }
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if builtins.isFunction configExpr
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then configExpr { inherit pkgs; }
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else configExpr;
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# Allow setting the platform in the config file. Otherwise, let's use a reasonable default (pc)
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platformAuto = let
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platforms = (import ./platforms.nix);
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in
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if system == "armv6l-linux" then platforms.raspberrypi
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else if system == "armv7l-linux" then platforms.armv7l-hf-multiplatform
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else if system == "armv5tel-linux" then platforms.sheevaplug
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else if system == "mips64el-linux" then platforms.fuloong2f_n32
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else if system == "x86_64-linux" then platforms.pc64
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else if system == "i686-linux" then platforms.pc32
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else platforms.pcBase;
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platform = if platform_ != null then platform_
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else config.platform or platformAuto;
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topLevelArguments = {
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inherit system bootStdenv noSysDirs gccWithCC gccWithProfiling config
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crossSystem platform lib;
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};
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# Allow packages to be overriden 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 overriden packages.
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# The `packageOverrides' function is called with the *original*
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# (un-overriden) 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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pkgs = pkgsWithOverrides (self: config.packageOverrides or (super: {}));
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# stdenvOverrides is used to avoid circular dependencies for building the
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# standard build environment. This mechanism use the override mechanism to
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# 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 overrided packages will not be built with the
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# crossStdenv adapter.
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stdenvOverrides = pkgs:
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lib.optionalAttrs (crossSystem == null && pkgs.stdenv ? overrides)
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(pkgs.stdenv.overrides pkgs);
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# Return the complete set of packages, after applying the overrides
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# returned by the `overrider' function (see above). Warning: this
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# function is very expensive!
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pkgsWithOverrides = overrider:
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let
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# The un-overriden packages, passed to `overrider'.
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pkgs_6 = pkgsFun pkgs;
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pkgs_7 = pkgs_6 // overrider pkgs pkgs_6;
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# The overriden, final packages.
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pkgs = pkgs_7 // stdenvOverrides pkgs_6;
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in pkgs;
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# The package compositions. Yes, this isn't properly indented.
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pkgsFun = pkgs:
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let
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# Helper functions that are exported through `pkgs'.
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helperFunctions =
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stdenvAdapters //
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(import ../build-support/trivial-builders.nix { inherit lib; inherit (pkgs) stdenv; inherit (pkgs.xorg) lndir; });
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stdenvAdapters =
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import ../stdenv/adapters.nix pkgs;
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stdenvDefault = (import ./stdenv.nix topLevelArguments) {} pkgs;
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selfArgs = topLevelArguments // { inherit pkgsWithOverrides stdenvAdapters helperFunctions; };
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self = (import ./all-packages.nix selfArgs) self pkgs;
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aliases = import ./aliases.nix self;
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in
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helperFunctions // stdenvDefault // self // aliases;
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in
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pkgs
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