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https://github.com/NixOS/nixpkgs.git
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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.
67 lines
2.3 KiB
Nix
67 lines
2.3 KiB
Nix
# This file defines the various standard build environments.
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#
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# On Linux systems, the standard build environment consists of
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# Nix-built instances glibc and the `standard' Unix tools, i.e., the
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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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{ # Args just for stdenvs' usage
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lib, allPackages
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# Args to pass on to `allPacakges` too
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, system, platform, crossSystem, config
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} @ args:
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let
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# The native (i.e., impure) build environment. This one uses the
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# tools installed on the system outside of the Nix environment,
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# i.e., the stuff in /bin, /usr/bin, etc. This environment should
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# be used with care, since many Nix packages will not build properly
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# with it (e.g., because they require GNU Make).
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inherit (import ./native args) stdenvNative;
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stdenvNativePkgs = allPackages {
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inherit system platform crossSystem config;
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allowCustomOverrides = false;
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stdenv = stdenvNative;
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noSysDirs = false;
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};
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# The Nix build environment.
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stdenvNix = assert crossSystem == null; import ./nix {
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inherit config lib;
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stdenv = stdenvNative;
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pkgs = stdenvNativePkgs;
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};
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inherit (import ./freebsd args) stdenvFreeBSD;
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# Linux standard environment.
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inherit (import ./linux args) stdenvLinux;
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inherit (import ./darwin args) stdenvDarwin;
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inherit (import ./cross args) stdenvCross stdenvCrossiOS;
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inherit (import ./custom args) stdenvCustom;
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# Select the appropriate stdenv for the platform `system'.
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in
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if crossSystem != null then
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if crossSystem.useiOSCross or false then stdenvCrossiOS
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else stdenvCross else
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if config ? replaceStdenv then stdenvCustom 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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if system == "armv6l-linux" then stdenvLinux else
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if system == "armv7l-linux" then stdenvLinux else
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if system == "mips64el-linux" then stdenvLinux else
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if system == "powerpc-linux" then /* stdenvLinux */ stdenvNative else
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if system == "x86_64-darwin" then stdenvDarwin else
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if system == "x86_64-solaris" then stdenvNix else
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if system == "i686-cygwin" then stdenvNative else
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if system == "x86_64-cygwin" then stdenvNative else
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if system == "x86_64-freebsd" then stdenvFreeBSD else
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stdenvNative
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