2016-12-16 14:22:02 +01:00
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# This file chooses a sane default stdenv given the system, platform, etc.
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2004-02-19 17:33:10 +01:00
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#
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2016-12-16 14:22:02 +01:00
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# Rather than returning a stdenv, this returns a list of functions---one per
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# each bootstrapping stage. See `./booter.nix` for exactly what this list should
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# contain.
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2004-02-19 17:33:10 +01:00
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2016-11-27 21:37:45 +01:00
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{ # Args just for stdenvs' usage
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2016-12-16 14:22:02 +01:00
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lib
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# Args to pass on to the pkgset builder, too
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2018-12-05 04:06:46 +01:00
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, localSystem, crossSystem, config, overlays, crossOverlays ? []
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2016-12-01 00:51:13 +01:00
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} @ args:
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2006-02-08 18:37:45 +01:00
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2016-11-13 19:38:41 +01:00
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let
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2004-02-19 17:33:10 +01:00
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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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2016-12-16 14:22:02 +01:00
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stagesNative = import ./native args;
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2004-02-19 17:33:10 +01:00
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# The Nix build environment.
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2016-12-16 14:22:02 +01:00
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stagesNix = import ./nix (args // { bootStages = stagesNative; });
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2004-03-29 19:23:01 +02:00
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2016-12-16 14:22:02 +01:00
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stagesFreeBSD = import ./freebsd args;
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2015-11-26 03:35:12 +01:00
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2016-12-16 14:22:02 +01:00
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# On Linux systems, the standard build environment consists of Nix-built
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# instances glibc and the `standard' Unix tools, i.e., the Posix utilities,
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# the GNU C compiler, and so on.
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2016-12-24 16:38:56 +01:00
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stagesLinux = import ./linux args;
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2004-05-18 12:59:18 +02:00
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2016-12-16 14:22:02 +01:00
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inherit (import ./darwin args) stagesDarwin;
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2016-11-07 06:27:38 +01:00
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2016-12-16 14:22:02 +01:00
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stagesCross = import ./cross args;
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2015-06-18 19:03:32 +02:00
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2016-12-16 14:22:02 +01:00
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stagesCustom = import ./custom args;
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2016-04-27 18:09:27 +02:00
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2016-12-16 14:22:02 +01:00
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# Select the appropriate stages for the platform `system'.
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2016-11-13 19:38:41 +01:00
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in
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2018-12-05 04:06:46 +01:00
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if crossSystem != localSystem || crossOverlays != [] then stagesCross
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2016-12-16 14:22:02 +01:00
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else if config ? replaceStdenv then stagesCustom
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else { # switch
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"i686-linux" = stagesLinux;
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"x86_64-linux" = stagesLinux;
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"armv5tel-linux" = stagesLinux;
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"armv6l-linux" = stagesLinux;
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2019-04-11 00:38:20 +02:00
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"armv6m-linux" = stagesLinux;
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2018-12-06 17:55:08 +01:00
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"armv7a-linux" = stagesLinux;
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2016-12-16 14:22:02 +01:00
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"armv7l-linux" = stagesLinux;
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2019-04-11 00:38:20 +02:00
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"armv7r-linux" = stagesLinux;
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"armv7m-linux" = stagesLinux;
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"armv8a-linux" = stagesLinux;
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"armv8r-linux" = stagesLinux;
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"armv8m-linux" = stagesLinux;
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2016-02-04 23:47:23 +01:00
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"aarch64-linux" = stagesLinux;
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2017-12-05 11:27:45 +01:00
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"mipsel-linux" = stagesLinux;
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2016-12-16 14:22:02 +01:00
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"powerpc-linux" = /* stagesLinux */ stagesNative;
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2018-08-21 21:31:34 +02:00
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"powerpc64le-linux" = stagesLinux;
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2016-12-16 14:22:02 +01:00
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"x86_64-darwin" = stagesDarwin;
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"x86_64-solaris" = stagesNix;
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"i686-cygwin" = stagesNative;
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"x86_64-cygwin" = stagesNative;
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"x86_64-freebsd" = stagesFreeBSD;
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2016-12-24 19:55:11 +01:00
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}.${localSystem.system} or stagesNative
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