mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-25 03:17:13 +00:00
58 lines
2 KiB
Nix
58 lines
2 KiB
Nix
# This file chooses a sane default stdenv given the system, platform, etc.
|
|
#
|
|
# Rather than returning a stdenv, this returns a list of functions---one per
|
|
# each bootstrapping stage. See `./booter.nix` for exactly what this list should
|
|
# contain.
|
|
|
|
{ # Args just for stdenvs' usage
|
|
lib
|
|
# Args to pass on to the pkgset builder, too
|
|
, localSystem, crossSystem, config, overlays, crossOverlays ? []
|
|
} @ args:
|
|
|
|
let
|
|
# The native (i.e., impure) build environment. This one uses the
|
|
# tools installed on the system outside of the Nix environment,
|
|
# i.e., the stuff in /bin, /usr/bin, etc. This environment should
|
|
# be used with care, since many Nix packages will not build properly
|
|
# with it (e.g., because they require GNU Make).
|
|
stagesNative = import ./native args;
|
|
|
|
# The Nix build environment.
|
|
stagesNix = import ./nix (args // { bootStages = stagesNative; });
|
|
|
|
stagesFreeBSD = import ./freebsd args;
|
|
|
|
# On Linux systems, the standard build environment consists of Nix-built
|
|
# instances glibc and the `standard' Unix tools, i.e., the Posix utilities,
|
|
# the GNU C compiler, and so on.
|
|
stagesLinux = import ./linux args;
|
|
|
|
inherit (import ./darwin args) stagesDarwin;
|
|
|
|
stagesCross = import ./cross args;
|
|
|
|
stagesCustom = import ./custom args;
|
|
|
|
# Select the appropriate stages for the platform `system'.
|
|
in
|
|
if crossSystem != localSystem || crossOverlays != [] then stagesCross
|
|
else if config ? replaceStdenv then stagesCustom
|
|
else { # switch
|
|
"i686-linux" = stagesLinux;
|
|
"x86_64-linux" = stagesLinux;
|
|
"armv5tel-linux" = stagesLinux;
|
|
"armv6l-linux" = stagesLinux;
|
|
"armv7a-linux" = stagesLinux;
|
|
"armv7l-linux" = stagesLinux;
|
|
"aarch64-linux" = stagesLinux;
|
|
"mipsel-linux" = stagesLinux;
|
|
"powerpc-linux" = /* stagesLinux */ stagesNative;
|
|
"powerpc64le-linux" = stagesLinux;
|
|
"x86_64-darwin" = stagesDarwin;
|
|
"x86_64-solaris" = stagesNix;
|
|
"i686-cygwin" = stagesNative;
|
|
"x86_64-cygwin" = stagesNative;
|
|
"x86_64-freebsd" = stagesFreeBSD;
|
|
}.${localSystem.system} or stagesNative
|