nixpkgs/pkgs/stdenv/default.nix
Matthew Bauer dd584d8eeb stdenv/linux: use isCompatible to find bootstrap tools
This avoids part of the issue where things like armv7a don’t work
because the system doesn’t realize it can use the armv7l bootstrap
tools.
2019-04-19 12:00:44 -04:00

64 lines
2.2 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;
"armv6m-linux" = stagesLinux;
"armv7a-linux" = stagesLinux;
"armv7l-linux" = stagesLinux;
"armv7r-linux" = stagesLinux;
"armv7m-linux" = stagesLinux;
"armv8a-linux" = stagesLinux;
"armv8r-linux" = stagesLinux;
"armv8m-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