nixpkgs/pkgs/stdenv/default.nix
John Ericson e22346c35e top-level: Make stdenvCross which appears at first glance normal...
...but actually is weird just like the original
2016-11-06 21:27:38 -08:00

60 lines
2.2 KiB
Nix

# This file defines the various standard build environments.
#
# 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. On other systems,
# we use the native C library.
{ system, allPackages ? import ../.., platform, config, crossSystem, lib }:
rec {
# 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).
inherit (import ./native { inherit system allPackages config; }) stdenvNative;
stdenvNativePkgs = allPackages {
bootStdenv = stdenvNative;
noSysDirs = false;
};
# The Nix build environment.
stdenvNix = import ./nix {
inherit config lib;
stdenv = stdenvNative;
pkgs = stdenvNativePkgs;
};
inherit (import ./freebsd { inherit system allPackages platform config; }) stdenvFreeBSD;
# Linux standard environment.
inherit (import ./linux { inherit system allPackages platform config lib; }) stdenvLinux;
inherit (import ./darwin { inherit system allPackages platform config; }) stdenvDarwin;
inherit (import ./cross { inherit system allPackages platform crossSystem config lib; }) stdenvCross;
# Select the appropriate stdenv for the platform `system'.
stdenv =
if crossSystem != null then stdenvCross else
if system == "i686-linux" then stdenvLinux else
if system == "x86_64-linux" then stdenvLinux else
if system == "armv5tel-linux" then stdenvLinux else
if system == "armv6l-linux" then stdenvLinux else
if system == "armv7l-linux" then stdenvLinux else
if system == "mips64el-linux" then stdenvLinux else
if system == "powerpc-linux" then /* stdenvLinux */ stdenvNative else
if system == "x86_64-darwin" then stdenvDarwin else
if system == "x86_64-solaris" then stdenvNix else
if system == "i686-cygwin" then stdenvNative else
if system == "x86_64-cygwin" then stdenvNative else
if system == "x86_64-freebsd" then stdenvFreeBSD else
stdenvNative;
}