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# 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}: rec {
gccWrapper = import ../build-support/gcc-wrapper;
genericStdenv = import ../stdenv/generic;
# Trivial environment used for building other environments.
stdenvInitial = (import ../stdenv/initial) {
name = "stdenv-initial";
inherit system;
};
# 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).
stdenvNative = (import ../stdenv/native) {
stdenv = stdenvInitial;
inherit genericStdenv gccWrapper;
};
stdenvNativePkgs = allPackages {
stdenv = stdenvNative;
bootCurl = null;
noSysDirs = false;
};
# The Nix build environment.
stdenvNix = (import ../stdenv/nix) {
stdenv = stdenvNative;
pkgs = stdenvNativePkgs;
inherit genericStdenv gccWrapper;
};
stdenvNixPkgs = allPackages {
stdenv = stdenvNix;
bootCurl = stdenvNativePkgs.curl;
noSysDirs = false;
};
# Linux standard environment.
inherit (import ../stdenv/nix-linux-static) stdenvLinux stdenvLinuxPkgs;
# Darwin (Mac OS X) standard environment. Very simple for now
# (essentially it's just the native environment).
stdenvDarwin = (import ../stdenv/darwin) {
stdenv = stdenvInitial;
genericStdenv = import ../stdenv/generic-branch;
inherit gccWrapper;
};
stdenvDarwinPkgs = allPackages {
stdenv = stdenvDarwin;
bootCurl = null;
noSysDirs = false;
};
stdenvTestPkgs = allPackages {
stdenv = (import ../stdenv/nix-linux-static).stdenvInitial;
bootCurl = (import ../stdenv/nix-linux-static).curl;
noSysDirs = true;
};
}
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