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83 lines
2.3 KiB
Nix
83 lines
2.3 KiB
Nix
# This file defines the various standard build environments.
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#
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# On Linux systems, the standard build environment consists of
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# Nix-built instances glibc and the `standard' Unix tools, i.e., the
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# Posix utilities, the GNU C compiler, and so on. On other systems,
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# we use the native C library.
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{system, allPackages}:
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rec {
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gccWrapper = import ../build-support/gcc-wrapper;
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genericStdenv = import ./generic;
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# Trivial environment used for building other environments.
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stdenvInitial = (import ./initial) {
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name = "stdenv-initial";
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inherit system;
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};
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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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stdenvNative = (import ./native) {
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stdenv = stdenvInitial;
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inherit genericStdenv gccWrapper;
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};
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stdenvNativePkgs = allPackages {
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bootStdenv = stdenvNative;
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noSysDirs = false;
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};
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# The Nix build environment.
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stdenvNix = (import ./nix) {
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stdenv = stdenvNative;
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pkgs = stdenvNativePkgs;
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inherit genericStdenv gccWrapper;
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};
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# Linux standard environment.
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inherit (import ./linux {inherit allPackages;}) stdenvLinux;
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# Darwin (Mac OS X) standard environment. Very simple for now
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# (essentially it's just the native environment).
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stdenvDarwin = (import ./darwin) {
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stdenv = stdenvInitial;
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inherit genericStdenv gccWrapper;
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};
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# FreeBSD standard environment. Right now this is more or less the
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# same as the native environemnt. Eventually we'll want a pure
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# environment similar to stdenvLinux.
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stdenvFreeBSD = (import ./freebsd) {
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stdenv = stdenvInitial;
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inherit genericStdenv gccWrapper;
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};
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# Cygwin standard environment.
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stdenvCygwin = (import ./cygwin) {
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stdenv = stdenvInitial;
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inherit genericStdenv gccWrapper;
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};
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# Select the appropriate stdenv for the platform `system'.
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stdenv =
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if system == "i686-linux" then stdenvLinux
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else if system == "i686-freebsd" then stdenvFreeBSD
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else if system == "i686-cygwin" then stdenvCygwin
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else if system == "powerpc-darwin" then stdenvDarwin
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else stdenvNative;
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}
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