# 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 ./generic; # Trivial environment used for building other environments. stdenvInitial = (import ./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 ./native) { stdenv = stdenvInitial; inherit genericStdenv gccWrapper; }; stdenvNativePkgs = allPackages { bootStdenv = stdenvNative; noSysDirs = false; }; # The Nix build environment. stdenvNix = (import ./nix) (rec { stdenv = if system == "i686-darwin" then stdenvDarwin else stdenvNative; # !!! hack pkgs = allPackages { bootStdenv = removeAttrs stdenv ["gcc"]; # Hack noSysDirs = false; }; }); # Linux standard environment. inherit (import ./linux {inherit allPackages;}) stdenvLinux; # Darwin (Mac OS X) standard environment. Very simple for now # (essentially it's just the native environment). stdenvDarwin = (import ./darwin) { stdenv = stdenvInitial; inherit genericStdenv gccWrapper; }; # FreeBSD standard environment. Right now this is more or less the # same as the native environemnt. Eventually we'll want a pure # environment similar to stdenvLinux. stdenvFreeBSD = (import ./freebsd) { stdenv = stdenvInitial; inherit genericStdenv gccWrapper; }; # Cygwin standard environment. stdenvCygwin = (import ./cygwin) { stdenv = stdenvInitial; inherit genericStdenv gccWrapper; }; # MinGW/MSYS standard environment. stdenvMinGW = (import ./mingw) { inherit system; }; # Select the appropriate stdenv for the platform `system'. stdenv = if system == "i686-linux" then stdenvLinux else if system == "i686-freebsd" then stdenvFreeBSD else if system == "i686-cygwin" then stdenvCygwin else if system == "i686-mingw" then stdenvMinGW else if system == "powerpc-darwin" then stdenvDarwin else if system == "i686-darwin" then stdenvNix else stdenvNative; }