68 lines
1.9 KiB
Nix
68 lines
1.9 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.
|
|
|
|
|
|
# stdenvType exists to support multiple kinds of stdenvs on the same
|
|
# system, e.g., cygwin and mingw builds on i686-cygwin. Most people
|
|
# can ignore it.
|
|
|
|
{system, stdenvType ? system, allPackages}:
|
|
|
|
assert system != "i686-cygwin" -> system == stdenvType;
|
|
|
|
|
|
rec {
|
|
|
|
|
|
# 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 {
|
|
inherit stdenvInitial;
|
|
};
|
|
|
|
stdenvNativePkgs = allPackages {
|
|
bootStdenv = stdenvNative;
|
|
noSysDirs = false;
|
|
};
|
|
|
|
|
|
# The Nix build environment.
|
|
stdenvNix = import ./nix (rec {
|
|
stdenv = stdenvNative;
|
|
pkgs = stdenvNativePkgs;
|
|
});
|
|
|
|
|
|
# Linux standard environment.
|
|
stdenvLinux = (import ./linux {inherit system allPackages;}).stdenvLinux;
|
|
|
|
|
|
# MinGW/MSYS standard environment.
|
|
stdenvMinGW = import ./mingw {
|
|
inherit system;
|
|
};
|
|
|
|
|
|
# Select the appropriate stdenv for the platform `system'.
|
|
stdenv =
|
|
if stdenvType == "i686-linux" then stdenvLinux else
|
|
if stdenvType == "x86_64-linux" then stdenvLinux else
|
|
if stdenvType == "powerpc-linux" then stdenvLinux else
|
|
if stdenvType == "i686-mingw" then stdenvMinGW else
|
|
if stdenvType == "i686-darwin" then stdenvNix else
|
|
stdenvNative;
|
|
}
|