mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 07:23:20 +00:00
103 lines
3.2 KiB
Nix
103 lines
3.2 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}: 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;};
|
|
|
|
stdenvNativePkgs = allPackages {
|
|
stdenv = stdenvNative;
|
|
bootCurl = null;
|
|
noSysDirs = false;
|
|
};
|
|
|
|
|
|
# The Nix build environment.
|
|
stdenvNix = (import ../stdenv/nix) {
|
|
stdenv = stdenvNative;
|
|
pkgs = allPackages {stdenv = stdenvNative; noSysDirs = false;};
|
|
};
|
|
|
|
stdenvNixPkgs = allPackages {stdenv = stdenvNix;};
|
|
|
|
|
|
# The Linux build environment is a fully bootstrapped Nix
|
|
# environment, that is, it should contain no external references.
|
|
|
|
# 1) Build glibc in the Nix build environment. The result is
|
|
# pure.
|
|
stdenvLinuxGlibc = stdenvNativePkgs.glibc; # !!! should be NixPkgs, but doesn't work
|
|
|
|
# 2) Construct a stdenv consisting of the native build environment,
|
|
# plus the pure glibc.
|
|
stdenvLinuxBoot1 = (import ../stdenv/nix-linux/boot.nix) {
|
|
stdenv = stdenvNative;
|
|
glibc = stdenvLinuxGlibc;
|
|
inherit genericStdenv gccWrapper;
|
|
};
|
|
|
|
# 3) Now we can build packages that will have the Nix glibc.
|
|
stdenvLinuxBoot1Pkgs = allPackages {
|
|
stdenv = stdenvLinuxBoot1;
|
|
bootCurl = null;
|
|
};
|
|
|
|
# 4) However, since these packages are built by an native C compiler
|
|
# and linker, they may well pick up impure references (e.g., bash
|
|
# might end up linking against /lib/libncurses). So repeat, but
|
|
# now use the Nix-built tools from step 2/3.
|
|
stdenvLinuxBoot2 = (import ../stdenv/nix-linux) {
|
|
stdenv = stdenvLinuxBoot1;
|
|
pkgs = stdenvLinuxBoot1Pkgs;
|
|
glibc = stdenvLinuxGlibc;
|
|
inherit genericStdenv gccWrapper;
|
|
};
|
|
|
|
# 5) These packages should be pure.
|
|
stdenvLinuxBoot2Pkgs = allPackages {
|
|
stdenv = stdenvLinuxBoot2;
|
|
bootCurl = stdenvLinuxBoot1Pkgs.curl;
|
|
};
|
|
|
|
# 6) So finally we can construct the Nix build environment.
|
|
stdenvLinux = (import ../stdenv/nix-linux) {
|
|
stdenv = stdenvLinuxBoot2;
|
|
pkgs = stdenvLinuxBoot2Pkgs;
|
|
glibc = stdenvLinuxGlibc;
|
|
inherit genericStdenv gccWrapper;
|
|
};
|
|
|
|
# 7) And we can build all packages against that, but we don't
|
|
# rebuild stuff from step 6.
|
|
stdenvLinuxPkgs =
|
|
allPackages {
|
|
stdenv = stdenvLinux;
|
|
bootCurl = stdenvLinuxBoot2Pkgs.curl;
|
|
} //
|
|
{inherit (stdenvLinuxBoot2Pkgs)
|
|
gzip bzip2 bash binutils coreutils diffutils findutils gawk gcc
|
|
gnumake gnused gnutar gnugrep wget;
|
|
} //
|
|
{glibc = stdenvLinuxGlibc;};
|
|
}
|