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refactor stdenvs.nix to use all the right tools at the right time

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svn path=/nixpkgs/branches/nixos-pkgs/; revision=1870
This commit is contained in:
Armijn Hemel 2004-12-15 15:42:48 +00:00
parent d6702d185a
commit f9743cec5a
1 changed files with 14 additions and 10 deletions
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24
pkgs/system/stdenvs.nix
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@ -53,7 +53,10 @@
# environment, that is, it should contain no external references.
# 0) ...
stdenvLinuxBoot0 = (import ../stdenv/nix-linux-static).stdenvBoot;
stdenvLinuxBoot0 = (import ../stdenv/nix-linux-static).stdenvBootFun {
# Use the statically linked, downloaded glibc/gcc/binutils.
inherit (import ../stdenv/nix-linux-static) glibc gcc binutils;
};
stdenvLinuxBoot0Pkgs = allPackages {
stdenv = stdenvLinuxBoot0;
@ -72,7 +75,10 @@
# prevent impurity in the things it builds (e.g., through
# `-lncurses').
stdenvLinuxBoot1 = (import ../stdenv/nix-linux-static).stdenvBootFun {
# Use the statically linked, downloaded gcc/binutils, but the
# glibc we just built.
glibc = stdenvLinuxGlibc;
inherit (import ../stdenv/nix-linux-static) gcc binutils;
};
# 3) Now we can build packages that will link against the Nix
@ -83,33 +89,31 @@
stdenvLinuxBoot1Pkgs = allPackages {
stdenv = stdenvLinuxBoot1;
bootCurl = (import ../stdenv/nix-linux-static).curl;
noSysDirs = true;
};
# 4) Therefore we build a new standard environment which is the same
# as the one in step 2, but with a gcc and binutils from step 3
# merged in. Since these are pure (they don't search native
# system directories), things built by this stdenv should be pure.
stdenvLinuxBoot2 = (import ../stdenv/nix-linux) {
stdenv = stdenvLinuxBoot1;
pkgs = stdenvLinuxBoot0Pkgs // {
inherit (stdenvLinuxBoot1Pkgs) gcc binutils;
};
stdenvLinuxBoot2 = (import ../stdenv/nix-linux-static).stdenvBootFun {
# Use the glibc/gcc/binutils we just built (but all other tools are still downloaded).
glibc = stdenvLinuxGlibc;
inherit genericStdenv gccWrapper;
inherit (stdenvLinuxBoot1Pkgs) gcc binutils;
};
# 5) So these packages should be pure.
stdenvLinuxBoot2Pkgs = allPackages {
stdenv = stdenvLinuxBoot2;
bootCurl = stdenvLinuxBoot0Pkgs.curl;
bootCurl = (import ../stdenv/nix-linux-static).curl;
};
# 6) Finally we can construct the Nix build environment from the
# packages from step 5.
stdenvLinux = (import ../stdenv/nix-linux) {
stdenv = stdenvLinuxBoot2;
pkgs = stdenvLinuxBoot2Pkgs;
pkgs = stdenvLinuxBoot2Pkgs // {
inherit (stdenvLinuxBoot1Pkgs) gcc binutils;
};
glibc = stdenvLinuxGlibc;
inherit genericStdenv gccWrapper;
};