77da5efc78
Conflicts: pkgs/development/libraries/glibc/2.19/builder.sh (previous merge taken) pkgs/development/tools/misc/patchelf/default.nix (easy) pkgs/stdenv/generic/setup.sh (previous merge taken)
303 lines
9.3 KiB
Nix
303 lines
9.3 KiB
Nix
# This file constructs the standard build environment for the
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# Linux/i686 platform. It's completely pure; that is, it relies on no
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# external (non-Nix) tools, such as /usr/bin/gcc, and it contains a C
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# compiler and linker that do not search in default locations,
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# ensuring purity of components produced by it.
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# The function defaults are for easy testing.
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{ system ? builtins.currentSystem
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, allPackages ? import ../../top-level/all-packages.nix
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, platform ? null, config ? {}, lib }:
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rec {
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bootstrapFiles =
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if system == "i686-linux" then import ./bootstrap/i686.nix
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else if system == "x86_64-linux" then import ./bootstrap/x86_64.nix
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else if system == "armv5tel-linux" then import ./bootstrap/armv5tel.nix
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else if system == "armv6l-linux" then import ./bootstrap/armv6l.nix
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else if system == "armv7l-linux" then import ./bootstrap/armv6l.nix
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else if system == "mips64el-linux" then import ./bootstrap/loongson2f.nix
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else abort "unsupported platform for the pure Linux stdenv";
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commonPreHook =
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''
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export NIX_ENFORCE_PURITY=1
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${if system == "x86_64-linux" then "NIX_LIB64_IN_SELF_RPATH=1" else ""}
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${if system == "mips64el-linux" then "NIX_LIB32_IN_SELF_RPATH=1" else ""}
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'';
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# The bootstrap process proceeds in several steps.
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# 1) Create a standard environment by downloading pre-built binaries
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# of coreutils, GCC, etc.
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# Download and unpack the bootstrap tools (coreutils, GCC, Glibc, ...).
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bootstrapTools = derivation {
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name = "bootstrap-tools";
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builder = bootstrapFiles.sh;
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args =
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if system == "armv5tel-linux" || system == "armv6l-linux"
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|| system == "armv7l-linux"
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then [ ./scripts/unpack-bootstrap-tools-arm.sh ]
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else [ ./scripts/unpack-bootstrap-tools.sh ];
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# FIXME: get rid of curl.
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inherit (bootstrapFiles) bzip2 mkdir curl cpio;
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tarball = import <nix/fetchurl.nix> {
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inherit (bootstrapFiles.bootstrapTools) url sha256;
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};
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inherit system;
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# Needed by the GCC wrapper.
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langC = true;
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langCC = true;
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};
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# This function builds the various standard environments used during
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# the bootstrap.
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stdenvBootFun =
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{ gcc, extraAttrs ? {}, overrides ? (pkgs: {}), extraBuildInputs ? [], fetchurl }:
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import ../generic {
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inherit system config extraBuildInputs;
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name = "stdenv-linux-boot";
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preHook =
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''
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# Don't patch #!/interpreter because it leads to retained
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# dependencies on the bootstrapTools in the final stdenv.
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dontPatchShebangs=1
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${commonPreHook}
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'';
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shell = "${bootstrapTools}/bin/sh";
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initialPath = [ bootstrapTools ];
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fetchurlBoot = fetchurl;
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inherit gcc;
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# Having the proper 'platform' in all the stdenvs allows getting proper
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# linuxHeaders for example.
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extraAttrs = extraAttrs // { inherit platform; };
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overrides = pkgs: (overrides pkgs) // {
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inherit fetchurl;
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};
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};
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# Build a dummy stdenv with no GCC or working fetchurl. This is
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# because we need a stdenv to build the GCC wrapper and fetchurl.
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stdenvLinuxBoot0 = stdenvBootFun {
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gcc = "/no-such-path";
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fetchurl = null;
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};
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fetchurl = import ../../build-support/fetchurl {
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stdenv = stdenvLinuxBoot0;
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curl = bootstrapTools;
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};
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# The Glibc include directory cannot have the same prefix as the GCC
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# include directory, since GCC gets confused otherwise (it will
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# search the Glibc headers before the GCC headers). So create a
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# dummy Glibc.
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bootstrapGlibc = stdenvLinuxBoot0.mkDerivation {
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name = "bootstrap-glibc";
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buildCommand = ''
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mkdir -p $out
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ln -s ${bootstrapTools}/lib $out/lib
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ln -s ${bootstrapTools}/include-glibc $out/include
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'';
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};
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# A helper function to call gcc-wrapper.
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wrapGCC =
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{ gcc ? bootstrapTools, libc, binutils, coreutils, shell ? "", name ? "bootstrap-gcc-wrapper" }:
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lib.makeOverridable (import ../../build-support/gcc-wrapper) {
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nativeTools = false;
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nativeLibc = false;
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inherit gcc binutils coreutils libc shell name;
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stdenv = stdenvLinuxBoot0;
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};
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# Create the first "real" standard environment. This one consists
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# of bootstrap tools only, and a minimal Glibc to keep the GCC
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# configure script happy.
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stdenvLinuxBoot1 = stdenvBootFun {
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gcc = wrapGCC {
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libc = bootstrapGlibc;
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binutils = bootstrapTools;
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coreutils = bootstrapTools;
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};
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inherit fetchurl;
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};
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# 2) These are the packages that we can build with the first
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# stdenv. We only need binutils, because recent Glibcs
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# require recent Binutils, and those in bootstrap-tools may
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# be too old.
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stdenvLinuxBoot1Pkgs = allPackages {
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inherit system platform;
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bootStdenv = stdenvLinuxBoot1;
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};
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binutils1 = stdenvLinuxBoot1Pkgs.binutils.override { gold = false; };
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# 3) 2nd stdenv that we will use to build only Glibc.
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stdenvLinuxBoot2 = stdenvBootFun {
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gcc = wrapGCC {
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libc = bootstrapGlibc;
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binutils = binutils1;
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coreutils = bootstrapTools;
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};
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overrides = pkgs: {
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inherit (stdenvLinuxBoot1Pkgs) perl;
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};
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inherit fetchurl;
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};
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# 4) These are the packages that we can build with the 2nd
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# stdenv.
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stdenvLinuxBoot2Pkgs = allPackages {
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inherit system platform;
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bootStdenv = stdenvLinuxBoot2;
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};
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# 5) Build Glibc with the bootstrap tools. The result is the full,
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# dynamically linked, final Glibc.
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stdenvLinuxGlibc = stdenvLinuxBoot2Pkgs.glibc;
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# 6) Construct a third stdenv identical to the 2nd, except that this
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# one uses the Glibc built in step 3. It still uses the recent
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# binutils and the rest of the bootstrap tools, including GCC.
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stdenvLinuxBoot3 = stdenvBootFun {
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gcc = wrapGCC {
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binutils = binutils1;
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coreutils = bootstrapTools;
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libc = stdenvLinuxGlibc;
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};
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overrides = pkgs: {
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glibc = stdenvLinuxGlibc;
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inherit (stdenvLinuxBoot1Pkgs) perl;
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# Link GCC statically against GMP etc. This makes sense because
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# these builds of the libraries are only used by GCC, so it
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# reduces the size of the stdenv closure.
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gmp = pkgs.gmp.override { stdenv = pkgs.makeStaticLibraries pkgs.stdenv; };
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mpfr = pkgs.mpfr.override { stdenv = pkgs.makeStaticLibraries pkgs.stdenv; };
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mpc = pkgs.mpc.override { stdenv = pkgs.makeStaticLibraries pkgs.stdenv; };
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isl = pkgs.isl.override { stdenv = pkgs.makeStaticLibraries pkgs.stdenv; };
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cloog = pkgs.cloog.override { stdenv = pkgs.makeStaticLibraries pkgs.stdenv; };
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ppl = pkgs.ppl.override { stdenv = pkgs.makeStaticLibraries pkgs.stdenv; };
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};
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extraAttrs = {
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glibc = stdenvLinuxGlibc; # Required by gcc47 build
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};
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extraBuildInputs = [ stdenvLinuxBoot2Pkgs.patchelf stdenvLinuxBoot1Pkgs.paxctl ];
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inherit fetchurl;
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};
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# 7) The packages that can be built using the third stdenv.
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stdenvLinuxBoot3Pkgs = allPackages {
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inherit system platform;
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bootStdenv = stdenvLinuxBoot3;
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};
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# 8) Construct a fourth stdenv identical to the second, except that
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# this one uses the new GCC from step 7. The other tools
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# (e.g. coreutils) are still from the bootstrap tools.
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stdenvLinuxBoot4 = stdenvBootFun {
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gcc = wrapGCC rec {
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binutils = binutils1;
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coreutils = bootstrapTools;
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libc = stdenvLinuxGlibc;
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gcc = stdenvLinuxBoot3Pkgs.gcc.gcc;
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name = "";
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};
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extraBuildInputs = [ stdenvLinuxBoot2Pkgs.patchelf stdenvLinuxBoot3Pkgs.xz ];
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overrides = pkgs: {
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inherit (stdenvLinuxBoot1Pkgs) perl;
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inherit (stdenvLinuxBoot3Pkgs) gettext gnum4 gmp;
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};
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inherit fetchurl;
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};
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# 9) The packages that can be built using the fourth stdenv.
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stdenvLinuxBoot4Pkgs = allPackages {
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inherit system platform;
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bootStdenv = stdenvLinuxBoot4;
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};
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# 10) Construct the final stdenv. It uses the Glibc and GCC, and
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# adds in a new binutils that doesn't depend on bootstrap-tools,
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# as well as dynamically linked versions of all other tools.
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#
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# When updating stdenvLinux, make sure that the result has no
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# dependency (`nix-store -qR') on bootstrapTools or the
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# first binutils built.
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stdenvLinux = import ../generic rec {
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inherit system config;
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preHook =
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''
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# Make "strip" produce deterministic output, by setting
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# timestamps etc. to a fixed value.
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commonStripFlags="--enable-deterministic-archives"
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${commonPreHook}
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'';
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initialPath =
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((import ../common-path.nix) {pkgs = stdenvLinuxBoot4Pkgs;});
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extraBuildInputs =
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[ stdenvLinuxBoot4Pkgs.patchelf stdenvLinuxBoot4Pkgs.paxctl ];
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gcc = wrapGCC rec {
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inherit (stdenvLinuxBoot4Pkgs) binutils coreutils;
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libc = stdenvLinuxGlibc;
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gcc = stdenvLinuxBoot4.gcc.gcc;
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shell = stdenvLinuxBoot4Pkgs.bash + "/bin/bash";
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name = "";
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};
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shell = stdenvLinuxBoot4Pkgs.bash + "/bin/bash";
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fetchurlBoot = fetchurl;
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extraAttrs = {
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glibc = stdenvLinuxGlibc;
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inherit platform bootstrapTools;
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shellPackage = stdenvLinuxBoot4Pkgs.bash;
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};
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overrides = pkgs: {
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inherit gcc;
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inherit (stdenvLinuxBoot3Pkgs) glibc;
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inherit (stdenvLinuxBoot4Pkgs) binutils;
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inherit (stdenvLinuxBoot4Pkgs)
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gzip bzip2 xz bash coreutils diffutils findutils gawk
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gnumake gnused gnutar gnugrep gnupatch patchelf
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attr acl pcre paxctl;
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};
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};
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}
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