0313b2e09c
This un-hardcodes the bootstrap tools passed into the Darwin stdenv and thus allows us to quickly iterate on improving the design of the full bootstrap process. We can easily change the contents of the bootstrap tools and evaluate an entire bootstrap all the way up to real packages.
310 lines
10 KiB
Nix
310 lines
10 KiB
Nix
{ system ? builtins.currentSystem
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, allPackages ? import ../../top-level/all-packages.nix
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, platform ? null
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, config ? {}
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# Allow passing in bootstrap files directly so we can test the stdenv bootstrap process when changing the bootstrap tools
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, bootstrapFiles ? let
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fetch = { file, sha256, executable ? true }: import <nix/fetchurl.nix> {
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url = "http://tarballs.nixos.org/stdenv-darwin/x86_64/4f07c88d467216d9692fefc951deb5cd3c4cc722/${file}";
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inherit sha256 system executable;
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}; in {
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sh = fetch { file = "sh"; sha256 = "1siix3wakzil31r2cydmh3v8a1nyq4605dwiabqc5lx73j4xzrzi"; };
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bzip2 = fetch { file = "bzip2"; sha256 = "0zvqm977k11b5cl4ixxb5h0ds24g6z0f8m28z4pqxzpa353lqbla"; };
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mkdir = fetch { file = "mkdir"; sha256 = "13frk8lsfgzlb65p9l26cvxf06aag43yjk7vg9msn7ix3v8cmrg1"; };
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cpio = fetch { file = "cpio"; sha256 = "0ms5i9m1vdksj575sf1djwgm7zhnvfrrb44dxnfh9avr793rc2w4"; };
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tarball = fetch { file = "bootstrap-tools.cpio.bz2"; sha256 = "1lz1b0grl4642h6n635xvi6imf0yyy1zyzdr9ing5aphzz0z5iic"; executable = false; };
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}
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}:
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let
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libSystemProfile = ''
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(import "${./standard-sandbox.sb}")
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'';
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in rec {
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allPackages = import ../../top-level/all-packages.nix;
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commonPreHook = ''
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export NIX_ENFORCE_PURITY=1
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export NIX_IGNORE_LD_THROUGH_GCC=1
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stripAllFlags=" " # the Darwin "strip" command doesn't know "-s"
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export MACOSX_DEPLOYMENT_TARGET=10.7
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export SDKROOT=
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export CMAKE_OSX_ARCHITECTURES=x86_64
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# Workaround for https://openradar.appspot.com/22671534 on 10.11.
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export gl_cv_func_getcwd_abort_bug=no
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'';
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# The one dependency of /bin/sh :(
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binShClosure = ''
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(allow file-read* (literal "/usr/lib/libncurses.5.4.dylib"))
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'';
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bootstrapTools = derivation rec {
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inherit system;
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name = "bootstrap-tools";
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builder = bootstrapFiles.sh; # Not a filename! Attribute 'sh' on bootstrapFiles
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args = [ ./unpack-bootstrap-tools.sh ];
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inherit (bootstrapFiles) mkdir bzip2 cpio tarball;
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__sandboxProfile = binShClosure + libSystemProfile;
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};
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stageFun = step: last: {shell ? "${bootstrapTools}/bin/sh",
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overrides ? (pkgs: {}),
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extraPreHook ? "",
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extraBuildInputs ? with last.pkgs; [ xz darwin.CF libcxx ],
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extraInitialPath ? [],
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allowedRequisites ? null}:
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let
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thisStdenv = import ../generic {
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inherit system config shell extraBuildInputs allowedRequisites;
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name = "stdenv-darwin-boot-${toString step}";
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cc = if isNull last then "/dev/null" else import ../../build-support/cc-wrapper {
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inherit shell;
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inherit (last) stdenv;
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inherit (last.pkgs.darwin) dyld;
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nativeTools = true;
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nativePrefix = bootstrapTools;
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nativeLibc = false;
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libc = last.pkgs.darwin.Libsystem;
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isClang = true;
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cc = { name = "clang-9.9.9"; outPath = bootstrapTools; };
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};
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preHook = stage0.stdenv.lib.optionalString (shell == "${bootstrapTools}/bin/sh") ''
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# Don't patch #!/interpreter because it leads to retained
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# dependencies on the bootstrapTools in the final stdenv.
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dontPatchShebangs=1
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'' + ''
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${commonPreHook}
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${extraPreHook}
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'';
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initialPath = extraInitialPath ++ [ bootstrapTools ];
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fetchurlBoot = import ../../build-support/fetchurl {
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stdenv = stage0.stdenv;
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curl = bootstrapTools;
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};
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# The stdenvs themselves don't use mkDerivation, so I need to specify this here
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stdenvSandboxProfile = binShClosure + libSystemProfile;
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extraSandboxProfile = binShClosure + libSystemProfile;
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extraAttrs = { inherit platform; };
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overrides = pkgs: (overrides pkgs) // { fetchurl = thisStdenv.fetchurlBoot; };
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};
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thisPkgs = allPackages {
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inherit system platform;
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bootStdenv = thisStdenv;
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};
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in { stdenv = thisStdenv; pkgs = thisPkgs; };
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stage0 = stageFun 0 null {
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overrides = orig: with stage0; rec {
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darwin = orig.darwin // {
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Libsystem = stdenv.mkDerivation {
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name = "bootstrap-Libsystem";
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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-Libsystem $out/include
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'';
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};
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dyld = bootstrapTools;
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};
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libcxx = stdenv.mkDerivation {
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name = "bootstrap-libcxx";
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phases = [ "installPhase" "fixupPhase" ];
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installPhase = ''
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mkdir -p $out/lib $out/include
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ln -s ${bootstrapTools}/lib/libc++.dylib $out/lib/libc++.dylib
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ln -s ${bootstrapTools}/include/c++ $out/include/c++
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'';
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linkCxxAbi = false;
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setupHook = ../../development/compilers/llvm/3.6/libc++/setup-hook.sh;
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};
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libcxxabi = stdenv.mkDerivation {
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name = "bootstrap-libcxxabi";
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buildCommand = ''
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mkdir -p $out/lib
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ln -s ${bootstrapTools}/lib/libc++abi.dylib $out/lib/libc++abi.dylib
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'';
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};
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};
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extraBuildInputs = [];
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};
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persistent0 = _: {};
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stage1 = with stage0; stageFun 1 stage0 {
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extraPreHook = "export NIX_CFLAGS_COMPILE+=\" -F${bootstrapTools}/Library/Frameworks\"";
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extraBuildInputs = [ pkgs.libcxx ];
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allowedRequisites =
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[ bootstrapTools ] ++ (with pkgs; [ libcxx libcxxabi ]) ++ [ pkgs.darwin.Libsystem ];
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overrides = persistent0;
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};
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persistent1 = orig: with stage1.pkgs; {
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inherit
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zlib patchutils m4 scons flex perl bison unifdef unzip openssl icu python
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libxml2 gettext sharutils gmp libarchive ncurses pkg-config libedit groff
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openssh sqlite sed serf openldap db cyrus-sasl expat apr-util subversion xz
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findfreetype libssh curl cmake autoconf automake libtool ed cpio coreutils;
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darwin = orig.darwin // {
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inherit (darwin)
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dyld Libsystem xnu configd libdispatch libclosure launchd;
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};
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};
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stage2 = with stage1; stageFun 2 stage1 {
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extraPreHook = ''
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export PATH_LOCALE=${pkgs.darwin.locale}/share/locale
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'';
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allowedRequisites =
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[ bootstrapTools ] ++
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(with pkgs; [ xz libcxx libcxxabi icu ]) ++
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(with pkgs.darwin; [ dyld Libsystem CF locale ]);
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overrides = persistent1;
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};
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persistent2 = orig: with stage2.pkgs; {
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inherit
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patchutils m4 scons flex perl bison unifdef unzip openssl python
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gettext sharutils libarchive pkg-config groff bash subversion
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openssh sqlite sed serf openldap db cyrus-sasl expat apr-util
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findfreetype libssh curl cmake autoconf automake libtool cpio
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libcxx libcxxabi;
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darwin = orig.darwin // {
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inherit (darwin)
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dyld Libsystem xnu configd libdispatch libclosure launchd libiconv locale;
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};
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};
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stage3 = with stage2; stageFun 3 stage2 {
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shell = "${pkgs.bash}/bin/bash";
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# We have a valid shell here (this one has no bootstrap-tools runtime deps) so stageFun
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# enables patchShebangs above. Unfortunately, patchShebangs ignores our $SHELL setting
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# and instead goes by $PATH, which happens to contain bootstrapTools. So it goes and
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# patches our shebangs back to point at bootstrapTools. This makes sure bash comes first.
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extraInitialPath = [ pkgs.bash ];
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extraPreHook = ''
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export PATH_LOCALE=${pkgs.darwin.locale}/share/locale
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'';
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allowedRequisites =
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[ bootstrapTools ] ++
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(with pkgs; [ icu bash libcxx libcxxabi ]) ++
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(with pkgs.darwin; [ dyld Libsystem locale ]);
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overrides = persistent2;
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};
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persistent3 = orig: with stage3.pkgs; {
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inherit
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gnumake gzip gnused bzip2 gawk ed xz patch bash
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libcxxabi libcxx ncurses libffi zlib gmp pcre gnugrep
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coreutils findutils diffutils patchutils;
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llvmPackages = let llvmOverride = llvmPackages.llvm.override { inherit libcxxabi; };
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in orig.llvmPackages // {
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llvm = llvmOverride;
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clang-unwrapped = llvmPackages.clang-unwrapped.override { llvm = llvmOverride; };
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};
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darwin = orig.darwin // {
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inherit (darwin) dyld Libsystem libiconv locale;
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};
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};
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stage4 = with stage3; stageFun 4 stage3 {
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shell = "${pkgs.bash}/bin/bash";
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extraInitialPath = [ pkgs.bash ];
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extraPreHook = ''
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export PATH_LOCALE=${pkgs.darwin.locale}/share/locale
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'';
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overrides = persistent3;
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};
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persistent4 = orig: with stage4.pkgs; {
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inherit
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gnumake gzip gnused bzip2 gawk ed xz patch bash
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libcxxabi libcxx ncurses libffi zlib icu llvm gmp pcre gnugrep
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coreutils findutils diffutils patchutils binutils binutils-raw;
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llvmPackages = orig.llvmPackages // {
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inherit (llvmPackages) llvm clang-unwrapped;
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};
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darwin = orig.darwin // {
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inherit (darwin) dyld Libsystem cctools libiconv;
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};
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};
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stage5 = with stage4; import ../generic rec {
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inherit system config;
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inherit (stdenv) fetchurlBoot;
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name = "stdenv-darwin";
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preHook = commonPreHook + ''
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export PATH_LOCALE=${pkgs.darwin.locale}/share/locale
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'';
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stdenvSandboxProfile = binShClosure + libSystemProfile;
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extraSandboxProfile = binShClosure + libSystemProfile;
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initialPath = import ../common-path.nix { inherit pkgs; };
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shell = "${pkgs.bash}/bin/bash";
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cc = import ../../build-support/cc-wrapper {
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inherit stdenv shell;
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nativeTools = false;
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nativeLibc = false;
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inherit (pkgs) coreutils binutils;
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inherit (pkgs.darwin) dyld;
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cc = pkgs.llvmPackages.clang-unwrapped;
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libc = pkgs.darwin.Libsystem;
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};
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extraBuildInputs = with pkgs; [ darwin.CF libcxx ];
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extraAttrs = {
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inherit platform bootstrapTools;
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libc = pkgs.darwin.Libsystem;
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shellPackage = pkgs.bash;
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};
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allowedRequisites = (with pkgs; [
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xz libcxx libcxxabi icu gmp gnumake findutils bzip2 llvm zlib libffi
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coreutils ed diffutils gnutar gzip ncurses gnused bash gawk
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gnugrep llvmPackages.clang-unwrapped patch pcre binutils-raw binutils gettext
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]) ++ (with pkgs.darwin; [
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dyld Libsystem CF cctools libiconv locale
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]);
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overrides = orig: persistent4 orig // {
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clang = cc;
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inherit cc;
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};
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};
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stdenvDarwin = stage5;
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}
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