diff options
Diffstat (limited to 'pkgs/stdenv/linux/default.nix')
| -rw-r--r-- | pkgs/stdenv/linux/default.nix | 124 |
1 files changed, 76 insertions, 48 deletions
diff --git a/pkgs/stdenv/linux/default.nix b/pkgs/stdenv/linux/default.nix index ba8812729833f..51f217f03b276 100644 --- a/pkgs/stdenv/linux/default.nix +++ b/pkgs/stdenv/linux/default.nix @@ -103,6 +103,14 @@ assert crossSystem == localSystem; let inherit (localSystem) system; + isFromNixpkgs = pkg: !(isFromBootstrapFiles pkg); + isFromBootstrapFiles = + pkg: pkg.passthru.isFromBootstrapFiles or false; + isBuiltByNixpkgsCompiler = + pkg: isFromNixpkgs pkg && isFromNixpkgs pkg.stdenv.cc.cc; + isBuiltByBootstrapFilesCompiler = + pkg: isFromNixpkgs pkg && isFromBootstrapFiles pkg.stdenv.cc.cc; + commonPreHook = '' export NIX_ENFORCE_PURITY="''${NIX_ENFORCE_PURITY-1}" @@ -120,16 +128,14 @@ let # Download and unpack the bootstrap tools (coreutils, GCC, Glibc, ...). - bootstrapTools = import (if localSystem.libc == "musl" then ./bootstrap-tools-musl else ./bootstrap-tools) { + bootstrapTools = (import (if localSystem.libc == "musl" then ./bootstrap-tools-musl else ./bootstrap-tools) { inherit system bootstrapFiles; - extraAttrs = lib.optionalAttrs - config.contentAddressedByDefault - { - __contentAddressed = true; - outputHashAlgo = "sha256"; - outputHashMode = "recursive"; - }; - }; + extraAttrs = lib.optionalAttrs config.contentAddressedByDefault { + __contentAddressed = true; + outputHashAlgo = "sha256"; + outputHashMode = "recursive"; + }; + }) // { passthru.isFromBootstrapFiles = true; }; getLibc = stage: stage.${localSystem.libc}; @@ -189,7 +195,7 @@ let }; in - + assert bootstrapTools.passthru.isFromBootstrapFiles or false; # sanity check [ ({}: { @@ -203,9 +209,6 @@ in # Build a dummy stdenv with no GCC or working fetchurl. This is # because we need a stdenv to build the GCC wrapper and fetchurl. - # - # resulting stage0 stdenv: - # - coreutils, binutils, glibc, gcc: from bootstrapFiles (prevStage: stageFun prevStage { name = "bootstrap-stage0"; @@ -233,6 +236,7 @@ in '' + lib.optionalString (localSystem.libc == "musl") '' ln -s ${bootstrapTools}/include-libc $out/include ''; + passthru.isFromBootstrapFiles = true; }; gcc-unwrapped = bootstrapTools; binutils = import ../../build-support/bintools-wrapper { @@ -261,10 +265,14 @@ in # If we ever need to use a package from more than one stage back, we # simply re-export those packages in the middle stage(s) using the # overrides attribute and the inherit syntax. - # - # resulting stage1 stdenv: - # - coreutils, binutils, glibc, gcc: from bootstrapFiles - (prevStage: stageFun prevStage { + (prevStage: + # previous stage0 stdenv: + assert isFromBootstrapFiles prevStage.binutils.bintools; + assert isFromBootstrapFiles prevStage."${localSystem.libc}"; + assert isFromBootstrapFiles prevStage.gcc-unwrapped; + assert isFromBootstrapFiles prevStage.coreutils; + assert isFromBootstrapFiles prevStage.gnugrep; + stageFun prevStage { name = "bootstrap-stage1"; # Rebuild binutils to use from stage2 onwards. @@ -291,10 +299,14 @@ in # 2nd stdenv that contains our own rebuilt binutils and is used for # compiling our own Glibc. # - # resulting stage2 stdenv: - # - coreutils, glibc, gcc: from bootstrapFiles - # - binutils: from nixpkgs, built by bootstrapFiles toolchain - (prevStage: stageFun prevStage { + (prevStage: + # previous stage1 stdenv: + assert isBuiltByBootstrapFilesCompiler prevStage.binutils-unwrapped; + assert isFromBootstrapFiles prevStage."${localSystem.libc}"; + assert isFromBootstrapFiles prevStage.gcc-unwrapped; + assert isFromBootstrapFiles prevStage.coreutils; + assert isFromBootstrapFiles prevStage.gnugrep; + stageFun prevStage { name = "bootstrap-stage2"; overrides = self: super: { @@ -337,6 +349,7 @@ in bintools = self.stdenvNoCC.mkDerivation { pname = prevStage.bintools.bintools.pname + "-patchelfed-ld"; inherit (prevStage.bintools.bintools) version; + passthru = { inherit (prevStage.bintools.passthru) isFromBootstrapFiles; }; enableParallelBuilding = true; dontUnpack = true; dontBuild = true; @@ -363,11 +376,14 @@ in # Construct a third stdenv identical to the 2nd, except that this # one uses the rebuilt Glibc from stage2. It still uses the recent # binutils and rest of the bootstrap tools, including GCC. - # - # resulting stage3 stdenv: - # - coreutils, gcc: from bootstrapFiles - # - glibc, binutils: from nixpkgs, built by bootstrapFiles toolchain - (prevStage: stageFun prevStage { + (prevStage: + # previous stage2 stdenv: + assert isBuiltByBootstrapFilesCompiler prevStage.binutils-unwrapped; + assert isBuiltByBootstrapFilesCompiler prevStage.${localSystem.libc}; + assert isFromBootstrapFiles prevStage.gcc-unwrapped; + assert isFromBootstrapFiles prevStage.coreutils; + assert isFromBootstrapFiles prevStage.gnugrep; + stageFun prevStage { name = "bootstrap-stage3"; overrides = self: super: rec { @@ -404,17 +420,21 @@ in # Construct a fourth stdenv that uses the new GCC. But coreutils is # still from the bootstrap tools. # - # resulting stage4 stdenv: - # - coreutils: from bootstrapFiles - # - glibc, binutils: from nixpkgs, built by bootstrapFiles toolchain - # - gcc: from nixpkgs, built by bootstrapFiles toolchain. Can assume - # it has almost no code from bootstrapTools as gcc bootstraps - # internally. The only exceptions are crt files from glibc - # built by bootstrapTools used to link executables and libraries, - # and the bootstrapTools-built, statically-linked - # lib{mpfr,mpc,gmp,isl}.a which are linked into the final gcc - # (see commit cfde88976ba4cddd01b1bb28b40afd12ea93a11d). - (prevStage: stageFun prevStage { + (prevStage: + # previous stage3 stdenv: + assert isBuiltByBootstrapFilesCompiler prevStage.binutils-unwrapped; + assert isBuiltByBootstrapFilesCompiler prevStage.${localSystem.libc}; + assert isBuiltByBootstrapFilesCompiler prevStage.gcc-unwrapped; + assert isFromBootstrapFiles prevStage.coreutils; + assert isFromBootstrapFiles prevStage.gnugrep; + # Can assume prevStage.gcc-unwrapped has almost no code from + # bootstrapTools as gcc bootstraps internally. The only + # exceptions are crt files from glibc built bybootstrapTools + # used to link executables and libraries, and the + # bootstrapTools-built, statically-linked + # lib{mpfr,mpc,gmp,isl}.a which are linked into the final gcc + # (see commit cfde88976ba4cddd01b1bb28b40afd12ea93a11d). + stageFun prevStage { name = "bootstrap-stage4"; overrides = self: super: { @@ -471,17 +491,15 @@ in # dependency (`nix-store -qR') on bootstrapTools or the first # binutils built. # - # resulting stage5 (final) stdenv: - # - coreutils, binutils: from nixpkgs, built by nixpkgs toolchain - # - glibc: from nixpkgs, built by bootstrapFiles toolchain - # - gcc: from nixpkgs, built by bootstrapFiles toolchain. Can assume - # it has almost no code from bootstrapTools as gcc bootstraps - # internally. The only exceptions are crt files from glibc - # built by bootstrapTools used to link executables and libraries, - # and the bootstrapTools-built, statically-linked - # lib{mpfr,mpc,gmp,isl}.a which are linked into the final gcc - # (see commit cfde88976ba4cddd01b1bb28b40afd12ea93a11d). - (prevStage: { + (prevStage: + # previous stage4 stdenv; see stage3 comment regarding gcc, + # which applies here as well. + assert isBuiltByNixpkgsCompiler prevStage.binutils-unwrapped; + assert isBuiltByBootstrapFilesCompiler prevStage.${localSystem.libc}; + assert isBuiltByBootstrapFilesCompiler prevStage.gcc-unwrapped; + assert isBuiltByNixpkgsCompiler prevStage.coreutils; + assert isBuiltByNixpkgsCompiler prevStage.gnugrep; + { inherit config overlays; stdenv = import ../generic rec { name = "stdenv-linux"; @@ -557,4 +575,14 @@ in }; }) + # This "no-op" stage is just a place to put the assertions about stage5. + (prevStage: + # previous stage5 stdenv; see stage3 comment regarding gcc, + # which applies here as well. + assert isBuiltByNixpkgsCompiler prevStage.binutils-unwrapped; + assert isBuiltByBootstrapFilesCompiler prevStage.${localSystem.libc}; + assert isBuiltByBootstrapFilesCompiler prevStage.gcc-unwrapped; + assert isBuiltByNixpkgsCompiler prevStage.coreutils; + assert isBuiltByNixpkgsCompiler prevStage.gnugrep; + { inherit (prevStage) config overlays stdenv; }) ] |