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name: build-essential
kind: stratum
description: |
  Toolchain stratum

  Stage 1: build a minimal cross compiler with the host's tools.

  Starting with a cross compiler ensures that (a) nothing from the host
  can leak into the build-essential artifacts, and (b) cross-compiling
  build-essential is fully tested and supported, since we always use the
  cross code paths.

  Stage 2: cross-build the whole of build-essential, using the host's tools
  but the cross-compiler toolchain.

  Stage 2 GCC outputs code for the same 'bootstrap' machine as stage 1 GCC,
  but because stage 2 GCC is also built to *run* on the bootstrap machine
  it can only execute inside the stage 3 chroot (due to being built against
  a libc with a non-standard prefix).

  Stage 3: build the whole of build-essential again, this time using a
  staging area containing only the output of stage 2. The result of this
  build is fully reproducible.

  We do a switch-a-roo between stage 2 and 3: stages 2 chunks are all built
  to run on a host *-bootstrap-* while stage 3 chunks are native-built for
  a *-baserock-* machine. This works, because the cross build was all for
  show (and cleanliness) and the binaries actually still run on the host.

  After build-essential is built we do another trick. See
  stage2-fhs-dirs.morph for details. Basically, /bin is a symlink to
  /tools/bin during stage 2 but in stage 3 it becomes a real directory
  again.

  PLEASE KEEP THE REFS IN 'armv7lhf-cross-toolchain' STRATUM UP TO DATE WITH
  THIS ONE!

  Please note that the chunk 'build-depends' field is treated differently in
  this stratum to how other strata in definitions.git use it. Other strata
  rely on the fact that dependencies of a dependency (called 'transitive
  dependencies') are implicitly included in the staging area. Within
  build-essential, some chunks list transitive dependencies explicitly to
  make clearer what is going on.
products:
- artifact: build-essential-minimal
  include:
  - fhs-dirs-.*
  - busybox-.*
  - glibc-nss
chunks:
- name: stage1-binutils
  morph: strata/build-essential/stage1-binutils.morph
  repo: upstream:binutils-tarball
  ref: 5500a97a2ad1735db5b35bc51cfb825c1f4c38df
  unpetrify-ref: binutils-2.25
  build-mode: bootstrap
  prefix: /tools

- name: stage1-gcc
  morph: strata/build-essential/stage1-gcc.morph
  repo: upstream:gcc-tarball
  ref: b3c9b176c1f10ebeff5700eb3760e9511f23fa06
  unpetrify-ref: baserock/build-essential
  build-depends:
  - stage1-binutils
  build-mode: bootstrap
  prefix: /tools

- name: stage2-linux-api-headers
  morph: strata/build-essential/stage2-linux-api-headers.morph
  repo: upstream:linux
  ref: 39a8804455fb23f09157341d3ba7db6d7ae6ee76
  unpetrify-ref: v4.0
  build-depends:
  - stage1-binutils
  - stage1-gcc
  build-mode: bootstrap
  prefix: /tools

- name: stage2-glibc
  morph: strata/build-essential/stage2-glibc.morph
  repo: upstream:glibc
  ref: 4e42b5b8f89f0e288e68be7ad70f9525aebc2cff
  unpetrify-ref: glibc-2.21
  build-depends:
  - stage1-binutils
  - stage1-gcc
  - stage2-linux-api-headers
  build-mode: bootstrap
  prefix: /tools

- name: stage2-libstdc++
  morph: strata/build-essential/stage2-libstdc++.morph
  repo: upstream:gcc-tarball
  ref: b3c9b176c1f10ebeff5700eb3760e9511f23fa06
  unpetrify-ref: baserock/build-essential
  build-depends:
  - stage1-binutils
  - stage1-gcc
  - stage2-linux-api-headers
  - stage2-glibc
  build-mode: bootstrap
  prefix: /tools

- name: stage2-binutils
  morph: strata/build-essential/stage2-binutils.morph
  repo: upstream:binutils-tarball
  ref: 5500a97a2ad1735db5b35bc51cfb825c1f4c38df
  unpetrify-ref: binutils-2.25
  build-depends:
  - stage1-binutils
  - stage1-gcc
  - stage2-linux-api-headers
  - stage2-glibc
  build-mode: bootstrap
  prefix: /tools

- name: stage2-gcc-fixed-headers
  morph: strata/build-essential/stage2-gcc-fixed-headers.morph
  repo: upstream:gcc-tarball
  ref: b3c9b176c1f10ebeff5700eb3760e9511f23fa06
  unpetrify-ref: baserock/build-essential
  build-depends:
  - stage1-binutils
  - stage1-gcc
  - stage2-linux-api-headers
  - stage2-glibc
  build-mode: bootstrap
  prefix: /tools

- name: stage2-gcc
  morph: strata/build-essential/stage2-gcc.morph
  repo: upstream:gcc-tarball
  ref: b3c9b176c1f10ebeff5700eb3760e9511f23fa06
  unpetrify-ref: baserock/build-essential
  build-depends:
  - stage1-binutils
  - stage1-gcc
  - stage2-linux-api-headers
  - stage2-glibc
  - stage2-gcc-fixed-headers
  - stage2-libstdc++
  build-mode: bootstrap
  prefix: /tools

- name: stage2-busybox
  morph: strata/build-essential/stage2-busybox.morph
  repo: upstream:busybox
  ref: 1ecfe811fe2f70380170ef7d820e8150054e88ca
  unpetrify-ref: 1_23_1
  build-depends:
  - stage1-binutils
  - stage1-gcc
  - stage2-linux-api-headers
  - stage2-glibc
  build-mode: bootstrap
  prefix: /tools

- name: stage2-fake-bash
  morph: strata/build-essential/stage2-fake-bash.morph
  repo: upstream:bash
  ref: 3590145af6f1c9fa321dff231f69ae696e7e740b
  unpetrify-ref: baserock/bash-4.3-patch-27
  build-mode: bootstrap
  prefix: /tools

- name: stage2-fhs-dirs
  morph: strata/build-essential/stage2-fhs-dirs.morph
  repo: baserock:baserock/fhs-dirs
  ref: 1218cbd38a4f4e9da75af6f7fae946ca92666afb
  unpetrify-ref: master
  build-mode: bootstrap
  prefix: /tools

- name: stage2-gawk
  morph: strata/build-essential/stage2-gawk.morph
  repo: upstream:gawk
  ref: 925f9363c4b0a5bb9375298afcdcf404efb32587
  unpetrify-ref: gawk-4.1-stable
  build-depends:
  - stage1-binutils
  - stage1-gcc
  - stage2-linux-api-headers
  - stage2-glibc
  build-mode: bootstrap
  prefix: /tools

- name: stage2-make
  morph: strata/build-essential/stage2-make.morph
  repo: upstream:make-tarball
  ref: 4978d7129e42340ab9efeb0cb9cae4ad0fa052d4
  unpetrify-ref: baserock/make-4.1-ttyname-segfault-fix
  build-depends:
  - stage1-binutils
  - stage1-gcc
  - stage2-linux-api-headers
  - stage2-glibc
  build-mode: bootstrap
  prefix: /tools

- name: stage2-reset-specs
  morph: strata/build-essential/stage2-reset-specs.morph
  repo: upstream:glibc
  ref: 4e42b5b8f89f0e288e68be7ad70f9525aebc2cff
  unpetrify-ref: glibc-2.21
  build-depends:
  - stage1-binutils
  - stage1-gcc
  - stage2-linux-api-headers
  - stage2-glibc
  build-mode: bootstrap
  prefix: /tools

- name: fhs-dirs
  morph: strata/build-essential/fhs-dirs.morph
  repo: baserock:baserock/fhs-dirs
  ref: 1218cbd38a4f4e9da75af6f7fae946ca92666afb
  unpetrify-ref: master
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs

- name: linux-api-headers
  morph: strata/build-essential/linux-api-headers.morph
  repo: upstream:linux
  ref: 39a8804455fb23f09157341d3ba7db6d7ae6ee76
  unpetrify-ref: v4.0
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs

- name: glibc
  morph: strata/build-essential/glibc.morph
  repo: upstream:glibc
  ref: 4e42b5b8f89f0e288e68be7ad70f9525aebc2cff
  unpetrify-ref: glibc-2.21
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-fake-bash
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs
  - linux-api-headers
  artifacts:
    glibc-gconv: build-essential-runtime
    glibc-libs: build-essential-minimal
    glibc-nss: build-essential-runtime

- name: zlib
  repo: upstream:zlib
  ref: 50893291621658f355bc5b4d450a8d06a563053d
  unpetrify-ref: v1.2.8
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs
  - glibc
  artifacts:
    zlib-libs: build-essential-minimal

- name: binutils
  morph: strata/build-essential/binutils.morph
  repo: upstream:binutils-tarball
  ref: 5500a97a2ad1735db5b35bc51cfb825c1f4c38df
  unpetrify-ref: binutils-2.25
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs
  - glibc
  - zlib

- name: busybox
  morph: strata/build-essential/busybox.morph
  repo: upstream:busybox
  ref: 1ecfe811fe2f70380170ef7d820e8150054e88ca
  unpetrify-ref: 1_23_1
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs
  - glibc

- name: gawk
  morph: strata/build-essential/gawk.morph
  repo: upstream:gawk
  ref: dc5af665700d9b04fdf9c18930526d28eef5d5d9
  unpetrify-ref: gawk-4.1.1
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs
  - glibc

- name: m4-tarball
  morph: strata/build-essential/m4-tarball.morph
  repo: upstream:m4-tarball
  ref: 23c11479b3ad787adc7a651ee0c4347839e47723
  unpetrify-ref: m4-1.4.17
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs
  - glibc

- name: gcc
  morph: strata/build-essential/gcc.morph
  repo: upstream:gcc-tarball
  ref: b3c9b176c1f10ebeff5700eb3760e9511f23fa06
  unpetrify-ref: baserock/build-essential
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs
  - glibc
  - zlib
  - m4-tarball
  - linux-api-headers
  artifacts:
    gcc-libs: build-essential-minimal

- name: make
  morph: strata/build-essential/make.morph
  repo: upstream:make-tarball
  ref: 4978d7129e42340ab9efeb0cb9cae4ad0fa052d4
  unpetrify-ref: baserock/make-4.1-ttyname-segfault-fix
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs
  - glibc

- name: ccache
  morph: strata/build-essential/ccache.morph
  repo: upstream:ccache
  ref: 567631456f0899cdf0c382f898d38aadc8901d32
  unpetrify-ref: baserock/build-essential
  build-depends:
  - stage2-binutils
  - stage2-busybox
  - stage2-glibc
  - stage2-fhs-dirs
  - stage2-gawk
  - stage2-gcc
  - stage2-linux-api-headers
  - stage2-make
  - stage2-reset-specs
  - glibc
  - zlib