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path: root/elements/gnu-toolchain/gcc.bst
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kind: manual

sources:
- kind: git
  url: upstream:gcc-tarball
  track: baserock/gcc-7.1.0
  ref: 3b0dbcfa2e5d12bd80cab1b35f08653d61fe7838

depends:
- filename: gnu-toolchain/stage2.bst
  type: build
- gnu-toolchain/fhs-dirs.bst
- gnu-toolchain/linux-api-headers.bst
- gnu-toolchain/glibc.bst
- gnu-toolchain/zlib.bst
- gnu-toolchain/m4-tarball.bst

environment:
  PATH: /usr/bin:/bin:/usr/sbin:/sbin:/tools/bin:/tools/sbin

config:

  configure-commands:
  - mkdir o

  # Configure flag notes:    
  #   1. An attempt to stop anything going in %{prefix}/lib64 (which doesn't
  #      fully work; we will need to hobble the multilib configuration in
  #      config/i386/t-linux64 if we really want to kill /lib64).
  #   2. Avoid having more than one copy of ZLib in use on the system
  #   3. Multilib does not make sense in Baserock.
  - |
    case "%{bst-target-arch}" in
        armv7lhf) ARCH_FLAGS="--with-arch=armv7-a \
                              --with-cpu=cortex-a9 \
                              --with-tune=cortex-a9 \
                              --with-fpu=vfpv3-d16 \
                              --with-float=hard" ;;
        armv7*)   ARCH_FLAGS="--with-arch=armv7-a" ;;
    esac

    cd o && ../configure                                        \
              $ARCH_FLAGS                                       \
              --prefix="%{prefix}"                              \
      `# [1]` --libdir=%{prefix}/lib                            \
              --disable-bootstrap                               \
      `# [2]` --with-system-zlib                                \
      `# [3]` --disable-multilib                                \
              --enable-languages=c,c++,fortran

  build-commands:
  - |
    case "%{bst-target-arch}" in
        armv5*)   sed -i "s/--host=none/--host=armv5/" o/Makefile
                  sed -i "s/--target=none/--target=armv5/" o/Makefile ;;
        armv7*)   sed -i "s/--host=none/--host=armv7a/" o/Makefile
                  sed -i "s/--target=none/--target=armv7a/" o/Makefile ;;
    esac
    cd o && make

  install-commands:
  - cd o && make DESTDIR="%{install-root}" install
  - ln -s gcc "%{install-root}%{prefix}/bin/cc"
  - |
    for fortran_alias in f77 f90 f95; do
      ln -s gfortran "%{install-root}%{prefix}/bin/$fortran_alias"
    done