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path: root/examples/libgcc-initial.yml
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tasks:
  configure:
    inherit:
      task: 'gcc:compile'
    build_depends:
      - task: 'binutils:install'
    depends:
      - task: 'gcc:header-stubs'
    run: |
      TARGET=aarch64-linux-gnu

      cd gcc-build
      make configure-target-libgcc

      # A hack borrowed from OpenEmbedded:
      # We can build an initial libgcc without having to rebuild the whole gcc
      # afterwards by manipulating the Makefile
      sed -i -r \
        -e 's@^(INHIBIT_LIBC_CFLAGS =).*@\1 -Dinhibit_libc@' \
        gcc/libgcc.mvars
      sed -i -r \
        -e 's@^(thread_header =).*@\1 gthr-single.h@' \
        -e 's@^(enable_shared =).*@\1 no@' \
        "${TARGET}/libgcc/Makefile"

  compile:
    inherit:
      task: 'libgcc-initial:configure'
    build_depends:
      - task: 'binutils:install'
    depends:
      - task: 'gcc:header-stubs'
    run: |
      cd gcc-build
      make -j8 all-target-libgcc

  install:
    inherit:
      task: 'libgcc-initial:compile'
    build_depends:
      - task: 'binutils:install'
    output:
      default: {}
    run: |
      cd gcc-build
      make DESTDIR="$DESTDIR" install-target-libgcc
      ln -s libgcc.a "${DESTDIR}${BUILD_PREFIX}/lib/gcc/aarch64-linux-gnu/11.2.0/libgcc_eh.a"