name: zlib
variant: scratch
shell: /bin/bash
install:
  - build-base
  - bash
dependencies:
  - image: cgr.dev/chainguard/wolfi-base@{{ .WOLFI_BASE_REF }}
steps:
  - sources:
      - url: https://zlib.net/fossils/zlib-{{ .ZLIB_VERSION }}.tar.gz
        destination: zlib.tar.gz
        sha256: b3a24de97a8fdbc835b9833169501030b8977031bcb54b3b3ac13740f846ab30
        sha512: 99f0e843f52290e6950cc328820c0f322a4d934a504f66c7caa76bd0cc17ece4bf0546424fc95135de85a2656fed5115abb835fd8d8a390d60ffaf946c8887ad
    prepare:
      - |
        tar -xf zlib.tar.gz --strip-components=1
        mkdir build
        cd build

        ../configure \
            --prefix=/usr/local
    build:
      - |
        cd build
        make -j $(nproc)
    install:
      - |
        cd build
        make DESTDIR=/rootfs install
        # we only need the libs and headers, remove everything else
        find /rootfs/usr/local/ -type d \( -name bin -o -name sbin -o -name share \) -prune -exec rm -rf {} \;
finalize:
  - from: /rootfs
    to: /rootfs