{ "zlib":
  { "type": "export"
  , "target": "libz"
  , "flexible_config": ["ARCH", "TARGET_ARCH", "TOOLCHAIN_CONFIG", "ENV"]
  }
, "libz":
  { "type": ["@", "rules", "CC/foreign/shell", "data"]
  , "project": [["TREE", null, "."]]
  , "cmds":
    [ "export NJOBS=$(nproc --all 2>/dev/null || echo 1)"
    , "rm Makefile"
    , "./configure --static --prefix=/ >configure.log 2>&1 || (cat configure.log && exit 1)"
    , "${MAKE} -j${NJOBS} install DESTDIR=${DESTDIR} >build.log 2>&1 || (cat configure.log build.log && exit 1)"
    ]
  , "out_dirs": ["."]
  }
}