lib/std/Build/Cache.zig           | 291 +++++++++++++++++---------------
 lib/std/Build/Cache/Directory.zig |  74 ++++++++
 lib/std/Build/Cache/Path.zig      | 154 +++++++++++++++++
 lib/std/Build/Step.zig            |   2 +-
 lib/std/array_hash_map.zig        | 114 ++++++-------
 src/Compilation.zig               |   4 +-
 src/Package.zig                   | 159 -----------------
 src/Package/Fetch.zig             |  12 +-
 src/Package/Module.zig            |   6 +-
 src/glibc.zig                     |   2 +-
 src/main.zig                      |   4 +-
 11 files changed, 450 insertions(+), 372 deletions(-)