lib/compiler/build_runner.zig  |  78 +++++
 lib/std/Build/Module.zig       | 227 +++-----------
 lib/std/Build/Step/Compile.zig | 527 +++++++++++++++++---------------
 lib/std/Build/Step/Run.zig     |  15 +-
 4 files changed, 407 insertions(+), 440 deletions(-)