BRANCH_TODO                                 |   5 +-
 lib/compiler/Maker/Step.zig                 |  23 +-
 lib/compiler/Maker/Step/CheckFile.zig       |  60 ++
 lib/compiler/Maker/Step/ConfigHeader.zig    | 903 ++++++++++++++++++++++++++++++
 lib/compiler/configurer.zig                 |   7 +-
 lib/std/Build.zig                           |  56 +-
 lib/std/Build/Configuration.zig             |  12 +-
 lib/std/Build/Module.zig                    |   5 +-
 lib/std/Build/Step/CheckFile.zig            |  76 +--
 lib/std/Build/Step/Compile.zig              |  18 +-
 lib/std/Build/Step/ConfigHeader.zig         | 937 +-------------------------------
 lib/std/Build/Step/Fail.zig                 |  26 +-
 test/standalone/libfuzzer/build.zig         |   2 +-
 test/standalone/windows_resources/build.zig |   2 +-
 test/tests.zig                              |  13 +-
 15 files changed, 1117 insertions(+), 1028 deletions(-)