ref: e3930c1d03ed8f9df7e2c80074d904ea4cbe21f6
dir: /sys/src/cmd/python/Tools/buildbot/build.bat/
@rem Used by the buildbot "compile" step. cmd /c Tools\buildbot\external.bat call "%VS71COMNTOOLS%vsvars32.bat" cmd /q/c Tools\buildbot\kill_python.bat devenv.com /useenv /build Debug PCbuild\pcbuild.sln