die("Existing mono not found at : $existingMonoRootPath\n");
print(">>> mono-build-deps is not required for windows runtime builds...\n");
}
system("$winPerl","$winMonoRoot/external/buildscripts/build_runtime_vs.pl","--build=$build","--arch32=$arch32","--msbuildversion=$msBuildVersion","--clean=$clean","--debug=$debug","--gc=bdwgc")eq0ordie('failed building mono bdwgc with VS\n');