<_PropertySheetDisplayName>Custom Tasks
cl
cl -E
-nologo
$(MsysBasePath)\bin;$(NativeExecutablePath)
$(MSBuildProjectDirectory);$(AegisubSourceBase)\include;$(IncludePath)
$(AegisubLibraryDir);$(LibraryPath)
$(Configuration)
$(Platform)
$(MsysBasePath)\bin\sh.exe