First drop of package_definition, obtained from the system model used in the platform build, along with a generic SystemBuild fragment (from TB91sf)
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioPropertySheet
ProjectType="Visual C++"
Version="8.00"
Name="debug_internal"
>
<Tool
Name="VCCLCompilerTool"
PreprocessorDefinitions="DEBUG_WEBKIT_HAS_SUFFIX"
/>
<UserMacro
Name="WebKitConfigSuffix"
Value="_debug"
/>
<UserMacro
Name="LibraryConfigSuffix"
Value="_debug"
/>
<UserMacro
Name="WebKitDLLConfigSuffix"
Value="_debug"
/>
</VisualStudioPropertySheet>