1. Armin Rigo
  2. cpython-withatomic

Source

cpython-withatomic / PCbuild / debug.vsprops

<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioPropertySheet
	ProjectType="Visual C++"
	Version="8.00"
	Name="debug"
	>
	<Tool
		Name="VCCLCompilerTool"
		PreprocessorDefinitions="_DEBUG"
	/>
</VisualStudioPropertySheet>