Source/bmalloc/PlatformMac.cmake - external/github.com/WebKit/webkit - Git at Google

 add_definitions(-DBPLATFORM_MAC=1)

 list(APPEND bmalloc_SOURCES
     bmalloc/ProcessCheck.mm
 )

 list(APPEND bmalloc_PUBLIC_HEADERS
     bmalloc/darwin/BSoftLinking.h
     bmalloc/darwin/MemoryStatusSPI.h
 )
	add_definitions(-DBPLATFORM_MAC=1)

	list(APPEND bmalloc_SOURCES
	bmalloc/ProcessCheck.mm
	)

	list(APPEND bmalloc_PUBLIC_HEADERS
	bmalloc/darwin/BSoftLinking.h
	bmalloc/darwin/MemoryStatusSPI.h
	)