gpxe/src/arch/x86/Makefile - platform/external/syslinux - Git at Google

 # Include common x86 headers
 #
 INCDIRS		+= arch/x86/include

 # x86-specific directories containing source files
 #
 SRCDIRS		+= arch/x86/core
 SRCDIRS 	+= arch/x86/interface/efi
 SRCDIRS 	+= arch/x86/prefix
	# Include common x86 headers
	#
	INCDIRS += arch/x86/include

	# x86-specific directories containing source files
	#
	SRCDIRS += arch/x86/core
	SRCDIRS += arch/x86/interface/efi
	SRCDIRS += arch/x86/prefix