tools/perf/arch/s390/Makefile - third_party/linux - Git at Google

 ifndef NO_DWARF
 PERF_HAVE_DWARF_REGS := 1
 LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
 endif
 LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/header.o
 HAVE_KVM_STAT_SUPPORT := 1
 LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/kvm-stat.o
	ifndef NO_DWARF
	PERF_HAVE_DWARF_REGS := 1
	LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
	endif
	LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/header.o
	HAVE_KVM_STAT_SUPPORT := 1
	LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/kvm-stat.o