1libperf-y += header.o 2libperf-y += sym-handling.o 3libperf-y += kvm-stat.o 4libperf-y += perf_regs.o 5 6libperf-$(CONFIG_DWARF) += dwarf-regs.o 7libperf-$(CONFIG_DWARF) += skip-callchain-idx.o 8 9libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o 10libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o 11