$(LLVM_TAR): $(HOST_STAMP_INSTALLED)
tar -C $(STAGING_DIR_HOST) \
-I '$(STAGING_DIR_HOST)/bin/xz -7e -T$(if $(filter 1,$(NPROC)),2,0)' \
+ $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
-cf $@.tmp llvm-bpf $(LLVM_BPF_PREFIX)
mv $@.tmp $@