+ifdef CONFIG_LIBXNVME
+ xnvme_SRCS = engines/xnvme.c
+ xnvme_LIBS = $(LIBXNVME_LIBS)
+ xnvme_CFLAGS = $(LIBXNVME_CFLAGS)
+ ENGINES += xnvme
+endif
+ifdef CONFIG_LIBBLKIO
+ libblkio_SRCS = engines/libblkio.c
+ libblkio_LIBS = $(LIBBLKIO_LIBS)
+ libblkio_CFLAGS = $(LIBBLKIO_CFLAGS)
+ ENGINES += libblkio
+endif