The meaning of those special variables is as
follows:
• obj-y. All objects listen in obj-y will be compiled as built-in objects, and will finally be linked into vmlinux.
• obj-m. All objects listed in obj-m and not listed in obj-y will be compiled as modules .
• obj-. All objects listed in obj- and not in obj-y or obj-m will be ignored by kbuild.
转载请注明：在路上 » obj-y in makefile (automake)