Fortunately, there is only a single location that needs to be
updated.
uname_rs := $(shell uname -rs)
cc_version := $(shell $(CC) --version | head -n 1)
GIT_VERSION := $(shell ./GIT-VERSION-GEN git-version.h)
uname_rs := $(shell uname -rs)
cc_version := $(shell $(CC) --version | head -n 1)
GIT_VERSION := $(shell ./GIT-VERSION-GEN git-version.h)
ifeq ("$(origin O)", "command line")
build_dir := $(O)
ifeq ("$(origin O)", "command line")
build_dir := $(O)