version.sp version.s version.o: GIT-VERSION-FILE GIT-USER-AGENT
version.sp version.s version.o: EXTRA_CPPFLAGS = \
'-DGIT_VERSION="$(GIT_VERSION)"' \
- '-DGIT_USER_AGENT=$(GIT_USER_AGENT_CQ_SQ)'
+ '-DGIT_USER_AGENT=$(GIT_USER_AGENT_CQ_SQ)' \
+ '-DGIT_BUILT_FROM_COMMIT="$(shell GIT_CEILING_DIRECTORIES=\"$(CURDIR)/..\" \
+ git rev-parse -q --verify HEAD || :)"'
$(BUILT_INS): git$X
$(QUIET_BUILT_IN)$(RM) $@ && \