ALL_LOCAL += $(srcdir)/python/ovs/version.py
$(srcdir)/python/ovs/version.py: config.status
- $(ro_shell) > $@.tmp
- echo 'VERSION = "$(VERSION)"' >> $@.tmp
+ $(ro_shell) > $(@F).tmp
+ echo 'VERSION = "$(VERSION)"' >> $(@F).tmp
if [ "$(BUILDNR)" != "0" ]; \
- then echo 'BUILDNR = "+build$(BUILDNR)"' >> $@.tmp; \
- else echo 'BUILDNR = ""' >> $@.tmp; \
- fi;
- mv $@.tmp $@
+ then echo 'BUILDNR = "+build$(BUILDNR)"' >> $(@F).tmp; \
+ else echo 'BUILDNR = ""' >> $(@F).tmp; \
+ fi
+ if cmp -s $(@F).tmp $@; then touch $@; rm $(@F).tmp; else mv $(@F).tmp $@; fi