# -*- makefile -*-
# vim:set ft=make:

# recent version.h required for any kip*.o files
$(filter kip%.o,$(OBJ_ABI)): $(VERSION)

$(VERSION): FORCE
		$(GENVER_MESSAGE)
		$(VERBOSE)v=`cd $(srcdir) && git rev-parse             \
		                   --verify --short HEAD 2>/dev/null`; \
		if [ -n "$$v" ]; then                                  \
                  d=`cd $(srcdir) && git diff-index --name-only HEAD`; \
                  [ -n "$$d" ] && v="$$v-dirty";                       \
                else                                                   \
		   v=`LC_ALL=C svnversion -nc $(srcdir) 2>/dev/null`;  \
		   if [ -n "$$v"                                       \
		        -a "$$v" != "Unversioned directory" ]; then    \
		     v=$${v%[A-Z]}; v="r$${v#*:}";                     \
		   else                                                \
		     v=`cd $(srcdir) && hg id 2>/dev/null`;            \
		     if [ -n "$$v" ]; then                             \
		       v="$${v% *}";                                   \
		     else                                              \
		       v="unknown";                                    \
		     fi                                                \
		   fi                                                  \
		fi;                                                    \
		echo "#define CODE_VERSION \"$$v\"" > $@
		$(VERBOSE)echo "#define BUILD_DATE \"$$(LC_ALL=C date)\"" >> $@
		$(VERBOSE)if [ -e .build_nr ]; then                    \
		  nr=$$(($$(cat .build_nr) + 1));                      \
		else                                                   \
		  nr=1;                                                \
		fi;                                                    \
		echo $$nr > .build_nr;                                 \
		echo "#define BUILD_NR \"$$nr\"" >> $@

clean-VERSION:
		rm -f $(VERSION)