+${B}rev.h: FORCE
+ @if [ -f $@ ]; then prevrev=`cat $@`; else prevrev="00"; fi; \
+ if [ "`which svn`" != "" ]; then \
+ rev=`svn update|tail -n 1|sed 's/.*\ \(.*\)\./\1/g'|sed "s/'//g"`; \
+ fi; \
+ if [ "$$rev" = "" ]; then rev="0"; fi; \
+ if [ "$$rev" != "$$prevrev" ]; then \
+ echo "$$rev" > $@; \
+ fi