+include/serno.h:
+ @if [ -d .git ] ; then \
+ revh=`git log -1 --date=short --pretty=format:%cd_%h 2>/dev/null | sed -e s/-//g -e s/_/-/`;\
+ [ -z "$$revh" ] || echo '#define SERNO "'$$revh'"' >include/serno.h ; \
+ elif [ -d .hg ] ; then \
+ revh=`hg parents --template '{date|shortdate}_{node|short}' 2>/dev/null | sed -e s/-//g -e s/_/-/`;\
+ [ -z "$$revh" ] || echo '#define SERNO "'$$revh'"' >include/serno.h ; \
+ fi
+ @[ -f include/serno.h ] || echo '#define SERNO "unknown"' >include/serno.h
+