ARDOURVERSION=$(git describe | sed 's/-g.*$//')
ARDOURDATE=$(date -R)
-BINVERSION=$(git describe | sed 's/-g.*$//' | sed 's/-/./')
+BINVERSION=$(git describe | sed 's/-g.*$//;s/\-rc\([^-]*\)-/-rc\1./;s/-/./;s/-.*$//')
if ! test -f build/gtk2_ardour/ardour-${BINVERSION}.exe; then
echo "*** Please compile ardour ${ARDOURVERSION} first."
exit 1