Factor out avoid-repeated-checks thing to autowaf.  Saves lines in wscripts.... Use SLV2_VERSION instead of PACKAGE_VERSION in slv2 code to play nice with others.
Factor out avoid-repeated-checks thing to autowaf.  Saves lines in wscripts....
Use SLV2_VERSION instead of PACKAGE_VERSION in slv2 code to play nice with others.


git-svn-id: fb6d863945102bebb9fe1d25d24b18a16295c170@1598 a436a847-0d15-0410-975c-d299462d15a1

drobilla/ingen,ventosus/ingen,drobilla/ingen,ventosus/ingen,ventosus/ingen,ventosus/ingen,drobilla/ingen,drobilla/ingen