* Provide geos-config, and fix dynamic builds on Unix
* x-add-version
* Fix debug suffix handling
* Update git-tree
* Don't build benchmarks
* Revise pc file and geos-config handling
Fixup pc files.
Add -lgeos to Libs.private to satisfy common usage requirement
(already present in geos-config).
Install executable geos-config into tools.
Rewrite geos-config relocatability as patch.
* Port to non-deprecated cmake functions
* Add usage
* Update git-tree
