4 commits

Author	SHA1	Message	Date
Artem Pavlenko	720fbc74a1	move sparsehash out of mapnik dir	2020-01-29 14:16:47 +00:00
Dane Springmeyer	6f8a12d29d	further fixup the sparsehash usage internally	2013-01-10 17:20:34 -08:00
Dane Springmeyer	193c7d9d20	use boost/function/hash for easy msvc compatibility even though msvc 2010 would support using std::hash in <functional>	2013-01-09 19:46:47 -08:00
Dane Springmeyer	0121f53f56	refactor and speed up hextree image encoding by using dense_has_map - refs #1629	2013-01-08 19:07:11 -08:00