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	6b2b66b894	fix handling/install of sparsehash headers	2013-01-10 09:39:43 -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