initialize proj_transform for given projections without proj4 support (-DMAPNIK_USE_PROJ4)

[itzhoujun]

change openstreetmap style to osm-bright, got errors when render:

** (process:137): ERROR **: 13:19:09.269: failed to render TILE default 0 0-0 0-0

** (process:137): ERROR **: 13:19:09.269:   reason: Cannot initialize proj_transform for given projections without proj4 support (-DMAPNIK_USE_PROJ4): '+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over'->'+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over'

[itzhoujun]

arm64 server

[phoenixflutterby]

360 capabilities?