append the SHAPE_MEMORY_MAPPED_FILE compiler flag to CXXFLAGS rather than overwriting existing flags (which happens when using the keyword arg, ugh), closes #435 and #436 and fixes up original commit added in r1217
append the SHAPE_MEMORY_MAPPED_FILE compiler flag to CXXFLAGS rather than overwriting existing flags (which happens when using the keyword arg, ugh), closes #435 and #436 and fixes up original commit added in r1217

zerebubuth/mapnik,tomhughes/mapnik,qianwenming/mapnik,mapnik/python-mapnik,davenquinn/python-mapnik,qianwenming/mapnik,Airphrame/mapnik,manz/python-mapnik,naturalatlas/mapnik,kapouer/mapnik,pnorman/mapnik,qianwenming/mapnik,kapouer/mapnik,garnertb/python-mapnik,mapnik/mapnik,manz/python-mapnik,cjmayo/mapnik,Airphrame/mapnik,mapnik/mapnik,garnertb/python-mapnik,mapnik/python-mapnik,pnorman/mapnik,whuaegeanse/mapnik,mbrukman/mapnik,pnorman/mapnik,lightmare/mapnik,strk/mapnik,Mappy/mapnik,mapycz/mapnik,naturalatlas/mapnik,rouault/mapnik,mapycz/python-mapnik,mapycz/mapnik,mbrukman/mapnik,Airphrame/mapnik,pramsey/mapnik,mapnik/mapnik,mapycz/python-mapnik,Uli1/mapnik,garnertb/python-mapnik,lightmare/mapnik,mapycz/mapnik,Uli1/mapnik,naturalatlas/mapnik,sebastic/python-mapnik,strk/mapnik,rouault/mapnik,yiqingj/work,CartoDB/mapnik,strk/mapnik,manz/python-mapnik,qianwenming/mapnik,yiqingj/work,CartoDB/mapnik,rouault/mapnik,cjmayo/mapnik,tomhughes/mapnik,jwomeara/mapnik,stefanklug/mapnik,strk/mapnik,Uli1/mapnik,tomhughes/mapnik,cjmayo/mapnik,mbrukman/mapnik,whuaegeanse/mapnik,mapnik/python-mapnik,zerebubuth/mapnik,stefanklug/mapnik,kapouer/mapnik,davenquinn/python-mapnik,yohanboniface/python-mapnik,zerebubuth/mapnik,pnorman/mapnik,mapnik/mapnik,yiqingj/work,Airphrame/mapnik,naturalatlas/mapnik,stefanklug/mapnik,tomhughes/python-mapnik,davenquinn/python-mapnik,kapouer/mapnik,jwomeara/mapnik,sebastic/python-mapnik,lightmare/mapnik,tomhughes/mapnik,yohanboniface/python-mapnik,Mappy/mapnik,jwomeara/mapnik,lightmare/mapnik,yiqingj/work,sebastic/python-mapnik,Mappy/mapnik,yohanboniface/python-mapnik,rouault/mapnik,jwomeara/mapnik,mbrukman/mapnik,pramsey/mapnik,pramsey/mapnik,Uli1/mapnik,tomhughes/python-mapnik,pramsey/mapnik,whuaegeanse/mapnik,tomhughes/python-mapnik,qianwenming/mapnik,Mappy/mapnik,whuaegeanse/mapnik,CartoDB/mapnik,stefanklug/mapnik,cjmayo/mapnik