print compiler version during configure step (ref #3616)
print compiler version during configure step (ref #3616)

naturalatlas/mapnik,mapnik/mapnik,naturalatlas/mapnik,mapnik/mapnik,naturalatlas/mapnik,tomhughes/mapnik,naturalatlas/mapnik,lightmare/mapnik,tomhughes/mapnik,lightmare/mapnik,lightmare/mapnik,mapnik/mapnik,tomhughes/mapnik,lightmare/mapnik,mapnik/mapnik,tomhughes/mapnik