{ 'includes': [ 'common.gypi' ], 'default_configuration': 'Release', 'targets': [ { 'target_name': 'rundemo', 'type': 'executable', 'sources': [ 'rundemo.cpp', ], 'conditions': [ [ 'OS=="mac"', { 'libraries': [ '-lmapnik', '-undefined dynamic_lookup' ], 'xcode_settings': { 'OTHER_CPLUSPLUSFLAGS':[ '