17 #if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__) || \
18 defined( __BCPLUSPLUS__) || defined( __MWERKS__)
20 # if defined(GEOS_DLL_EXPORT)
21 # define GEOS_DLL __declspec(dllexport)
22 # elif defined(GEOS_DLL_IMPORT)
23 # define GEOS_DLL __declspec(dllimport)