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