Merge pull request #310 from foobit/dll

fixed CMake Win32 shared library export

CMakeLists.txt

@@ -74,6 +74,8 @@ endif()
 add_library(gravityapi SHARED ${SRC_FILES})
 add_library(gravityapi_s STATIC ${SRC_FILES})
 
+target_compile_definitions(gravityapi PUBLIC BUILD_GRAVITY_API)
+
 # ----------------------------------------------------------------
 set(GRAVITY_TARGETS gravityapi gravityapi_s)
 
@@ -86,6 +88,7 @@ foreach(target ${GRAVITY_TARGETS})
 
 endforeach()
 
+
 # ----------------------------------------------------------------
 
 add_executable(gravity ${GRAVITY_SRC})