cmake: on windows build a dll

Author: Mizux

CMakeLists.txt

@@ -54,8 +54,7 @@ if(UNIX)
     set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${CMAKE_BINARY_DIR}/${OutputConfig}/${CMAKE_INSTALL_BINDIR})
   endforeach()
 else()
-  # Currently Only support static build for windows
-  option(BUILD_SHARED_LIBS "Build shared libraries (.dll)." OFF)
+  option(BUILD_SHARED_LIBS "Build shared libraries (.dll)." ON)
   set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})
   set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})
   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})