Export symbols with MSVC

Author: ixjlyons

CMakeLists.txt

@@ -5,6 +5,7 @@ cmake_policy(SET CMP0074 NEW)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
 
 if (MSVC)
   # For MSVC to get things like "or", "and", ...