set(WINDOWS_EXPORT_ALL_SYMBOLS ON)

CMakeLists.txt

@@ -22,6 +22,10 @@ set(CMAKE_C_STANDARD 99)
 if(MSVC)
     message(FATAL_ERROR "kww must not be compiled with MSVC because it needs 80 bits long doubles")
 endif()
+if(WIN32)
+    set(WINDOWS_EXPORT_ALL_SYMBOLS ON)
+    message(STATUS "compiling for Windows")
+endif()
 add_compile_options(-O2)
 if(PEDANTIC)
     add_compile_options(-pedantic -Wall)