Make sure option is set before any add_subdirectory calls

Author: nbollom

CMakeLists.txt

@@ -15,6 +15,7 @@ endif()
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
 
 add_subdirectory(game)
 add_subdirectory(utils)
@@ -24,7 +25,6 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
     option(WINFORMS_ENABLED "Enable native Windows interface" ON)
     set(COCOA_ENABLED OFF)
     set(NCURSES_ENABLED OFF)
-    set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
 elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
     option(COCOA_ENABLED "Enable native MacOS interface" ON)
     option(NCURSES_ENABLED "Enable NCurses interface" ON)