Each module now has its own export macro, which solves the "unresolved symbol" error with sf::Time::Zero

src/SFML/Audio/CMakeLists.txt

@@ -8,6 +8,7 @@ set(SRC
     ${SRCROOT}/ALCheck.hpp
     ${SRCROOT}/AudioDevice.cpp
     ${SRCROOT}/AudioDevice.hpp
+    ${INCROOT}/Export.hpp
     ${SRCROOT}/Listener.cpp
     ${INCROOT}/Listener.hpp
     ${SRCROOT}/Music.cpp

src/SFML/CMakeLists.txt

@@ -33,9 +33,6 @@ set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/Modules/")
 # set the output directory for SFML libraries
 set(LIBRARY_OUTPUT_PATH "${PROJECT_BINARY_DIR}/lib")
 
-# define the export symbol
-add_definitions(-DSFML_EXPORTS)
-
 # add the modules subdirectories
 add_subdirectory(System)
 add_subdirectory(Window)

src/SFML/Graphics/CMakeLists.txt

@@ -9,6 +9,7 @@ set(SRC
     ${SRCROOT}/Color.cpp
     ${INCROOT}/Color.hpp
     ${INCROOT}/Drawable.hpp
+    ${INCROOT}/Export.hpp
     ${SRCROOT}/Font.cpp
     ${INCROOT}/Font.hpp
     ${INCROOT}/Glyph.hpp

src/SFML/Network/CMakeLists.txt

@@ -4,6 +4,7 @@ set(SRCROOT ${PROJECT_SOURCE_DIR}/src/SFML/Network)
 
 # all source files
 set(SRC
+    ${INCROOT}/Export.hpp
     ${SRCROOT}/Ftp.cpp
     ${INCROOT}/Ftp.hpp
     ${SRCROOT}/Http.cpp

src/SFML/System/CMakeLists.txt

@@ -8,6 +8,7 @@ set(SRC
     ${INCROOT}/Clock.hpp
     ${SRCROOT}/Err.cpp
     ${INCROOT}/Err.hpp
+    ${INCROOT}/Export.hpp
     ${SRCROOT}/Lock.cpp
     ${INCROOT}/Lock.hpp
     ${SRCROOT}/Mutex.cpp

src/SFML/Window/CMakeLists.txt

@@ -6,6 +6,7 @@ set(SRCROOT ${PROJECT_SOURCE_DIR}/src/SFML/Window)
 set(SRC
     ${SRCROOT}/Context.cpp
     ${INCROOT}/Context.hpp
+    ${INCROOT}/Export.hpp
     ${SRCROOT}/GlContext.cpp
     ${SRCROOT}/GlContext.hpp
     ${SRCROOT}/GlResource.cpp