Add GLFW_DLL to target interface

examples/CMakeLists.txt

@@ -2,7 +2,6 @@
 link_libraries(glfw)
 
 if (BUILD_SHARED_LIBS)
-    add_definitions(-DGLFW_DLL)
     link_libraries("${MATH_LIBRARY}")
 else()
     link_libraries(${glfw_LIBRARIES})

src/CMakeLists.txt

@@ -99,6 +99,7 @@ if (BUILD_SHARED_LIBS)
         target_compile_options(glfw PRIVATE "-fvisibility=hidden")
     endif()
 
+    target_compile_definitions(glfw INTERFACE -DGLFW_DLL)
     target_link_libraries(glfw ${glfw_LIBRARIES})
 endif()
 

tests/CMakeLists.txt

@@ -2,7 +2,6 @@
 link_libraries(glfw)
 
 if (BUILD_SHARED_LIBS)
-    add_definitions(-DGLFW_DLL)
     link_libraries("${MATH_LIBRARY}")
 else()
     link_libraries(${glfw_LIBRARIES})