Update CMakeLists.txt

CMakeLists.txt

@@ -46,20 +46,38 @@ set_target_properties(${PROJECT_NAME} PROPERTIES
                              VERSION ${PROJECT_VERSION}
                            SOVERSION ${PROJECT_VERSION_MAJOR})
 
-target_include_directories(${PROJECT_NAME} PRIVATE include)
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
+target_include_directories(${PROJECT_NAME}
+    PUBLIC 
+        $<INSTALL_INTERFACE:include>    
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    PRIVATE
+        ${CMAKE_CURRENT_SOURCE_DIR}/src
+)
+
+# Test Configuration
+if(XML_USE_TEST)
+  include(CTest)
+  enable_testing()
+  add_subdirectory(test)
+endif()
 
 # Install 
 install(TARGETS ${PROJECT_NAME}
         EXPORT  ${PROJECT_NAME}
-        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
+        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        RUNTIME DESTINATION ${CMAKE_INSTALL_LIBDIR})
 
 install(DIRECTORY include/${PROJECT_NAME} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
         PATTERN ".*" EXCLUDE)
 
-# Test Configuration
-if(XML_USE_TEST)
-  include(CTest)
-  enable_testing()
-  add_subdirectory(test)
-endif()
+# Config
+export(TARGETS ${PROJECT_NAME}
+       NAMESPACE ${PROJECT_NAME}::
+       FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+)
+
+install(EXPORT      ${PROJECT_NAME}
+        NAMESPACE   ${PROJECT_NAME}::
+        DESTINATION ${CMAKE_INSTALL_LIBDIR}/${PROJECT_NAME}/cmake)
+