CMake: properly include examples and tests with macro (added unit_test_framework dependency for unit tests)

CMakeLists.txt

@@ -150,6 +150,10 @@ if (BUILD_TESTS OR BUILD_EXAMPLES)
         list (APPEND WEBSOCKETPP_BOOST_LIBS random)
     endif()
 
+    if (BUILD_TESTS)
+        list (APPEND WEBSOCKETPP_BOOST_LIBS unit_test_framework)
+    endif()
+
     ############ Dependencies
 
     # Set BOOST_ROOT env variable or pass with cmake -DBOOST_ROOT=path.
@@ -221,12 +225,12 @@ add_subdirectory (websocketpp)
 
 # Add examples
 if (BUILD_EXAMPLES)
-    add_subdirectory (examples)
+    include_subdirs ("examples")
 endif ()
 
 # Add tests
 if (BUILD_TESTS)
-    add_subdirectory (test)
+    include_subdirs ("test")
 endif ()
 
 print_used_build_config()

cmake/CMakeHelpers.cmake

@@ -76,3 +76,12 @@ endmacro ()
 macro (link_openssl)
     target_link_libraries (${TARGET_NAME} ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY})
 endmacro ()
+
+macro (include_subdirs PARENT)
+    file (GLOB SDIRS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "${PARENT}/*")
+    foreach (SUBDIR ${SDIRS})
+        if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIR}/CMakeLists.txt")
+            add_subdirectory ("${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIR}")
+        endif ()
+    endforeach ()
+endmacro()

examples/CMakeLists.txt

@@ -1,6 +0,0 @@
-file (GLOB SDIRS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *)
-foreach (SUBDIR ${SDIRS})
-    if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIR}/CMakeLists.txt")
-        add_subdirectory (${SUBDIR})
-    endif ()
-endforeach ()