chore: add mocks as header set if supported (#6561)

Reviewed-by: pajlada <rasmus.karlsson@pajlada.com>

CHANGELOG.md

@@ -38,6 +38,7 @@
 - Dev: The LuaLS meta files moved from `docs/plugin-meta.lua` to `docs/lua-meta/globals.lua`. (#6530)
 - Dev: Compile time definitions for `Windows.h` are now conditional based on `WIN32` instead of `MSVC`. (#6534)
 - Dev: Refactored split container nodes to use shared pointers. (#6435)
+- Dev: Mock headers are now added as a header set if supported by CMake. (#6561)
 
 ## 2.5.4
 

mocks/CMakeLists.txt

@@ -4,4 +4,28 @@ add_library(chatterino-mocks INTERFACE)
 
 target_include_directories(chatterino-mocks INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include)
 
-target_link_libraries(${PROJECT_NAME} INTERFACE gmock)
+if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")
+    target_sources(chatterino-mocks INTERFACE
+        FILE_SET HEADERS
+        BASE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/include"
+        FILES
+            include/mocks/BaseApplication.hpp
+            include/mocks/Channel.hpp
+            include/mocks/ChatterinoBadges.hpp
+            include/mocks/DisabledStreamerMode.hpp
+            include/mocks/EmoteController.hpp
+            include/mocks/EmptyApplication.hpp
+            include/mocks/Helix.hpp
+            include/mocks/LinkResolver.hpp
+            include/mocks/Logging.hpp
+            include/mocks/TwitchIrcServer.hpp
+            include/mocks/TwitchUsers.hpp
+            include/mocks/UserData.hpp
+    )
+    set_target_properties(chatterino-mocks
+        PROPERTIES
+            VERIFY_INTERFACE_HEADER_SETS ON
+    )
+endif()
+
+target_link_libraries(${PROJECT_NAME} INTERFACE gmock chatterino-lib)