sign dylibs postbuild

Engine/source/CMakeLists.txt

@@ -490,7 +490,11 @@ if (APPLE)
         XCODE_ATTRIBUTE_ENABLE_TESTABILITY[variant=Debug] YES
         XCODE_ATTRIBUTE_SDL_FILE_DIR[variant=Debug] parent
         XCODE_ATTRIBUTE_SDL_FILE_DIR[variant=RelWithDebInfo] parent
-        XCODE_ATTRIBUTE_SDL_FILE_DIR[variant=Release] resource)
+        XCODE_ATTRIBUTE_SDL_FILE_DIR[variant=Release] resource
+    )
+
+    get_target_property(_sdl2_loc SDL2::SDL2 IMPORTED_LOCATION)
+    sign_dylib_post_build(${TORQUE_APP_NAME} "${_sdl2_loc}")
  
 elseif (WIN32)
     add_executable(${TORQUE_APP_NAME} WIN32 ${TORQUE_SOURCE_FILES})

Tools/CMake/torqueMacOSconfigs.cmake

@@ -64,4 +64,32 @@ set(CMAKE_INSTALL_RPATH "@executable_path/../Frameworks")
 set(CMAKE_BUILD_RPATH "@executable_path/../Frameworks")
 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
 
+function(sign_dylibs_post_build TARGET)
+    if(NOT APPLE)
+        return()
+    endif()
+
+    if(NOT ARGN)
+        message(WARNING "sign_dylibs_post_build: no dylibs provided for target '${TARGET}'")
+        return()
+    endif()
+
+    if(NOT DEFINED APPLE_CODESIGN_IDENTITY)
+        set(APPLE_CODESIGN_IDENTITY "-")
+    endif()
+
+    foreach(DYLIB_PATH IN LISTS ARGN)
+        add_custom_command(TARGET ${TARGET} POST_BUILD
+            COMMAND codesign
+                --force
+                --sign "${APPLE_CODESIGN_IDENTITY}"
+                --timestamp
+                --options runtime
+                "${DYLIB_PATH}"
+            COMMENT "Signing ${DYLIB_PATH}"
+            VERBATIM
+        )
+    endforeach()
+endfunction()
+
 endif(APPLE)