Merge pull request #5640 from apple/jdevlieghere/diff-static-bindings

[lldb] Warn when static bindings are out of sync

Author: JDevlieghere

lldb/bindings/python/CMakeLists.txt

@@ -190,3 +190,14 @@ function(finish_swig_python swig_target lldb_python_bindings_dir lldb_python_tar
       COMMENT "Copying Python DLL to LLDB binaries directory.")
   endif()
 endfunction()
+
+if(${LLDB_USE_STATIC_BINDINGS})
+  set(SOURCE_STATIC_BINDING ${CMAKE_CURRENT_SOURCE_DIR}/static-binding/lldb.py)
+  set(BINARY_STATIC_BINDING ${CMAKE_CURRENT_BINARY_DIR}/lldb.py)
+  set(COPY_STATIC_BINDING ${LLDB_SOURCE_DIR}/scripts/copy-static-bindings.py)
+
+  add_custom_command(TARGET swig_wrapper_python POST_BUILD VERBATIM
+    COMMAND diff -q ${SOURCE_STATIC_BINDING} ${BINARY_STATIC_BINDING} || ${CMAKE_COMMAND} -E cmake_echo_color --red "Update the static bindings by running the following command: ${COPY_STATIC_BINDING} ${CMAKE_BINARY_DIR}"
+    DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/lldb.py
+    COMMENT "Diff the static bindings")
+endif()