From a716d78264a136211311c92a2f573b4ca23af742 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@clickhouse.com>
Date: Sat, 13 Aug 2022 06:06:01 +0200
Subject: [PATCH] Support build with clang-16

---
 CMakeLists.txt       | 3 ++-
 cmake/warnings.cmake | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d5ce1996f3..e3eff050015 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -153,6 +153,8 @@ if (COMPILER_CLANG)
             set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Xclang -fuse-ctor-homing")
         endif()
     endif()
+
+    no_warning(enum-constexpr-conversion) # breaks Protobuf in clang-16
 endif ()
 
 # If compiler has support for -Wreserved-identifier. It is difficult to detect by clang version,
@@ -606,4 +608,3 @@ if (NATIVE_BUILD_TARGETS
         COMMAND ${CMAKE_COMMAND} --build "${NATIVE_BUILD_DIR}" --target ${NATIVE_BUILD_TARGETS}
         COMMAND_ECHO STDOUT)
 endif ()
-
diff --git a/cmake/warnings.cmake b/cmake/warnings.cmake
index a8f12fe26dd..042935a835f 100644
--- a/cmake/warnings.cmake
+++ b/cmake/warnings.cmake
@@ -42,6 +42,7 @@ if (COMPILER_CLANG)
     no_warning(weak-template-vtables)
     no_warning(weak-vtables)
     no_warning(thread-safety-negative) # experimental flag, too many false positives
+    no_warning(enum-constexpr-conversion) # breaks magic-enum library in clang-16
     # TODO Enable conversion, sign-conversion, double-promotion warnings.
 elseif (COMPILER_GCC)
     # Add compiler options only to c++ compiler