https://github.com/Cockatrice/Cockatrice/issues/4825
https://github.com/Cockatrice/Cockatrice/commit/ee674cb0cfa42875eef1a0a80597840816ad86ea

From 07625b7736b8ec1ca1d6013c61b5a48e46715e90 Mon Sep 17 00:00:00 2001
From: Zach H <zahalpern+github@gmail.com>
Date: Fri, 13 Oct 2023 14:45:22 -0400
Subject: [PATCH] Support MacOS 12 & 13. Support Protobuf 23. Deprecate MacOS
 11. (#4884)

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -216,11 +216,13 @@ include(FindQtRuntime)
 set(CMAKE_AUTOMOC TRUE)
 
 # Find other needed libraries
-find_package(Protobuf REQUIRED)
-if(NOT EXISTS "${Protobuf_PROTOC_EXECUTABLE}")
+find_package(Protobuf CONFIG)
+if(NOT Protobuf_FOUND)
+  find_package(Protobuf REQUIRED)
+endif()
+
+if(${Protobuf_VERSION} VERSION_LESS "3.21.0.0" AND NOT EXISTS "${Protobuf_PROTOC_EXECUTABLE}")
   message(FATAL_ERROR "No protoc command found!")
-else()
-  message(STATUS "Found Protobuf ${Protobuf_VERSION} at: ${Protobuf_LIBRARIES}")
 endif()
 
 #Find OpenSSL
--- a/common/debug_pb_message.cpp
+++ b/common/debug_pb_message.cpp
@@ -8,15 +8,6 @@
 #include <google/protobuf/message.h>
 #include <google/protobuf/text_format.h>
 
-// google/protobuf/stubs/strutil.h is missing on some systems!
-namespace google
-{
-namespace protobuf
-{
-std::string CEscape(const std::string &src);
-} // namespace protobuf
-} // namespace google
-
 // FastFieldValuePrinter is added in protobuf 3.4, going out of our way to add the old FieldValuePrinter is not worth it
 #if GOOGLE_PROTOBUF_VERSION > 3004000
 
@@ -44,8 +35,8 @@ void LimitedPrinter::PrintString(const std::string &val,
 {
     auto length = val.length();
     if (length > MAX_TEXT_LENGTH) {
-        generator->PrintString("\"" + ::google::protobuf::CEscape(val.substr(0, MAX_NAME_LENGTH)) + "... ---snip--- (" +
-                               std::to_string(length) + " bytes total) \"");
+        ::google::protobuf::TextFormat::FastFieldValuePrinter::PrintString(
+            val.substr(0, MAX_NAME_LENGTH) + "... ---snip--- (" + std::to_string(length) + " bytes total", generator);
     } else {
         ::google::protobuf::TextFormat::FastFieldValuePrinter::PrintString(val, generator);
     }
--- a/common/pb/CMakeLists.txt
+++ b/common/pb/CMakeLists.txt
@@ -160,23 +160,35 @@ set(PROTO_FILES
     session_event.proto
 )
 
-include_directories(${PROTOBUF_INCLUDE_DIRS})
-include_directories(${CMAKE_CURRENT_BINARY_DIR})
-protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS ${PROTO_FILES})
+if(${Protobuf_VERSION} VERSION_LESS "3.21.0.0")
+  message(STATUS "Using Protobuf Legacy Mode")
+  include_directories(${PROTOBUF_INCLUDE_DIRS})
+  include_directories(${CMAKE_CURRENT_BINARY_DIR})
+  protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS ${PROTO_FILES})
 
-add_library(cockatrice_protocol ${PROTO_SRCS} ${PROTO_HDRS})
-set(cockatrice_protocol_LIBS ${PROTOBUF_LIBRARIES})
-if(UNIX)
-  set(cockatrice_protocol_LIBS ${cockatrice_protocol_LIBS} -lpthread)
-endif(UNIX)
-target_link_libraries(cockatrice_protocol ${cockatrice_protocol_LIBS})
+  add_library(cockatrice_protocol ${PROTO_SRCS} ${PROTO_HDRS})
+  set(cockatrice_protocol_LIBS ${PROTOBUF_LIBRARIES})
+  if(UNIX)
+    set(cockatrice_protocol_LIBS ${cockatrice_protocol_LIBS} -lpthread)
+  endif(UNIX)
+  target_link_libraries(cockatrice_protocol ${cockatrice_protocol_LIBS})
 
-# ubuntu uses an outdated package for protobuf, 3.1.0 is required
-if(${Protobuf_VERSION} VERSION_LESS "3.1.0")
-  # remove unused parameter and misleading indentation warnings when compiling to avoid errors
-  set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wno-unused-parameter -Wno-misleading-indentation")
-  message(WARNING "Older protobuf version found (${Protobuf_VERSION} < 3.1.0), "
-                  "disabled the warnings 'unused-parameter' and 'misleading-indentation' for protobuf generated code "
-                  "to avoid compilation errors."
+  # ubuntu uses an outdated package for protobuf, 3.1.0 is required
+  if(${Protobuf_VERSION} VERSION_LESS "3.1.0")
+    # remove unused parameter and misleading indentation warnings when compiling to avoid errors
+    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wno-unused-parameter -Wno-misleading-indentation")
+    message(WARNING "Older protobuf version found (${Protobuf_VERSION} < 3.1.0), "
+                    "disabled the warnings 'unused-parameter' and 'misleading-indentation' for protobuf generated code "
+                    "to avoid compilation errors."
+    )
+  endif()
+else()
+  add_library(cockatrice_protocol ${PROTO_FILES})
+  target_link_libraries(cockatrice_protocol PUBLIC protobuf::libprotobuf)
+  set(PROTO_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}")
+  target_include_directories(cockatrice_protocol PUBLIC "${PROTOBUF_INCLUDE_DIRS}")
+
+  protobuf_generate(
+    TARGET cockatrice_protocol IMPORT_DIRS "${CMAKE_CURRENT_LIST_DIR}" PROTOC_OUT_DIR "${PROTO_BINARY_DIR}"
   )
 endif()
-- 
2.43.0