From eb6fe423398e7c2f996d7f4e7147519a848f2833 Mon Sep 17 00:00:00 2001
From: Andrew Paxie <cpp.scribe@gmail.com>
Date: Mon, 14 Jun 2021 04:58:06 +1200
Subject: [PATCH] Issue 237: Disable -Wreserved-identifer warning from
 clang++-13

---
 CMakeLists.txt | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8e458c9c..acc67112 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -150,6 +150,9 @@ if (MASTER_PROJECT AND CMAKE_BUILD_TYPE MATCHES Debug)
              " -Wno-weak-vtables"
              " -Wno-exit-time-destructors"
              " -Wno-global-constructors")
+
+      # Disable for Catch2.
+      # See <https://github.com/catchorg/Catch2/issues/1456>
       check_cxx_compiler_flag("-Wno-extra-semi-stmt" WARN_SEMI_STMT)
 
       if (WARN_SEMI_STMT)
@@ -166,6 +169,16 @@ if (MASTER_PROJECT AND CMAKE_BUILD_TYPE MATCHES Debug)
                " -Wno-zero-as-null-pointer-constant")
       endif()
 
+      # Disable for Catch2.
+      # See <https://github.com/catchorg/Catch2/issues/578>
+      check_cxx_compiler_flag("-Wno-reserved-identifier" WARN_RESERVED_ID)
+
+      if (WARN_RESERVED_ID)
+        string(APPEND
+               WARN_FLAGS
+               " -Wno-reserved-identifier")
+      endif()
+
     elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
       string(CONCAT
              WARN_FLAGS