From e48e406def79de91d13199b923091e333368bbb3 Mon Sep 17 00:00:00 2001
From: Daniel Pouzzner <douzzer@wolfssl.com>
Date: Mon, 10 Oct 2022 16:48:49 -0500
Subject: [PATCH] CMakeLists.txt: add handling for WARNING_C_FLAGS in setup for
 CMAKE_C_FLAGS, to allow override warning config, e.g. without -Werror.

---
 CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 800d76cbf..9a324692f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -169,7 +169,9 @@ find_package(Threads)
 # Example for map file and custom linker script
 #set(CMAKE_EXE_LINKER_FLAGS " -Xlinker -Map=output.map -T\"${CMAKE_CURRENT_SOURCE_DIR}/linker.ld\"")
 
-if(WIN32)
+if(DEFINED WARNING_C_FLAGS)
+set(CMAKE_C_FLAGS "${WARNING_C_FLAGS} ${CMAKE_C_FLAGS}")
+elseif(WIN32)
 # Windows cl.exe does not support the -Wextra, -Wno-unused and -Werror flags.
 set(CMAKE_C_FLAGS "-Wall ${CMAKE_C_FLAGS}")
 else()