commit 3c13fd538bc3f03d05bf161da1c3599b6ef7467e
Author: Dimitry Andric <dim@FreeBSD.org>
Date:   Sat May 15 21:41:55 2021 +0200

    devel/aws-c-common: detect -moutline-atomics correctly

diff --git a/devel/aws-c-common/files/patch-cmake_AwsCFlags.cmake b/devel/aws-c-common/files/patch-cmake_AwsCFlags.cmake
new file mode 100644
index 000000000000..1c72b98b3fdf
--- /dev/null
+++ b/devel/aws-c-common/files/patch-cmake_AwsCFlags.cmake
@@ -0,0 +1,11 @@
+--- cmake/AwsCFlags.cmake.orig	2020-12-30 21:06:26 UTC
++++ cmake/AwsCFlags.cmake
+@@ -73,7 +73,7 @@ function(aws_set_common_properties target)
+ 
+        # -moutline-atomics generates code for both older load/store exclusive atomics and also
+        # Arm's Large System Extensions (LSE) which scale substantially better on large core count systems
+-        check_c_compiler_flag(-moutline-atomics HAS_MOUTLINE_ATOMICS)
++        check_c_compiler_flag("-moutline-atomics -Werror" HAS_MOUTLINE_ATOMICS)
+         if (HAS_MOUTLINE_ATOMICS)
+             list(APPEND AWS_C_FLAGS -moutline-atomics)
+         endif()