From 5b64de74cffb7f6b6960a482017b8ee49b11c461 Mon Sep 17 00:00:00 2001
From: swiftnav-svc-jenkins
 <42622338+swiftnav-svc-jenkins@users.noreply.github.com>
Date: Tue, 9 Apr 2024 15:30:47 -0700
Subject: [PATCH] cmake - enable c++20 Adds checks for whether the toolchain in
 use is using libc++ and if it only has an experimental version of
 memory_resource

Essentially this is necessary to support building c++17/20 with older clangs using libc++.

Triggered-By:	cmake	117b3f73f44f81ead09320c4bd0aa7fce94a5e39
Upstream-PR:	http://github.com/swift-nav/cmake/pull/173
---
 c/cmake/common | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/c/cmake/common b/c/cmake/common
index f5113f7da..117b3f73f 160000
--- a/c/cmake/common
+++ b/c/cmake/common
@@ -1 +1 @@
-Subproject commit f5113f7da642bbbb16d655cb5a17fd6116914fe1
+Subproject commit 117b3f73f44f81ead09320c4bd0aa7fce94a5e39