From 3a3200bd68568a480ea6700c00b32d38b496d475 Mon Sep 17 00:00:00 2001
From: Nick Gerleman <ngerlem@meta.com>
Date: Fri, 27 Oct 2023 18:52:49 -0500
Subject: [PATCH] Try passing -stdlib=libc++
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Seeing if this builds everywhere and fixes the Clang compilation issue on Ubuntu latest (where Clang doesn’t like stdlibc++ chrono headers).
---
 cmake/project-defaults.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmake/project-defaults.cmake b/cmake/project-defaults.cmake
index c262bac8af..65706f1673 100644
--- a/cmake/project-defaults.cmake
+++ b/cmake/project-defaults.cmake
@@ -42,7 +42,9 @@ add_compile_options(
     $<$<CONFIG:RELEASE>:-O2>
     # Enable separate sections per function/data item
     $<$<CONFIG:RELEASE>:-ffunction-sections>
-    $<$<CONFIG:RELEASE>:-fdata-sections>)
+    $<$<CONFIG:RELEASE>:-fdata-sections>
+    # Use libc++ when building with Clang on Linux
+    $<$<CXX_COMPILER_ID:Clang,GNU>:-stdlib=libc++>)
 
 add_link_options(
     # Discard unused sections