From aad3bfdd522d06a2be28145dc4ccbb349ce52b2f Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Mon, 22 Mar 2021 18:44:34 +0100
Subject: [PATCH] Test clang using libc++ in GitHub Actions CI build

This is more useful than testing clang with libstdc++ which we also use
in the other CI builds with gcc.
---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d0a9633eef..de2e2d4f96 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -123,7 +123,7 @@ jobs:
           case "${{ matrix.compiler }}" in
             clang)
               echo CC=clang >> $GITHUB_ENV
-              echo CXX=clang++ >> $GITHUB_ENV
+              echo CXX='clang++ -stdlib=libc++' >> $GITHUB_ENV
               echo LD=clang++ >> $GITHUB_ENV
 
               allow_warn_opt="-Wno-error=#warnings"