From 98b0ef8ab5112bfb54f9093c5898ecab7a71ba68 Mon Sep 17 00:00:00 2001
From: Michael Graeb <graebm@amazon.com>
Date: Wed, 27 Nov 2024 21:53:12 +0000
Subject: [PATCH] Add CI check with _GLIBCXX_USE_CXX11_ABI=0

---
 .github/workflows/ci.yml | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 37879946f..823dc9b3e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ env:
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
-  
+
 jobs:
   linux-compat-use-openssl:
     runs-on: ubuntu-22.04 # latest
@@ -143,6 +143,18 @@ jobs:
         aws s3 cp s3://aws-crt-test-stuff/ci/${{ env.BUILDER_VERSION }}/linux-container-ci.sh ./linux-container-ci.sh && chmod a+x ./linux-container-ci.sh
         ./linux-container-ci.sh ${{ env.BUILDER_VERSION }} aws-crt-${{ env.LINUX_BASE_IMAGE }} build -p ${{ env.PACKAGE_NAME }} --compiler=${{ matrix.compiler }} --cmake-extra=-DBUILD_SHARED_LIBS=ON
 
+  linux-glibcxx-ancient-abi:
+    runs-on: ubuntu-22.04 # latest
+    strategy:
+      matrix:
+        compiler: [gcc-11] # oldest, latest
+    steps:
+        # We can't use the `uses: docker://image` version yet, GitHub lacks authentication for actions -> packages
+    - name: Build ${{ env.PACKAGE_NAME }}
+      run: |
+        aws s3 cp s3://aws-crt-test-stuff/ci/${{ env.BUILDER_VERSION }}/linux-container-ci.sh ./linux-container-ci.sh && chmod a+x ./linux-container-ci.sh
+        ./linux-container-ci.sh ${{ env.BUILDER_VERSION }} aws-crt-${{ env.LINUX_BASE_IMAGE }} build -p ${{ env.PACKAGE_NAME }} --compiler=gcc-11 --cmake-extra=-DBUILD_SHARED_LIBS=ON --cmake-extra=-DCMAKE_CXX_FLAGS=-D_GLIBCXX_USE_CXX11_ABI=0
+
   linux-openssl-static:
     runs-on: ubuntu-22.04 # latest
     steps: