From 703430d890af39e49c1f9a97d0564d2a86732dc7 Mon Sep 17 00:00:00 2001
From: Damyan Pepper <damyanp@microsoft.com>
Date: Fri, 7 Nov 2025 17:00:12 -0800
Subject: [PATCH] Explicitly install g++-9 on linux images

This is no longer included by default on the build images.
---
 azure-pipelines.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 3b7cdb5e5f..c50b2867a7 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -133,6 +133,11 @@ stages:
       displayName: 'Installing dependencies'
       condition: eq(variables['image'], variables['linux'])
 
+    - bash: |
+        sudo apt-get install g++-9 -y
+      displayName: 'Installing g++-9'
+      condition: and(eq(variables['CXX'], 'g++-9'), eq(variables['image'], variables['linux']))
+
     - bash: |
         brew update
         brew install ninja