From 18018f12cf777bd84846b7e40e9f1b0a44f5ff87 Mon Sep 17 00:00:00 2001
From: Matt Borgerson <contact@mborgerson.com>
Date: Sat, 10 Jan 2026 02:44:50 -0700
Subject: [PATCH] ubuntu-win64-cross: Add zstd to build tools

---
 ubuntu-win64-cross/gcc.Dockerfile  | 3 ++-
 ubuntu-win64-cross/llvm.Dockerfile | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/ubuntu-win64-cross/gcc.Dockerfile b/ubuntu-win64-cross/gcc.Dockerfile
index f41a81a3ce..8721dc4d59 100644
--- a/ubuntu-win64-cross/gcc.Dockerfile
+++ b/ubuntu-win64-cross/gcc.Dockerfile
@@ -54,7 +54,8 @@ RUN apt-get update \
         software-properties-common \
         unzip \
         wget \
-        xz-utils
+        xz-utils \
+        zstd
 
 RUN git clone ${MXE_REPO} ${MXE_PATH} \
  && cd ${MXE_PATH} \
diff --git a/ubuntu-win64-cross/llvm.Dockerfile b/ubuntu-win64-cross/llvm.Dockerfile
index 6026cf844d..a62e218467 100644
--- a/ubuntu-win64-cross/llvm.Dockerfile
+++ b/ubuntu-win64-cross/llvm.Dockerfile
@@ -32,7 +32,8 @@ RUN apt-get update \
         python3-venv \
         python3-yaml \
         ruby \
-        zip
+        zip \
+        zstd
 
 WORKDIR /usr/local
 RUN git clone -b ${MXE_TAG} --single-branch ${MXE_REPO}