From 1eacbd50fadec3ea4b881d5f2dfa181e5e1f69b1 Mon Sep 17 00:00:00 2001
From: Stefan Agner <stefan@agner.ch>
Date: Thu, 15 Dec 2022 21:27:59 +0100
Subject: [PATCH] Support non-multiarch toolchains on 32-bit ARM (#4191)

fixes https://github.com/esphome/issues/issues/3904
---
 docker/Dockerfile | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index a49ad5a9ef..0dd505a9b8 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -12,6 +12,9 @@ FROM debian:bullseye-20221024-slim AS base-docker
 
 FROM base-${BASEIMGTYPE} AS base
 
+ARG TARGETARCH
+ARG TARGETVARIANT
+
 RUN \
     apt-get update \
     # Use pinned versions so that we get updates with build caching
@@ -36,6 +39,14 @@ ENV \
   # Store globally installed pio libs in /piolibs
   PLATFORMIO_GLOBALLIB_DIR=/piolibs
 
+# Support legacy binaries on Debian multiarch system. There is no "correct" way
+# to do this, other than using properly built toolchains...
+# See: https://unix.stackexchange.com/questions/553743/correct-way-to-add-lib-ld-linux-so-3-in-debian
+RUN \
+    if [ "$TARGETARCH$TARGETVARIANT" = "armv7" ]; then \
+        ln -s /lib/arm-linux-gnueabihf/ld-linux.so.3 /lib/ld-linux.so.3; \
+    fi
+
 RUN \
     # Ubuntu python3-pip is missing wheel
     pip3 install --no-cache-dir \