From b3e6b40cf4d80a5824b46e615714a30ba8eda1c5 Mon Sep 17 00:00:00 2001
From: Yoshi Walsh <yoshi@yoshiwalsh.me>
Date: Mon, 7 Sep 2026 07:09:55 +1000
Subject: [PATCH] Revert nRF52 toolchain to gcc 9.3.1 to avoid build errors

Newer versions of gcc cause build failures for variants that include use of MicroNMEA.
---
 platformio.ini | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platformio.ini b/platformio.ini
index 2219c97862..bc91879d4b 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -86,7 +86,7 @@ platform_packages =
   ; https://github.com/meshcore-dev/MeshCore/pull/1177
   ; https://github.com/meshcore-dev/MeshCore/pull/1295
   framework-arduinoadafruitnrf52 @ https://github.com/meshcore-dev/Adafruit_nRF52_Arduino#d541301
-  platformio/toolchain-gccarmnoneeabi@^1.140201.0
+  platformio/toolchain-gccarmnoneeabi@^1.90301.200702
 extra_scripts = create-uf2.py
 build_flags = ${arduino_base.build_flags}
   -D NRF52_PLATFORM