From 0570ac719e157b39772da1a04538a6aabefc61b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Motiejus=20Jak=C5=A1tys?= <motiejus@uber.com>
Date: Wed, 11 Aug 2021 09:51:20 +0300
Subject: [PATCH] add another point to the known issues

---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index b33a865..5fbb46d 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,17 @@ go_binary(
 )
 ```
 
+## incorrect glibc version autodetection
+
+Task: [ziglang/zig zig detects wrong libc version #6469](https://github.com/ziglang/zig/issues/6469)
+
+Background: zig detects an incorrect glibc version when not specified.
+Therefore, until the task is resolved, registering a GNU toolchain without a
+version suffix (e.g. `linux_amd64_gnu`) is not recommended. We recommend
+specifying the suffix to the oldest system that is mean to run the compiled
+binaries. This is safe, because glibc is backwards-compatible. Alternatively,
+use musl.
+
 # Closed issues
 
 - [ziglang/zig #9139 zig c++ hanging when compiling in parallel](https://github.com/ziglang/zig/issues/9139) (CLOSED)