From 22f1c746dfbd9f83f63002f5ad79bc48dec21189 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Sat, 2 Jan 2021 08:59:22 +0100
Subject: [PATCH] stdenv: use gcc9 for aarch64

Several aarch64 builds fail with is referenced by DSO followed by
bin/ld: final link failed: bad value. This seems related to libgcc_s.so.

https://github.com/NixOS/nixpkgs/issues/108111
---
 pkgs/top-level/all-packages.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c243db14c12..b35bf893e02 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9180,7 +9180,8 @@ in
     then ../development/compilers/gcc/6
     else ../development/compilers/gcc/10);
   gcc = if (with stdenv.targetPlatform; isVc4 || libc == "relibc")
-    then gcc6 else gcc10;
+    then gcc6 else
+      if stdenv.targetPlatform.isAarch64 then gcc9 else gcc10;
   gcc-unwrapped = gcc.cc;
 
   gccStdenv = if stdenv.cc.isGNU then stdenv else stdenv.override {