From 4f8a9ff1ac4e9b671a732f8a6e4044551f51cc93 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Sun, 18 Feb 2018 00:13:17 -0500
Subject: [PATCH] Use glibc-2.27 for RISC-V support.

---
 pkgs/top-level/all-packages.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index cf8d8d6d5e9..57bc0ec071d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8763,7 +8763,11 @@ with pkgs;
   };
 
   # Being redundant to avoid cycles on boot. TODO: find a better way
-  glibcCross = callPackage ../development/libraries/glibc {
+  glibcCross = let
+    expr = if hostPlatform.isRiscV
+             then ../development/libraries/glibc/2.27.nix
+           else ../development/libraries/glibc;
+  in callPackage expr {
     installLocales = config.glibc.locales or false;
     stdenv = crossLibcStdenv;
   };