From a5aa12b44617d965b0f7024167407c4161b1a6cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Sun, 17 Apr 2022 10:14:55 +0200
Subject: [PATCH] mrustc: fixup build

Probably after gcc update.  Anyway, including standard headers
should be safe even if not utilized (and they do seem here).
---
 pkgs/development/compilers/mrustc/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/compilers/mrustc/default.nix b/pkgs/development/compilers/mrustc/default.nix
index 4c813d88b76..2172c61099f 100644
--- a/pkgs/development/compilers/mrustc/default.nix
+++ b/pkgs/development/compilers/mrustc/default.nix
@@ -25,6 +25,7 @@ stdenv.mkDerivation rec {
     sed -i 's/\$(shell git show --pretty=%H -s)/${rev}/' Makefile
     sed -i 's/\$(shell git symbolic-ref -q --short HEAD || git describe --tags --exact-match)/${tag}/' Makefile
     sed -i 's/\$(shell git diff-index --quiet HEAD; echo $$?)/0/' Makefile
+    sed '1i#include <limits>' -i src/trans/codegen_c.cpp
   '';
 
   strictDeps = true;