From c66f86e584957fd5a5d162e0fc2d93916a1434ff Mon Sep 17 00:00:00 2001
From: Ilya Fedin <fedin-ilja2010@ya.ru>
Date: Sun, 2 Jan 2022 02:44:09 +0400
Subject: [PATCH] range-v3: fix on darwin

Tests fail due to -Werror. It's not a good idea to have -Werror generally since compilers add new warnings and upstream may not be able to fix them in time.
---
 pkgs/development/libraries/range-v3/default.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/range-v3/default.nix b/pkgs/development/libraries/range-v3/default.nix
index 4b5f277fc531..aa9127b7aa12 100644
--- a/pkgs/development/libraries/range-v3/default.nix
+++ b/pkgs/development/libraries/range-v3/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, cmake }:
 
 stdenv.mkDerivation rec {
   pname = "range-v3";
@@ -13,13 +13,18 @@ stdenv.mkDerivation rec {
 
   patches = [
     ./gcc10.patch
+    (fetchpatch {
+      url = "https://github.com/ericniebler/range-v3/commit/66e847d4e14be3a369b7e26a03a172b20e62c003.patch";
+      sha256 = "sha256-JOQptVqNicdMhcDhBrWQRf7MfskBv56cICwvMA8g88Y=";
+    })
   ];
 
   nativeBuildInputs = [ cmake ];
 
   # Building the tests currently fails on AArch64 due to internal compiler
   # errors (with GCC 9.2):
-  cmakeFlags = lib.optional stdenv.isAarch64 "-DRANGE_V3_TESTS=OFF";
+  cmakeFlags = [ "-DRANGES_ENABLE_WERROR=OFF" ]
+    ++ lib.optional stdenv.isAarch64 "-DRANGE_V3_TESTS=OFF";
 
   doCheck = !stdenv.isAarch64;
   checkTarget = "test";