From c691e088d79dc154b15568b6dbaece1c1aa473e3 Mon Sep 17 00:00:00 2001
From: Wael Nasreddine <wael.nasreddine@gmail.com>
Date: Wed, 24 Nov 2021 10:55:14 -0800
Subject: [PATCH] bazel_4: Fix Bazel-built protoc segfault on macOS Monterey
 (#147097)

This was fixed by enabling the user_link_flags_feature for macosx cc_toolchain_config.

References:
- https://github.com/bazelbuild/bazel/issues/14216
- https://github.com/bazelbuild/bazel/pull/14275
---
 .../tools/build-managers/bazel/bazel_4/default.nix     | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/tools/build-managers/bazel/bazel_4/default.nix b/pkgs/development/tools/build-managers/bazel/bazel_4/default.nix
index 0e021d05ac37..3dd40ad1f8a4 100644
--- a/pkgs/development/tools/build-managers/bazel/bazel_4/default.nix
+++ b/pkgs/development/tools/build-managers/bazel/bazel_4/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, callPackage, lib, fetchurl, fetchFromGitHub, installShellFiles
+{ stdenv, callPackage, lib, fetchurl, fetchpatch, fetchFromGitHub, installShellFiles
 , runCommand, runCommandCC, makeWrapper, recurseIntoAttrs
 # this package (through the fixpoint glass)
 , bazel_self
@@ -214,6 +214,14 @@ stdenv.mkDerivation rec {
       src = ../bazel_rc.patch;
       bazelSystemBazelRCPath = bazelRC;
     })
+
+    # On macOS Monterey, protoc segfaults.
+    # Issue: https://github.com/bazelbuild/bazel/issues/14216
+    # Fix: https://github.com/bazelbuild/bazel/pull/14275
+    (fetchpatch {
+      url = "https://github.com/bazelbuild/bazel/commit/ae0a6c98d4f94abedbedb2d51c27de5febd7df67.patch";
+      sha256 = "sha256-YcdxqjTMGI86k1wgFqxJqghv0kknAjlFQFpt4VccCTE=";
+    })
   ] ++ lib.optional enableNixHacks ../nix-hacks.patch;