From 848699d4c1f669af01918b7cfdb438329667ddc2 Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Fri, 28 Jun 2024 12:13:50 -0400
Subject: [PATCH] root: fix darwin build

---
 pkgs/applications/science/misc/root/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/applications/science/misc/root/default.nix b/pkgs/applications/science/misc/root/default.nix
index 5200b3f36006..5d01a33e5dcc 100644
--- a/pkgs/applications/science/misc/root/default.nix
+++ b/pkgs/applications/science/misc/root/default.nix
@@ -223,6 +223,9 @@ stdenv.mkDerivation rec {
     ]}"
   '';
 
+  # error: aligned allocation function of type 'void *(std::size_t, std::align_val_t)' is only available on macOS 10.13 or newer
+  CXXFLAGS = lib.optional (stdenv.hostPlatform.system == "x86_64-darwin") "-faligned-allocation";
+
   # To use the debug information on the fly (without installation)
   # add the outPath of root.debug into NIX_DEBUG_INFO_DIRS (in PATH-like format)
   # and make sure that gdb from Nixpkgs can be found in PATH.