From 81f9e288444b9c01c5cef2bf1e9173adf6a25f5a Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Sat, 16 Apr 2022 17:20:16 -0400
Subject: [PATCH] root5: fix for glibc

---
 pkgs/applications/science/misc/root/5.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/applications/science/misc/root/5.nix b/pkgs/applications/science/misc/root/5.nix
index de85043f127e..40a5412e7af7 100644
--- a/pkgs/applications/science/misc/root/5.nix
+++ b/pkgs/applications/science/misc/root/5.nix
@@ -85,6 +85,11 @@ stdenv.mkDerivation rec {
 
     patchShebangs build/unix/
     ln -s ${lib.getDev stdenv.cc.libc}/include/AvailabilityMacros.h cint/cint/include/
+
+    # __malloc_hook is deprecated
+    substituteInPlace misc/memstat/src/TMemStatHook.cxx \
+      --replace "defined(R__GNU) && (defined(R__LINUX) || defined(__APPLE__))" \
+                "defined(R__GNU) && (defined(__APPLE__))"
   ''
   # Fix CINTSYSDIR for "build" version of rootcint
   # This is probably a bug that breaks out-of-source builds