From f782d4ea338923e5d4adf5d50cc294ff4c5d4ad6 Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <barracuda@macos-powerpc.org>
Date: Sun, 10 Nov 2024 02:11:16 +0800
Subject: [PATCH] utility.cpp: fix lgamma_r for Darwin

---
 src/utility.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git src/utility.cpp src/utility.cpp
index 14138a5..c949c6e 100644
--- src/utility.cpp
+++ src/utility.cpp
@@ -9,6 +9,12 @@
  R package "ranger" under GPL3 license.
  #-------------------------------------------------------------------------------*/
 
+#ifdef __APPLE__
+#ifndef _REENTRANT
+#define _REENTRANT // Some macOS versions require this for lgamma_r
+#endif
+#endif
+
 #include <math.h>
 #include <iostream>
 #include <sstream>