From 9befd421ca0e0fa7ae8eaeee60c0a97c84431a30 Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Thu, 14 Dec 2023 17:59:18 -0500
Subject: [PATCH] workaround hack for macOS

---
 src/PYTHON/python_impl.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/PYTHON/python_impl.cpp b/src/PYTHON/python_impl.cpp
index c1c26c7bb3..ea4ac63ce7 100644
--- a/src/PYTHON/python_impl.cpp
+++ b/src/PYTHON/python_impl.cpp
@@ -79,7 +79,7 @@ PythonImpl::PythonImpl(LAMMPS *lmp) : Pointers(lmp)
   // Force the stdout and stderr streams to be unbuffered.
   bool unbuffered = PYTHONUNBUFFERED != nullptr && strcmp(PYTHONUNBUFFERED, "1") == 0;
 
-#if PY_VERSION_HEX >= 0x030800f0
+#if (PY_VERSION_HEX >= 0x030800f0) && !defined(__APPLE__)
   PyConfig config;
   PyConfig_InitPythonConfig(&config);
   config.buffered_stdio = !unbuffered;
@@ -87,6 +87,8 @@ PythonImpl::PythonImpl(LAMMPS *lmp) : Pointers(lmp)
   // Python Global configuration variable
   Py_UnbufferedStdioFlag = unbuffered;
 #endif
+#else
+#warning Cannot force stdout and stderr to be unbuffered
 #endif
 
 #ifdef MLIAP_PYTHON