From e73d89fed8da38d7f2eaeb2169801ad379124ae3 Mon Sep 17 00:00:00 2001
From: Kazuki Sakamoto <sakamoto@splhack.org>
Date: Thu, 3 Dec 2015 23:36:01 -0800
Subject: [PATCH] WORKAROUND: Allow to honor PYTHONHOME environment variable
 for +python/dyn and +python3/dyn

It is temporary fix and it may be changed in the future
https://github.com/vim/vim/pull/500

Example:

	let $PYTHONHOME="/usr/local/Frameworks/Python.framework/Versions/2.7"
	set pythondll=/usr/local/Frameworks/Python.framework/Versions/2.7/Python
---
 src/if_python.c  | 5 ++++-
 src/if_python3.c | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/if_python.c b/src/if_python.c
index 1d87cac4d2..1ab8d756df 100644
--- a/src/if_python.c
+++ b/src/if_python.c
@@ -932,7 +932,10 @@ Python_Init(void)
 #endif
 
 #ifdef PYTHON_HOME
-	Py_SetPythonHome(PYTHON_HOME);
+# ifdef DYNAMIC_PYTHON
+	if (mch_getenv((char_u *)"PYTHONHOME") == NULL)
+# endif
+	    Py_SetPythonHome(PYTHON_HOME);
 #endif
 
 	init_structs();
diff --git a/src/if_python3.c b/src/if_python3.c
index 721e3cc5bb..387b811f61 100644
--- a/src/if_python3.c
+++ b/src/if_python3.c
@@ -858,7 +858,10 @@ Python3_Init(void)
 
 
 #ifdef PYTHON3_HOME
-	Py_SetPythonHome(PYTHON3_HOME);
+# ifdef DYNAMIC_PYTHON3
+	if (mch_getenv((char_u *)"PYTHONHOME") == NULL)
+# endif
+	    Py_SetPythonHome(PYTHON3_HOME);
 #endif
 
 	PyImport_AppendInittab("vim", Py3Init_vim);