From ebf807422ace063cf27cf841a32e951f5a5b669d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Onur=20=C3=87elebi?= <celebio@fb.com>
Date: Thu, 4 Apr 2019 08:10:28 -0700
Subject: [PATCH] set environment variable MACOSX_DEPLOYMENT_TARGET to be
 consistent with `-stdlib=libc++`

Summary: On OS X, it shouldn't be necessary to manually set the variable `MACOSX_DEPLOYMENT_TARGET` when installing python bindings.

Reviewed By: EdouardGrave

Differential Revision: D14726033

fbshipit-source-id: 6583650c03f1a2c5da6922d70ca8eb90df89e5ef
---
 setup.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/setup.py b/setup.py
index fdd97eb55..d8061c34b 100644
--- a/setup.py
+++ b/setup.py
@@ -18,6 +18,7 @@
 import setuptools
 import os
 import subprocess
+import platform
 
 __version__ = '0.8.22'
 FASTTEXT_SRC = "src"
@@ -118,6 +119,8 @@ class BuildExt(build_ext):
 
     def build_extensions(self):
         if sys.platform == 'darwin':
+            mac_osx_version = float('.'.join(platform.mac_ver()[0].split('.')[:2]))
+            os.environ['MACOSX_DEPLOYMENT_TARGET'] = str(mac_osx_version)
             all_flags = ['-stdlib=libc++', '-mmacosx-version-min=10.7']
             if has_flag(self.compiler, [all_flags[0]]):
                 self.c_opts['unix'] += [all_flags[0]]