--- /dev/null
+From 99ecedc0930a99fb4d084208964e4c7922a6efec Mon Sep 17 00:00:00 2001
+From: Masanori Kakura <kakurasan@gmail.com>
+Date: Tue, 25 Sep 2018 18:04:06 +0900
+Subject: [PATCH] environment: Use os.path.basename() when checking
+ mesonlib.meson_command
+
+Without this, when one of Meson's parent directories contains
+"python", unexpected option "-u" will be passed to Meson.
+---
+ mesonbuild/environment.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/mesonbuild/environment.py b/mesonbuild/environment.py
+index 7a44f2fd..a0c2fda4 100644
+--- a/mesonbuild/environment.py
++++ b/mesonbuild/environment.py
+@@ -375,7 +375,7 @@ class Environment:
+
+ def get_build_command(self, unbuffered=False):
+ cmd = mesonlib.meson_command[:]
+- if unbuffered and 'python' in cmd[0]:
++ if unbuffered and 'python' in os.path.basename(cmd[0]):
+ cmd.insert(1, '-u')
+ return cmd
+
+--
+2.19.0
+