From a771e362dfd61e67fddadbf36b5ef3f3115f8d81 Mon Sep 17 00:00:00 2001
From: Wenzel Jakob <wenzel.jakob@epfl.ch>
Date: Tue, 19 Jul 2016 17:47:59 +0200
Subject: [PATCH] check for NOMINMAX issue on windows (fixes #291)

---
 include/pybind11/common.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/pybind11/common.h b/include/pybind11/common.h
index 1a734d4f..a278a9f0 100644
--- a/include/pybind11/common.h
+++ b/include/pybind11/common.h
@@ -49,7 +49,11 @@
 #include <frameobject.h>
 #include <pythread.h>
 
-#ifdef isalnum
+#if defined(_WIN32) && (defined(min) || defined(max))
+#  error Macro clash with min and max -- define NOMINMAX when compiling your program on Windows
+#endif
+
+#if defined(isalnum)
 #  undef isalnum
 #  undef isalpha
 #  undef islower