X-Git-Url: http://plrg.eecs.uci.edu/git/?p=folly.git;a=blobdiff_plain;f=folly%2Fportability%2FWindows.h;h=7ccfde8c01a99eafd109ff4ef9d574d6851291bf;hp=2cb0bda86769d89cfbf9c35457635ba66394348c;hb=887367cae9e579cd1b715265a4f1b089beda71da;hpb=c32f067bded198c6e907ee31ed76d83baa856a8e

diff --git a/folly/portability/Windows.h b/folly/portability/Windows.h
index 2cb0bda8..7ccfde8c 100755
--- a/folly/portability/Windows.h
+++ b/folly/portability/Windows.h
@@ -37,6 +37,18 @@
 #include <direct.h> // nolint
 #endif
 
+#if defined(min) || defined(max)
+#error Windows.h needs to be included by this header, or else NOMINMAX needs \
+ to be defined before including it yourself.
+#endif
+
+// This is needed because, for some absurd reason, one of the windows headers
+// tries to define "min" and "max" as macros, which messes up most uses of
+// std::numeric_limits.
+#ifndef NOMINMAX
+#define NOMINMAX 1
+#endif
+
 #include <WinSock2.h>
 #include <Windows.h>