From bf4df5fcc4a1fd1e3e34a51f9324fb4fb6bb5a5f Mon Sep 17 00:00:00 2001
From: David Nadlinger <code@klickverbot.at>
Date: Sun, 26 May 2013 19:08:51 +0200
Subject: [PATCH] Remove unnecessary #undefs in Port header.

The Port function names are actually camel-cased and
as such do not collide with the math macros, and undefining
the names in the header is just annoying on platforms where
you want to use the system macros in the implementation.
---
 dmd2/root/port.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/dmd2/root/port.h b/dmd2/root/port.h
index c02675d0..770181ca 100644
--- a/dmd2/root/port.h
+++ b/dmd2/root/port.h
@@ -41,14 +41,6 @@ struct Port
     static double dbl_min;
     static longdouble ldbl_max;
 
-#if !defined __HAIKU__ || __OpenBSD__
-#elif __GNUC__
-    // These conflict with macros in math.h, should rename them
-    #undef isnan
-    #undef isfinite
-    #undef isinfinity
-    #undef signbit
-#endif
     static int isNan(double);
     static int isNan(longdouble);