Atombios redefines the standard types (wtf?) but the definitions conflict
with the ones from glibc (causes build failures on GNU/Hurd and GNU/kFreeBSD).

Index: xserver-xorg-video-radeonhd/src/AtomBios/includes/CD_Common_Types.h
===================================================================
--- xserver-xorg-video-radeonhd.orig/src/AtomBios/includes/CD_Common_Types.h
+++ xserver-xorg-video-radeonhd/src/AtomBios/includes/CD_Common_Types.h
@@ -49,7 +49,7 @@
 		typedef __int32             int32_t;
 #elif defined (__linux__) || defined (__NetBSD__) \
     || defined(__sun) || defined(__OpenBSD__) \
-    || defined (__FreeBSD__) || defined(__DragonFly__)
+    || defined (__FreeBSD__) || defined(__DragonFly__) || defined(__GLIBC__)
 		typedef unsigned int uint32_t;
 		typedef int int32_t;
 	#else