While compiling the X server in xserver/hw/darwin/quartz/quartz.c these errors are reported:

In file included from quartz.h:37,
                 from quartz.c:34:
quartzPasteboard.h:37: warning: function declaration isn’t a prototype
quartzPasteboard.h:41: warning: function declaration isn’t a prototype
In file included from quartz.c:35:
./../darwin.h:50: warning: function declaration isn’t a prototype
quartz.c:39:21: error: applewm.h: No such file or directory
quartz.c: In function ‘DarwinModeAddScreen’:
quartz.c:87: warning: target of assignment not really an lvalue; this will be a hard error in the future
quartz.c: In function ‘DarwinModeInitOutput’:
quartz.c:136: warning: passing argument 1 of ‘RegisterBlockAndWakeupHandlers’ from incompatible 
pointer type
quartz.c: In function ‘DarwinModeProcessEvent’:
quartz.c:343: error: ‘AppleWMActivationNotify’ undeclared (first use in this function)
quartz.c:343: error: (Each undeclared identifier is reported only once
quartz.c:343: error: for each function it appears in.)
quartz.c:344: error: ‘AppleWMActivationNotifyMask’ undeclared (first use in this function)
quartz.c:345: error: ‘AppleWMIsActive’ undeclared (first use in this function)
quartz.c:351: error: ‘AppleWMIsInactive’ undeclared (first use in this function)
quartz.c:375: error: ‘AppleWMControllerNotify’ undeclared (first use in this function)
quartz.c:376: error: ‘AppleWMControllerNotifyMask’ undeclared (first use in this function)
quartz.c:382: error: ‘AppleWMPasteboardNotify’ undeclared (first use in this function)
quartz.c:383: error: ‘AppleWMPasteboardNotifyMask’ undeclared (first use in this function)

This patch makes it go away:

33,35d32
< #ifdef HAVE_XORG_CONFIG_H
< #include <xorg-config.h>
< #endif
42c39
< #include "X11/extensions/applewm.h"
---
> #include "applewm.h"

Mac OS X 10.4.8
GCC 4.0.1
Release 7.1.99.2