pkg/34884: lang/mono will not build; MAP_32BIT not declared (on amd64)

[blair.sadewitz%gmail.com@localhost]

>Number:         34884
>Category:       pkg
>Synopsis:       lang/mono will not build; MAP_32BIT not declared (on amd64)
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Oct 23 03:20:01 +0000 2006
>Originator:     Blair Sadewitz
>Release:        4.99.3
>Organization:
>Environment:
NetBSD woody 4.99.3 NetBSD 4.99.3 (WOODY) #2: Fri Oct 20 08:50:06 EDT 2006  
blair@woody:/home/blair/200610190000Z/WOODY amd64
>Description:
I try to build lang/mono.  This happens:

mono-codeman.c: In function 'new_codechunk':
mono-codeman.c:228: error: 'MAP_32BIT' undeclared (first use in this function)
mono-codeman.c:228: error: (Each undeclared identifier is reported only once
mono-codeman.c:228: error: for each function it appears in.)
gmake[3]: *** [mono-codeman.lo] Error 1

I cannot find much information about this, but see:

lists.ximian.com/pipermail/ mono-patches/2006-September/080423.htm

I am not savvy enough to fix this [quickly] or to really know what's going on, 
unfortunately.  However, this package is integral for GNOME.
>How-To-Repeat:
Build lang/mono on amd64 from pkgsrc-current on -current.
>Fix:
Does it involve defining MONO_ARCH_NOMAP32BIT?  Perhaps, but I am not sure how 
the pkgsrc guys handle amd64.  There is definitely more than that, though.