Compilation on OS X failed

[Oliver Langer]

Hi!

I've posted the following bug months ago using the bugtracker on 
savannah, but maybe this tracker is not consulted so frequently. 
Whatever...

Trying to install GNUstep once again on my OS X box by following the 
instructions (README's, Platform notes etc.), i got the following 
error:

<snip>
Making install for resource_set base-resources...
 Compiling file GCObject.m ...
GSObjCRuntime.m: In function `GSAppendMethodToList':
GSObjCRuntime.m:881: warning: assignment discards qualifiers from 
pointer target type
GSObjCRuntime.m: In function `gs_skip_type_qualifier_and_layout_info':
GSObjCRuntime.m:1109: error: `_C_BYREF' undeclared (first use in this 
function)
GSObjCRuntime.m:1109: error: (Each undeclared identifier is reported 
only once
GSObjCRuntime.m:1109: error: for each function it appears in.)
make[3]: *** [shared_debug_obj/GSObjCRuntime.o] Error 1
make[3]: *** Waiting for unfinished jobs....
</snip>

The reason seems to be the following: The definitions for
  _C_BYREF
  _C_GCINVISIBLE
  _F_BYREF
  _F_GCINVISIBLE
are missing in preface.h under section for NEXTSTEP (<- is this correct 
for OS X?). Adding these definitions the compilation and installation 
ends up with success.

Hope this helps!

Best regards,
  Oliver