error during core/gui build for sparc-sun-solaris2.8

[Ted Stern]

NSWindow.m: In function `-[NSWindow fieldEditor:forObject:]':
NSWindow.m:1093: warning: cannot find method.
NSWindow.m:1093: warning: return type for `windowWillReturnFieldEditor:toObject:
' defaults to id
NSWindow.m: In function `-[NSWindow setFrame:display:]':
NSWindow.m:1587: warning: cannot find method.
NSWindow.m:1587: warning: return type for `windowWillResize:toSize:' defaults to
 id
NSWindow.m:1587: incompatible types in assignment
NSWindow.m: In function `-[NSWindow performClose:]':
NSWindow.m:2218: warning: `NSDocument' does not respond to `windowShouldClose:'
NSWindow.m:2230: warning: cannot find method.
NSWindow.m:2230: warning: return type for `windowShouldClose:' defaults to id
NSWindow.m:2244: warning: `NSWindow' does not respond to `windowShouldClose:'
NSWindow.m: In function `-[NSWindow setToolbar:]':
NSWindow.m:3851: warning: `NSToolbar' does not respond to `_toolbarView'
make[2]: *** [shared_obj/sparc/solaris2.8/gnu-gnu-gnu/NSWindow.o] Error 1
make[1]: *** [libgnustep-gui.all.library.variables] Error 2
make[1]: Leaving directory `/home/users/stern/opt/src/gnustep/core/gui/Source'
make: *** [internal-all] Error 2


I'm using gcc-3.0.4, X11R6 + many other packages.

Any suggestions?  I don't read objc very well, but even so, it seems like
there should be a clearer indication of what the error is here.

-- 
 Ted Stern                           Engineering Applications
 Cray Inc.                                http://www.cray.com
 411 First Avenue South, Suite 600               206-701-2182
 Seattle, WA 98104-2860                     FAX: 206-701-2500
 Debuggers' motto:  Frango ut patefaciam -- I break in order to reveal