base configure / HURD

[Riccardo Mottola]

Hi,

when running base configure on HURD/Debian, I get:

configure:12635: checking whether objc really works
configure:12665: gcc -o conftest -g -O2  -I/System/Library/Headers 
-I/Local/Library/Headers -I/Local/Library/Headers  -fgnu-runtime -x 
objective-c  -L/System/Library/Libraries -L/Local/Library/Libraries 
-L/Local/Library/Libraries conftest.c -lrt -ldl  -lpthread -rdynamic 
-pthread -shared-libgcc -fexceptions -fgnu-runtime 
-L/home/multix/GNUstep/Library/Libraries -L/Local/Library/Libraries 
-L/System/Library/Libraries -lpthread -lobjc -lm   -lpthread >&5
In file included from /System/Library/Headers/objc/runtime.h:1:0,
                 from ./config/objc-common.g:7,
                 from ./config/config.objc.m:2,
                 from conftest.c:98:
/System/Library/Headers/ObjectiveC2/runtime.h:126:1: error: unknown type 
name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:135:1: error: unknown type 
name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:139:1: error: unknown type 
name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:185:32: error: unknown 
type name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:187:30: error: unknown 
type name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:189:37: error: unknown 
type name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:189:48: error: unknown 
type name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:191:29: error: unknown 
type name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:193:30: error: unknown 
type name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:195:20: error: unknown 
type name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:197:38: error: unknown 
type name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:199:27: error: unknown 
type name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:201:37: error: unknown 
type name 'Method_t'
/System/Library/Headers/ObjectiveC2/runtime.h:203:30: error: unknown 
type name 'Method_t'
In file included from ./config/config.objc.m:2:0,
                 from conftest.c:98:
./config/objc-common.g:23:1: warning: cannot find interface declaration 
for 'NXConstantString' [enabled by default]
configure:12669: $? = 1

what could that be? I'm using gcc 4.6.1

Thanks,
   Riccardo