problem about compiler RTEMS!

[red-eye at 263.net]

to use RTEMS on ERC32.i download the four RPMS to build c cross compiler:
sparc-rtems-binutils-2.10-3.i386.rpm
sparc-rtems-gcc-gcc2.95.2newlib1.9.0-2.i386.rpm
rtems-base-binutils-2.10-3.i386.rpm
rtems-base-gcc-gcc2.95.2newlib1.9.0-2.i386.rpm
they are install right!
but when i build rtems-ss-20010326 
   export PATH=$PATH:/opt/rtems/bin
../rtems-ss-20010326/configure --target=sparc-rtems --di
sable-rtems-inlines --disable-posix --disable-itron --disable-networking --enable-gcc28 --enable-cxx --prefix=/opt/rtems
there is error like this:

 checking if cpu sparc is supported... yes
checking for sparc-rtems-gcc... sparc-rtems-gcc
checking for gcc... (cached) sparc-rtems-gcc
checking whether the C compiler (sparc-rtems-gcc  ) works... no
configure: error: installation or configuration problem: C compiler cannot create executables.
configure: error: ../../../../rtems-ss-20010326/c/make/configure failed for make
configure: error: ../../../rtems-ss-20010326/c/configure failed for c

why?
i do the same on mips and build the rtems-ss-20010326 correctly!

i see my hello_world.num?
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0201a52c B __Thread_Executing
0201a530 B __Configuration_MP_table
0201a534 B __Watchdog_Sync_count
0201a538 B __Objects_Maximum_nodes
0201a53c B __Thread_Heir
0201a540 B __Priority_Bit_map
0201a560 B __MPCI_Packet_processors
0201a580 B __Thread_Internal_information
0201a5b8 B __Objects_MP_Inactive_global_objects
0201a5c4 B __Thread_MP_Receive
0201a5c8 B _rtems_ada_self
0201a5cc B __Thread_Dispatch_disable_level
0201a5d0 B __TOD_Microseconds_per_tick
0201a5d4 B __System_state_Current
0201a5d8 B __Objects_Local_node
0201a5e0 B __Workspace_Area
0201a600 B __Objects_Information_table
0201a648 B __TOD_Current
0201a668 B __TOD_Seconds_watchdog
0201a690 B __Thread_Idle
0201a698 B __RTEMS_tasks_Number_of_initialization_tasks
0201a6a0 B __Dual_ported_memory_Information
0201a6d4 B __RTEMS_tasks_User_initialization_tasks
0201a6d8 B __Region_Information
0201a710 B __RTEMS_tasks_Information
0201a748 B __Partition_Information
0201a780 B __Timer_Information
0201a7b4 B __Event_Sync_state
0201a7b8 B __Semaphore_Information
0201a7f0 B __Rate_monotonic_Information
0201a828 B __Message_queue_Information
0201a85c B end
0201a860 B __end
0201a860 B _end
02400000 A _RAM_END

it has so much function that i did not use in the hello_world,such as
Semaphore¡¢memory manage¡¢etc.i just use task creat and delete,did not use task suspend and rtems_rate_monotonic_create .etc
why they are in my code? and how to move them from my application 
program code?
                                                   thanks alt



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