now i got this error:
linking ... boot.elf
c:/devkitPro/libogc/lib/wii\libogc.a(ipc.o): In function `__ios_ioctlvformat_parse':
ipc.c
.text.__ios_ioctlvformat_parse+0x174): undefined reference to `__ctype_ptr__'
c:/devkitpro/devkitppc/bin/../lib/gcc/powerpc-gekko/4.2.4/../../../../powerpc-gekko/bin/ld.exe: c:/devkitPro/libogc/lib/wii\libogc.a(ipc.o)(.text.__ios_ioctlvformat_parse+0x174): unresolvable R_PPC_EMB_SDA21 relocation against symbol `__ctype_ptr__'
ipc.c
.text.__ios_ioctlvformat_parse+0x4e8): undefined reference to `__ctype_ptr__'
c:/devkitpro/devkitppc/bin/../lib/gcc/powerpc-gekko/4.2.4/../../../../powerpc-gekko/bin/ld.exe: c:/devkitPro/libogc/lib/wii\libogc.a(ipc.o)(.text.__ios_ioctlvformat_parse+0x4e8): unresolvable R_PPC_EMB_SDA21 relocation against symbol `__ctype_ptr__'
c:/devkitpro/devkitppc/bin/../lib/gcc/powerpc-gekko/4.2.4/../../../../powerpc-gekko/bin/ld.exe: final link failed: Nonrepresentable section on output
collect2: ld returned 1 exit status
make[1]: *** [/c/usbloader/boot.elf] Error 1
"make": *** [build] Error 2