今天编译程序时出现了个奇怪的错误 大神来帮忙看看呗

用的是mega128单片机  
c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/../../../../avr/lib/avr51\libc.a(square.o): In function `square':
(.text.avr-libc.fplib+0x4): relocation truncated to fit: R_AVR_13_PCREL against symbol `__mulsf3' defined in .text section in c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/avr51\libgcc.a(_mul_sf.o)
c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/../../../../avr/lib/avr51\libc.a(log.o): In function `log':
(.text.avr-libc.fplib+0x46): relocation truncated to fit: R_AVR_13_PCREL against symbol `__addsf3' defined in .text section in c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/avr51\libgcc.a(_addsub_sf.o)
c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/../../../../avr/lib/avr51\libc.a(log.o): In function `log':
(.text.avr-libc.fplib+0x4e): relocation truncated to fit: R_AVR_13_PCREL against symbol `__addsf3' defined in .text section in c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/avr51\libgcc.a(_addsub_sf.o)
c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/../../../../avr/lib/avr51\libc.a(modf.o): In function `modff':
(.text.avr-libc.fplib+0x3e): relocation truncated to fit: R_AVR_13_PCREL against symbol `__subsf3' defined in .text section in c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/avr51\libgcc.a(_addsub_sf.o)
make: *** [zong.elf] Error 1
Build failed with 1 errors and 0 warnings...
大家看看怎么解决这个问题~~