u-boot version :2010.12
arm-linux-gcc version:4.5.1
problem :.....uses hardware FP whereas u-boot uses software FP...........
analysis
:This error message means gcc uses hardware method in FP(Floating Point)
while u-boot uses software.
solution :vi cpu/s3c64xx/config.mk //要視具體情況
change PLATFORM_RELFLAGS+=-fno-common -ffixed-r8 -msoft-float
into
change PLATFORM_RELFLAGS+=-fno-common -ffixed-r8 //讓編譯器自動選