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From: Dimitry Andric Receiver: yan xiaotian Time: 2006-12-11, 16:33:45 Subject: Re: How to make crosstool support for VFP software fp format? yan xiaotian wrote: > linking object sirfapi ...... > arm-9tdmi-linux-gnu-gcc -o sirfapi opengprs.o sirfapi.o -L. -lGPSEngine -lm > -lpthread > /opt/crosstool/gcc-3.4.1-glibc-2.3.3/arm-9tdmi-linux-gnu/lib/gcc/arm-9tdmi-linux-gnu/3.4.1/../../../../arm-9tdmi-linux-gnu/bin/ld: > ERROR: ./libGPSEngine.a(AGPS.o) uses *VFP* instructions, whereas > *sirfapi*(our > program) does not This means that libGPSEngine.a was compiled with a different compiler (at least, one with a different floating point setting). Just compile everything with the same compiler, and you should be good to go. Yes, Dimitry, libGPSEngine was compiled with MontaVista's own toolchain, what u suggested is certainly a feasible and safe way to solve my problem, so far. Now I wonder if I can achieve it by compiling with a compatible-configured toolchain, at least vfp-softfp format-compatible toolchain...like crosstool-0.42 . Is this possible? I am working on it....
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