This usually means that you built some stuff with a compiler that uses FPA and you are trying to link in objects that were built with a compiler that uses VFP.
I see this alot with hard-float and soft-float merging. ie. people try to use a gcc built with hard-float and try to pass soft-float to an app. Your toolchain is built with FPA, whereas your app is trying to be built with VFP On Wed, 2007-11-28 at 08:23 -0500, C B wrote: > > I think I've very close to finally getting my eCos application in working > order. I seemed to have stumbled over one last issue related to the > incompatibility of FPA and VFP. I'm trying to build for a target using the > armv5te instruction set and have eCos building fine with arm-elf-gcc 4.1.1 > using VFP. I'm also compiling my application using VFP but when I try and > link everything I get error messages that indicate that several of the > arm-elf libs use FPA and therefore I'm unable to build my target executable. > Do I need to rebuild my gcc installation or is there something more simple > that I can do to avoid this? > > Linker output: > > Building target: eCos_Test.exe > Invoking: Cygwin C Linker > arm-elf-gcc -nostartfiles -nodefaultlibs -nostdlib -static > -L"C:\cygwin\opt\ecos\ecos-cvs\cb5\cb5_install\lib" -Ttarget.ld -g > -march=armv5te -Wl,-Map,mapfile.txt -mcpu=xscale -o"eCos_Test.exe" > ./hello.o > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_udivsi3.o) uses FPA > instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_udivsi3.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_divsi3.o) > uses FPA instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_divsi3.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_umodsi3.o) uses FPA > instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_umodsi3.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_modsi3.o) > uses FPA instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_modsi3.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_dvmd_tls.o) uses FPA > instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_dvmd_tls.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_addsubdf3.o) uses FPA > instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_addsubdf3.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_muldivdf3.o) uses FPA > instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_muldivdf3.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_cmpdf2.o) > uses FPA instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_cmpdf2.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_unorddf2.o) uses FPA > instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_unorddf2.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_fixdfsi.o) uses FPA > instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_fixdfsi.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_truncdfsf2.o) uses FPA > instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_truncdfsf2.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_divdi3.o) > uses FPA instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_divdi3.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_udivdi3.o) uses FPA > instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_udivdi3.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_umoddi3.o) uses FPA > instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_umoddi3.o) > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: ERROR: > /ecos-c/Program Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_clz.o) > uses FPA instructions, whereas eCos_Test.exe does not > /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/../../../../arm-elf/bin/ld: failed > to merge target specific data of file /ecos-c/Program > Files/GNUARM/bin/../lib/gcc/arm-elf/4.1.1/libgcc.a(_clz.o) > collect2: ld returned 1 exit status > make: *** [eCos_Test.exe] Error 1 > > _________________________________________________________________ > Put your friends on the big screen with Windows Vista® + Windows Live™. > http://www.microsoft.com/windows/shop/specialoffers.mspx?ocid=TXT_TAGLM_CPC_MediaCtr_bigscreen_102007 > -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
