Mike On 20/12/12 15:15, Michael Jones wrote:
> Thanks, now it is closer. I have provided the output showing the final > failure: > > /opt/ecos/gnutools/arm-eabi/lib/gcc/arm-eabi/4.6.3/../../../../arm-eabi/bin/ld: > cannot find crt0.o: No such file or directory > /opt/ecos/gnutools/arm-eabi/lib/gcc/arm-eabi/4.6.3/../../../../arm-eabi/bin/ld: > cannot find -lg > /opt/ecos/gnutools/arm-eabi/lib/gcc/arm-eabi/4.6.3/../../../../arm-eabi/bin/ld: > cannot find -lc > collect2: ld returned 1 exit status > make: *** [Sources/hello.o] Error 1 > > 07:56:20 Build Finished (took 929ms) > > What is interesting is that even with the -L option, it does not show up in > the compile output. > > The rule it makes in the makefile is > > hello_world: $(OBJS) $(USER_OBJS) > @echo 'Building target: $@' > @echo 'Invoking: Cross GCC Linker' > arm-eabi-gcc -nostartfiles -nodefaultlibs -nostdlib -static > -mcpu=cortex-m3 -mthumb -Wl,--gc-sections -Wl,-static -Wl,-n -g -v -nostdlib > -L../../ecos/TWR-K60D100M_install/lib > -T../../ecos/TWR-K60D100M_install/lib/target.ld -o "hello_world" $(OBJS) > $(USER_OBJS) $(LIBS) > @echo 'Finished building target: $@' > @echo ' ' > > Somehow it does not get passed on to the linker. I believe your build is not getting as far as the above makefile rule. You are missing the "-c" flag on your _compilation_ line, so GCC is attempting to both compile and link (using a default linker script) the first time it is invoked. I hope this helps... John Dallaway eCos maintainer http://www.dallaway.org.uk/john -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
