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Re: Eclipse / CDT without Makefile Project
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
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