From: John Dallaway <john@dallaway.org.uk>
To: Michael Jones <mjones@linear.com>
Cc: eCos Discussion <ecos-discuss@ecos.sourceware.org>
Subject: [ECOS] Re: Eclipse / CDT without Makefile Project
Date: Thu, 20 Dec 2012 15:34:00 -0000 [thread overview]
Message-ID: <50D32FEE.8070309@dallaway.org.uk> (raw)
In-Reply-To: <B49B1205-12B6-4005-B2E3-1CAFBD612D22@linear.com>
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
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next prev parent reply other threads:[~2012-12-20 15:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-20 7:44 [ECOS] " Michael Jones
2012-12-20 8:32 ` [ECOS] " John Dallaway
2012-12-20 15:15 ` [ECOS] " Michael Jones
2012-12-20 15:34 ` John Dallaway [this message]
2012-12-21 7:03 ` Michael Jones
2012-12-22 11:00 ` Ilija Kocho
[not found] ` <02A08039-66E9-4427-9E68-7C66E5C4200D@linear.com>
[not found] ` <50D5E4B9.5010300@siva.com.mk>
2012-12-22 20:42 ` Michael Jones
[not found] ` <48C70F8E-290F-4E62-98FC-E5CEA9906AAE@linear.com>
2012-12-23 0:09 ` Ilija Kocho
2012-12-23 0:19 ` Michael Jones
2012-12-23 17:58 ` Ilija Kocho
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