Re: g++-4.6-arm-linux-gnueabihf broken dependencies

On Thu, Jun 13, 2013 at 8:59 AM, Yegor Yefremov
<[email protected]> wrote:
> Hello Neil,
>
> thanks for your help.
>
> On Wed, Jun 12, 2013 at 12:09 PM, Neil Williams <[email protected]> wrote:
>> On Wed, 12 Jun 2013 11:55:58 +0200
>> Yegor Yefremov <[email protected]> wrote:
>>
>>> As mentioned in this post
>>> http://lists.debian.org/debian-embedded/2013/05/msg00034.html there is
>>> still a problem with dependencies, that prevent g++ from being
>>> installed:
>>
>> The solution is the same - use xapt to put the -cross dependencies into place.
>>
>>>  g++-4.6-arm-linux-gnueabihf : Depends: libstdc++6-4.6-dev-armhf-cross
>>> (= 4.6.3-14) but it is not going to be installed
>>
>> $ sudo xapt -a armhf -m libstdc++6-4.6-dev
>
> after executing xapt I could download g++
>
> ii  binutils-arm-linux-gnueabihf                 2.22-7.1
>     amd64        GNU binary utilities, for arm-linux-gnueabihf target
> ii  cpp-4.6-arm-linux-gnueabihf                  4.6.3-14
>     amd64        GNU C preprocessor
> ii  g++-4.6-arm-linux-gnueabihf                  4.6.3-14
>     amd64        GNU C++ compiler
> ii  gcc-4.6-arm-linux-gnueabihf                  4.6.3-14
>     amd64        GNU C compiler
> ii  gcc-4.6-arm-linux-gnueabihf-base             4.6.3-14
>     amd64        GCC, the GNU Compiler Collection (base package)
> ii  libstdc++6-4.4-dev-armhf-cross               4.4.7-2
>     all          GNU Standard C++ Library v3 (development files) (for
> cross-compiling)
> ii  libstdc++6-4.6-dev-armhf-cross               4.6.3-14
>     all          GNU Standard C++ Library v3 (development files) (for
> cross-compiling)
> ii  libstdc++6-4.7-dev                           4.7.2-5
>     amd64        GNU Standard C++ Library v3 (development files)
> ii  libstdc++6-armhf-cross                       4.7.2-5
>     all          GNU Standard C++ Library v3 (for cross-compiling)
>
> If I try to compile Qt stuff (http://www.emdebian.org/qmake.conf.html)
> or anything with g++ I get following error:
>
> arm-linux-gnueabihf-g++ -Wl,-O1 -o simple main.o
> -L/usr/arm-linux-gnueabihf/lib/ -lQtGui -lQtCore -lpthread
> /usr/lib/gcc/arm-linux-gnueabihf/4.6/../../../../arm-linux-gnueabihf/bin/ld:
> cannot find -lstdc++
>
> I can find following libstdc++:
>
> lrwxrwxrwx 1 root root     19 Jun 12 00:52
> /usr/arm-linux-gnueabihf/lib/libstdc++.so.6 -> libstdc++.so.6.0.17
> -rw-r--r-- 1 root root 641216 Jan  8 15:04
> /usr/arm-linux-gnueabihf/lib/libstdc++.so.6.0.17
>
> How can I install libstdc++6-armhf-cross for 4.6.3, if it is the root
> of the problem?

Problem solved. I just took gcc-4.7 and now I can link against
libstdc++. I was misled by the fact, that my ARM Debian image used
gcc-4.6.

Yegor