Re: Is C++ supported ????

[Mau Z <zmau1962 at gmail dot com>]

Thakns for the quick answer.
You are right. The advice worked.

Now moving on to the next trouble    :-))

Thanks again
Mau


On Mon, Dec 30, 2013 at 7:26 PM, Niels Penneman <niels@penneman.org> wrote:
> Hi
>
> Buildroot's option "BR2_TOOLCHAIN_EXTERNAL_PATH" expects a 'sysroot'
> path which is more than just a GCC folder.
>
> I believe you should use the same as CT_INSTALL_DIR from your
> crosstool-ng configuration, unless you have moved the toolchain
> afterwards. In your case I believe this would be
>
> BR2_TOOLCHAIN_EXTERNAL_PATH="/home/zm02/x-tools/i686-zm-linux-gnu"
>
>
> Before trying this you may want to verify that the toolchain is actually
> in  "/home/zm02/x-tools/i686-zm-linux-gnu". This directory should have
> multiple subdirectories like "bin", "include", "lib", "share", ...
> Inside bin you should find i686-zm-linux-gnu-gcc but also
> i686-zm-linux-gnu-ld and other tools.
>
> On 12/30/2013 06:19 PM, Mau Z wrote:
>> Hi!
>>
>> Thanks for the quick advice.
>>
>> Do you mean that I should put :
>> BR2_TOOLCHAIN_EXTERNAL_PATH="/home/zm02/development/crosstoo-ng/crosstool-ng-1.18.0/toolChain/.build/i686-zm-linux-gnu/build/build-cc-final/gcc/
>>
>>
>> Thanks
>> Mau
>>
>> On Mon, Dec 30, 2013 at 7:09 PM, Niels Penneman <niels@penneman.org> wrote:
>>> Hi,
>>>
>>> I don't know much about buildroot, but I gave your two configuration
>>> files a quick look.
>>>
>>> From your crosstool-ng configuration file, I saw you have not changed
>>> the default installation path for the generated toolchain:
>>>
>>> CT_PREFIX_DIR="${HOME}/x-tools/${CT_TARGET}"
>>> CT_INSTALL_DIR="${CT_PREFIX_DIR}"
>>>
>>> These two settings mean the toolchain will be installed in your home
>>> directory: /home/zm02/x-tools/i686-zm-linux-gnu
>>>
>>> In buildroot, however, you have not configured this correctly. Instead
>>> you seem to have pointed buildroot to an intermediary toolchain used to
>>> build your final toolchain by crosstool-ng:
>>>
>>> BR2_TOOLCHAIN_EXTERNAL_PATH="/home/zm02/development/crosstoo-ng/crosstool-ng-1.18.0/toolChain/.build/i686-zm-linux-gnu/buildtools"
>>>
>>> You should use the final toolchain.
>>>
>>>
>>> On 12/30/2013 05:53 PM, Mau Z wrote:
>>>> Hi!
>>>>
>>>> I had built crosstool-ng
>>>> Then I went to buildroot and tried to build an image.
>>>>
>>>> *Here is the result:*
>>>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>> make[1]: Leaving directory
>>>> `/home/User_1/development/buildroot/buildroot-2013.05'
>>>>>>>   Checking external toolchain settings
>>>> C++ support is selected but is not available in external toolchain
>>>> make: ***
>>>> [/home/User_1/development/buildroot/buildroot-2013.05/output/stamps/ext-toolchain-checked]
>>>> Error 1
>>>>
>>>>
>>>> I am attaching
>>>> 1) crosstool-ng .config file
>>>> 2) buildroot .config file
>>>>
>>>> Any advise ?
>>>>
>>>>
>>>> Thanks
>>>> Mau
>>>
>
>

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