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Date: Thu, 13 Aug 2015 22:26:00 -0000
Message-ID: <CAJ2oMhJ9yBEVk6sqwz=2aWCOD8_vbBo82vjpFiWKM7aKxFpJww@mail.gmail.com>
Subject: Re: gdbserver - manually modify Makefile
From: Ran Shalit <ranshalit@gmail.com>
To: Pedro Alves <palves@redhat.com>
Cc: gdb <gdb@sourceware.org>
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On Fri, Aug 14, 2015 at 12:58 AM, Pedro Alves <palves@redhat.com> wrote:
> On 08/13/2015 09:50 PM, Ran Shalit wrote:
>> Hello,
>>
>> I've  cross compile  gdbserver according to wiki in:
>> https://sourceware.org/gdb/wiki/BuildingCrossGDBandGDBserver
>> ubuntu@ubuntu-laptop:~/gdb-7.9.1/gdb/gdbserver$ sudo ./configure
>> --host=powerpc-buildroot-linux-gnu --disable-werror
>
> You should not need sudo, nor --disable-werror.
>
>>
>> But on doing :
>> make
>> I've noticed that it uses the host gcc instead of the cross-compiler gcc.
>> Only after manually modifying the Makefie with
>> CC = powerpc-buildroot-linux-gnu-gcc
>> instead of
>> CC = gcc
>> It was cross compiling as expected.
>>
>
> Open the config.log file in the build directory, and look for something
> that looks like this:
>
> configure:2558: checking for powerpc-buildroot-linux-gnu-gcc
>
> The following lines should look something like this:
>
> configure:2574: found /path/to/whatever/bin/powerpc-buildroot-linux-gnu-gcc
> configure:2585: result: powerpc-buildroot-linux-gnu-gcc
> configure:2854: checking for C compiler version
> configure:2863: powerpc-buildroot-linux-gnu-gcc --version >&5
>
> But in your case, "result" is probably "gcc".  If configure doesn't
> find $host-gcc, then it'll default to "gcc".  Most likely, you don't
> have powerpc-buildroot-linux-gnu-gcc in the PATH.  Make sure
> it is in the PATH, and that you can execute it (e.g., try
> $ powerpc-buildroot-linux-gnu-gcc -v), and start over.
>
> Let me know how it went.
>
> Thanks,
> Pedro Alves
>

Hi Pedro,

Thanks for the feedback.
You were correct about the PATH, that solved the issue !

But I still need the --disable-werror, otherwise it stops build on
warning (treated as error).

Regards,
Ran