Re: Problem building GDB for sparc-rtems

Joel Sherrill
2011-05-20T13:05:56Z

On 05/20/2011 03:59 AM, David Paterson wrote:
> On Thu, May 19, 2011 at 7:51 PM, Keith Seitz<keiths@redhat.com> wrote:
>> I want to thank Joe& Ralf for jumping in here with additional expertise,
>> but here's another data point.
>>
>> On 05/19/2011 07:09 AM, David Paterson wrote:
>>> Apart from $PATH being a bit wonky, everything else looks good, so
>>> I'll sort out the path and try again, then move to Linux if I'm having no
>>> joy with that.
>> I have a mingw box with no Visual Studio or Cygwin installed on it. All I
>> did was:
>>
>> $ mkdir sparc-rtems; cd sparc-rtems
>> $ CFLAGS="-ggdb -O0" ../gdb-7.2/configure --prefix=$HOME/built
>> --target=sparc-rtems --disable-sim
>> $ make all-gdb install-gdb
>>
>> and this worked with both the 7.2 tarball and CVS HEAD. [There appear to be
>> build problems with the simulator on MinGW.]
>>
This doesn't surprise me. There is a long known issue that some
of the simulators depend on POSIX features which are not
available in MinGW.
>> FWIW:
>>
>> $ echo $PATH
>> .:/usr/local/bin:/mingw/bin:/c/WINDOWS/system32:/c/WINDOWS:/c/WINDWOS/system32/Wbem:/c/mingw/emacs-23.3/bin
>> $ gcc -v
>> Using built-in specs.
>> COLLECT_GCC=C:\MinGW\bin\gcc.exe
>> COLLECT_LTO_WRAPPER=c:/mingw/bin/../libexec/gcc/mingw32/4.5.0/lto-wrapper.exe
>> Target: mingw32
>> Configured with: ../gcc-4.5.0/configure
>> --enable-languages=c,c++,ada,fortran,objc,obj-c++ --disable-sjlj-exceptions
>> --with-dwarf2 --enable-shared --enable-libgomp --disable-win32-registry
>> --enable-libstdcxx-debug --enable-version-specific-runtime-libs
>> --disable-werror --build=mingw32 --prefix=/mingw
>> Thread model: win32
>> gcc vesion 4.5.0 (GCC)
>>
>>
>> I didn't do anything fancy to setup MinGW (which I only use for occasional
>> build testing of Insight); I just followed the instructions on the MinGW
>> homepage.
> Thanks Keith. Based on what you said I had another look at the path, and
> tried explicity resetting it to something similar to yours.
>
> And guess what - GDB builds!! :-)
>
> Looking at the old path, and doing a bit of googling, it seems that the entry
> "nvinitdll" is causing the problem. This is something to do with the nVidia
> drivers on my machine, and I think it might disappear if reinstall or upgrade
> the drivers.
Wow! That's one I had never heard of.
> Anyway, now I know what's going wrong, and I can build my whole toolchain.
> I guess I should also base it on the patched versions, rather than the "raw"
> sources, to make sure it's fully compatible :-)
>
> Thanks to everyone who helped sort this out - much appreciated :-)
>
I am glad it worked for you.
> Cheers,
>
> David P.

--
Joel Sherrill, Ph.D. Director of Research& Development
joel.sherrill@OARcorp.com On-Line Applications Research
Ask me about RTEMS: a free RTOS Huntsville AL 35805
Support Available (256) 722-9985