t-kernel team mailing list archive

[Sebastian Huber <sebastian.huber@xxxxxxxxxxxxxxxxxx>]

On 13/04/16 15:36, Peng Fan wrote:
> On Wed, Apr 13, 2016 at 12:51:54PM +0200, Sebastian Huber wrote:
> > >On 13/04/16 12:33, Peng Fan wrote:
> > > >>Ok. I see it. It was finally archived in to libscore.a. Please kindly guide
> > > >>me to fix this, I do not know where to begin.
> > >
> > >Sorry, I didn't follow the thread. What is the problem?
> As Chris posted,
>
> "
> The test is simple:
>
>    $ cat hw.c
>    #include <stdio.h>
>    int main(void)
>    {
>      printf("hello world\n");
>      return 0;
>    }
>    $ arm-rtems4.12-gcc -o hw hw.c
>
>
> The actual failing test case used by configure is attached. It would seem
> changes to newlib or gcc have broken building 3rd party packages.
>
> $ i386-rtems4.12-gcc -o conftest conftest.c
> /opt/work/rtems/4.12/lib/gcc/i386-rtems4.12/6.0.0/../../../../i386-rtems4.12/bin/ld:
> warning: cannot find entry symbol _start; defaulting to 0000000008048074
> /opt/work/rtems/4.12/lib/gcc/i386-rtems4.12/6.0.0/../../../../i386-rtems4.12/lib/libc.a(lib_a-fclose.o):
> In function `_fclose_r':
> /opt/work/chris/rtems/rsb/rtems-source-builder.master/rtems/build/i386-rtems4.12-gcc-6-20160327-newlib-2.4.0-x86_64-freebsd10.1-1/build/i386-rtems4.12/newlib/libc/stdio/../../../../../gcc-6-20160327/newlib/libc/stdio/fclose.c:117:
> undefined reference to `_Mutex_recursive_Release'

Ok, we need probably some hacks in Newlib to make Autoconf happy in case 
you don't build against the proper RTEMS libraries.

--
Sebastian Huber, embedded brains GmbH

Address : Dornierstr. 4, D-82178 Puchheim, Germany
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