Re: [Xenomai] error on building xddp-echo example

[Philippe Gerum <rpm@xenomai.org>]

On 07/20/2012 11:19 AM, Danilo De Lorenzo wrote:
> Thanks! now I can build the examples successfully, but at runtime I
> still get the error:
>
> socket: Address family not supported by protocol
>
> and this is the output of:
>
> nm -s ./xddp-echo
>

You need to enable CONFIG_XENO_DRIVERS_RTIPC options in your kernel 
configuration, specifically CONFIG_XENO_DRIVERS_RTIPC_XDDP. If you 
enable them as modules, don't forget to load xeno_rtipc.ko.

> 0000000000601e10 d _DYNAMIC
> 0000000000601fe8 d _GLOBAL_OFFSET_TABLE_
> 0000000000401710 R _IO_stdin_used
>                   w _Jv_RegisterClasses
> 0000000000601df0 d __CTOR_END__
> 0000000000601de8 d __CTOR_LIST__
> 0000000000601e00 D __DTOR_END__
> 0000000000601df8 d __DTOR_LIST__
> 0000000000401a48 r __FRAME_END__
> 00000000004018c0 r __FUNCTION__.5821
> 0000000000601e08 d __JCR_END__
> 0000000000601e08 d __JCR_LIST__
> 00000000006021a0 A __bss_start
> 0000000000602100 D __data_start
> 00000000004016c0 t __do_global_ctors_aux
> 0000000000400f60 t __do_global_dtors_aux
> 0000000000602108 D __dso_handle
>                   U __errno_location@@GLIBC_2.2.5
>                   w __gmon_start__
> 0000000000601de4 d __init_array_end
> 0000000000601de4 d __init_array_start
> 00000000004016b0 T __libc_csu_fini
> 0000000000401620 T __libc_csu_init
>                   U __libc_start_main@@GLIBC_2.2.5
>                   U __stack_chk_fail@@GLIBC_2.4
>                   U __wrap_bind
>                   U __wrap_clock_nanosleep
>                   U __wrap_free
>                   U __wrap_open
>                   U __wrap_pthread_create
>                   U __wrap_read
>                   U __wrap_recvfrom
>                   U __wrap_sendto
>                   U __wrap_setsockopt
>                   U __wrap_socket
>                   U __wrap_write
> 00000000006021a0 A _edata
> 00000000006021c0 A _end
> 00000000004016f8 T _fini
> 0000000000400ce0 T _init
> 0000000000400f10 T _start
>                   U asprintf@@GLIBC_2.2.5
> 0000000000400f3c t call_gmon_start
> 0000000000401399 T cleanup_upon_sig
> 00000000006021a0 b completed.6458
> 0000000000602100 W data_start
> 00000000006021a8 b dtor_idx.6460
>                   U exit@@GLIBC_2.2.5
> 0000000000400ff4 t fail
> 0000000000400fd0 t frame_dummy
> 00000000004013fb T main
>                   U mlockall@@GLIBC_2.2.5
> 0000000000602120 d msg
> 00000000006021b8 B nrt
>                   U perror@@GLIBC_2.2.5
>                   U pthread_attr_init@@GLIBC_2.2.5
>                   U pthread_attr_setdetachstate@@GLIBC_2.2.5
>                   U pthread_attr_setinheritsched@@GLIBC_2.2.5
>                   U pthread_attr_setschedparam@@GLIBC_2.2.5
>                   U pthread_attr_setschedpolicy@@GLIBC_2.2.5
>                   U pthread_cancel@@GLIBC_2.2.5
>                   U pthread_join@@GLIBC_2.2.5
>                   U pthread_sigmask@@GLIBC_2.2.5
> 0000000000401016 T realtime_thread
> 0000000000401295 T regular_thread
> 00000000006021b0 B rt
>                   U rt_print_auto_init
>                   U rt_printf
>                   U sigaddset@@GLIBC_2.2.5
>                   U sigemptyset@@GLIBC_2.2.5
>                   U signal@@GLIBC_2.2.5
>                   U sigsuspend@@GLIBC_2.2.5
>
>
> Danilo
>
> On Thu, Jul 19, 2012 at 9:21 PM, Philippe Gerum <rpm@xenomai.org
> <mailto:rpm@xenomai.org>> wrote:
>
>     On 07/19/2012 07:18 PM, Danilo De Lorenzo wrote:
>      > I'm getting this error when compiling the examples in the ipc folder
>      >
>      > gcc -I/usr/xenomai/include -D_GNU_SOURCE -D_REENTRANT -Wall
>      > -Werror-implicit-function-
>      > declaration -pipe -D__XENO__ -I/usr/xenomai/include/posix
>      > -Wl,@/usr/xenomai/lib/posix.wrappers -L/usr/xenomai/lib -lpthread_rt
>      > -lxenomai -lpthread -lrt   -lrtdm -Xlinker -rpath -Xlinker
>      > /usr/xenomai/lib  xddp-echo.c   -o xddp-echo
>      >
>      > /usr/bin/ld: /tmp/cc4VCXFp.o: undefined reference to symbol
>      > 'pthread_sigmask@@GLIBC_2.2.5'
>      > /usr/bin/ld: note: 'pthread_sigmask@@GLIBC_2.2.5' is defined in DSO
>      > /lib/x86_64-linux-gnu/libpthread.so.0 so try adding it to the linker
>      > command line
>      > /lib/x86_64-linux-gnu/libpthread.so.0: could not read symbols:
>     Invalid
>      > operation
>      > collect2: ld returned 1 exit status
>      > make: *** [xddp-echo] Error 1
>      >
>      > Is this a xenomai bug or glibc library bug?
>
>     Linker wants to see references first, for pulling symbols. Does this
>     help?
>
>     diff --git a/examples/rtdm/profiles/ipc/Makefile
>     b/examples/rtdm/profiles/ipc/Makefile
>     index 15da135..4ea38f0 100644
>     --- a/examples/rtdm/profiles/ipc/Makefile
>     +++ b/examples/rtdm/profiles/ipc/Makefile
>     @@ -39,6 +39,9 @@ CFLAGS=$(shell $(XENOCONFIG) --skin=posix
>     --cflags) $(MY_CFLAGS)
>
>       LDFLAGS=$(shell $(XENOCONFIG) --skin=posix --ldflags)
>     $(MY_LDFLAGS) -lrtdm
>
>     +%: %.c
>     +       $(CC) -o $@ $< $(CFLAGS) $(LDFLAGS)
>     +
>       # Add the Xenomai libdir to the runtime library search path for the
>       # binary, to make life easier for beginners if Xenomai's libs are not
>       # in any default search path.
>
>      >
>      > Thanks
>      >
>      > Danilo
>      > _______________________________________________
>      > Xenomai mailing list
>      > Xenomai@xenomai.org <mailto:Xenomai@xenomai.org>
>      > http://www.xenomai.org/mailman/listinfo/xenomai
>      >
>
>
>     --
>     Philippe.
>
>
>


-- 
Philippe.