Re: [Xenomai-help] compiling xenomai on x86_64

[Jan Kiszka <kiszka@domain.hid>]

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Jan Kiszka wrote:
> ...
> make[3]: Entering directory `/tmp/xenomai/build/skins/native/lib'
> if /bin/sh ../../../libtool --mode=compile --tag=CC gcc -m32
> -DHAVE_CONFIG_H -I. -I/tmp/xenomai/skins/native/lib -I../../../include
> -O2 -I/tmp/linux-2.6.13.1/include -D_GNU_SOURCE -D_REENTRANT -D__XENO__
>  -march=i586 -Wall -pipe -fstrict-aliasing -Wno-strict-aliasing
> -D__IN_XENO__ -Wstrict-prototypes -I../../../include
> -I/tmp/xenomai/include -I/tmp/xenomai/skins/native/lib/../..    -MT
> libnative_la-task.lo -MD -MP -MF ".deps/libnative_la-task.Tpo" -c -o
> libnative_la-task.lo `test -f 'task.c' || echo
> '/tmp/xenomai/skins/native/lib/'`task.c; \
> then mv -f ".deps/libnative_la-task.Tpo" ".deps/libnative_la-task.Plo";
> else rm -f ".deps/libnative_la-task.Tpo"; exit 1; fi
>  gcc -m32 -DHAVE_CONFIG_H -I. -I/tmp/xenomai/skins/native/lib
> -I../../../include -O2 -I/tmp/linux-2.6.13.1/include -D_GNU_SOURCE
> -D_REENTRANT -D__XENO__ -march=i586 -Wall -pipe -fstrict-aliasing
> -Wno-strict-aliasing -D__IN_XENO__ -Wstrict-prototypes
> -I../../../include -I/tmp/xenomai/include
> -I/tmp/xenomai/skins/native/lib/../.. -MT libnative_la-task.lo -MD -MP
> -MF .deps/libnative_la-task.Tpo -c /tmp/xenomai/skins/native/lib/task.c
>  -fPIC -DPIC -o .libs/libnative_la-task.o
> In file included from /tmp/linux-2.6.13.1/include/asm/math_emu.h:4,
>                  from /tmp/linux-2.6.13.1/include/asm/processor.h:11,
>                  from /tmp/linux-2.6.13.1/include/asm/atomic.h:6,
>                  from ../../../include/nucleus/asm/atomic.h:44,
>                  from /tmp/xenomai/include/nucleus/system.h:33,
>                  from /tmp/xenomai/include/nucleus/asm-generic/system.h:560,
>                  from ../../../include/nucleus/asm/system.h:25,
>                  from /tmp/xenomai/include/nucleus/types.h:40,
>                  from /tmp/xenomai/include/nucleus/queue.h:23,
>                  from /tmp/xenomai/include/nucleus/timer.h:23,
>                  from /tmp/xenomai/include/nucleus/thread.h:23,
>                  from /tmp/xenomai/skins/native/lib/../../native/task.h:26,
>                  from /tmp/xenomai/skins/native/lib/task.c:28:
> /tmp/linux-2.6.13.1/include/asm/sigcontext.h:20: error: redefinition of
> struct _fpreg
> /tmp/linux-2.6.13.1/include/asm/sigcontext.h:25: error: redefinition of
> struct _fpxreg
> /tmp/linux-2.6.13.1/include/asm/sigcontext.h:31: error: redefinition of
> struct _xmmreg
> /tmp/linux-2.6.13.1/include/asm/sigcontext.h:35: error: redefinition of
> struct _fpstate
> /tmp/linux-2.6.13.1/include/asm/sigcontext.h:59: error: redefinition of
> struct sigcontext
> 
> Any idea where this comes from? If not, I will dig deeper.
> 

I just analysed this further: the problem disappears when I manually
remove any "-I<path-to-kernel-includes>" from the makefiles. Seems to be
the well-known user space include issue again... ;)

Jan

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