Wolfgang Grandegger wrote:
> Hello,
> 
> I get the following error when building GIT head of xenomai-2.4 for PowerPC:
> 
> Making all in cyclic
> make[3]: Entering directory 
> `/work/wolf/pdm360ng/xenomai-2.4/src/testsuite/cyclic'
> /bin/sh ../../../libtool --tag=CC   --mode=link ../../../scripts/wrap-link.sh 
> ppc-linux-gcc   
> -Wl,@/work/wolf/pdm360ng/xenomai-2.4/src/skins/posix/posix.wrappers   -o 
> cyclictest cyclictest-cyclictest.o ../../skins/posix/libpthread_rt.la 
> -lpthread -lrt 
> libtool: link: ../../../scripts/wrap-link.sh ppc-linux-gcc 
> -Wl,@/work/wolf/pdm360ng/xenomai-2.4/src/skins/posix/posix.wrappers -o 
> .libs/cyclictest cyclictest-cyclictest.o  
> ../../skins/posix/.libs/libpthread_rt.so -lpthread -lrt -Wl,-rpath 
> -Wl,/root/xenomai-2.4/lib
> ../../skins/posix/.libs/libpthread_rt.so: undefined reference to 
> `__real_shm_open'
> ../../skins/posix/.libs/libpthread_rt.so: undefined reference to 
> `__real_shm_unlink'
> collect2: ld returned 1 exit status
> make[3]: *** [cyclictest] Error 1
> make[3]: Leaving directory 
> `/work/wolf/pdm360ng/xenomai-2.4/src/testsuite/cyclic'
> make[2]: *** [all-recursive] Error 1
> make[2]: Leaving directory `/work/wolf/pdm360ng/xenomai-2.4/src/testsuite'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/work/wolf/pdm360ng/xenomai-2.4/src'
> make: *** [all-recursive] Error 1
> 
> Any idea why the functions are missing?

Yes, it is due to a recent patch. Though when they do not exist, they
should not be called, could you show us the results of:

grep HAVE_SHM src/include/xeno_config.h

in xenomai build tree?


-- 
                                            Gilles.

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