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Date: Wed, 30 Dec 2009 17:30:25 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-core] Build problem with xenomai-2.4 git head
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To: Wolfgang Grandegger <wg@domain.hid>
Cc: xenomai-core <xenomai@xenomai.org>

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?

Could you try the following patch? It seems to fix things here:

diff --git a/src/skins/posix/wrappers.c b/src/skins/posix/wrappers.c
index 77c1d59..0e7d2f1 100644
--- a/src/skins/posix/wrappers.c
+++ b/src/skins/posix/wrappers.c
@@ -32,6 +32,7 @@
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <sys/select.h>
+#include <xeno_config.h>

 #undef __real_ftruncate
 #undef __real_mmap


-- 
					    Gilles.