maria-developers team mailing list archive

[Sergey Vojtovich <svoj@xxxxxxxxxxx>]

Hi Lixun,

you likely have quite outdated compiler on that host. Anyway, there is a patch
for similar issue on IBM Z, which should solve this problem:
http://lists.askmonty.org/pipermail/commits/2015-November/008648.html

Regards,
Segrey


On Tue, Dec 01, 2015 at 09:14:55PM +0800, Lixun Peng wrote:
> Hi everyone,
> 
> 
> Recently I want to test MariaDB 10.1.9 on Linux on Power8.
> 
> *But GCC will report following errors:*
> 
> [ 52%] Building CXX object
> > storage/innobase/CMakeFiles/innobase.dir/api/api0api.cc.o
> > In file included from
> > /root/mariadb-10.1.9/storage/innobase/include/ut0ut.h:36,
> >                  from
> > /root/mariadb-10.1.9/storage/innobase/include/univ.i:636,
> >                  from
> > /root/mariadb-10.1.9/storage/innobase/api/api0api.cc:27:
> > /root/mariadb-10.1.9/storage/innobase/include/os0sync.h:521:4: error:
> > #error "Unsupported platform"
> > [ 52%] Building CXX object
> > storage/archive/CMakeFiles/archive.dir/ha_archive.cc.o
> > In file included from
> > /root/mariadb-10.1.9/storage/innobase/include/sync0sync.h:837,
> >                  from
> > /root/mariadb-10.1.9/storage/innobase/include/mem0mem.h:34,
> >                  from
> > /root/mariadb-10.1.9/storage/innobase/include/data0data.h:33,
> >                  from
> > /root/mariadb-10.1.9/storage/innobase/include/que0que.h:30,
> >                  from
> > /root/mariadb-10.1.9/storage/innobase/include/api0misc.h:32,
> >                  from
> > /root/mariadb-10.1.9/storage/innobase/api/api0api.cc:38:
> > /root/mariadb-10.1.9/storage/innobase/include/sync0sync.ic: In function
> > ‘lock_word_t ib_mutex_test_and_set(ib_mutex_t*)’:
> > /root/mariadb-10.1.9/storage/innobase/include/sync0sync.ic:85: error:
> > ‘os_atomic_test_and_set’ was not declared in this scope
> > /root/mariadb-10.1.9/storage/innobase/include/sync0sync.ic: In function
> > ‘void mutex_reset_lock_word(ib_mutex_t*)’:
> > /root/mariadb-10.1.9/storage/innobase/include/sync0sync.ic:113: error:
> > ‘os_atomic_clear’ was not declared in this scope
> > make[2]: *** [storage/innobase/CMakeFiles/innobase.dir/api/api0api.cc.o]
> > Error 1
> > make[1]: *** [storage/innobase/CMakeFiles/innobase.dir/all] Error 2
> > make[1]: *** Waiting for unfinished jobs....
> 
> 
> 
> I found the problem is:
> 
> *storage/innobase/include/sync0sync.ic*
> 
> > ib_mutex_test_and_set(
> > /*==================*/
> >         ib_mutex_t*     mutex)  /*!< in: mutex */
> > {
> > #if defined(HAVE_ATOMIC_BUILTINS)
> >         return(os_atomic_test_and_set(&mutex->lock_word));
> > #else
> 
> 
> *storage/innobase/include/os0sync.h*
> 
> > #if defined(__powerpc__) || defined(__aarch64__)
> > /*
> >   os_atomic_test_and_set_byte_release() should imply a release barrier
> > before
> >   setting, and a full barrier after. But __sync_lock_test_and_set() is only
> >   documented as an aquire barrier. So on PowerPC we need to add the full
> >   barrier explicitly.  */
> > # define os_atomic_test_and_set_byte_release(ptr, new_val) \
> >         do { __sync_lock_release(ptr); \
> >              __sync_synchronize(); } while (0)
> > #else
> 
> 
> Only  HAVE_IB_GCC_ATOMIC_TEST_AND_SET or IB_STRONG_MEMORY_MODEL will enable
> codes about os_atomic_test_and_set() and os_atomic_clear().
> 
> But on my Power8 environment, HAVE_ATOMIC_BUILTINS is defined,
> HAVE_IB_GCC_ATOMIC_TEST_AND_SET and IB_STRONG_MEMORY_MODEL are not defined.
> 
> So in sync0sync.ic, os_atomic_test_and_set() is used, but in os0sync.h,
> os_atomic_test_and_set() is not defined.
> 
> 
> Does anybody know how to solve this problem?
> I'm not familiar with Power.
> 
> 
> Thanks,
> Lixun
> 
> -- 
> Staff Database Engineer @ Alibaba Cloud Computing
> Oracle ACE for MySQL
> Phone: +86 18658156856 (Hangzhou)
> Blog: http://www.penglixun.com

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