Thanks Brad, I run nm on those .so file, it prints 'no symbol' Then with ldd librados.so, I don't see the libceph-common.so, instead:
> jialin@cori12: ldd librados.so > linux-vdso.so.1 (0x00002aaaaaacf000) > libboost_thread-mt.so.1.53.0 > =>/rados_install/lib/libboost_thread-mt.so.1.53.0 (0x00002aaaad24d000) > libboost_system-mt.so.1.53.0 => > /rados_install/lib/libboost_system-mt.so.1.53.0 (0x00002aaaad464000) > libssl3.so => /usr/lib64/libssl3.so (0x00002aaaad668000) > libsmime3.so => /usr/lib64/libsmime3.so (0x00002aaaad8b4000) > libnss3.so => /usr/lib64/libnss3.so (0x00002aaaadadb000) > libnssutil3.so => /usr/lib64/libnssutil3.so (0x00002aaaaddfe000) > libplds4.so => /usr/lib64/libplds4.so (0x00002aaaae02c000) > libplc4.so => /usr/lib64/libplc4.so (0x00002aaaae230000) > libnspr4.so => /usr/lib64/libnspr4.so (0x00002aaaae435000) > libpthread.so.0 => /lib64/libpthread.so.0 (0x00002aaaae673000) > libdl.so.2 => /lib64/libdl.so.2 (0x00002aaaae890000) > libuuid.so.1 => /usr/lib64/libuuid.so.1 (0x00002aaaaea94000) > librt.so.1 => /lib64/librt.so.1 (0x00002aaaaec99000) > libstdc++.so.6 => /usr/lib64/libstdc++.so.6 (0x00002aaaaeea1000) > libm.so.6 => /lib64/libm.so.6 (0x00002aaaaf22a000) > libc.so.6 => /lib64/libc.so.6 (0x00002aaaaf527000) > libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00002aaaaf8c8000) > libz.so.1 => /lib64/libz.so.1 (0x00002aaaafadf000) > /lib64/ld-linux-x86-64.so.2 (0x00002aaaaaaab000) I also found this thread: http://tracker.ceph.com/issues/14788 which looks similar to the error I run into, and that thread mentioned the version between the headers file and the .so file, I think in my case both of them are v10.2.10, which should ok. Best, Jialin, On Tue, May 29, 2018 at 6:17 PM, Brad Hubbard <bhubb...@redhat.com> wrote: > On Wed, May 30, 2018 at 10:42 AM, Jialin Liu <jaln...@lbl.gov> wrote: > > Hi, > > I'm trying to use the libradosstriper api, but having some trouble in > > linking to lradosstriper. I copied only the `required' libraries from an > > pre-installed ceph (10.2.10), and put them under my local directory > > /rados_install/lib and rados_install/include, on a linux machine. > > > > /rados_install/lib: > >> > >> libboost_date_time.so.1.53.0 libboost_system.so.1.53.0 > >> libboost_filesystem-mt.so.1.53.0 libboost_thread-mt.so.1.53.0 > >> libboost_filesystem.so.1.53.0 libcephfs.so.1.0.0 > >> libboost_iostreams-mt.so.1.53.0 > >> libboost_iostreams.so.1.53.0 > >> libboost_random-mt.so.1.53.0 librados.so.2.0.0 > >> libboost_regex.so.1.53.0 librados_tp.so.2.0.0 > >> libboost_system-mt.so.1.53.0 libradosstriper.so.1.0.0 > >> libcephfs.so librados.so libradosstriper.so > > > > > > /rados_install/include: > >> > >> |-- rados > >> | |-- buffer.h -> ../buffer.h > >> | |-- buffer_fwd.h -> ../buffer_fwd.h > >> | |-- crc32c.h -> ../crc32c.h > >> | |-- inline_memory.h -> ../inline_memory.h > >> | |-- librados.h > >> | |-- librados.hpp > >> | |-- librgw.h > >> | |-- memory.h -> ../memory.h > >> | |-- objclass.h > >> | |-- page.h -> ../page.h > >> | |-- rados_types.h > >> | |-- rados_types.hpp > >> | `-- rgw_file.h > >> `-- radosstriper > >> |-- libradosstriper.h > >> `-- libradosstriper.hpp > > > > > > The test code is simple, as attached, and I compiled it with dynamic > > linking: > >> > >> cc -L/rados_install/lib -I/rados_install/include -o librados_test > >> librados_test.c -lrados -lradosstriper > > > > > > But got the following message, can anyone plz advise? > > > >> > >> /rados_install/lib/libradosstriper.so: undefined reference to > >> `ceph::buffer::ptr::ptr(ceph::buffer::ptr&&)' > >> /rados_install/lib/libradosstriper.so: undefined reference to > >> `ceph::buffer::ptr::operator=(ceph::buffer::ptr&&)' > >> /rados_install/lib/libradosstriper.so: undefined reference to > >> `librados::IoCtx::remove(std::string const&, int)' > >> /rados_install/lib/libradosstriper.so: undefined reference to > >> `ceph::buffer::list::iterator::iterator(ceph::buffer::list*, unsigned > int)' > >> /rados_install/lib/libradosstriper.so: undefined reference to > >> `ceph::buffer::list::is_provided_buffer(char const*) const' > >> /rados_install/lib/libradosstriper.so: undefined reference to > >> `ceph::buffer::list::append(ceph::buffer::ptr&&)' > >> /rados_install/lib/libradosstriper.so: undefined reference to > >> `ceph::buffer::list::iterator::iterator(ceph::buffer::list*, unsigned > int, > >> std::_List_iterator<ceph::buffer::ptr>, unsigned int)' > >> /rados_install/lib/libradosstriper.so: undefined reference to > >> `ceph::buffer::list::list(ceph::buffer::list&&)' > > Try doing the following in your lib directory. > > $ nm -A -C *.so|grep is_provided_buffer > libceph-common.so:0000000000223df0 T > ceph::buffer::list::is_provided_buffer(char const*) const > librados.so:00000000000bfef0 T > ceph::buffer::list::is_provided_buffer(char const*) const > libradosstriper.so: U > ceph::buffer::list::is_provided_buffer(char const*) const > > 'ldd librados.so' shows it links to libceph-common.so so I suspect you > may need that library. > > Don't forget that you need to tell the linker where to find these > libraries at runtime so you will need to pass something like > '-Wl,-rpath=/rados_install/lib' to the compiler so it finds the > correct versions of the libraries (you can check which ones it will > find with 'ldd librados_test'. > > HTH > > > > > > > Best, > > Jialin > > NERSC > > > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > > > -- > Cheers, > Brad >
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