The current c++ build forces static libraries, based on my previous painful experience with shared libraries on distributed systems. That said, going forward the automated configuration tools are much better. I'd we want to enable shared libraries, we can do that.
.. Owen > On Jan 15, 2019, at 10:10, Korry Douglas <[email protected]> wrote: > > Thanks for the quick reply, Zhiyuan. > > I’ve tried your suggestion (that was how I expected the process to work), but > I get an error when I do that: > > /usr/local/lib/libprotobuf.a(arena.cc.o): relocation R_X86_64_TPOFF32 > against symbol `_ZN6google8protobuf8internal9ArenaImpl13thread_cache_E' can > not be used when making a shared object; recompile with -fPIC > > So the link fails. (I *do* compile my .cc files with -fPIC.) > > > — Korry > >> On Jan 15, 2019, at 10:02 AM, Zhiyuan Dong <[email protected]> wrote: >> >> This my personal $0.02. >> >> I have been able to use the default settings there building various >> supporting *.a files in linux Ubuntu and CentOS. Then I build C++ functions >> into my own written *.so file which is then linked to various *.a files... >> And the *.so that calls the orc functionalities in C++ works fine. >> >> Hope this helps a little bit. >> >> Zhiyuan >> >>> On Tue, Jan 15, 2019 at 8:40 AM Korry Douglas <[email protected]> wrote: >>> As an alternative - is there somewhere I can find binary packages for >>> liborc (RPMs) ? >>> >>> — Korry >>> >>> > On Jan 14, 2019, at 7:17 PM, Korry Douglas <[email protected]> wrote: >>> > >>> > Hi all, I am trying to build a shared library that links to liborc (the >>> > C++ API). However, the Makefiles are all set up to build .a files >>> > instead of .so files. >>> > >>> > I’ve figured out how to modify the CMakeLists.txt file to add the -fPIC >>> > CFLAG (although I don’t really like editing that file by hand). However, >>> > there are many related libraries that seem to be downloaded from various >>> > URL’s and those libraries are not compiled with -fPIC. >>> > >>> > Any suggestions? Thanks in advance. >>> > >>> > — Korry >>> >> >> >> -- >> Zhiyuan Dong, Ph.D. >
