On Mon, Jul 22, 2013 at 9:27 AM, Iyer, Balaji V <balaji.v.i...@intel.com> wrote: > > >> -----Original Message----- >> From: H.J. Lu [mailto:hjl.to...@gmail.com] >> Sent: Friday, July 19, 2013 6:56 PM >> To: Iyer, Balaji V >> Cc: Ian Lance Taylor; gcc@gcc.gnu.org >> Subject: Re: Help with using multilib for Cilk Library >> >> On Fri, Jul 19, 2013 at 3:53 PM, Iyer, Balaji V <balaji.v.i...@intel.com> >> wrote: >> > >> > >> >> -----Original Message----- >> >> From: Ian Lance Taylor [mailto:i...@google.com] >> >> Sent: Friday, July 19, 2013 6:26 PM >> >> To: Iyer, Balaji V >> >> Cc: gcc@gcc.gnu.org >> >> Subject: Re: Help with using multilib for Cilk Library >> >> >> >> On Fri, Jul 19, 2013 at 11:22 AM, Iyer, Balaji V <balaji.v.i...@intel.com> >> wrote: >> >> > Hello Everyone, >> >> > I am trying to use Multilib on Cilk Library. I looked at >> >> > this website >> >> (http://www.airs.com/ian/configure/configure_8.html) and used >> >> libsanitizer and libgo as samples to model after. It is currently >> >> failing with the following error >> >> message: >> >> > >> >> > libtool: link: /export/users/my-files/b-gcc-multilib/./gcc/xg++ - >> >> B/export/users/my-files/b-gcc-multilib/./gcc/ -nostdinc++ -nostdinc++ >> >> - >> >> I/export/users/my-files/b-gcc-multilib/x86_64-unknown-linux-gnu/32/li >> >> bstdc++- v3/include/x86_64-unknown-linux-gnu >> >> -I/export/users/my-files/b-gcc- >> >> multilib/x86_64-unknown-linux-gnu/32/libstdc++-v3/include - >> >> I/export/users/my-files/gcc/libstdc++-v3/libsupc++ >> >> -I/export/users/my- files/gcc/libstdc++-v3/include/backward >> >> -I/export/users/my-files/gcc/libstdc++- >> >> v3/testsuite/util >> >> -L/export/users/my-files/b-gcc-multilib/x86_64-unknown-linux- >> >> gnu/32/libstdc++-v3/src >> >> -L/export/users/my-files/b-gcc-multilib/x86_64- >> >> unknown-linux-gnu/32/libstdc++-v3/src/.libs >> >> -B/export/users/my-files/install- >> >> gcc-multilib/x86_64-unknown-linux-gnu/bin/ >> >> -B/export/users/my-files/install- >> >> gcc-multilib/x86_64-unknown-linux-gnu/lib/ -isystem /export/users/my- >> >> files/install-gcc-multilib/x86_64-unknown-linux-gnu/include -isystem >> >> /export/users/my-files/install-gcc-multilib/x86_64-unknown-linux-gnu/ >> >> sys- include -m32 -shared -nostdlib /usr/lib/../lib/crti.o >> >> /export/users/my-files/b- gcc-multilib/./gcc/32/crtbeginS.o >> >> .libs/bug.o .libs/cilk-abi.o .libs/cilk-abi-cilk- for.o >> >> .libs/cilk-abi-vla.o .libs/cilk-abi-vla-internal.o .libs/cilk_api.o >> >> .libs/cilk_fiber.o .libs/cilk_fiber-unix.o .libs/cilk_malloc.o >> >> .libs/c_reducers.o .libs/except-gcc.o .libs/frame_malloc.o >> >> .libs/full_frame.o .libs/global_state.o .libs/jmpbuf.o >> >> .libs/local_state.o .libs/metacall_impl.o .libs/os_mutex-unix.o >> >> .libs/os-unix.o .libs/pedigrees.o .libs/record-replay.o >> >> .libs/reducer_impl.o >> .libs/scheduler.o .libs/signal_node.o .libs/spin_mutex.o .libs/stats.o >> >> .libs/symbol_test.o .libs/sysdep-unix.o .libs/worker_mutex.o -Wl,-rpath >> >> - >> >> Wl,/export/users/my-files/b-gcc-multilib/x86_64-unknown-linux-gnu/lib >> >> stdc++- v3/src/.libs -Wl,-rpath >> >> -Wl,/export/users/my-files/install-gcc-multilib/lib/../lib64 >> >> -L/export/users/my-files/b-gcc-multilib/x86_64-unknown-linux-gnu/libs >> >> tdc++- v3/src/.libs >> >> -L/export/users/my-files/b-gcc-multilib/x86_64-unknown-linux- >> >> gnu/libstdc++-v3/src -lpthread -ldl -L/export/users/my-files/b-gcc- >> >> multilib/x86_64-unknown-linux-gnu/32/libstdc++-v3/src >> >> -L/export/users/my- >> >> files/b-gcc-multilib/x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.li >> >> bs - >> >> L/export/users/my-files/b-gcc-multilib/./gcc/32 -L/lib/../lib >> >> -L/usr/lib/../lib - L/export/users/my-files/b-gcc-multilib/./gcc >> >> /export/users/my-files/b-gcc- >> >> multilib/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/libstdc++.so -lm >> >> -lc >> - lgcc_s /export/users/my-files/b-gcc-multilib/./gcc/32/crtendS.o >> >> /usr/lib/../lib/crtn.o -m32 -m32 -Wl,-soname -Wl,libcilkrts.so.5 -o >> >> .libs/libcilkrts.so.5.0.3511 >> >> > /export/users/my-files/b-gcc-multilib/x86_64-unknown-linux-gnu/libs >> >> > tdc >> >> > ++-v3/src/.libs/libstdc++.so: could not read symbols: File in wrong >> >> > format >> >> > collect2: error: ld returned 1 exit status >> >> > make[4]: *** [libcilkrts.la] Error 1 >> >> > make[4]: Leaving directory >> >> > `/export/users/my-files/b-gcc-multilib/x86_64- >> >> unknown-linux-gnu/32/libcilkrts' >> >> > make[3]: *** [multi-do] Error 1 >> >> > make[3]: Leaving directory `/export/users/my-files/b-gcc >> >> > >> >> > >> >> > From what it looks like, it is reading the 64 bit library for the >> >> > 32 bit mode (or >> >> vice-versa). How do I fix this? I am also attaching my configure.ac >> >> and Makefile.am. Please note that it is not fully cleaned up (e.g. I >> >> have stuff commented out etc). Can someone please tell me what I am doing >> wrong? >> >> >> >> When building the 32bit libcillkrts you are linking against the >> >> 64-bit >> >> libstdc++. It's right there on your command line: >> >> /export/users/my-files/b-gcc-multilib/x86_64-unknown-linux-gnu/libstd >> >> c++- >> >> v3/src/.libs/libstdc++.so. >> >> If that argument is needed at all, it needs to be >> >> /export/users/my-files/b-gcc- >> >> multilib/x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs/libstdc++ >> >> .so (note added /32 in there). I guess the question is where the >> >> argument is coming from. I must admit that I don't know. Is it in >> >> some environment variable? >> > >> > I am not setting any environment variable that weren't set automatically >> > in my >> SUSE machine. Also, all the other libs are working correctly for 32 and 64 >> bit. >> > >> >> If you can create a git branch, others can take a look to see what is going >> on. >> There isn't sufficient info to tell. > > Hello H. J. and Ian, > I have posted what I have in bviyer/cilkplus-multilib-test. To build > the compiler, I used the following configure command: > > ../cilkplus-multilib-test/configure --prefix=<INSTALL_DIR> > > Any help is greatly appreciated! > > Thanks, > > Balaji V. Iyer.
Here is a patch: 1. Add target dependency on C++ for parallel build. 2. Remove hardcoded -O3 -fpic. libtool takes care of it. 3. Work around MAKEFLAGS for multilib build. -- H.J.
libcilkrts.patch
Description: Binary data
