Sure, I tried to remove -fno-rtti and it failed to build libgbe.so. Just did it again to get the detail log, see below. Linking CXX shared library libgbe.so CMakeFiles/gbe.dir/llvm/llvm_sampler_fix.cpp.o:(.data.rel.ro._ZTIN3gbe10SamplerFixE[_ZTIN3gbe10SamplerFixE]+0x10): undefined reference to `typeinfo for llvm::FunctionPass' CMakeFiles/gbe.dir/llvm/llvm_gen_backend.cpp.o:(.data.rel.ro._ZTIN3gbe9GenWriterE[_ZTIN3gbe9GenWriterE]+0x18): undefined reference to `typeinfo for llvm::FunctionPass' CMakeFiles/gbe.dir/llvm/llvm_passes.cpp.o:(.data.rel.ro._ZTIN3gbe17GenRemoveGEPPasssE[_ZTIN3gbe17GenRemoveGEPPasssE]+0x10): undefined reference to `typeinfo for llvm::BasicBlockPass' CMakeFiles/gbe.dir/llvm/llvm_scalarize.cpp.o:(.data.rel.ro._ZTIN3gbe9ScalarizeE[_ZTIN3gbe9ScalarizeE]+0x10): undefined reference to `typeinfo for llvm::FunctionPass' CMakeFiles/gbe.dir/llvm/llvm_legalize.cpp.o:(.data.rel.ro._ZTIN3gbe8LegalizeE[_ZTIN3gbe8LegalizeE]+0x10): undefined reference to `typeinfo for llvm::FunctionPass' CMakeFiles/gbe.dir/llvm/llvm_intrinsic_lowering.cpp.o:(.data.rel.ro._ZTIN3gbe18InstrinsicLoweringE[_ZTIN3gbe18InstrinsicLoweringE]+0x10): undefined reference to `typeinfo for llvm::BasicBlockPass' CMakeFiles/gbe.dir/llvm/llvm_printf_parser.cpp.o:(.data.rel.ro._ZTIN3gbe12PrintfParserE[_ZTIN3gbe12PrintfParserE]+0x10): undefined reference to `typeinfo for llvm::FunctionPass' CMakeFiles/gbe.dir/llvm/llvm_loadstore_optimization.cpp.o:(.data.rel.ro._ZTIN3gbe24GenLoadStoreOptimizationE[_ZTIN3gbe24GenLoadStoreOptimizationE]+0x10): undefined reference to `typeinfo for llvm::BasicBlockPass' CMakeFiles/gbe.dir/llvm/llvm_unroll.cpp.o:(.data.rel.ro._ZTIN3gbe16CustomLoopUnrollE[_ZTIN3gbe16CustomLoopUnrollE]+0x10): undefined reference to `typeinfo for llvm::LoopPass' CMakeFiles/gbe.dir/llvm/llvm_barrier_nodup.cpp.o:(.data.rel.ro._ZTIN3gbe12BarrierNodupE[_ZTIN3gbe12BarrierNodupE]+0x10): undefined reference to `typeinfo for llvm::ModulePass' collect2: error: ld returned 1 exit status make[2]: *** [backend/src/libgbe.so] Error 1
-----Original Message----- From: Zhigang Gong [mailto:[email protected]] Sent: Wednesday, January 07, 2015 12:13 PM To: Guo, Yejun Cc: [email protected] Subject: Re: [Beignet] [PATCH 3/3] add CMAKE option ENABLE_RTTI for some stl version Can we just remove -fno-rtti? Did you try it? On Wed, Jan 07, 2015 at 04:33:16AM +0000, Guo, Yejun wrote: > I did not find a good way to get the STL version, except checking the file > name of libstdc++.so.version. From another perspective, what we know is that > the default STL version inside CentOS6.5 requires RTTI, we do not know if any > other version requires RTTI, imho, it is better to export this option instead > of checking a specific version number in cmake. Otherwise, users need to > modify CMakeLists to add another version number when he meets the case. > > -----Original Message----- > From: Beignet [mailto:[email protected]] On Behalf > Of Zhigang Gong > Sent: Wednesday, January 07, 2015 10:26 AM > To: Guo, Yejun > Cc: [email protected] > Subject: Re: [Beignet] [PATCH 3/3] add CMAKE option ENABLE_RTTI for > some stl version > > Could you find out the specified STL version? And do some checking at > configuration time and remove or add fno-rtti according to the checking resul? > > Thanks. > > On Wed, Dec 31, 2014 at 03:36:24PM +0800, Guo Yejun wrote: > > for some STL version, unable to build with -fno-rtti, have to enable it. > > > > Signed-off-by: Guo Yejun <[email protected]> > > --- > > CMakeLists.txt | 8 +++++++- > > 1 file changed, 7 insertions(+), 1 deletion(-) > > > > diff --git a/CMakeLists.txt b/CMakeLists.txt index 5cb31c2..9b9c9ea > > 100644 > > --- a/CMakeLists.txt > > +++ b/CMakeLists.txt > > @@ -65,7 +65,13 @@ elseif (COMPILER STREQUAL "CLANG") elseif > > (COMPILER STREQUAL "ICC") > > set (CMAKE_C_CXX_FLAGS "${CMAKE_C_CXX_FLAGS} -wd2928 -Wall -fPIC > > -fstrict-aliasing -fp-model fast -msse4.1 -Wl,-E") endif () -set > > (CMAKE_CXX_FLAGS "${CMAKE_C_CXX_FLAGS} -std=c++0x > > -Wno-invalid-offsetof -fno-rtti") > > + > > +set (CMAKE_CXX_FLAGS "${CMAKE_C_CXX_FLAGS} -std=c++0x > > +-Wno-invalid-offsetof") > > + > > +if (NOT ENABLE_RTTI) > > +set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti") endif () > > + > > set (CMAKE_C_FLAGS "${CMAKE_C_CXX_FLAGS}") > > set (CMAKE_CXX_FLAGS_DEBUG "-O0 -g -DGBE_DEBUG=1") > > set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DGBE_DEBUG=1") > > -- > > 1.9.1 > > > > _______________________________________________ > > Beignet mailing list > > [email protected] > > http://lists.freedesktop.org/mailman/listinfo/beignet > _______________________________________________ > Beignet mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/beignet > _______________________________________________ > Beignet mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/beignet _______________________________________________ Beignet mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/beignet
