You can either: - Set the environment variable CXXFLAGS
or - Pass CMAKE_CXX_FLAGS to the cmake command: cmake -DCMAKE_CXX_FLAGS=" ... " Setting CMAKE_CXX_FLAGS as an environment variable does not do anything AFAIK (double check the actual command lines with `make VERBOSE=1`) On Mon, Aug 1, 2016 at 1:24 PM, Sanjay Rao <getsanjay...@live.com> wrote: > Didn't help much, I actually rebuilt whole arrow cpp with export > CMAKE_CXX_FLAGS="-DFLATBUFFERS_LITTLEENDIAN=0" and then tried to build simple > debug, still it's failing in same step. > Thanks,Sanjay > >> From: wesmck...@gmail.com >> Date: Mon, 1 Aug 2016 13:07:11 -0700 >> Subject: Re: Core dump while building with CPP >> To: dev@arrow.apache.org >> >> See from flatbuffers.h >> >> // The wire format uses a little endian encoding (since that's efficient for >> // the common platforms). >> #if !defined(FLATBUFFERS_LITTLEENDIAN) >> #if defined(__GNUC__) || defined(__clang__) >> #ifdef __BIG_ENDIAN__ >> #define FLATBUFFERS_LITTLEENDIAN 0 >> #else >> #define FLATBUFFERS_LITTLEENDIAN 1 >> #endif // __BIG_ENDIAN__ >> #elif defined(_MSC_VER) >> #if defined(_M_PPC) >> #define FLATBUFFERS_LITTLEENDIAN 0 >> #else >> #define FLATBUFFERS_LITTLEENDIAN 1 >> #endif >> #else >> #error Unable to determine endianness, define FLATBUFFERS_LITTLEENDIAN. >> #endif >> #endif // !defined(FLATBUFFERS_LITTLEENDIAN) >> >> I believe you may want to add -DFLATBUFFERS_LITTLEENDIAN=0 to >> CMAKE_CXX_FLAGS (you can do this on the command line). >> >> Since not many of us have access to big endian hardware, it would be >> helpful of you could submit a patch indicating what you had to do to >> get things working on your platform. >> >> Thanks >> >> On Mon, Aug 1, 2016 at 12:57 PM, Sanjay Rao <getsanjay...@live.com> wrote: >> > >> > cmake -DARROW_BUILD_BENCHMARKS=ON .....make[ 0%] Running flatc compiler >> > on /u01/hadoop/src/arrow/arrow/cpp/../format/Message.fbsAssertion failed: >> > *reinterpret_cast<char *>(&endiantest) == FLATBUFFERS_LITTLEENDIAN, file >> > /u01/hadoop/src/arrow/arrow/cpp/thirdparty/flatbuffers-1.3.0/include/flatbuffers/flatbuffers.h, >> > line 128, function EndianCheck*** Signal 6 - core dumped >> > Does it mean I cannot run it on BIG ENDIAN system ? or can I comment this >> > line and proceed building it ? >> > Thanks,Sanjay >
