[cfe-dev] Build Clang on x86_64 (ubuntu) with arm-linux-gnueabihf failed

[Anton Smirnov]

Hello.

Similar question to what i asked few days ago but was not resolved.

I've followed guide (http://llvm.org/docs/HowToCrossCompileLLVM.html)
step-by-step.
The only changes i've done is installed g++ package since i've received "no
g++ found" on clear virtual machine (ubuntu 13.04_64).

First i've compiled for host (to use tblgens), then for ARM.
When cross-compiling for ARM (tried both ninja and autotools) i'm getting
linker error:

Linking CXX executable ../../bin/llvm-tblgen
../../lib/libLLVMSupport.a: could not read symbols: File format not
recognized
clang: error: linker command failed with exit code 1 (use -v to see
invocation)
make[2]: *** [bin/llvm-tblgen] Error 1
make[1]: *** [utils/TableGen/CMakeFiles/llvm-tblgen.dir/all] Error 2

Verbose output (make VERBOSE=1):

cd /home/asmirnov/llvm_arm_cmake_build/utils/TableGen && /usr/bin/cmake -E
cmake_link_script CMakeFiles/llvm-tblgen.dir/link.txt --verbose=1
/usr/local/bin/clang++   -target armv7a-linux-gnueabihf -mcpu=cortex-a9
-I/usr/arm-linux-gnueabihf/include/c++/4.7.3/arm-linux-gnueabihf/
-I/usr/arm-linux-gnueabihf/include/ -mfloat-abi=hard -ccc-gcc-name
arm-linux-gnueabihf-gcc -Wall -W -Wno-unused-parameter -Wwrite-strings
-Wmissing-field-initializers -pedantic -Wno-long-long
-Wcovered-switch-default -Wnon-virtual-dtor -fno-rtti -O3 -DNDEBUG
CMakeFiles/llvm-tblgen.dir/AsmMatcherEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/AsmWriterEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/AsmWriterInst.cpp.o
CMakeFiles/llvm-tblgen.dir/CallingConvEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/CodeEmitterGen.cpp.o
CMakeFiles/llvm-tblgen.dir/CodeGenDAGPatterns.cpp.o
CMakeFiles/llvm-tblgen.dir/CodeGenInstruction.cpp.o
CMakeFiles/llvm-tblgen.dir/CodeGenMapTable.cpp.o
CMakeFiles/llvm-tblgen.dir/CodeGenRegisters.cpp.o
CMakeFiles/llvm-tblgen.dir/CodeGenSchedule.cpp.o
CMakeFiles/llvm-tblgen.dir/CodeGenTarget.cpp.o
CMakeFiles/llvm-tblgen.dir/DAGISelEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/DAGISelMatcherEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/DAGISelMatcherGen.cpp.o
CMakeFiles/llvm-tblgen.dir/DAGISelMatcherOpt.cpp.o
CMakeFiles/llvm-tblgen.dir/DAGISelMatcher.cpp.o
CMakeFiles/llvm-tblgen.dir/DFAPacketizerEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/DisassemblerEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/FastISelEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/FixedLenDecoderEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/InstrInfoEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/IntrinsicEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/OptParserEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/PseudoLoweringEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/RegisterInfoEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/SetTheory.cpp.o
CMakeFiles/llvm-tblgen.dir/SubtargetEmitter.cpp.o
CMakeFiles/llvm-tblgen.dir/TGValueTypes.cpp.o
CMakeFiles/llvm-tblgen.dir/TableGen.cpp.o
CMakeFiles/llvm-tblgen.dir/X86DisassemblerTables.cpp.o
CMakeFiles/llvm-tblgen.dir/X86ModRMFilters.cpp.o
CMakeFiles/llvm-tblgen.dir/X86RecognizableInstr.cpp.o
CMakeFiles/llvm-tblgen.dir/CTagsEmitter.cpp.o  -o ../../bin/llvm-tblgen
-L/usr/lib/gcc/x86_64-linux-gnu/4.7  -L/lib64  ../../lib/libLLVMTableGen.a
../../lib/libLLVMSupport.a -lrt -ldl -lpthread -lpthread
../../lib/libLLVMSupport.a: could not read symbols: File format not
recognized
clang: error: linker command failed with exit code 1 (use -v to see
invocation)
make[2]: *** [bin/llvm-tblgen] Error 1
make[2]: Leaving directory `/home/asmirnov/llvm_arm_cmake_build'
make[1]: *** [utils/TableGen/CMakeFiles/llvm-tblgen.dir/all] Error 2
make[1]: Leaving directory `/home/asmirnov/llvm_arm_cmake_build'
make: *** [all] Error 2

 Can it be walked-around by invocation without -L/lib64 ?

Anton
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