[Mesa-dev] libxatracker: automake and spurious symbols

[Emil Velikov]

On 05/04/14 13:27, Kai Wasserbäch wrote:
> Dear Emil,
> Emil Velikov schrieb am 05.04.2014 04:10:
>> On 01/04/14 01:32, Emil Velikov wrote:
[snip]
>>
>> https://github.com/evelikov/Mesa/ branch exported-symbol-cleanup
>>
>> Feel free to checkout and give it a test.
> 
> I'm currently unable to build Mesa, since I'm seeing build failures due to a
> missing symbols:
>> Making all in opencl
>> make[4]: Entering directory `/tmp/buildd/mesa-10.2~20140405.1.git4ccff1499c/build/dri/src/gallium/targets/opencl'
>> /bin/bash ../../../../libtool  --tag=CXX   --mode=link g++  -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wall -Wall -fno-strict-aliasing -fno-builtin-memcmp  -L/usr/lib/llvm-3.5/lib  -no-undefined -version-number 1:0 -Wl,--version-script=../../../../../../src/gallium/targets/opencl/opencl.sym -Wl,--gc-sections -Wl,--no-undefined -Wl,-z,relro -o libMesaOpenCL.la -rpath /usr/lib/x86_64-linux-gnu  ../../../../src/gallium/auxiliary/pipe-loader/libpipe_loader_client.la ../../../../src/gallium/winsys/sw/null/libws_null.la ../../../../src/gallium/state_trackers/clover/libclover.la ../../../../src/gallium/auxiliary/libgallium.la -lxcb-dri2 -lxcb   -ldrm    -ldl -lclangCodeGen -lclangFrontendTool -lclangFrontend -lclangDriver -lclangSerialization -lclangCodeGen -lclangParse -lclangSema -lclangAnalysis -lclangAST -lclangEdit -lclangLex -lclangBasic -lLLVMR600CodeGen -lLLVMR600Desc -lLLVMR600Info -lLLVMR600AsmPrinter -lLLVMOption -lLLVMIRReader -lLLVMAs
m
> Parser -lLLVMInstrumentation -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMMCJIT -lLLVMRuntimeDyld -lLLVMBitWriter -lLLVMX86Disassembler -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMMCParser -lLLVMX86Desc -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT -lLLVMExecutionEngine -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMTarget -lLLVMMC -lLLVMObject -lLLVMBitReader -lLLVMCore -lLLVMSupport -lpthread -lffi -ledit -ltinfo -ldl -lm   ../../../../src/gallium/winsys/sw/dri/libswdri.la ../../../../src/gallium/winsys/sw/xlib/libws_xlib.la -lX11 -lXext -lXfixes -ldrm   
>> libtool: link: g++  -fPIC -DPIC -shared -nostdlib /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.8/crtbeginS.o  -Wl,--whole-archive ../../../../src/gallium/auxiliary/pipe-loader/.libs/libpipe_loader_client.a ../../../../src/gallium/winsys/sw/null/.libs/libws_null.a ../../../../src/gallium/state_trackers/clover/.libs/libclover.a ../../../../src/gallium/auxiliary/.libs/libgallium.a ../../../../src/gallium/winsys/sw/dri/.libs/libswdri.a ../../../../src/gallium/winsys/sw/xlib/.libs/libws_xlib.a -Wl,--no-whole-archive  -L/usr/lib/llvm-3.5/lib -lxcb-dri2 -lxcb -lclangFrontendTool -lclangFrontend -lclangDriver -lclangSerialization -lclangCodeGen -lclangParse -lclangSema -lclangAnalysis -lclangAST -lclangEdit -lclangLex -lclangBasic -lLLVMR600CodeGen -lLLVMR600Desc -lLLVMR600Info -lLLVMR600AsmPrinter -lLLVMOption -lLLVMIRReader -lLLVMAsmParser -lLLVMInstrumentation -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMMCJIT -lLLVMRuntimeDyld -lLLV
M
> BitWriter -lLLVMX86Disassembler -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMMCParser -lLLVMX86Desc -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT -lLLVMExecutionEngine -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMTarget -lLLVMMC -lLLVMObject -lLLVMBitReader -lLLVMCore -lLLVMSupport -lpthread -lffi -ledit -ltinfo -ldl -lX11 -lXext -lXfixes -ldrm -L/usr/lib/gcc/x86_64-linux-gnu/4.8 -L/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu -L/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../lib -L/lib/x86_64-linux-gnu -L/lib/../lib -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.8/../../.. -lstdc++ -lm -lc -lgcc_s /usr/lib/gcc/x86_64-linux-gnu/4.8/crtendS.o /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/crtn.o  -O2 -Wl,--version-script=../../../../../../src/gallium/targets/opencl/opencl.sym -Wl,--gc-sections -Wl,--no-undefined -Wl,-z -Wl,rel
ro
>    -Wl,-soname -Wl,libMesaOpenCL.so.1 -o .libs/libMesaOpenCL.so.1.0.0
>> /usr/lib/llvm-3.5/lib/libclangCodeGen.a(BackendUtil.o): In function `addObjCARCOptPass(llvm::PassManagerBuilder const&, llvm::legacy::PassManagerBase&)':
>> (.text._ZL17addObjCARCOptPassRKN4llvm18PassManagerBuilderERNS_6legacy15PassManagerBaseE+0x21): undefined reference to `llvm::createObjCARCOptPass()'
>> /usr/lib/llvm-3.5/lib/libclangCodeGen.a(BackendUtil.o): In function `addObjCARCAPElimPass(llvm::PassManagerBuilder const&, llvm::legacy::PassManagerBase&)':
>> (.text._ZL20addObjCARCAPElimPassRKN4llvm18PassManagerBuilderERNS_6legacy15PassManagerBaseE+0x21): undefined reference to `llvm::createObjCARCAPElimPass()'
>> /usr/lib/llvm-3.5/lib/libclangCodeGen.a(BackendUtil.o): In function `addObjCARCExpandPass(llvm::PassManagerBuilder const&, llvm::legacy::PassManagerBase&)':
>> (.text._ZL20addObjCARCExpandPassRKN4llvm18PassManagerBuilderERNS_6legacy15PassManagerBaseE+0x21): undefined reference to `llvm::createObjCARCExpandPass()'
>> /usr/lib/llvm-3.5/lib/libclangCodeGen.a(BackendUtil.o): In function `clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_ostream*)':
>> (.text._ZN5clang17EmitBackendOutputERNS_17DiagnosticsEngineERKNS_14CodeGenOptionsERKNS_13TargetOptionsERKNS_11LangOptionsEN4llvm9StringRefEPNSB_6ModuleENS_13BackendActionEPNSB_11raw_ostreamE+0x61b): undefined reference to `llvm::createObjCARCContractPass()'
>> collect2: error: ld returned 1 exit status
> 
> I think the problem is with LLVM/Clang, since adding -lLLVMObjCARCOpts to the
> OpenCL linker flags doesn't seem to help and the error message seems to
> indicate, it's unresolved in libclangCodeGen.
> 
There is a missing a link somewhere although I'm not sure if it's within mesa
or llvm/clang. Can you drop the --enable-opencl and/or try another version of
llvm/clang.  Ideally mesa will need to be updated, although I prefer to stay
away from llvm for the time being.

-Emil

> This was a build of Git 4ccff1499c with your branch applied on top of it.
> 
> Cheers,
> Kai
> 
> 
>