[llvm-dev] What's wrong? llvm-cfi-verify: undefined ref to LLVMInitializeMOS6502AsmParser

[Robert Baruch via llvm-dev]

Ah... it seems that I had to blow away my build directory and run cmake all
over again. At some point I must've added a directory that cmake and/or
ninja didn't notice.

On Sun, Jan 13, 2019 at 10:41 AM Robert Baruch <robert.c.baruch at gmail.com>
wrote:

> Hi all,
>
> I'm just working on a backend, trying to follow the excellent presentation
> given by Alex Bradbury here: https://www.youtube.com/watch?v=AFaIP-dF-RA
>
> Basically stubbing out whatever I can. When I compile, I get this problem:
>
> $ cmake -G Ninja -DCMAKE_BUILD_TYPE=Release
> -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="RISCV;MOS6502" <dir to llvm>
>
> $ ninja
>
> ....
>
> [1/1290] Linking CXX executable bin/llvm-cfi-verify
> FAILED: bin/llvm-cfi-verify
> : && /usr/bin/c++  -fPIC -fvisibility-inlines-hidden -Werror=date-time
> -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual
> -Wno-missing-field-initializers -pedantic -Wno-long-long
> -Wimplicit-fallthrough -Wno-maybe-uninitialized -Wno-class-memaccess
> -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment
> -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG
> -Wl,-allow-shlib-undefined
> -Wl,-rpath-link,/home/robertbaruch/llvm6502-build/./lib  -Wl,-O3
> -Wl,--gc-sections
> tools/llvm-cfi-verify/CMakeFiles/llvm-cfi-verify.dir/llvm-cfi-verify.cpp.o
> -o bin/llvm-cfi-verify  -Wl,-rpath,"\$ORIGIN/../lib"
> lib/libLLVMAArch64AsmPrinter.a lib/libLLVMAMDGPUAsmPrinter.a
> lib/libLLVMARMAsmPrinter.a lib/libLLVMBPFAsmPrinter.a
> lib/libLLVMLanaiAsmPrinter.a lib/libLLVMMipsAsmPrinter.a
> lib/libLLVMMSP430AsmPrinter.a lib/libLLVMNVPTXAsmPrinter.a
> lib/libLLVMPowerPCAsmPrinter.a lib/libLLVMSparcAsmPrinter.a
> lib/libLLVMSystemZAsmPrinter.a lib/libLLVMWebAssemblyAsmPrinter.a
> lib/libLLVMX86AsmPrinter.a lib/libLLVMXCoreAsmPrinter.a
> lib/libLLVMRISCVAsmPrinter.a lib/libLLVMAArch64AsmParser.a
> lib/libLLVMAMDGPUAsmParser.a lib/libLLVMARMAsmParser.a
> lib/libLLVMBPFAsmParser.a lib/libLLVMHexagonAsmParser.a
> lib/libLLVMLanaiAsmParser.a lib/libLLVMMipsAsmParser.a
> lib/libLLVMMSP430AsmParser.a lib/libLLVMPowerPCAsmParser.a
> lib/libLLVMSparcAsmParser.a lib/libLLVMSystemZAsmParser.a
> lib/libLLVMWebAssemblyAsmParser.a lib/libLLVMX86AsmParser.a
> lib/libLLVMRISCVAsmParser.a lib/libLLVMAArch64Desc.a
> lib/libLLVMAMDGPUDesc.a lib/libLLVMARMDesc.a lib/libLLVMBPFDesc.a
> lib/libLLVMHexagonDesc.a lib/libLLVMLanaiDesc.a lib/libLLVMMipsDesc.a
> lib/libLLVMMSP430Desc.a lib/libLLVMNVPTXDesc.a lib/libLLVMPowerPCDesc.a
> lib/libLLVMSparcDesc.a lib/libLLVMSystemZDesc.a
> lib/libLLVMWebAssemblyDesc.a lib/libLLVMX86Desc.a lib/libLLVMXCoreDesc.a
> lib/libLLVMRISCVDesc.a lib/libLLVMMOS6502Desc.a
> lib/libLLVMAArch64Disassembler.a lib/libLLVMAMDGPUDisassembler.a
> lib/libLLVMARMDisassembler.a lib/libLLVMBPFDisassembler.a
> lib/libLLVMHexagonDisassembler.a lib/libLLVMLanaiDisassembler.a
> lib/libLLVMMipsDisassembler.a lib/libLLVMMSP430Disassembler.a
> lib/libLLVMPowerPCDisassembler.a lib/libLLVMSparcDisassembler.a
> lib/libLLVMSystemZDisassembler.a lib/libLLVMWebAssemblyDisassembler.a
> lib/libLLVMX86Disassembler.a lib/libLLVMXCoreDisassembler.a
> lib/libLLVMRISCVDisassembler.a lib/libLLVMAArch64Info.a
> lib/libLLVMAMDGPUInfo.a lib/libLLVMARMInfo.a lib/libLLVMBPFInfo.a
> lib/libLLVMHexagonInfo.a lib/libLLVMLanaiInfo.a lib/libLLVMMipsInfo.a
> lib/libLLVMMSP430Info.a lib/libLLVMNVPTXInfo.a lib/libLLVMPowerPCInfo.a
> lib/libLLVMSparcInfo.a lib/libLLVMSystemZInfo.a
> lib/libLLVMWebAssemblyInfo.a lib/libLLVMX86Info.a lib/libLLVMXCoreInfo.a
> lib/libLLVMRISCVInfo.a lib/libLLVMMOS6502Info.a lib/libLLVMMC.a
> lib/libLLVMMCParser.a lib/libLLVMObject.a lib/libLLVMSupport.a
> lib/libLLVMSymbolize.a -lpthread lib/libLLVMCFIVerify.a
> lib/libLLVMBPFAsmPrinter.a lib/libLLVMMipsAsmPrinter.a
> lib/libLLVMMSP430AsmPrinter.a lib/libLLVMPowerPCAsmPrinter.a
> lib/libLLVMSparcAsmPrinter.a lib/libLLVMX86AsmPrinter.a
> lib/libLLVMX86Utils.a lib/libLLVMRISCVAsmPrinter.a lib/libLLVMRISCVUtils.a
> lib/libLLVMNVPTXAsmPrinter.a lib/libLLVMWebAssemblyAsmPrinter.a
> lib/libLLVMXCoreAsmPrinter.a lib/libLLVMAArch64Desc.a
> lib/libLLVMAArch64AsmPrinter.a lib/libLLVMAArch64Info.a
> lib/libLLVMAArch64Utils.a lib/libLLVMAMDGPUDesc.a
> lib/libLLVMAMDGPUAsmPrinter.a lib/libLLVMAMDGPUInfo.a
> lib/libLLVMAMDGPUUtils.a lib/libLLVMARMDesc.a lib/libLLVMARMAsmPrinter.a
> lib/libLLVMARMInfo.a lib/libLLVMARMUtils.a lib/libLLVMHexagonDesc.a
> lib/libLLVMHexagonInfo.a lib/libLLVMLanaiDesc.a
> lib/libLLVMLanaiAsmPrinter.a lib/libLLVMLanaiInfo.a
> lib/libLLVMSystemZDesc.a lib/libLLVMSystemZAsmPrinter.a
> lib/libLLVMSystemZInfo.a lib/libLLVMMCDisassembler.a lib/libLLVMSymbolize.a
> lib/libLLVMDebugInfoPDB.a lib/libLLVMDebugInfoDWARF.a lib/libLLVMObject.a
> lib/libLLVMMCParser.a lib/libLLVMMC.a lib/libLLVMDebugInfoCodeView.a
> lib/libLLVMDebugInfoMSF.a lib/libLLVMBitReader.a lib/libLLVMCore.a
> lib/libLLVMBinaryFormat.a lib/libLLVMSupport.a -lrt -ldl -lpthread -lm
> lib/libLLVMDemangle.a && :
> /usr/bin/ld:
> tools/llvm-cfi-verify/CMakeFiles/llvm-cfi-verify.dir/llvm-cfi-verify.cpp.o:
> in function `main':
> llvm-cfi-verify.cpp:(.text.startup.main+0x12c): undefined reference to
> `LLVMInitializeMOS6502AsmParser'
> collect2: error: ld returned 1 exit status
>
> Now, I'm positive I've defined LLVMInitializeMOS6502AsmParser, it's in
> MOS6502AsmParser.cpp. I must have missed something in an LLVMBuild or
> CMakeFiles file. Here's the patch. Can anyone figure this out?
>
> Thanks!
>
> --Rob
>
>
>
>
>
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