[LLVMdev] buildbot failure

[Evan Cheng]

I'm hitting this. Is there ETA for the fix? 

Evan

On Dec 12, 2011, at 2:58 PM, Daniel Dunbar wrote:

> 
> On Dec 12, 2011, at 2:51 PM, Tony Linthicum wrote:
> 
>> On 12/12/2011 4:49 PM, Eric Christopher wrote:
>>> 
>>> 
>>> On Dec 12, 2011, at 2:41 PM, Eric Christopher wrote:
>>> 
>>>> 
>>>> On Dec 12, 2011, at 2:36 PM, Tony Linthicum wrote:
>>>> 
>>>>> On 12/12/2011 4:28 PM, Jakob Stoklund Olesen wrote:
>>>>>> 
>>>>>> 
>>>>>> On Dec 12, 2011, at 2:12 PM, Tony Linthicum wrote:
>>>>>> 
>>>>>>> Hi folks,
>>>>>>> 
>>>>>>> I just committed a new backend for the Hexagon processor.  After committing, I was able to successfully check out, build and test with the new changes.  The x86_64 build on the buildbot is failing, however.  Here's the build error:
>>>>>>> 
>>>>>>> llvm[2]: Linking Debug+Asserts executable llvm-mc
>>>>>>> /home/baldrick/osuosl/slave/llvm-x86_64/llvm/tools/llvm-mc/Debug+Asserts/llvm-mc.o: In function `llvm::InitializeAllTargetInfos()':
>>>>>>> llvm-mc.cpp:(.text._ZN4llvm24InitializeAllTargetInfosEv[llvm::InitializeAllTargetInfos()]+0x5): undefined reference to `LLVMInitializeHexagonTargetInfo'
>>>>>>> /home/baldrick/osuosl/slave/llvm-x86_64/llvm/tools/llvm-mc/Debug+Asserts/llvm-mc.o: In function `llvm::InitializeAllTargetMCs()':
>>>>>>> llvm-mc.cpp:(.text._ZN4llvm22InitializeAllTargetMCsEv[llvm::InitializeAllTargetMCs()]+0x5): undefined reference to `LLVMInitializeHexagonTargetMC'
>>>>>>> 
>>>>>>> It certainly looks like something wasn't checked in, but I don't find anything and
>>>>>>> my fresh checkout should have failed as well.  Any suggestions as to what I could 
>>>>>>> have done wrong?
>>>>>> FWIW, I am getting the same linker errors on OS X:
>>>>>> 
>>>>>> Undefined symbols for architecture x86_64:
>>>>>>   "_LLVMInitializeHexagonAsmPrinter", referenced from:
>>>>>>       LTOCodeGenerator::LTOCodeGenerator() in LTOCodeGenerator.o
>>>>>>   "_LLVMInitializeHexagonTargetMC", referenced from:
>>>>>>       LTOCodeGenerator::LTOCodeGenerator() in LTOCodeGenerator.o
>>>>>>       LTOModule::makeLTOModule(llvm::MemoryBuffer*, std::string&) in LTOModule.o
>>>>>>   "_LLVMInitializeHexagonTarget", referenced from:
>>>>>>       llvm::InitializeAllTargets() in LTOCodeGenerator.o
>>>>>>   "_LLVMInitializeHexagonTargetInfo", referenced from:
>>>>>>       llvm::InitializeAllTargets() in LTOCodeGenerator.o
>>>>>> ld: symbol(s) not found for architecture x86_64
>>>>>> 
>>>>>> Are you building with CMake or configure?
>>>>>> 
>>>>>> /jakob
>>>>>> 
>>>>> 
>>>>> I should have asked, but is the buildbot using CMake? 
>>>> 
>>>> No, most of us internally can't build it either using autoconf at the moment.
>>>> 
>>>>> Assuming that's the issue, I need to get CMake installed on my build machine to find and fix the problem.  Is there anything I can do in the interim to keep others from being blocked by this?
>>>> 
>>>> Revert unfortunately, but I'm looking at it.
>>> 
>>> Daniel is fixing it :)
>>> 
>>> -eric
>>> 
>> 
>> Excellent!  Daniel, I owe you a beer ... or three. :)
> 
> Well, not really, it was just an llvm-build bug that I was already in the process of fixing. So it was my fault all along -- shame I didn't comment a tad faster and then maybe no one would have known! :)
> 
>  - Daniel
> 
>> 
>> Tony
>> 
> 
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