[lldb-dev] Linker errors on MacOSX this morning?

[Todd Fiala]

(above my pay grade... I defer...)


On Fri, Aug 22, 2014 at 11:11 AM, Zachary Turner <zturner at google.com> wrote:

> I will try that.  One thing I did yesterday was try to make a change to
> llvm.  To do this I went into my lldb/llvm directory, created a build
> directory, and from inside there generated an Xcode project for just the
> llvm / clang stuff, and built llvm using this.  Is it possible that it
> installed itself somewhere in a way that conflicts what what I'm trying to
> do using the LLDB xcode build?
>
>
> On Fri, Aug 22, 2014 at 11:10 AM, Todd Fiala <tfiala at google.com> wrote:
>
>> Did you also do a Build|Clean?
>>
>> So full steps:
>> (command line)
>> cd lldb
>> rm -rf llvm-build
>>
>> (back in Xcode)
>> Product|Clean
>>  Cmd-B
>>
>> ?
>>
>>
>> On Fri, Aug 22, 2014 at 11:09 AM, Zachary Turner <zturner at google.com>
>> wrote:
>>
>>> Didn't seem to fix it.  Still getting the same errors.
>>>
>>>
>>> On Fri, Aug 22, 2014 at 11:01 AM, Todd Fiala <tfiala at google.com> wrote:
>>>
>>>> I think Jason also mentioned in another thread that this was necessary
>>>> and don't waste time tracking it down.
>>>>
>>>>
>>>> On Fri, Aug 22, 2014 at 10:41 AM, Greg Clayton <gclayton at apple.com>
>>>> wrote:
>>>>
>>>>> You might want to nuke your lldb/llvm-build folder and try again.
>>>>> Sometimes when updating the dependencies aren't tracked 100% and can result
>>>>> in bad .a files from the llvm build.
>>>>>
>>>>> > On Aug 22, 2014, at 10:32 AM, Zachary Turner <zturner at google.com>
>>>>> wrote:
>>>>> >
>>>>> > I just updated all my repos and I'm seeing this when I build
>>>>> lldb-tool using the Xcode solution:
>>>>> >
>>>>> > Undefined symbols for architecture x86_64:
>>>>> >
>>>>> >   "llvm::ConstantExpr::getGetElementPtr(llvm::Constant*,
>>>>> llvm::ArrayRef<llvm::Value*>, bool)", referenced from:
>>>>> >
>>>>> >       llvm::ConstantExpr::getGetElementPtr(llvm::Constant*,
>>>>> llvm::ArrayRef<llvm::Constant*>, bool) in liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >      (maybe you meant:
>>>>> __ZN4llvm12ConstantExpr16getGetElementPtrEPNS_8ConstantENS_8ArrayRefIPNS_5ValueEEEbPNS_4TypeE)
>>>>> >
>>>>> >   "llvm::ConstantExpr::getBitCast(llvm::Constant*, llvm::Type*)",
>>>>> referenced from:
>>>>> >
>>>>> >       IRForTarget::RewriteObjCConstString(llvm::GlobalVariable*,
>>>>> llvm::GlobalVariable*) in liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >       IRForTarget::RewriteObjCSelector(llvm::Instruction*) in
>>>>> liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >       IRForTarget::BuildRelocation(llvm::Type*, unsigned long long)
>>>>> in liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >       IRForTarget::ReplaceStrings() in liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >      (maybe you meant:
>>>>> __ZN4llvm12ConstantExpr10getBitCastEPNS_8ConstantEPNS_4TypeEb)
>>>>> >
>>>>> >   "llvm::ConstantExpr::getIntToPtr(llvm::Constant*, llvm::Type*)",
>>>>> referenced from:
>>>>> >
>>>>> >       IRForTarget::BuildFunctionPointer(llvm::Type*, unsigned long
>>>>> long) in liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >       IRForTarget::RewriteObjCConstString(llvm::GlobalVariable*,
>>>>> llvm::GlobalVariable*) in liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >       IRForTarget::RewriteObjCSelector(llvm::Instruction*) in
>>>>> liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >       IRForTarget::HandleSymbol(llvm::Value*) in
>>>>> liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >       IRForTarget::HandleObjCClass(llvm::Value*) in
>>>>> liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >       IRForTarget::CompleteDataAllocation() in
>>>>> liblldb-core.a(IRForTarget.o)
>>>>> >
>>>>> >      (maybe you meant:
>>>>> __ZN4llvm12ConstantExpr11getIntToPtrEPNS_8ConstantEPNS_4TypeEb)
>>>>> >
>>>>> > ld: symbol(s) not found for architecture x86_64
>>>>> >
>>>>> > clang: error: linker command failed with exit code 1 (use -v to see
>>>>> invocation)
>>>>> >
>>>>> >
>>>>> >
>>>>> > Is anyone else seeing this?
>>>>> >
>>>>> > _______________________________________________
>>>>> > lldb-dev mailing list
>>>>> > lldb-dev at cs.uiuc.edu
>>>>> > http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
>>>>>
>>>>> _______________________________________________
>>>>> lldb-dev mailing list
>>>>> lldb-dev at cs.uiuc.edu
>>>>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>>  Todd Fiala | Software Engineer |  tfiala at google.com |  650-943-3180
>>>>
>>>
>>>
>>
>>
>> --
>> Todd Fiala | Software Engineer |  tfiala at google.com |  650-943-3180
>>
>
>


-- 
Todd Fiala | Software Engineer | tfiala at google.com | 650-943-3180
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