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

[Zachary Turner]

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
>>>>
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>>>>
>>>
>>>
>>>
>>> --
>>>  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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