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

[Todd Fiala]

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
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