[cfe-dev] err:ISO C++ forbids declaration of 'PointerUnion4' with no type

[Craig Mortensen]

> Are you trying to compile Clang against an older version of LLVM?  
> PointerUnion4 should be defined in llvm/ADT/PointerUnion.h.
Yes, that was my problem!  I didn't copy over the proper headers to / 
usr/local/include (and save-off the shipping ones)

Thanks,
Craig

On Sep 14, 2009, at 3:32 PM, Douglas Gregor wrote:

>
> On Sep 14, 2009, at 3:03 PM, Craig Mortensen wrote:
>
>> Hello,
>>
>> I'm running into a compile errors for PointerUnion4 in TemplateName.h
>>
>>
>> /usr/local/include/clang/AST/TemplateName.h:63:0 ISO C++ forbids  
>> declaration of 'PointerUnion4' with no type in /usr/local/include/ 
>> clang/AST/TemplateName.h
>>
>> class TemplateName {
>>   typedef llvm::PointerUnion4<TemplateDecl *,  
>> OverloadedFunctionDecl *,
>>                               QualifiedTemplateName *,
>>                               DependentTemplateName *> StorageType;
>
> Are you trying to compile Clang against an older version of LLVM?  
> PointerUnion4 should be defined in llvm/ADT/PointerUnion.h.
>
> 	- Doug

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