[LLVMdev] Using clang+llvm from Xcode 3 project yields 1.5k linkage warnings

[Félix Cloutier]

Yes, that was it. Thank you very much.

Le 2011-03-01 à 01:51:29, Chris Lattner a écrit :

> 
> On Feb 28, 2011, at 8:07 PM, Félix Cloutier wrote:
> 
>> I'm using Xcode 3 to program with LLVM and Clang (both about yesterday's latest revisions), and when I compile, I get 1501 link-time warnings. All those I read were about symbol visibility. Here's an example:
>> 
>> ld: warning: namespace::class::method() has different visibility (default) in /usr/local/lib/libclangCodeGen.a(CodeGenAction.o) and (hidden) in /Users/myself/Projets/path/build/project.build/Debug/project.build/Objects-normal/x86_64/object.o
>> 
>> 1501 seems large enough that it could simply be all symbols referenced from the static libraries. It works anyways though.
>> What am I doing wrong? As usual with stuff causing spectacular diagnostics, I must be missing something fairly elementary.
> 
> Hi Félix,
> 
> The most likely cause of this is that you're building some llvm code with -fvisibility-inlines-hidden.  Xcode likes to add this flag by default, you can change it in the target build options.
> 
> -Chris
> 

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