[cfe-dev] Build error for Release+Asserts with a clean repo from clang

Manuel Klimek klimek at google.com
Mon Jul 30 05:45:26 PDT 2012


On Mon, Jul 30, 2012 at 2:27 PM, Alexander Kornienko <alexfh at google.com> wrote:
>
>
> On Mon, Jul 30, 2012 at 12:43 PM, Alexander Kornienko <alexfh at google.com>
> wrote:
>>
>> On Mon, Jul 30, 2012 at 8:17 AM, Manuel Klimek <klimek at google.com> wrote:
>>>
>>> +alexfh
>>>
>>> On Sun, Jul 29, 2012 at 7:46 PM, Manman Ren <mren at apple.com> wrote:
>>> >
>>> > I started seeing this a few days back, it is probably related to my
>>> > setup.
>>> >
>>> > Debug+Asserts builds fine.
>>> > But for Release+Asserts, I got:
>>> > Undefined symbols for architecture x86_64:
>>> >   "clang::Decl::dump() const", referenced from:
>>> >       clang::ASTContext::DumpRecordLayout(clang::RecordDecl const*,
>>> > llvm::raw_ostream&, bool) const in libclangAST.a(RecordLayoutBuilder.o)
>>> >       clang::arcmt::trans::MigrationContext::dumpGCAttrs() in
>>> > libclangARCMigrate.a(TransGCAttrs.o)
>>> >
>>> > clang::CodeGen::CodeGenTypes::ComputeRecordLayout(clang::RecordDecl const*,
>>> > llvm::StructType*) in libclangCodeGen.a(CGRecordLayoutBuilder.o)
>>> > ld: symbol(s) not found for architecture x86_64
>>> > clang: error: linker command failed with exit code 1 (use -v to see
>>> > invocation)
>>>
>>> Alex, this might be related to your change? It looks like
>>> http://llvm-reviews.chandlerc.com/rL160788  was intended to fix this?
>>
>> This commit was intended to fix debug-time issue and shouldn't affect
>> builds.
>>
>> But it may be a problem with stale .o files. Manman, did you try to run
>> make clean before building?
>
> Err, didn't notice the "with a clean repo" part in the message title. But
> still I can't see how my change can affect builds.

Just tested it on linux, and it works for me (all I passed to
configure was --enable-optimized.

Cheers,
/Manuel

>
>>>
>>> Cheers,
>>> /Manuel
>>>
>>> >
>>> > Any idea how to fix this?
>>> >
>>> > Thanks,
>>> > Manman
>>
>>
>> --
>> Best regards,
>> Alexander Kornienko
>>
>
>
>
> --
> Alexander Kornienko | Software Engineer | alexfh at google.com | +49 151 221 77
> 957
> Google Germany GmbH | Dienerstr. 12 | 80331 M√ľnchen
>




More information about the cfe-dev mailing list