[cfe-dev] Building LLVM and Clang with EKOPath 4

[David Blaikie]

On Wed, May 30, 2012 at 11:20 AM, Matthieu Monrocq <
matthieu.monrocq at gmail.com> wrote:

>
>
> On Wed, May 30, 2012 at 9:56 AM, Konstantin Tokarev <annulen at yandex.ru>wrote:
>
>> Hi all,
>>
>> I've managed to build LLVM and Clang with EKOPath 4.0.12.1 compiler. Here
>> are patches I had to introcduce
>> to make it compiling.
>>
>> Patch for clang moves some classes from anonymous namespaces which
>> otherwise caused linker
>> errors. Probably it's a bug in compiler producing symbols with incorrect
>> visibility.
>>
>> --
>> Regards,
>> Konstantin
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>>
>>
> I must admit it seems weird to be tweaking the code just to get it to
> compile with an exotic compiler.
>
> Adding includes occurs regularly because the standard does not define
> which standard includes include which others, so you often miss one or two.
>
> On the other hand, it seems strange that you had to add the "std::"
> qualifiers,


This one's not actually that surprising - if a std::vector's iterators are
implemented as raw pointers, rather than as a type in the std namespace,
then unqualified find(vec.begin(), vec.end(), ...) won't compile, since
'find' won't be found via ADL.


> remove the anonymous namespace in some places (all ?)


This I can't explain - what errors are given that motivate this change?


> and change *--S.end() into S[S.size()-1].
>

Again, if the iterators are truly raw pointers, -- doesn't work on them,
only on user defined types with an op-- overload. The simpler form is
"S.back()".

- David
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