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Subject: Re: [boost] Adding libc++ support to boost.
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2011-02-10 16:10:24


On 2/10/2011 12:27 PM, Christopher Jefferson wrote:
> I want to add support for libc++, the c++ standard library attached to clang, to boost. Fixes required should not be attached to clang, as clang can use various standard libraries. Is there a standard way I should add the library, or just add the macro where needed.

You should add a header in boost/config/stdlib/
for libc++ and update boost/config/select_stdlib_config.hpp.
Other than that, patches should be applied as needed.

> The best macro to use for detecting libc++ is _LIBCPP_VERSION. Hopefully the changes required will be minimal.
> One place where libc++ needs to be mentioned in is detail/container_fwd.hpp, as forward declarations simply don't work. Can I just attach _LIBCPP_VERSION to:
> || ((defined(__GLIBCPP__) || defined(__GLIBCXX__)) \
> && (defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PARALLEL))) \
> || (defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION))
> Or is there a better / more offical way libc++ should be worked in?

In Christ,
Steven Watanabe

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