[cfe-dev] libclang shared library that exports all symbols
Pirama Arumuga Nainar via cfe-dev
cfe-dev at lists.llvm.org
Thu Aug 2 14:48:16 PDT 2018
Ping for any thoughts on this proposal...
On Thu, Jul 26, 2018 at 3:59 PM Pirama Arumuga Nainar <pirama at google.com>
> libclang.so exports only the symbols needed by the C API. This is in
> contrast to libLLVM.so that exports all symbols from the LLVM static
> libraries. Would it be useful to provide a libclang shared library that
> exports all symbols for use by tools that use Clang's (admittedly
> non-backwards-compatible) C++ API?
> We can either:
> 1. Add a new shared library (libclang_full.so?) that is built based on a
> CMake option.
> 2. Export all symbols from the current libclang.so. We'd have to also
> include a few additional libraries such as libClangAnalysis. Tools using
> the C API are still restricted to the stable interface if they use the
> clang-c headers.
> There are a few Clang-based tools used by Android's build system (1, 2)
> that use the C++ API. They are built using Android build rules but need to
> link against Android's Clang toolchain that's built with CMake. We don't
> want to include the libclang static libraries with the toolchain for space
> considerations, and also to avoid exposing Clang's build internals
> (internal library dependences and changes to them) to downstream tools.
> Do other Clang/LLVM toolchain maintainers face similar issues and have
> solutions that are applicable here?
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