[cfe-dev] How to build clang plugin

[Eli Bendersky via cfe-dev]

On Tue, Feb 9, 2016 at 10:00 PM, Kai Wang via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> Hi all,
>
> I'm a beginner to clang. I want to write clang plugin to do some static
> analysis.
> I did "mkdir llvm-build" and built clang following these steps
> http://clang.llvm.org/get_started.html
>
> As a starting point, I'm trying clang/examples/PrintFunctionNames from
> clang plugins tutorial http://clang.llvm.org/docs/ClangPlugins.html
> I did "cd llvm-build & make PrintFunctionNames ", but it didn't work.
> I also tried "cd llvm-build/tools/clang", and "make BUILD_EXAMPLES=1".
> However, in either case I can not get "PrintFunctionNames.so"
>
> Is there any guidance? Thank you.
>

Hi Kai,

If you want to build a plugin outside the Clang tree, see this sample:
https://github.com/eliben/llvm-clang-samples/blob/master/src_clang/plugin_print_funcnames.cpp
and the Makefile that builds it (in the same repo). It works both with
close-to-trunk Clang and the latest release binaries. The C++ file has a
comment at the top explaining how to run it once built

Eli
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