[cfe-dev] Hard to make clang+lldb work on centos7

Eric Fiselier via cfe-dev cfe-dev at lists.llvm.org
Fri Dec 11 12:22:46 PST 2015


That documentation seems quite out of date. There also seems to be a lot of
bad documentation within LLVM itself.

To fix these errors you should build libc++ against libc++abi. This is done
automatically if you checkout libc++ and libc++abi into llvm/projects.

Please check out the new instructions which can be found here:
http://libcxx.llvm.org/docs/BuildingLibcxx.html.
The LLVM documentation might be helpful as well:
http://llvm.org/docs/GettingStarted.html

/Eric





On Wed, Nov 18, 2015 at 2:12 AM, 陶征霖 via cfe-dev <cfe-dev at lists.llvm.org>
wrote:

> Hi,
>
> I yum install clang, llvm-devel and lldb 3.4.2 on centos7. In order to add
> libc++ and libc++abi, I followed the guide in
> http://stackoverflow.com/questions/25840088/how-to-build-libcxx-and-libcxxabi-by-clang-on-centos-7.
> I only build libc++ without libc++abi and build libc++abi with libc++, and
> then workaround by copy /usr/include/c++/4.8.2/cxxabi.h to
> /usr/local/include/, otherwise cxxabi.h not be found.
>
> With all these steps done, I am able to compile like clang++ -std=c++11
> -stdlib=libc++ -lc++abi. OK, I used this to compile my own program, when
> the program runs, I found the following log "*exception_ptr not yet
> implemented*". And I can't find the root cause.
>
> Also lldb doesn't work. I tried to lldb a.out, set breakpoint, and run.
> But not able to reach the breakpoint.
>
> Could you please give me some hints on how to solve this problem?
>
> --
> Zhenglin
>
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> cfe-dev at lists.llvm.org
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>
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