[lldb-dev] LLDBWrapPython.cpp missing message

[Todd Fiala]

Hmm, that file I believe is the wrapper generated by the swig
bindings-generator library.

I don't think that is an issue and is expected (?), although I don't
remember seeing it.  Typically I run with -Wno-dev unless I'm modifying the
cmake files.  This warning may have creeped in more recently, but I don't
think it represents an error.  There may be a way to tell cmake that this
file is generated and won't exist yet.  (That might be the issue - cmake
may not be told that it is generated by the swig binding generator step,
which itself is hidden behind a script invocation I think).  We can
probably clean up that warning with a little work, but for now you can
either ignore it or add the -Wno-dev to block it from sight.

-Todd


On Mon, Jul 21, 2014 at 3:41 AM, Matthew Gardiner <mg11 at csr.com> wrote:

> Hi folks
>
> I've been having trying to get the lldb python tests working. My setup is
> linux Fedora Core 20 64 bit. I tried to follow some of Todd Fiala's
> troubleshooting tips earlier using the autoconf/make route, and I got
> bogged down with some faults (see [lldb-dev] Problems running the lldb
> tests on Fedora Core 20 - 64bit (email originally titled "Add kalimba as a
> platform.").
>
> So I thought I'd try the cmake/ninja route and see if things are
> different. I invoked cmake as follows:
>
> $ cmake ../llvm/ -G Ninja -DLLVM_TARGETS_TO_BUILD="X86"
> -DBUILD_SHARED_LIBS=ON -DLLVM_ENABLE_CXX1Y=ON -DCMAKE_BUILD_TYPE="Debug"
>
>
> However then I see the following diagnostic from cmake:
>
> -- Configuring done
> CMake Warning (dev) at tools/lldb/source/CMakeLists.txt:297
> (add_dependencies):
>   Policy CMP0046 is not set: Error on non-existent dependency in
>   add_dependencies.  Run "cmake --help-policy CMP0046" for policy details.
>   Use the cmake_policy command to set the policy and suppress this warning.
>
>   The dependency target
>   "/home/mg11/src/p4play/build/tools/lldb/scripts/LLDBWrapPython.cpp" of
>   target "liblldb" does not exist.
> This warning is for project developers.  Use -Wno-dev to suppress it.
>
> -- Generating done
> -- Build files have been written to: /home/mg11/src/p4play/build
>
> So should I be alarmed by
>
> "
>   The dependency target
>   "/home/mg11/src/p4play/build/tools/lldb/scripts/LLDBWrapPython.cpp" of
>   target "liblldb" does not exist.
> "
>
> ?
>
> What does this mean?
>
> thanks
> Matt
>
>
>
>
>
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-- 
Todd Fiala | Software Engineer | tfiala at google.com | 650-943-3180
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