[OE-core] [PATCH 2/3] boost: Fix link problems with caffe and Movidius SDK

[Burton, Ross]

I thought that boost_python was the py2 binary, and boost_python3 was the
py3 one?  Is this not a bug in caffe?

On 13 March 2018 at 03:08, Jason Wessel <jason.wessel at windriver.com> wrote:

> When using an image built with the Yocto Project which has a compiler
> and all the required libraries, projects such as caffe for the
> Movidius SDK which use python3 and boost fail to build because they
> look for libboost_python.so.  The error that cmake returns doesn't
> even point to the fact that this is why the configuration fails.
>
> Example showing the problem with the missing symlink:
> ================
>   git clone https://github.com/weiliu89/caffe.git
>   cd caffe
>   mkdir build
>   cd build
>   cmake -DBLAS=Open ..
>
> -- Configuring done
> CMake Error at CMakeLists.txt:85 (add_dependencies):
>   The dependency target "pycaffe" of target "pytest" does not exist.
> ================
>
> Conditionally creating the link when building python3 support into
> boost is all that is needed.
>
> Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
> ---
>  meta/recipes-support/boost/boost.inc | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/meta/recipes-support/boost/boost.inc
> b/meta/recipes-support/boost/boost.inc
> index 0461ec6..c53edf7 100644
> --- a/meta/recipes-support/boost/boost.inc
> +++ b/meta/recipes-support/boost/boost.inc
> @@ -195,6 +195,9 @@ do_install() {
>                 fi
>         done
>
> +       if [ -e ${D}${libdir}/libboost_python3.so ]; then
> +               ln -s libboost_python3.so ${D}${libdir}/libboost_python.so
> +       fi
>  }
>
>  BBCLASSEXTEND = "native nativesdk"
> --
> 2.7.4
>
> --
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