Ozaki Kiichi wrote:
> Hi.
>
> [Issue]
>
> On Ubuntu, vim isn't able to execute both ':py' and ':py3' at one process.
>
> [Cause]
>
> Configuration process fails checking unnecessity of RTLD_GLOBAL for python.
> ('./configure' with '--pythoninterp=dynamic' and '--python3interp=dynamic')
>
> It prepends '-ldl' to LDFLAGS variable, but Ubuntu's ld linker has
> '--as-needed' as default option,
> so eventually libdl isn't linked due to order of given linker options,
> thus fails to resolve dl* symbol (e.g. dlopen).
>
> [Environment]
>
> * Ubuntu
> * Vim with +python/dyn and +python3/dyn
> * Python2/3 with shared libraries (libpython*.so) installed;
> System default python packages are not applicable since their modules are
> not compatible with dynamic loading.
> Need our own-built python.
>
> [Solution]
>
> I propose prepending '-ldl' to LIBS variable.
> It seems appropriate semantically, too.
>
> https://gist.githubusercontent.com/ichizok/b0be31eaf20864326c3b/raw/781ff4b02d661ac4e74e992a07af4a0fdf315a05/configure.in.patch
I tried it but for me it doesn't make any difference. Still can only
use python 2 or python 3, not both.
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