[RFC PATCH] Remove --enable-obsolete-rpc flag

[Florian Weimer]

* Petr Vorel:

> this is a naive approach to stop providing the Sun RPC headers and
> related tools. It'd be great to move on and encourage using libtirpc and
> rpcsvc-proto for the rest of the users which are still using glibc
> implementation on never distros. Is it too early for it? If not,
> dropping --enable-obsolete-nsl could also be considered.

I'm surprised that --enable-obsolete-nsl is not broken by this.  I would
have expected that we would have to move that one first.  Don't the
installed headers for libnsl use rpc headers?

>From a Fedora (and downstream) perspective, we can certainly turn
everything into compat symbols.  (Further changes are required to avoid
building the compatibility symbols for new ports.)

> make check failed on elf/tst-ldconfig-ld_so_conf-update and I was not
> able to figure out what broke it:
> FAIL: elf/tst-ldconfig-ld_so_conf-update
> Any hint what's wrong?

Is there anything in the Makefile log or the .out file?  I agree that
this change should not break this test.

Thanks,
Florian