bug#47249: 27.0.50; configure uses nextstep despite being told to use lucid

[Stefan Kangas]

Markus Triska <triska@metalevel.at> writes:

> When configuring Emacs-27.2 RC1 with:
>
>     $ ./configure --with-x-toolkit=lucid CFLAGS=-I/opt/local/include/ 
> LDFLAGS=-L/opt/local/lib
>
> The configure output ends with:
>
>  Where should the build process find the source code?    .
>   What compiler should emacs be built with?               gcc 
> -I/opt/local/include/
>   Should Emacs use the GNU version of malloc?             no
>     (The GNU allocators don't work with this system configuration.)
>   Should Emacs use a relocating allocator for buffers?    no
>   Should Emacs use mmap(2) for buffer allocation?         no
>   What window system should Emacs use?                    nextstep
>   ...
>
> I.e., it uses nextstep despite being told to use lucid.
>
> I see the same issue with Emacs 27.1, but not with the Emacs development
> version that I use to report this issue.
>
> configure.ac mentions the switch --without-ns, but is this actually 
> implemented?
>
>     Either fix this, or re-configure with the option '--without-ns'.])])
>
> --without-ns is not mentioned in the output of ./configure --help.

Is this still an issue on current master?