On 3/21/19 6:08 PM, Stefan Monnier wrote:
> Hmm... would there be a way to make it so configure accepts options like
>
>     ./configure ... --with-xpm=ifavailable  --with-jpeg=ifavailable ...
>
> so you can use a single script on all systems and it will use xpm
> where available?

That's simple, and it sounds like it would make Nelson's job easier. My
job too, as I occasionally build on multiple Solaris systems, which
often lack some of these libraries.

I installed the attached patch on master; it won't be in the Emacs 26.2
release but I hope it survives into Emacs 27.