[Guy Harris <guy@xxxxxxxxxxxx>]

On Jun 25, 2017, at 5:29 PM, Alan Partis <alpartis@xxxxxxxxxxxxxx> wrote:

> $ dnf list zlib*
> Last metadata expiration check: 10:52:36 ago on Sat Jun 24 22:28:29 2017.
> Installed Packages
> zlib.i686                    1.2.8-10.fc24                @fedora
> zlib.x86_64                  1.2.8-10.fc24                @koji-override-0
> zlib-devel.i686              1.2.8-10.fc24                @fedora

So you have both 32-bit and 64-bit versions of the shared library installed, but only a *32-bit* version of the development package?

That could probably confuse a configure script; it should fail in some clearer fashion if you have that configuration and are configuring to build a 64-bit version.