The Wine package is compiled against the latest available Slackware
Stable version. Some of the suggested requirements are not
part of the Stable branch and as such are not included.
Following is a list of packages needed to build Wine for
Slackware Stable:
alsa-lib
compositeproto
cups
cyrus-sasl
dbus
e2fsprogs
fontconfig
freetype
libungif
hal
lcms
libdrm
libexif
libgphoto2
libICE
libjpeg
libpng
libSM
libtool
libusb
libX11
libXau
libxcb
libXcomposite
libXcursor
libXdamage
libXdmcp
libXext
libXfixes
libXi
libXinerama
libxml2
libXrandr
libXrender
libxslt
libXt
libXv
libXxf86vm
mesa
mpg123
ncurses
openldap-client
openssl
perl
pkg-config
sane
xcmsdb
xproto
zlib

In addition to the previous list, fontforge is included to increase
font quality.

Some more software can be installed to compile Wine. Following is a
list of such packages and their location / suggested build procedure:

Slackbuild scripts for fontforge, libgsm and openAL can be downloaded
from http://slackbuilds.org while binary packages for many Slackware
versions can be found in the http://www.slacky.eu repositories.

A slackbuild script for lib4vl can be downloaded from
http://slackbuilds.org.

libcapi20 (isdn4k-utils) can be downloaded from
http://www.isdn4linux.de/

A slackbuild script for nvidia-driver (which should include openCL)
can be downloaded from http://slackbuilds.org.

An old version of prelink can be downloaded from 
http://slackware.sukkology.net/packages/prelink/ a slackbuild for the
package can be downloaded from the same source.