This lists most if not all the required deps for Wine staging. In the future, this will list all 
optional deps and the Slackbuild will have more build options.

Key:

 x = optional
 + = required
 ? = information

List:

 |----- x alsa-lib
 |----- x cairo-compat32 
 |	|------ + glib2-compat32 
 |	|	|------ + libffi-compat32 
 |	|------ + pixman-compat32 
 |	|------ + gtk+3-compat32  (Self conversion)
 |	|	|------ + atk-compat32 
 |	|	|------ + at-spi2-atk (current only)
 |	|	|------ + gdk-pixbuf2-compat32 
 |	|	|------ + libepoxy-compat32  (current only)
 |	|	|------ + libICE-compat32 
 |	|	|------ + libSM-compat32 
 |	|	|	|------ + at-spi2-atk-compat32
 |	|	|	|	|------ + at-spi2-core-compat32
 |	|	|	|------ + util-linux-compat32 
 |	|	|------ + libxshmfence-compat32 
 |	|	|------ + pango-compat32 
 |	|	|	|------ + harfbuzz-compat32 
 |	|	|	|------ + libXft-compat32 
 |	|	|------ + udev-compat32 
 |	|------ ? This is only needed if you care about GTK3 theme support.
 |----- x dbus-compat32 
 |----- + fontconfig-compat32 
 |	|------ + expat-compat32 
 |----- + freetype-compat32 
 |----- + gamin-compat32 
 |	|------ + I'm not sure if this is exactly needed, but Wine use to spit out error messages of it missing.
 |----- + gnutls-compat32 
 |	|------ + gmp-compat32 
 |	|------ + libidn-compat32  (current only)
 |	|------ + nettle-compat32 
 |	|------ + p11-kit-compat32 
 |	|------ + zlib-compat32 
 |	|------ ? Technically you can compile without this, but heavily recommended this.
 |----- + glew-compat32 
 |----- x glu-compat32 
 |	|------ + libXdamage-compat32 
 |	|------ + libdrm-compat32 
 |	|------ ? Needed by some programs but compiles without it.
 |----- + libjpeg-turbo-compat32 
 |----- + libpng-compat32 
 |----- + libXcomposite-compat32 
 |----- + libXcursor-compat32 
 |	|------ + libXfixes-compat32 
 |----- + libXext-compat32 
 |----- + libX11-compat32 
 |----- + libXau-compat32 
 |----- + libxcb-compat32 
 |----- + libXdmcp-compat32 
 |----- + libXinerama-compat32 
 |----- + libXi-compat32 
 |----- + libXrandr-compat32 
 |----- + libXrender-compat32 
 |----- + libXxf86dga-compat32 
 |----- + libXxf86vm-compat32  
 |----- x libxml2-compat32 
 |	|------ + aaa_elflibs-compat32 
 |	|------ ? This is needed for .NET to work correctly.
 |----- x libva-compat32 
 |	|------ ? VAAPI backend for DXVA2 GPU decoding.
 |----- + mesa-compat32 
 |----- + mpg123-compat32 
 |	|------ + libtool-compat32 
 |----- + OpenAL-compat32 
 |----- x oss
 |----- + openjpeg-compat32
 |----- x PulseAudio