Something

myaction None
myopts ['--pretend', '--debug']

These are the packages that would be merged, in order:

Calculating dependencies  
Parent:    None
Depstring: media-libs/libwmf
Candidates: ['media-libs/libwmf']
   ebuild: media-libs/libwmf-0.2.8.4

Parent:    ebuild / media-libs/libwmf-0.2.8.4 merge
Depstring: virtual/ghostscript xml? ( !expat? ( dev-libs/libxml2 ) ) expat? ( dev-libs/expat ) gd? ( media-libs/gd ) >=media-libs/freetype-2.0.1 sys-libs/zlib media-libs/libpng jpeg? ( media-libs/jpeg ) X? ( || ( ( x11-libs/libICE x11-libs/libSM x11-libs/libX11 ) virtual/x11 ) ) gtk? ( >=x11-libs/gtk+-2.1.2 ) dev-util/pkgconfig X? ( || ( ( x11-libs/libXt x11-libs/libXpm ) virtual/x11 ) ) sys-devel/automake sys-devel/autoconf sys-devel/libtool virtual/ghostscript xml? ( !expat? ( dev-libs/libxml2 ) ) expat? ( dev-libs/expat ) gd? ( media-libs/gd ) >=media-libs/freetype-2.0.1 sys-libs/zlib media-libs/libpng jpeg? ( media-libs/jpeg ) X? ( || ( ( x11-libs/libICE x11-libs/libSM x11-libs/libX11 ) virtual/x11 ) ) gtk? ( >=x11-libs/gtk+-2.1.2 )
Candidates: ['app-text/ghostscript-gnu']

!!! All ebuilds that could satisfy "app-text/ghostscript-gnu" have been masked.
!!! One of the following masked packages is required to complete your request:
- app-text/ghostscript-gnu-8.16-r1 (masked by: package.mask)
# Stefan Schweizer <genstef@gentoo.org> (19 Aug 2006)
# No new upstream release for a long time, unexplained
# bugs for ex. #131189, #125285, #129321, #131189
# Please use ghostscript-gpl or ghostscript-esp

- app-text/ghostscript-gnu-8.16-r3 (masked by: package.mask)

For more information, see MASKED PACKAGES section in the emerge man page or 
refer to the Gentoo Handbook.
(dependency required by "media-libs/libwmf-0.2.8.4" [ebuild])