xsltproc -o boot-admin-C.omf --stringparam db2omf.basename boot-admin --stringparam db2omf.format 'docbook' --stringparam db2omf.dtd "-//OASIS//DTD DocBook XML V4.1.2//EN" --stringparam db2omf.lang C --stringparam db2omf.omf_dir "/usr/share/omf" --stringparam db2omf.help_dir "/usr/share/gnome/help" --stringparam db2omf.omf_in "`pwd`/./boot-admin.omf.in" `/usr/bin/pkg-config --variable db2omf gnome-doc-utils` C/boot-admin.xml
db2omf: Could not construct the OMF maintainer element.
  Add an author, corpauthor, editor, othercredit, or publisher
  element with the role attribute set to "maintainer" to boot-admin.xml.
make[3]: *** [boot-admin-C.omf] Error 10
make[3]: Leaving directory `/var/tmp/portage/app-admin/gnome-system-tools-2.14.0/work/gnome-system-tools-2.14.0/doc/boot'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/var/tmp/portage/app-admin/gnome-system-tools-2.14.0/work/gnome-system-tools-2.14.0/doc'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/app-admin/gnome-system-tools-2.14.0/work/gnome-system-tools-2.14.0'
make: *** [all] Error 2

!!! ERROR: app-admin/gnome-system-tools-2.14.0 failed.
Call stack:
  ebuild.sh, line 1614:   Called dyn_compile
  ebuild.sh, line 971:   Called qa_call 'src_compile'
  environment, line 3738:   Called src_compile
  ebuild.sh, line 1304:   Called gnome2_src_compile
  gnome2.eclass, line 71:   Called die

!!! compile failure
!!! If you need support, post the topmost build error, and the call stack if relevant.
!!! A complete build log is located at '/var/tmp/portage/app-admin/gnome-system-tools-2.14.0/temp/build.log'.