[...]

ln -sf jw.1 docbook2dvi.1; \
ln -sf jw.1 docbook2html.1; \
ln -sf jw.1 docbook2man.1; \
ln -sf jw.1 docbook2pdf.1; \
ln -sf jw.1 docbook2ps.1; \
ln -sf jw.1 docbook2rtf.1; \
ln -sf jw.1 docbook2tex.1; \
ln -sf jw.1 docbook2texi.1)
make[3]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/doc'
make[2]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/doc'
make[1]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/doc'
Making install in frontends
make[1]: Entering directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/frontends'
make[2]: Entering directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/frontends'
make[2]: Nothing to be done for `install-exec-am'.
/bin/sh ../mkinstalldirs /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/sgml/docbook/utils-0.6.11/frontends
mkdir -p -- /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/sgml/docbook/utils-0.6.11/frontends
 /bin/install -c -m 644 docbook /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/sgml/docbook/utils-0.6.11/frontends/docbook
make[2]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/frontends'
make[1]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/frontends'
Making install in helpers
make[1]: Entering directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/helpers'
make[2]: Entering directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/helpers'
make[2]: Nothing to be done for `install-exec-am'.
/bin/sh ../mkinstalldirs /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/sgml/docbook/utils-0.6.11/helpers
mkdir -p -- /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/sgml/docbook/utils-0.6.11/helpers
 /bin/install -c -m 644 docbook2man-spec.pl /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/sgml/docbook/utils-0.6.11/helpers/docbook2man-spec.pl
 /bin/install -c -m 644 docbook2texi-spec.pl /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/sgml/docbook/utils-0.6.11/helpers/docbook2texi-spec.pl
make[2]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/helpers'
make[1]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11/helpers'
make[1]: Entering directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11'
make[2]: Entering directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11'
make[2]: Nothing to be done for `install-exec-am'.
/bin/sh ./mkinstalldirs /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/sgml/docbook/utils-0.6.11
 /bin/install -c -m 644 docbook-utils.dsl /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/sgml/docbook/utils-0.6.11/docbook-utils.dsl
make[2]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11'
make[1]: Leaving directory `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/work/docbook-utils-0.6.11'

>>>>>>>>>>>>>>>>>>>>>>>>>>This is the error

mv: cannot move `/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/doc/html/docbook-utils-0.6.11' to
`/var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/doc/docbook-sgml-utils-0.6.11/html': No such file or directory
fixing man page symlink: docbook2dvi.1.gz
removing old symlink: docbook2dvi.1
fixing man page symlink: docbook2html.1.gz
removing old symlink: docbook2html.1
gzipping man page: /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/man/man1/docbook2man-spec.pl.1
fixing man page symlink: docbook2man.1.gz
removing old symlink: docbook2man.1
fixing man page symlink: docbook2pdf.1.gz
removing old symlink: docbook2pdf.1
fixing man page symlink: docbook2ps.1.gz
removing old symlink: docbook2ps.1
fixing man page symlink: docbook2rtf.1.gz
removing old symlink: docbook2rtf.1
fixing man page symlink: docbook2tex.1.gz
removing old symlink: docbook2tex.1
gzipping man page: /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/man/man1/docbook2texi-spec.pl.1
fixing man page symlink: docbook2texi.1.gz
removing old symlink: docbook2texi.1
gzipping man page: /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/man/man1/jw.1
gzipping man page: /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/man/man1/sgmldiff.1
gzipping man page: /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/man/man7/backend-spec.7
gzipping man page: /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image//usr/share/man/man7/frontend-spec.7
strip:
>>> Completed installing into /var/tmp/portage/docbook-sgml-utils-0.6.11-r1/image/

[...]