emerge rekall-2.2.6 log with error

make[3]: Nothing to be done for `install-exec-am'.
/bin/sh ../../admin/mkinstalldirs /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/apps/rekall/wizards/it
mkdir -p -- /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/apps/rekall/wizards/it
/bin/install -c -p -m 644 *.wiz /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/apps/rekall/wizards/it
make[3]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/wizards/it'
make[2]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/wizards/it'
make[2]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/wizards'
make[3]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/wizards'
make[3]: Nothing to be done for `install-exec-am'.
/bin/sh ../admin/mkinstalldirs /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/apps/rekall/wizards
/bin/install -c -p -m 644 *.wiz /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/apps/rekall/wizards
make[3]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/wizards'
make[2]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/wizards'
make[1]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/wizards'
Making install in rekallhelp
make[1]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/rekallhelp'
make[2]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/rekallhelp'
test -z "/usr/bin" || mkdir -p -- . "/var/tmp/portage/dev-db/rekall-2.2.6/image//usr/bin"
make[2]: Nothing to be done for `install-data-am'.
  /bin/sh ../libtool --silent --mode=install /bin/install -c -p  'rekallHelp' '/var/tmp/portage/dev-db/rekall-2.2.6/image//usr/bin/rekallHelp'
make[2]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/rekallhelp'
make[1]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/rekallhelp'
Making install in rekallcon
make[1]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/rekallcon'
make[2]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/rekallcon'
test -z "/usr/bin" || mkdir -p -- . "/var/tmp/portage/dev-db/rekall-2.2.6/image//usr/bin"
make[2]: Nothing to be done for `install-data-am'.
  /bin/sh ../libtool --silent --mode=install /bin/install -c -p  'rekallCon' '/var/tmp/portage/dev-db/rekall-2.2.6/image//usr/bin/rekallCon'
make[2]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/rekallcon'
make[1]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/rekallcon'
Making install in doc
make[1]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/doc'
Making install in .
make[2]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/doc'
make[3]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/doc'
make[3]: Nothing to be done for `install-exec-am'.
make[3]: Nothing to be done for `install-data-am'.
make[3]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/doc'
make[2]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/doc'
Making install in rekall
make[2]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/doc/rekall'
make[3]: Entering directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/doc/rekall'
make[3]: Nothing to be done for `install-exec-am'.
/bin/sh ../../admin/mkinstalldirs /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall
cp -a properties /var/tmp/portage/dev-db/rekall-2.2.6/image///usr/share/doc/HTML/en/rekall
mkdir -p -- /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall
cp: cannot create directory `/var/tmp/portage/dev-db/rekall-2.2.6/image///usr/share/doc/HTML/en/rekall': File exists
make[3]: *** [install-data-local] Error 1
make[3]: *** Waiting for unfinished jobs....
/bin/install -c -p -m 644 mkchm /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/mkchm
/bin/install -c -p -m 644 mkpdf /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/mkpdf
/bin/install -c -p -m 644 app1.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/app1.sgml
/bin/install -c -p -m 644 app2.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/app2.sgml
/bin/install -c -p -m 644 app3.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/app3.sgml
/bin/install -c -p -m 644 chap1.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap1.sgml
/bin/install -c -p -m 644 app4.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/app4.sgml
/bin/install -c -p -m 644 chap2.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap2.sgml
/bin/install -c -p -m 644 app5.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/app5.sgml
/bin/install -c -p -m 644 chap3.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap3.sgml
/bin/install -c -p -m 644 app6.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/app6.sgml
/bin/install -c -p -m 644 chap4.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap4.sgml
/bin/install -c -p -m 644 app7.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/app7.sgml
/bin/install -c -p -m 644 chap5.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap5.sgml
/bin/install -c -p -m 644 app8.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/app8.sgml
/bin/install -c -p -m 644 chap6.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap6.sgml
/bin/install -c -p -m 644 chap7.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap7.sgml
/bin/install -c -p -m 644 chap8.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap8.sgml
/bin/install -c -p -m 644 chap9.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap9.sgml
/bin/install -c -p -m 644 extract.py /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/extract.py
/bin/install -c -p -m 644 mkhtml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/mkhtml
/bin/install -c -p -m 644 chap10.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap10.sgml
/bin/install -c -p -m 644 chap11.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap11.sgml
/bin/install -c -p -m 644 chap12.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap12.sgml
/bin/install -c -p -m 644 chap13.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap13.sgml
/bin/install -c -p -m 644 chap14.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap14.sgml
/bin/install -c -p -m 644 chap15.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap15.sgml
/bin/install -c -p -m 644 chap16.sgml /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/chap16.sgml
/bin/install -c -p -m 644 index.docbook /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/index.docbook
/bin/install -c -p -m 644 help.xsl /var/tmp/portage/dev-db/rekall-2.2.6/image//usr/share/doc/HTML/en/rekall/help.xsl
make[3]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/doc/rekall'
make[2]: *** [install-am] Error 2
make[2]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/doc/rekall'
make[1]: *** [install-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/dev-db/rekall-2.2.6/work/rekall-2.2.6/doc'
make: *** [install-recursive] Error 1

!!! ERROR: dev-db/rekall-2.2.6 failed.
Call stack:
  ebuild.sh, line 1613:   Called dyn_install
  ebuild.sh, line 1059:   Called qa_call 'src_install'
  environment, line 4696:   Called src_install
  rekall-2.2.6.ebuild, line 42:   Called kde_src_install
  kde.eclass, line 352:   Called kde_src_install 'all'
  kde.eclass, line 372:   Called kde_src_install 'make' 'dodoc'
  kde.eclass, line 362:   Called die

!!! died running make install, kde_src_install:make
!!! 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/dev-db/rekall-2.2.6/temp/build.log'.