net-vpn/openvpn-2.5.6 fails to emerge with:

make[3]: Entering directory '/var/tmp/portage/net-vpn/openvpn-2.5.6/work/openvpn-2.5.6/doc'
Missing python-docutils - skipping man page generation (openvpn.8)
Missing python-docutils - skipping man page generation (openvpn-examples.5)
make[4]: Entering directory '/var/tmp/portage/net-vpn/openvpn-2.5.6/work/openvpn-2.5.6/doc'
make[4]: Nothing to be done for 'install-exec-am'.
/bin/mkdir -p '/var/tmp/portage/net-vpn/openvpn-2.5.6/image//usr/share/doc/openvpn-2.5.6'
Missing python-docutils - skipping man page generation (openvpn.8)
Missing python-docutils - skipping man page generation (openvpn-examples.5)
/var/tmp/portage/.portage_reinstall.ke157coz/bin/ebuild-helpers/xattr/install -c -m 644 management-notes.txt gui-notes.txt '/var/tmp/portage/net-vpn/openvpn-2.5.6/image//usr/share/doc/openvpn-2.5.6'
/bin/mkdir -p '/var/tmp/portage/net-vpn/openvpn-2.5.6/image//usr/share/man/man5'
/bin/mkdir -p '/var/tmp/portage/net-vpn/openvpn-2.5.6/image//usr/share/man/man8'
/var/tmp/portage/.portage_reinstall.ke157coz/bin/ebuild-helpers/xattr/install -c -m 644 ./openvpn-examples.5 '/var/tmp/portage/net-vpn/openvpn-2.5.6/image//usr/share/man/man5'
/var/tmp/portage/.portage_reinstall.ke157coz/bin/ebuild-helpers/xattr/install -c -m 644 ./openvpn.8 '/var/tmp/portage/net-vpn/openvpn-2.5.6/image//usr/share/man/man8'
/usr/bin/install: cannot stat './openvpn-examples.5': No such file or directory
/usr/bin/install: cannot stat './openvpn.8': No such file or directory
install-xattr: failed to stat ./openvpn-examples.5: No such file or directory
install-xattr: failed to stat ./openvpn.8: No such file or directory
make[4]: *** [Makefile:537: install-man5] Error 1
make[4]: *** Waiting for unfinished jobs....
make[4]: *** [Makefile:580: install-man8] Error 1
make[4]: Leaving directory '/var/tmp/portage/net-vpn/openvpn-2.5.6/work/openvpn-2.5.6/doc'
make[3]: *** [Makefile:838: install-am] Error 2
make[3]: Leaving directory '/var/tmp/portage/net-vpn/openvpn-2.5.6/work/openvpn-2.5.6/doc'
make[2]: *** [Makefile:671: install-recursive] Error 1
make[2]: Leaving directory '/var/tmp/portage/net-vpn/openvpn-2.5.6/work/openvpn-2.5.6/doc'
make[1]: *** [Makefile:609: install-recursive] Error 1
make[1]: Leaving directory '/var/tmp/portage/net-vpn/openvpn-2.5.6/work/openvpn-2.5.6'
make: *** [Makefile:909: install] Error 2

• ERROR: net-vpn/openvpn-2.5.6::net-kit failed (install phase):
• emake failed
• If you need support, post the output of `emerge --info '=net-vpn/openvpn-2.5.6::net-kit'`,
• the complete build log and the output of `emerge -pqv '=net-vpn/openvpn-2.5.6::net-kit'`.
• The complete build log is located at '/var/tmp/portage/net-vpn/openvpn-2.5.6/temp/build.log'.
• The ebuild environment file is located at '/var/tmp/portage/net-vpn/openvpn-2.5.6/temp/environment'.
• Working directory: '/var/tmp/portage/net-vpn/openvpn-2.5.6/work/openvpn-2.5.6'
• S: '/var/tmp/portage/net-vpn/openvpn-2.5.6/work/openvpn-2.5.6'
• QA Notice: Unrecognized configure options:
• --enable-crypto
• --enable-crypto

>>> Failed to emerge net-vpn/openvpn-2.5.6, Log file:

>>> '/var/tmp/portage/net-vpn/openvpn-2.5.6/temp/build.log'

Looks like the problem is: missing some documentation files.