gaia ~ # emerge --update --newuse --deep --with-bdeps=y --ask --tree --quiet  @world
[nomerge      ] sys-apps/flatpak-1.10.6  
[nomerge      ]  kde-plasma/xdg-desktop-portal-kde-5.22.5  
[nomerge      ]   kde-frameworks/plasma-5.85.0  
[nomerge      ]    kde-frameworks/kiconthemes-5.85.0  
[nomerge      ]     kde-frameworks/kconfigwidgets-5.85.0  
[nomerge      ]      kde-frameworks/kauth-5.85.0  
[nomerge      ]       kde-plasma/polkit-kde-agent-5.22.5  
[nomerge      ]        sys-auth/polkit-qt-0.113.0  
[nomerge      ]         sys-auth/polkit-0.119-r2  
[nomerge      ]          dev-libs/glib-2.70.0-r1  
[nomerge      ]           dev-util/meson-0.59.1  
[nomerge      ]            dev-python/setuptools-59.7.0  
[nomerge      ]             dev-python/setuptools-compat-44.1.1  
[nomerge      ]              dev-python/packaging-21.3  
[nomerge      ]               dev-python/pyparsing-2.4.7  
[nomerge      ]                dev-lang/python-2.7.18  
[nomerge      ]                 net-wireless/bluez-5.54  
[nomerge      ]                  net-print/cups-2.2.11-r1  
[ebuild     U ]                   net-print/cups-filters-1.28.11 [1.28.10-r1]
[nomerge      ] games-util/lutris-0.5.2.1  
[nomerge      ]  net-libs/webkit-gtk-2.34.1  
[nomerge      ]   dev-lang/ruby-2.7.2  
[nomerge      ]    dev-ruby/rdoc-6.2.0  
[nomerge      ]     dev-ruby/racc-1.5.2  
[nomerge      ]      dev-lang/ruby-2.6.6-r3  
[ebuild  N    ]       dev-ruby/bundler-2.2.0  
[ebuild  N    ]        dev-ruby/rdoc-6.2.0  
[ebuild  N    ]         dev-ruby/racc-1.5.2  
[ebuild  N    ]         dev-ruby/kpeg-1.1.0-r1  
[ebuild  N    ]       dev-ruby/net-telnet-0.2.0  
[ebuild  N    ]       dev-ruby/xmlrpc-0.3.1  
[ebuild  N    ]       dev-ruby/test-unit-3.3.7  
[ebuild  N    ]        dev-ruby/power_assert-1.2.0  
[ebuild  N    ]       dev-ruby/did_you_mean-1.5.0  
[ebuild  N    ]       dev-ruby/json-2.3.1  
[ebuild  N    ]        dev-ruby/rake-13.0.1  
[ebuild  N    ]       dev-ruby/minitest-5.14.2  

Would you like to merge these packages? [Yes/No] Y
>>> Verifying ebuild manifests
>>> Emerging (1 of 13) dev-ruby/minitest-5.14.2::ruby-kit
>>> Emerging (2 of 13) net-print/cups-filters-1.28.11::desktop-kit
>>> Failed to emerge net-print/cups-filters-1.28.11, Log file:
>>>  '/var/tmp/portage/net-print/cups-filters-1.28.11/temp/build.log'
>>> Installing (1 of 13) dev-ruby/minitest-5.14.2::ruby-kit

• Package:    net-print/cups-filters-1.28.11
• Repository: desktop-kit
• USE:        amd64 dbus elibc_glibc foomatic jpeg kernel_linux png postscript tiff userland_GNU zeroconf
• FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
• Applying cups-filters-1.28.2-make-missing-testfont-non-fatal.patch ...
  patching file configure.ac
  Hunk #1 FAILED at 790.
  1 out of 1 hunk FAILED – saving rejects to file configure.ac.rej
  [ !! ]
• ERROR: net-print/cups-filters-1.28.11::desktop-kit failed (prepare phase):
•   patch -p1  failed with /var/tmp/portage/net-print/cups-filters-1.28.11/files/cups-filters-1.28.2-make-missing-testfont-non-fatal.patch
•  
• Call stack:
•               ebuild.sh, line   93:  Called src_prepare
•             environment, line 2515:  Called eapply '/var/tmp/portage/net-print/cups-filters-1.28.11/files/cups-filters-1.28.2-make-missing-testfont-non-fatal.patch'
•             environment, line  904:  Called _eapply_patch '/var/tmp/portage/net-print/cups-filters-1.28.11/files/cups-filters-1.28.2-make-missing-testfont-non-fatal.patch'
•             environment, line  842:  Called __helpers_die 'patch -p1  failed with /var/tmp/portage/net-print/cups-filters-1.28.11/files/cups-filters-1.28.2-make-missing-testfont-non-fatal.patch'
•   isolated-functions.sh, line  112:  Called die
• The specific snippet of code:
•              die "$@"
•  
• If you need support, post the output of `emerge --info '=net-print/cups-filters-1.28.11::desktop-kit'`,
• the complete build log and the output of `emerge -pqv '=net-print/cups-filters-1.28.11::desktop-kit'`.
• The complete build log is located at '/var/tmp/portage/net-print/cups-filters-1.28.11/temp/build.log'.
• The ebuild environment file is located at '/var/tmp/portage/net-print/cups-filters-1.28.11/temp/environment'.
• Working directory: '/var/tmp/portage/net-print/cups-filters-1.28.11/work/cups-filters-1.28.11'
• S: '/var/tmp/portage/net-print/cups-filters-1.28.11/work/cups-filters-1.28.11'

• Messages for package net-print/cups-filters-1.28.11:

• ERROR: net-print/cups-filters-1.28.11::desktop-kit failed (prepare phase):
•   patch -p1  failed with /var/tmp/portage/net-print/cups-filters-1.28.11/files/cups-filters-1.28.2-make-missing-testfont-non-fatal.patch
•  
• Call stack:
•               ebuild.sh, line   93:  Called src_prepare
•             environment, line 2515:  Called eapply '/var/tmp/portage/net-print/cups-filters-1.28.11/files/cups-filters-1.28.2-make-missing-testfont-non-fatal.patch'
•             environment, line  904:  Called _eapply_patch '/var/tmp/portage/net-print/cups-filters-1.28.11/files/cups-filters-1.28.2-make-missing-testfont-non-fatal.patch'
•             environment, line  842:  Called __helpers_die 'patch -p1  failed with /var/tmp/portage/net-print/cups-filters-1.28.11/files/cups-filters-1.28.2-make-missing-testfont-non-fatal.patch'
•   isolated-functions.sh, line  112:  Called die
• The specific snippet of code:
•              die "$@"
•  
• If you need support, post the output of `emerge --info '=net-print/cups-filters-1.28.11::desktop-kit'`,
• the complete build log and the output of `emerge -pqv '=net-print/cups-filters-1.28.11::desktop-kit'`.
• The complete build log is located at '/var/tmp/portage/net-print/cups-filters-1.28.11/temp/build.log'.
• The ebuild environment file is located at '/var/tmp/portage/net-print/cups-filters-1.28.11/temp/environment'.
• Working directory: '/var/tmp/portage/net-print/cups-filters-1.28.11/work/cups-filters-1.28.11'
• S: '/var/tmp/portage/net-print/cups-filters-1.28.11/work/cups-filters-1.28.11'
  gaia ~ #