Followup-For: Bug #892710 Control: found -1 4.1.1-2 Control: found -1 4.1.0-2
Hi, unfortunately i{tcl,tk}3-dev in stretch did not provide a virtual package, so you'll need Breaks+Replaces or Conflicts against the real packages. (Sorry, didn't check the -dev packages in detail, just assumed they worked similarily to the -doc packages.) Selecting previously unselected package tcl-itcl4-dev:amd64. Preparing to unpack .../tcl-itcl4-dev_4.1.1-2_amd64.deb ... Unpacking tcl-itcl4-dev:amd64 (4.1.1-2) ... dpkg: error processing archive /var/cache/apt/archives/tcl-itcl4-dev_4.1.1-2_amd64.deb (--unpack): trying to overwrite '/usr/lib/x86_64-linux-gnu/itclConfig.sh', which is also in package itcl3-dev:amd64 3.4.3-1 Selecting previously unselected package tk-itk4:amd64. Preparing to unpack .../tk-itk4_4.1.0-2_amd64.deb ... Unpacking tk-itk4:amd64 (4.1.0-2) ... Selecting previously unselected package tk-itk4-dev:amd64. Preparing to unpack .../tk-itk4-dev_4.1.0-2_amd64.deb ... Unpacking tk-itk4-dev:amd64 (4.1.0-2) ... dpkg: error processing archive /var/cache/apt/archives/tk-itk4-dev_4.1.0-2_amd64.deb (--unpack): trying to overwrite '/usr/lib/x86_64-linux-gnu/itkConfig.sh', which is also in package itk3-dev:amd64 3.4.2-1 Errors were encountered while processing: /var/cache/apt/archives/tcl-itcl4-dev_4.1.1-2_amd64.deb /var/cache/apt/archives/tk-itk4-dev_4.1.0-2_amd64.deb Andreas