If the delta was used to fix a FTBFS yes, it can be dropped. I tested a plain sync build and it succeeeded
sudo dpkg -i libidl0_0.8.14-0.4_amd64.deb libidl-dev_0.8.14-0.4_amd64.deb (Reading database ... 223929 files and directories currently installed.) Preparing to unpack libidl0_0.8.14-0.4_amd64.deb ... Unpacking libidl0:amd64 (0.8.14-0.4) over (0.8.14-0.2ubuntu4) ... Selecting previously unselected package libidl-dev:amd64. Preparing to unpack libidl-dev_0.8.14-0.4_amd64.deb ... Unpacking libidl-dev:amd64 (0.8.14-0.4) ... Setting up libidl0:amd64 (0.8.14-0.4) ... Setting up libidl-dev:amd64 (0.8.14-0.4) ... Processing triggers for man-db (2.6.7.1-1) ... Processing triggers for libc-bin (2.19-0ubuntu6) ... ** Attachment added: "libidl_0.8.14-0.4_amd64.build" https://bugs.launchpad.net/ubuntu/+source/libidl/+bug/1349385/+attachment/4169283/+files/libidl_0.8.14-0.4_amd64.build -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libidl in Ubuntu. https://bugs.launchpad.net/bugs/1349385 Title: please merge libidl from debian Status in “libidl” package in Ubuntu: New Bug description: Attached the debdiff To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libidl/+bug/1349385/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp