Just to collect information in this bug, the fPIC requirement and fPIE banning in Qt now is because of this: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65886
This bug originally however is about a problem that shows up when that related Bsymbolic option is enabled on armhf too. This needed forcing but we forced it at one point since it was believed the toolchain bug was fixed. However, for now it remains disabled on non-x86 (the default of Qt upstream) because of the persisting bug, but it may be re-enabled later if the bug is resolved. The toolchain bug (fPIC + Bsymbolic misbehaving on arm) is last described at https://bugreports.qt.io/browse/QTBUG-47350 ** Bug watch added: GCC Bugzilla #65886 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65886 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtbase-opensource-src in Ubuntu. https://bugs.launchpad.net/bugs/1403758 Title: Unity8 shows black screen with Qt 5.4.0 Status in binutils: Unknown Status in binutils package in Ubuntu: Incomplete Status in gcc-defaults package in Ubuntu: Incomplete Status in qtbase-opensource-src package in Ubuntu: Fix Released Status in ubuntu-ui-toolkit package in Ubuntu: Invalid Status in unity8 package in Ubuntu: Fix Released Bug description: With bug #1403511 taken care of in Qt, apps do not anymore crash with Qt 5.4 and device does not anymore go into reboot loop. However, nothing is visible on the screen. It seems unity8, unity8-dash etc are all running. unity8.log attached Relevant upstream links referring GCC5 as the reason to require -fPIC: http://code.qt.io/cgit/qt/qtbase.git/commit/?id=36d6eb721e7d5997ade75e289d4088dc48678d0d http://code.qt.io/cgit/qt/qtbase.git/commit/?id=3eca75de67b3fd2c890715b30c7899cebc096fe9 To manage notifications about this bug go to: https://bugs.launchpad.net/binutils/+bug/1403758/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
