On Wednesday, 20 March 2019 13:01:18 CET Sérgio Martins via Interest wrote: > On 2019-03-20 11:24, Calogero Mauceri wrote: > > On Tue, Mar 19, 2019 at 7:54 PM Thiago Macieira > > <thiago.macie...@intel.com> > > > > wrote: > >> On Tuesday, 19 March 2019 09:40:42 PDT Calogero Mauceri wrote: > >> > Hi all, > >> > > >> > I'm trying to build Qt 5.12.2 on Ubuntu 14.04. > >> > I get the following error just after I launch the configure > >> > > >> > ERROR: Feature 'xcb' was enabled, but the pre-condition > >> > 'features.thread > >> > >> && > >> > >> > features.xkbcommon && libs.xcb' failed. > >> > > >> > here is the configure line I'm using > >> > > >> > ./configure -qt-zlib -fontconfig -qt-xcb > >> > > >> > I have libxcb1 and libxcb1-dev 1.10-2ubuntu1 installed on the system. > >> > I am building on a 32 bit system, but I get the same error on a 64 bit > >> > machine. > >> > Am I missing some other dependencies? Do you know how to check? > >> > >> Yes, the error message told you which one: "features.xkbcommon && > >> libs.xcb". > >> Since you have installed the XCB libraries, you should check for > >> xkbcommon > >> ones. > >> > >> If you have libxcb1-dev installed, why are you passing -qt-xcb? And, > >> for > >> that > >> matter, why -qt-zlib? Just use your distro's packages for those. > > > > Thanks Thiago for your reply, > > > > xkbcommon is installed on the machine, version 0.4.1, but we still get > > that > > issue. > > We are building qt with the -qt-xcb option to limit the number of > > system > > dependencies for our application. > > You need version 0.5.0 at least. > > From the ChangeLog [1]: > " > [QTBUG-65503] Removed xkbcommon from bundled sources. This library is > present on all supported platforms. The minimal required version now > is > 0.5.0. > "
Heya, Also, another hint for you and the other person(s) trying to build recent Qt on an old Ubuntu LTS: Note that Ubuntu 14.04 is reaching end-of-life in one month(!), and only the ESM version contains further security fixes. See: https://blog.ubuntu.com/2019/02/05/ubuntu-14-04-trusty-tahr Time to upgrade I think. You're two LTS versions behind. Regards, Kevin > [1] - > https://code.qt.io/cgit/qt/qtbase.git/tree/dist/changes-5.12.1/?h=v5.12.1 -- Kevin Funk | kf...@kde.org | http://kfunk.org
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