Hi Stephen, On Fri, May 30, 2014 at 11:45 PM, Stephen Munnings <[email protected]> wrote: > > -----Original Message----- > From: Stephen Munnings > Sent: Friday, April 11, 2014 12:14 PM > To: 'Erik Botö' > Cc: '[email protected]' > Subject: RE: [meta-freescale] How do I add the QSQLITE driver to the yocto > build for wandboard > > Hi Erik, > > Thanks. That worked. > My concerns about the driver not being built were unfounded. > > For reference, the missing "link" - which would likely have been obvious if > I were more expert in using yocto - was the use of "PACKAGECONFIG_append = " > sql-sqlite"" in order to enable the feature. > This was never specifically noted (or I missed it) in the reading that I did > about PACKAGECONFIG. > > Other items I had read also seemed to indicate that this package was already > enabled - but not conclusively so. > > Gratefully, > > Stephen Munnings > > -----Original Message----- > From: Stephen Munnings > Sent: Friday, April 11, 2014 10:00 AM > To: 'Erik Botö' > Cc: [email protected] > Subject: RE: [meta-freescale] How do I add the QSQLITE driver to the yocto > build for wandboard > > Hi Erik, > > Thanks for the help. > > I will be trying this out to see what happens. > > I had found the PACKAGECONFIG lines in recipes-qt/qt5/qtbase.inc (and > something in qtbase-native.inc as well) but it was unclear how to "invoke" > those packages (or if they were already being "invoked"). > Your post has shed some light on that. > > It is also unclear whether "invoking" this package is sufficient to get the > plugin driver built. > There were some hints that it only allowed for some library to be built that > was a pre-req for the driver (still unclear on that) > > I will try this all out, and get back with my results - good, bad, or > incomplete. > > Thanks again, > > Stephen > > -----Original Message----- > From: Erik Botö [mailto:[email protected]] > Sent: Friday, April 11, 2014 3:00 AM > To: Stephen Munnings > Cc: [email protected] > Subject: Re: [meta-freescale] How do I add the QSQLITE driver to the yocto > build for wandboard > > Hi Stephen, > > Qt5 can be configured with a number of features disabled or enabled, the > standard way of doing this in Yocto is using the PACKAGECONFIG feature [1]. > In meta-qt5 there's a qtbase.inc which set up a pretty small set of enabled > features as default, so what I would suggest is that you create a > qtbase_%.bbappend where you extend those features. > > If you look at > https://github.com/meta-qt5/meta-qt5/blob/master/recipes-qt/qt5/qtbase.inc > you see that there are a number of different PACKAGECONFIG options relating > to SQL: > > PACKAGECONFIG[sql-ibase] = "-sql-ibase,-no-sql-ibase" > PACKAGECONFIG[sql-mysql] = "-sql-mysql,-no-sql-mysql,mysql" > PACKAGECONFIG[sql-psql] = "-sql-psql,-no-sql-psql,postgresql" > PACKAGECONFIG[sql-odbc] = "-sql-odbc,-no-sql-odbc" > PACKAGECONFIG[sql-oci] = "-sql-oci,-no-sql-oci" > PACKAGECONFIG[sql-tds] = "-sql-tds,-no-sql-tds" > PACKAGECONFIG[sql-db2] = "-sql-db2,-no-sql-db2" > PACKAGECONFIG[sql-sqlite2] = "-sql-sqlite2,-no-sql-sqlite2,sqlite" > PACKAGECONFIG[sql-sqlite] = "-sql-sqlite,-no-sql-sqlite,sqlite3" > > In order to enable one of those you need to make sure that the PACKAGECONFIG > variable contains e.g. "sql-sqlite". This can be done by adding > PACKAGECONFIG_append = " sql-sqlite" to qtbase_%.bbappend. > > [1] - http://www.yoctoproject.org/docs/current/ref-manual/ref-manual.html > , search for PACKAGECONFIG > > Cheers, > Erik > > > On Thu, Apr 10, 2014 at 4:40 PM, Stephen Munnings > <[email protected]> wrote: >> Hi All, >> >> >> >> I am new to this list, so please be gentle in correcting flaws in my >> post (all sorts). >> >> I am trying to get a Qt5 application to run on a Wandboard (remotely >> debugged from a development host). >> >> >> >> I can get the Qt5 application running on the host machine (Ubuntu 13.10 VM). >> >> This application uses sqlite to access a database. >> >> >> >> When I attempt to remotely debug it on the target (wandboard), I get >> the >> messages: >> >> QSqlDatabase: QSQLITE driver not loaded >> >> QSqlDatabase: available drivers: >> >> >> >> (nothing appears in the list). >> >> >> >> As I understand it, this means that I do not have the QSQLITE driver >> (plugin) built and installed on my target system. >> >> (A search shows it to be non-existent on the target system - as >> opposed to simply not found) >> >> >> >> One of my co-workers has been successful in generating this driver >> (and much other important stuff) by doing a "separate install" of >> Qt5.1.1 onto the target machine. >> >> Separate meaning that it was built external to the yocto build >> infrastructure (but using the cross-toolchain generated by yocto). >> >> >> >> We have added Qt5 to the yocto build, using the meta-qt5 layer and >> following the wiki article: >> http://wiki.wandboard.org/index.php/Building_Qt5_using_yocto_on_Wandbo >> ard >> >> >> >> My understanding (which may or may not be correct) is that I should be >> able to get the appropriate libraries (and in this case plugins) >> cross-compiled and built for the target by using appropriate directives in >> the yocto build. >> >> (Either as a new layer, or as modifications to the local.conf and/or >> the >> bblayers.conf) >> >> >> >> However, as I dig down through layers (pun intended) and layers of >> code, control files, documentation, etc., I am becoming horribly >> confused about how best to go about this. >> >> >> >> Could some kind person give me some quick guidance on how to get the >> yocto build to create the QSQLITE driver plugin for the target file >> system (wandboard)? >> >> >> >> Thanks in advance. >> >> >> >> >> -- >> _______________________________________________ >> meta-freescale mailing list >> [email protected] >> https://lists.yoctoproject.org/listinfo/meta-freescale >> > > > > -- > ============================================= > Erik Botö > Senior Software Engineer > Pelagicore AB > Ekelundsgatan 4, 6tr, SE-411 18 Gothenburg, Sweden > Mobile: +46 (0)76 881 72 03 > E-Mail: [email protected] > ============================================= > > Hi Erik, anybody else able to comment, > > I have moved from the wandboard, to our own custom board (based on the > wandboard). > As such, I have added some layers. > One for our "Distro" > One for our BSP (not much different there from wandboard - just some small > changes) > One for the application (Qt-based) that will be running on this board. > > Strangely, the QSSQLITE drivers are not being built, and I cannot figure it > out. > I have created a qtbase_5.1.1.bbappend file with the PACKAGECONFIG_append = " > sql-sqlite" line in it. > (This is part of the layer for the Qt-based application) > I also have a line like that in the local.conf, which is how I got it to work > the first time. > However, with or without that line in local.conf, it no longer seems to work > for the new board. > I have learned a lot about yocto in the last few weeks, but this is still > confusing and stumping me. >
Where have you placed the bbappend file? It must be in a place where bitbake will look, which is specified by your layers layer.conf file. You can check it bitbake has picked it up with: bitbake-layers show-appends | grep qtbase Also, if you try to add it via local.conf you should probably use something like below in order to just add it for qtbase: PACKAGECONFIG_pn-qtbase += "sql-sqlite" Cheers, Erik > We are running the dora branch. > > Any tips on what to check out, and/or what to look for? > > I am able to see other plugins being created in our final image, like > "platforms". > In directory > tmp/work/<arch>/qtbase/5.1.1-r0/sysroot-destdir/usr/lib/qt5/plugins > > -- > Stephen Munnings > Sr. Design Engineer | 519.594.0976 > www.nuvation.com > > -- _______________________________________________ meta-freescale mailing list [email protected] https://lists.yoctoproject.org/listinfo/meta-freescale
