[QtonPi] Fwd: Beginner's problem compiling Qt5

Wed Aug 22 22:03:24 CEST 2012

Hello Martin,

On Wed, Aug 22, 2012 at 4:38 PM, Martin Björkström <
martin.bjorkstrom at gmail.com> wrote:

> Hi Paulo,
>
> It seems that the '-no-pch' flag was already added to "Troubleshooting"
> section by someone else. Regarding the '-nomake', it took me a little more
> than an hour to compile QtBase using only two cores (make -j 2) and it
> seems that both 'examples' and 'tests' directories have been left untouched.
>
Good to know.

>
>
However, a howto on "resetting and cleaning the git repo" would be helpful
> in the "Troubleshooting" section. Should be done every time if 'configure'
> or 'make' fails.
> ~/opt/qt5/qtbase$ git reset --hard
> ~/opt/qt5/qtbase$ git clean  -dxf
>
I'll add that when i get home. Also add a step to ensure that the branch of
all repos are in "master" and updated. Is the documentation ready to be put
in the main page of the wiki(http://qt-project.org/wiki/Qt_5_on_Raspberry_Pi
) ?

>
> br,
> Martin Björkström
>
> 2012/8/22 paulovictor.pinheiro at gmail.com <paulovictor.pinheiro at gmail.com>
>
> Hi Martin,
>>
>> I did not bump into this problem, but it would be nice to have it written
>> down on the "Troubleshooting" , would you mind add your knowledge in this
>> section? I read somewhere that "-nomake" was being ignored for now in Qt5,
>> but if it is on, it should decrease the compiling time greatly.
>>
>> Att,
>> Paulo Pinheiro
>> On Tue, Aug 21, 2012 at 5:16 PM, Martin Björkström <
>> martin.bjorkstrom at gmail.com> wrote:
>>
>>> Hi,
>>>
>>> Thanks Paulo for the excellent guides!
>>>
>>> I had problems compiling Qt5, seemed that some pre-compiled headers was
>>> not found. The problem appeared when compiling 'pixman-arm-neon-asm.o'
>>> becouse it could not find '.pch/release-shared/QtGui'. However, I was able
>>> to fix this by configuring Qt using the -no-pch flag.
>>>
>>> Other flags that I added was also: -nomake tests, -nomake examples and
>>> -no-gtkstyle. (see: http://qt-project.org/wiki/Building_Qt_5_from_Git)
>>>
>>> br,
>>> Martin
>>>
>>>
>>> 2012/8/21 Daniel Bittencourt <danielcbit at gmail.com>
>>>
>>>> Hi Paulo.
>>>>
>>>> The file you asked is not even created.
>>>>
>>>> I'm attaching the log I get when running with -v.
>>>>
>>>> Thanks!
>>>>
>>>> On Tue, Aug 21, 2012 at 11:15 AM, paulovictor.pinheiro at gmail.com <
>>>> paulovictor.pinheiro at gmail.com> wrote:
>>>>
>>>>>
>>>>>
>>>>> ---------- Forwarded message ----------
>>>>> From: paulovictor.pinheiro at gmail.com <paulovictor.pinheiro at gmail.com>
>>>>> Date: Tue, Aug 21, 2012 at 12:11 PM
>>>>> Subject: Re: [QtonPi] Beginner's problem compiling Qt5
>>>>> To: Daniel Bittencourt <danielcbit at gmail.com>
>>>>>
>>>>>
>>>>> Hi Daniel,
>>>>>
>>>>> Could you show your qtbase/mkspecs/qconfig.pri(after trying to
>>>>> ./configure)? I cannot answer why this is happening, maybe i missed
>>>>> something. When i get home i will check all the steps again e see if
>>>>> something is missing, but that happened to me too..Anyone have any clues?
>>>>>
>>>>>
>>>>> On Tue, Aug 21, 2012 at 12:04 PM, Daniel Bittencourt <
>>>>> danielcbit at gmail.com> wrote:
>>>>>
>>>>>> Hi Paulo. Thanks for the great work! But i have to say I'm having
>>>>>> some problems too.
>>>>>>
>>>>>> I'm stuck on the “Could not determine the target architecture!” and “Could
>>>>>> not determine the host architecture!” messagens too. I already made
>>>>>> a git clean but nothing changed.
>>>>>>
>>>>>> Also, is there any package you had to install to get Qt5 to build?
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>>>
>>>>>> On Tue, Aug 21, 2012 at 7:40 AM, paulovictor.pinheiro at gmail.com <
>>>>>> paulovictor.pinheiro at gmail.com> wrote:
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Aug 21, 2012 at 6:55 AM, SCHMOLTZI Dirk (ISL-OTB) <
>>>>>>> Dirk.SCHMOLTZI at isl.eu> wrote:
>>>>>>>
>>>>>>>>  Hello,****
>>>>>>>>
>>>>>>>> First let me thank you for the nice beginners guide. Here are my
>>>>>>>> experiences with it:****
>>>>>>>>
>>>>>>>> When initialising the qt5 repository I had to run
>>>>>>>> “./init-repository –f” several times because some requests timed out,
>>>>>>>> otherwise it all went well up to the point where I wanted to configure
>>>>>>>> qtbase.
>>>>>>>>
>>>>>>> I think this is a gitorious problem, happened to me too!
>>>>>>>
>>>>>>>
>>>>>>>> ****
>>>>>>>>
>>>>>>>> In the ./configure step of compiling qtbase the script stops with
>>>>>>>> two errors saying:****
>>>>>>>>
>>>>>>>> “Could not determine the target architecture!”****
>>>>>>>>
>>>>>>>> “Could not determine the host architecture!”****
>>>>>>>>
>>>>>>>> Which is where I am stuck at the moment.****
>>>>>>>>
>>>>>>>> Otherwise I found the instructions easy to follow.****
>>>>>>>>
>>>>>>>> **
>>>>>>>>
>>>>>>> I had the same problem, but it happened to me because of leftover
>>>>>>> configuration from a previous unsuccessful build.
>>>>>>> To fix i did the following commands on qtbase folder:
>>>>>>>  $git reset --hard
>>>>>>>  $git clean  -dxf
>>>>>>> and tried the configure step again. It should work..
>>>>>>>
>>>>>>> Check if your target arch and host arch is correct in
>>>>>>> the qtbase/mkspecs/qconfig.pri file(after ./configure).
>>>>>>>
>>>>>>> **
>>>>>>>>
>>>>>>>> Since I have no idea how to fix that I hope for some suggestions in
>>>>>>>> the troubleshooting section of the guide which might help me J****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> Thanks in advance and keep up the good work****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> Dirk****
>>>>>>>>
>>>>>>>>  ****
>>>>>>>>
>>>>>>>> *Von:* qtonpi-bounces+dirk.schmoltzi=isl.eu at qt-project.org [mailto:
>>>>>>>> qtonpi-bounces+dirk.schmoltzi=isl.eu at qt-project.org] *Im Auftrag
>>>>>>>> von *paulovictor.pinheiro at gmail.com
>>>>>>>> *Gesendet:* Dienstag, 21. August 2012 05:08
>>>>>>>> *An:* martin.bjorkstrom at gmail.com
>>>>>>>> *Cc:* qtonpi at qt-project.org
>>>>>>>> *Betreff:* Re: [QtonPi] Beginner's problem compiling Qt5****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> Hello Everyone,****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> I finished the beginner's guide(
>>>>>>>> http://qt-project.org/wiki/RaspberryPi_Beginners_guide). Please
>>>>>>>> feel free to correct and improve it. Should i add a link to it in the
>>>>>>>> Qtonpi's wiki main page? Hope it helps.****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> Att,****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> Paulo Pinheiro****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> On Sat, Aug 18, 2012 at 5:16 AM, <martin.bjorkstrom at gmail.com>
>>>>>>>> wrote:****
>>>>>>>>
>>>>>>>> Paolo,****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> Adding:****
>>>>>>>>
>>>>>>>> INCLUDEPATH += <path to Qt5 includes>****
>>>>>>>>
>>>>>>>> To your projects pro-file should fix auto completion in Qt Creator.
>>>>>>>> ****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> Br,****
>>>>>>>>
>>>>>>>> Martin****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> On 17.8.2012 5:18 paulovictor.pinheiro at gmail.com wrote:****
>>>>>>>>
>>>>>>>> Well,****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> I finally could compile it and work flawlessly. The main issue with
>>>>>>>> my build was the leftover from an old failure build. Because of that i
>>>>>>>> could not compile V8 due to missing information such as target arch and
>>>>>>>> host arch (both where "unknown" on mkspecs). Floris tip solved the Qt
>>>>>>>> creator configuration problem, but still could not recognize the Qt5
>>>>>>>> classes and do autocomplete. I'm writing a simple guide(
>>>>>>>> http://qt-project.org/wiki/RaspberryPi_Beginners_guide) to this
>>>>>>>> compilation showing all the command lines and a troubleshooting section,
>>>>>>>> but its far from complete..so lot of work to do :)****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> Att,****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> Paulo Pinheiro****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> On Tue, Aug 14, 2012 at 10:31 PM, paulovictor.pinheiro at gmail.com <
>>>>>>>> paulovictor.pinheiro at gmail.com> wrote:****
>>>>>>>>
>>>>>>>> Well i'm taking notes but i did not get anything running on pi
>>>>>>>> yet(using wheezy). But as soon as i grok it in fullness i will try to
>>>>>>>> improve the wiki. I seems to me that is pretty much everything in there,
>>>>>>>> just need some love.****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> Att,****
>>>>>>>>
>>>>>>>> Paulo Pinheiro****
>>>>>>>>
>>>>>>>>
>>>>>>>> On Aug 14, 2012 6:44 PM, "Felipe Crochik" <qt-project at b2-4ac.com>
>>>>>>>> wrote:
>>>>>>>> >
>>>>>>>> > Paulo,
>>>>>>>> >
>>>>>>>> > Since you are going trough the whole experience from scratch,
>>>>>>>> would you mind sharing with the rest of us the steps and details of your
>>>>>>>> journey?
>>>>>>>> >
>>>>>>>> > I would like to be able to compile instructions in enough detail
>>>>>>>> that qt developers could follow even without experience on cross-compiling,
>>>>>>>> embedded, linux and rasppi.
>>>>>>>> >
>>>>>>>> > Thanks,
>>>>>>>> >
>>>>>>>> > Felipe
>>>>>>>> >
>>>>>>>> >
>>>>>>>> > On Tuesday, August 14, 2012, paulovictor.pinheiro at gmail.com <
>>>>>>>> paulovictor.pinheiro at gmail.com> wrote:
>>>>>>>> > > I overlooked the fixQualifiedLibraryPaths, but i could get to
>>>>>>>> compile everything, altough i could not try to compile an example, because
>>>>>>>> when configuring qt5 on Qt Creator i got the error message "The default
>>>>>>>> mkspec symlink is broken".. don't know what to do right now, i'll check why
>>>>>>>> this is happening and maybe redo it all over again.
>>>>>>>> > > On Tue, Aug 14, 2012 at 7:13 AM, Samuel Rødal <
>>>>>>>> samuel.rodal at nokia.com> wrote:
>>>>>>>> > >>
>>>>>>>> > >> On 08/14/2012 09:16 AM, ext Samuel Rødal wrote:
>>>>>>>> > >> > On 08/14/2012 04:00 AM, ext paulovictor.pinheiro at gmail.comwrote:
>>>>>>>> > >> >> It Worked! But now i'm facing problems when compiling
>>>>>>>> > >> >> qtjsbackend(altough some other modules compiled fine).
>>>>>>>> > >> >
>>>>>>>> > >> > What did you change to get qtbase building?
>>>>>>>> > >>
>>>>>>>> > >> Ok, seems the issue was failing to run the
>>>>>>>> fixQualifiedLibraryPaths
>>>>>>>> > >> script successfully, as documented here:
>>>>>>>> > >> http://qt-project.org/wiki/RaspberryPi
>>>>>>>> > >>
>>>>>>>> > >> --
>>>>>>>> > >> Samuel
>>>>>>>> > >> _______________________________________________
>>>>>>>> > >> QtonPi mailing list
>>>>>>>> > >> QtonPi at qt-project.org
>>>>>>>> > >> http://lists.qt-project.org/mailman/listinfo/qtonpi
>>>>>>>> > >
>>>>>>>> > >****
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>> ** **
>>>>>>>>
>>>>>>>
>>>>>>> Yours sincerely,
>>>>>>>
>>>>>>> Paulo Pinheiro
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> QtonPi mailing list
>>>>>>> QtonPi at qt-project.org
>>>>>>> http://lists.qt-project.org/mailman/listinfo/qtonpi
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> QtonPi mailing list
>>>>> QtonPi at qt-project.org
>>>>> http://lists.qt-project.org/mailman/listinfo/qtonpi
>>>>>
>>>>>
>>>>
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>>>>
>>>>
>>>
>>
>
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