[QtonPi] Fwd: Beginner's problem compiling Qt5

Tue Aug 21 22:16:49 CEST 2012

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
>>>>
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>>>>
>>>>
>>>
>>
>>
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>
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