Installation and Deployment

• 

  Linking my app dynamically against statically built QT?
  • butters

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  [quote author="butters" date="1289581791"]
  Lets say I build my QT dynamic linked and then link my app against it.
  Can my app still use some static linked plugins from QT by doing Q_IMPORT_PLUGIN or thats also not possible.
  [/quote]

  It's possible. Just make sure you put a CONFIG += static into the .pro file for the plugin...

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  Qt installation in Symbian
  • juissi

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  [quote author="juissi" date="1289545747"]Yes, that was what I said. Also why qt_installer.sis doesn't force to C if only that works?[/quote]

  The first 4.6 packages where installed on C: without prompt the user about it.
  I guess it has changed due to devices where it does not fit in c: - I agree with you it should be automatically installed in C:

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  [bug] Downloading archive for component Madde Qt 4.7.0 - fails
  • Guest

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  denis, thanks :)

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  Deploy on mac with macdeploytq -app to big
  • john_god

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  Forget my last post, with was a app made with Qt, but the 15Mb was the size of the dmg, the app was about 40Mb. My mistake.

• 

  Cmake vs .pro
  • Taamalus

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  [quote author="Tobias Hunger" date="1289379968"]I am afraid you will now need to dive into the CMake build system![/quote]
  :) Thanks again for your input! Not sure how to make this topic 'solved' but the original question is answered. I'm not going to post again, when I figured out Cmake, it's not part of the thread.

  b.t.w. It doesn't matter what I need to do. Now I have a clear path and do not need to wonder am I on the right track. Plus if the original programmer(s) ever comes back, no surprises for them, they put a lot of work into this program.

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  [SOLVED] Qt Creator & Qt in PATH & strange qmake location path
  • MurPasten

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  As you might have noticed: The cosmetic issue is resolved in master, but unfortunately not in the 2.1 branch where we released a beta of today.

  I just wanted to make sure we did not have some additional problem lurking somewhere:-)

• 

  Old SDK version
  • qwertyuiopearendil

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  I'm rather interested in latest minor releases of major versions, so I've just created a wiki page
  http://wiki.qt.io/Qt_Versions

  It lacks information you're looking for, but it's still useful IMO. You can also improve its content providing details about not mentioned SDK versions (but then, for consistency, rather all versions should be mentioned).

  EDIT (2015-08-15): Fixed link.

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  Setup executable creators
  • jorj

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  I use InnoSetup on Windows. It is free even for commercial projects. NSIS doesn't have a wizard, so you have to write the script by hand. On Linux, make a .rpm / .deb package, and on Mac, use a .dmg image.

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  How to get and build Qt Base Module (QExifImageHeader) with Qt Embedded Linux.
  • jsiei97

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  I found this link:
  "https://github.com/FilipBE/qtextended/":https://github.com/FilipBE/qtextended/

  Is that the same stuff?

  But the question is also if it is possible to get Qt Extended as LGPL and not GPL?
  (that github copy seems like a GPL copy...)

• 

  Problem building qt mobility 1.1.0 beta2 on os x
  • zlu1

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  i tried git clone from gitorious for the latest code, same error.
  spoken with Alex Blasche at qt developer conference and he suggested that i open a bug: "http://bugreports.qt.nokia.com/browse/QTMOBILITY-688 ":http://bugreports.qt.nokia.com/browse/QTMOBILITY-688

• 

  [Solved] Uninstall Nokia Qt Sdk from Ubuntu 10.04
  • DigitalDriver

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  thanks! I just need to reinstall it.
  [quote author="coca-cola-planet" date="1284393552"]

  you can remove it like this, those developers should add this somewhere ! like next to the download text

  linuxmint ~ # cd /opt
  linuxmint opt # ls
  qtsdk-2010.04
  linuxmint opt # sudo ./qtsdk-2010.04/bin/uninstall
  linuxmint opt #
  [/quote]

• 

  Menus changed between 4.6 & 4.7?
  • smiffy

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  Wonderful. All is now clear. Many thanks.

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  Qt Creator 2.1 beta picking up "wrong" examples
  • Guest

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  No one has replied

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  How to build phonon backend with gstreamer ?
  • goway_xu

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  Isn't there any package called phonon-gstreamer (or something like that) for your distribution?

• 

  Create a Qt project composed by other project
  • qwertyuiopearendil

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  I'm not able to understand, could you please send me an example or post a link with it.
  My email address is cervelli.leonardo@gmail.com
  Thanks and sorry.

• 

  Include files
  • Taamalus

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  To anselmolsen: Thanks. You were right on target. As seconded by Pavanesh. It does work, even for me; the proverbial Hello program did compile just right now.

  To Volker: A little known IDE called wxDev-C++. You open the environment menu, and simply choose and click, where the include files are, libraries, where your targets ought to be and so on. The IDE not in the professional class off IDEs, (neiher am I btw) but once you're done selecting, the path(s) are written into a 'make' file for any compiler you choose. Very fast, and you don't worry about a typo. I love this IDE, but unfortunately, my hobby is growing and I have to move on.

  To all: Thanks for those quick responses. :D

• 

  Customizing navigation components
  • dpatrick

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  QLabels cannot get the keyboard focus, so I don't understand what you mean by "navigating among them". Could you explain that further?

• 

  Qt installation (with vs10)
  • jigfjifd

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  For the previously created project: As far as I know you can set the Qt version to be used afterwards, that should set the appropriate include paths.

  You probably can delete the .cpp files. All of the .h files are definitely needed. But I won't do that. The disk space you gain is not that much and it's not worth the effort, IMHO. If you really want you can delete the examples subdir, but I won't do that either, because it's a good source to sneak how the trolls do certain things :-)

• 

  Using configure on Windows VS2005 x64
  • jamesburgess

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  If you reconfigure then a generated header file, qconfig.h, will be regenerated, containing some info about what parts of Qt are enabled. That means everything which includes that header will be recompiled, which is most of Qt.

  You might be able to speed up your build by using vcbuild or jom, either of which should be able to parallelize to some degree (unlike nmake).

• 

  Does Qt 4.6 or 4.7 support postgresSQL 9.0 ? please help
  • iko5

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  Qt already told you:

  bq. This version of PostgreSQL is not supported and may not work

  So I'd suggest you try your model with an 8.x version of PostgreSQL and check if it works there. If not, it's a problem in your model. If it works, it's a problem with the 9.0 version and you'll probably have to wait until the trolls make it work.

• 

  [Solved] QT 4.6.(2 or 3) stalls on stallation at 85%.
  • zambotti

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  My version turned out to be 4.7 in the end. The install window eventually times out (after a few hours) and provideds the option of ignoring the problem and carrying on.

  After carrying on the install finished and testing a few of the providing examples seems to be all fine.

• 

  Newbie here.... Hardware Support?
  • PITGUY

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  Thank You both.....That makes more sense now. I will check with my manufacture of my devices to see what they will provide if drivers do not exist for the OS and or QT.

• 

  Qt loads plugins of release version on a debug build - Mac only
  • ducktail

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  Hi ducktail,

  this is definitely not the right behaviour.

  You mentioned that you use QApplication::addLibraryPath() to add the library path. That could be the problem. That adds your plugin dir to the search path, but the default search path of Qt is still active and that could cause the system to load the release plugins.

  I'd suggest you try QApplication::setLibraryPaths() or QApplication::removeLibraryPath() to get rid of the system path.

• 

  Qt 4.7.0 error on make (invalid pointer to bit-field)
  • xryx

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  Thanks for the reply. I'll file a bug report on it.

• 

  [Solved] Qt build-flags
  • riussi

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  hadn't tried it myself... glad it worked :)

• 

  Qt Creator 2.0.1 Multi Qt Versions Support Issue?
  • fzhu_genshare

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  The header files of Qt/Embedded installed to /usr/local/Trolltech/Qt-4.7.0/include,

  The INCPATH in Makefile looks like:
  INCPATH = -I/usr/local/Trolltech/Qt-4.7.0/mkspecs/qws/linux-x86-g++ -I. -I/usr/local/Trolltech/Qt-4.7.0/include/QtCore -I/usr/local/Trolltech/Qt-4.7.0/include/QtNetwork -I/usr/local/Trolltech/Qt-4.7.0/include/QtGui -I/usr/local/Trolltech/Qt-4.7.0/include -I. -Iinclude -I. -I.

  The makefiles are all generated by qmake.

• 

  Class QApplication has no member named qwsSetDecoration
  • dpatrick

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  Are you trying to compile it for what architecture?
  It only works for Qt for embedded linux...

  From "documentation":http://doc.qt.nokia.com/4.6/qapplication.html#qwsDecoration

  [edit: fixed link / chetankjain / Gurudutt]

• 

  QT compiler flags/defines
  • drjakir

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  I believe they're important...

  I did a a very fast lookup for those string:

  UNICODE are being used in 3rdparty/wintab/wintab.h
  QT_DLL is being used in global/qglobal.h

  New you need to track down what they're doing ;)

  Anyway, whatever you have to do, replicate qmake's work probably is not a good idea.
  Post here your environment issues and maybe we can help you in a proper way.

• 

  [OSX10.5.8] applications crash when launched
  • ASGR

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  Seems installing QT behaves differently
  when built without frames works. When
  built with frameworks all executes OK.

• 

  Can't make Qt4 visual studio add in find qmake.exe
  • ProgrammerAtHeart3344

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  thanks gfuys

• 

  Qt 4.7 SDK incorrect GTK style
  • guiQt

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  Good news! Thanks.
  I hope in future releases we'll se:

  Qt SDK for Linux/X11 32-bit**
  **Verified on (K)ubuntu 8.04 and 8.10.

• 

  Problems compiling Qt 4.7 RC1 for Windows Mobile with the Vincent 3D OpenGL ES library
  • ludde

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  Reported this as a bug (QTBUG-14215), which was promptly taken care of, and will be fixed in the 4.7.1 release. A patch was also attached to the bug report if you cannot wait for the release.

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  Qt 4.7.0 static build for wince
  • sergey.pakhandrin

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• 

  Qt library package installer
  • alexander

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  Yes, it's problem now. But it's suggestion to the future version.

• 

  Qt version: From 4.4.3 to 4.6.2
  • Tedisito

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  It was a wrong events managment in a derivation class of QApplication, a conception error. I think, the bug just showed up at the same moment that I changed the Qt version. But there is nothing to do with version of Qt.

• 

  Trouble with Mac OS X and Qt 4.7 x86_64 support
  • jrandom

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  bahonurn: Please create your own thread about your issue.

• 

  Problem using Mysql driver
  • evanxg852000

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  My error was that I tried to run reimp on the dll file, but I should use the lib file instead. Oops!

• 

  What is the syntax of ‘INCPATH’ in Qt Makefile?
  • justforfun

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  [quote author="Denis Kormalev" date="1285579220"]Maybe you just have .pro file with
  @
  INCLUDEPAH += .
  ........
  include(someprifile.pri)
  @
  and have someprifile.pri with
  @
  INCLUDEPAH += .
  @

  Or second "." is included from some else place.[/quote]

  Your opinion is right. I tried to remove some duplicated '-I.' and still I can compile to the same result. That means the duplicated '-I.' is not necessary and could be generated by the qmake process.

  Also thanks to those who provided your idea here!

• 

  Qt Compile Error in Vista/VS2008
  • marcelopaz

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  marcelopaz Have you updated your Visual Studio with all the latest updates? Especially SP1?

  I have found this "thread":http://social.msdn.microsoft.com/forums/en-US/vclanguage/thread/5abc3918-af6e-40e4-9962-40d90edefb1e that is about your issue however I suggest to check for updates using Microsoft Update.

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  Open GL ES library name (on Windows Mobile)
  • ludde

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  OK. Managed to solve this myself. In mkspecs/common/wince/qmake.conf I simply changed the line defining the name(s) of the GLES libraries to:

  QMAKE_LIBS_OPENGL_ES1 = libGLESv1_CM.lib libEGL.lib

  However, this just led to another problem. When building Qt, I get a link error when linking QtOpenGLd4.dll:

  @

  link /LIBPATH:"p:\Qt\4.7.0-mobile-opengl\lib" /LIBPATH:"p:\Qt\4.7.0-mobile-opengl\lib" /NOLOGO /NODEFAULTLIB:OLDNAMES.LIB /DEBUG /SUBSYSTEM:WINDOWSCE,5.01 /MACHINE:THUMB /DLL /VERSION:4.70 /OUT:....\lib\QtOpenGLd4.dll @C:\Users\lborgne\AppData\Local\Temp\QtOpenGLd4.dll.1700.3651.jom
  Creating library ....\lib\QtOpenGLd4.lib and object ....\lib\QtOpenGLd4.expqgl.obj : error LNK2001: unresolved external symbol "public: static struct QMetaObject const QGLWindowSurface::staticMetaObject" (?staticMetaObject@QGLWindowSurface@2UQMetaObject@B)
  qglpaintdevice.obj : error LNK2001: unresolved external symbol "public: static struct QMetaObject const QGLWindowSurface::staticMetaObject" (?staticMetaObject@QGLWindowSurface@2UQMetaObject@B)
  ....\lib\QtOpenGLd4.dll : fatal error LNK1120: 1 unresolved externals
  @

  QGLWindowSurface::staticMetaObject sounds like something quite internal to Qt, and I cannot really see what could be causing it to be missing. Any ideas on how to solve this are most welcome.

  I should also mention that this only happens with 4.7. 4.6.3 now builds properly with this GLES library.