Re: [CMake] Qt assistant in OsX application bundle

Clinton Stimpson Wed, 03 Mar 2010 06:51:23 -0800


This works for me:


Foo.app/
-Contents/
--plugins/
---sqldrivers
--Resources/
---qt.conf
--MacOS/
---Foo
---Assistant.app/
----Contents/
-----plugins/   symlink to ../../../plugins
----Resources
-----qt.conf

You can change the location of plugins to your liking if you specify itin qt.conf.That also means you can do without symlinking plugins and tell theassistant's qt.conf to go up 3 more directories.


Clint

On 03/03/2010 07:20 AM, Michael Wild wrote:

Hmm, that's strange... Looks like you're doing the things the right way...

Have you tried making the Doc/Assistant.app/Contents/Plugins not a symlink, but 
a copy of Bundle.app/Contents/Plugins instead? Just for debugging... Moving the 
libqsqlite.dylib library into MacOS can't help because Qt is always searching 
for $PLUGINS_DIR/sqldrivers/libsqlite.dylib, where $PLUGINS_DIR is the 
directory where Qt looks for plugins.

I understand your frustration, deploying stuff on Mac OS X is a PITA.

Michael

On 3. Mar, 2010, at 14:47 , Martin Guillon wrote:

In fact it was not solved

It works great on my dev machine. But as soon as I copy my app on a machine without qt 
framework I get an error "Cannot Load SQLite database driver!"

So let me first show you my layout

Bundl.app
--MacOS
--Resources
--Framework
-----QtCore...
-----QGui...
-----QtXml...
-----QtHelp...
-----QtSql...
--Plugins
----imageformats
-------- .....
----sqldrivers
------libsqlite.dylib
--Doc
----Assistant.app
------Frameworks (link to ../../Frameworks)
------Plugins (link to ../../Plugins)
------ Exactly the same layout as the assistant from qt/bin


Now I now Assistant find the frameworks as I get another error related to that 
if I change anything related to the frameworks.
Now I have spent 3 days of the "Cannot Load SQLite database driver!" error and 
I cant find the solution.
I tried copying libsqlite.dylib in the MacOS folder, tried creating a 
empty/filled qt.conf in Bundle.app/Doc/Assistant.app/Resources.
Nothing works!

I really need help
Thanks

Martin

-----Original Message-----
From: cmake-boun...@cmake.org [mailto:cmake-boun...@cmake.org] On Behalf Of 
Martin Guillon
Sent: Monday, March 01, 2010 4:18 PM
To: Michael Wild; Michael Jackson
Cc: cmake@cmake.org
Subject: Re: [CMake] Qt assistant in OsX application bundle

Thanks a lot Michael, I found the solution in ParaView!!!

Martin

-----Original Message-----
From: Michael Wild [mailto:them...@gmail.com]
Sent: Monday, March 01, 2010 3:14 PM
To: Michael Jackson
Cc: Martin Guillon; cmake@cmake.org
Subject: Re: [CMake] Qt assistant in OsX application bundle

But only the stable release, the CVS version doesn't anymore.

Michael

On 1. Mar, 2010, at 15:05 , Michael Jackson wrote:

I would take a look at the ParaView project as ParaView uses QtAssistant for 
help.
_________________________________________________________
Mike Jackson                  mike.jack...@bluequartz.net
BlueQuartz Software                    www.bluequartz.net
Principal Software Engineer                  Dayton, Ohio

On Mar 1, 2010, at 7:52 AM, Martin Guillon wrote:

Hi,

After successfully creating my application bundle with qt frameworks(thanks to 
all of you) I am now trying to integrate the qt assistant in my application 
bundle.
I first tried to put the whole Assistant.app in a folder of my app bundle. But 
then fixing the bundle wouldn't work with the assistant because of the double 
level of bundle app.
Then I thought that should just put the Assistant executable in the MacOS 
folder of my bundle. Then the fixing worked but launching the Assistant 
wouldn't work. It would just crash with a bus error during start.

So did anyone successfully integrated the qt assistant in its app bundle?

Thanks a lot

Martin

-----Original Message-----
From: Michael Wild [mailto:them...@gmail.com]
Sent: Thursday, February 25, 2010 9:36 AM
To: Martin Guillon
Cc: Werner Smekal; cmake@cmake.org
Subject: Re: [CMake] OsX bundle including Qt framework

I think this is because Qt by default loads some optional plugins and finds them in your Qt 
installation because they do not get copied into your application bundle automatically. Since the 
prefixes do not match, Qt is complaining... You can confirm this by setting the environment variables 
DYLD_PRINT_LIBRARIES or DYLD_PRINT_LIBRARIES_POST_LAUNCH to a non-empty string and then starting your 
application from the command line (i.e. 
/<path-to>/<application>.app/Contents/MacOS/<executable>, where you have to replace 
the parts in<>). Then watch for the library names that get loaded. Nothing should come from your 
Qt installation.

If this is the source for the error, try including an empty qt.conf
file in your bundle (or as a resource) as described here:
http://doc.trolltech.com/4.6/qt-conf.html

HTH

Michael


On 25. Feb, 2010, at 9:11 , Martin Guillon wrote:

A little feedback on what s happening. After using the fixbundle  script, my 
app works great on a machine without QT installed. I loads the frameworks I put 
in the bundle perfectly.
But now I have a problem in my dev environment. After fixing the bundle, if I 
start my app, I get qt errors saying it finds multiple versions of qt, and then 
some of my executables wont start.
That s not that bad in my dev environment but what if the user already have a 
qt somewhere?

Is there a way to make so that my app only see the qt frameworks in the bundle?

Thanks

MArtin

-----Original Message-----
From: cmake-boun...@cmake.org [mailto:cmake-boun...@cmake.org] On
Behalf Of Martin Guillon
Sent: Wednesday, February 24, 2010 4:05 PM
To: Werner Smekal; cmake@cmake.org
Subject: Re: [CMake] OsX bundle including Qt framework

Thanks a lot, it now works perfectly!!!!

MArtin

-----Original Message-----
From: cmake-boun...@cmake.org [mailto:cmake-boun...@cmake.org] On
Behalf Of Werner Smekal
Sent: Wednesday, February 24, 2010 3:34 PM
To: cmake@cmake.org
Subject: Re: [CMake] OsX bundle including Qt framework

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hi Martin,

I use cmake to make an osx bundle of my qt application. During
install I copy qt framework from my qt install dir to the
Frameworks directory of my bundle.

This will be done automagically using the BundleUtilities module. E.g.
in my project I do:

        # fixup bundle, copy dynamic libraries into app bundle
        set(APPS "\${CMAKE_INSTALL_PREFIX}/${SESSA_BUNDLE_NAME}.app")  # paths 
to executables
        set(DIRS "${CMAKE_SOURCE_DIR}/local/Release/lib")   # directories to
search for prerequisites
        INSTALL(CODE "
        include(BundleUtilities)
        fixup_bundle(\"${APPS}\"   \"\"   \"${DIRS}\")
        ")

Look in the mailing list or in the net about BundleUtilities to get more 
information, or look in the module.

The problem I have now is that when using "ostool -L " I see that
my executable look for qt frameworks in a dir which is the absolute
path to my qt install dir.

Reason is, that if you link to a library, the reference inside the
*library* (use otool -L on that library) is used and set in the
executable as well. You need at least to set the new reference
(@executable_path/....) in the executable, so that it can find the libraries 
(if libraries depend on other libraries you need to change that as well). Use 
install_name_tool for that.

But everything is done by the BundleUtilities macro, so you don't need to mess 
around here.

HTH,
Werner

What I want is for my executable to look in the "Frameworks"
directory of my bundle.



Is there a way to do that directly during build using Cmake?



Thanks



MArtin



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Dr. Werner Smekal
Institut fuer Angewandte Physik
Technische Universitaet Wien
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Austria
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Re: [CMake] Qt assistant in OsX application bundle

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