question about dlls..

[Zlatomir]

You are building the "debug" version of your application, that has a lot of information in it for the debugger... that is meant for you to use while fix the bugs, it is not for your clients to use. (note the d in the Qt dll names: QtGuid4.dll)

For your clients you build the "release" (after you fixed all the bugs ) and deploy that with example dll: QtGui4.dll (without that d) and the two MinGW and Qt's core and gui have about 13MB.

["BumbleBee"]

You are building the "debug" version of your application, that has a lot of information in it for the debugger... that is meant for you to use while fix the bugs, it is not for your clients to use. (note the d in the Qt dll names: QtGuid4.dll)

For your clients you build the "release" (after you fixed all the bugs ) and deploy that with example dll: QtGui4.dll (without that d) and the two MinGW and Qt's core and gui have about 13MB.

Aha...so in release mode i don't have to put the dlls in the same folder with exe?
And I didn't understand what you wrote here:deploy that with example dll: QtGui4.dll (without that d) and the two MinGW and Qt's core and gui have about 13MB.

[Archa4]

Aha...so in release mode i don't have to put the dlls in the same folder with exe?

No. U have to put the dll's in your folder but u've put the wrong ones...

QtGui4.dll (without that d) and the two MinGW and Qt's core and gui have about 13MB.

When u build your release version include the QtGui4.dll, mingwm10.dll and QtCore4.dll

[squidge]

Static application will not be much smaller than dynamic application.

190MB seems unusally large though, what files are you putting with your application?

Eg. deploy QtGui4.dll, do not deploy QtGui4d.dll

[Gokulnathvc]

How to include all the dlls into the application and making the large exe file instead of copying the dll's and installing them in the installed folder..... Need to include al thte Dll's needed before release..

[squidge]

Then you need to rebuild Qt and use static linking. You also need to read the license agreement about static linking.

[ChrisW67]

Or use one of the many installer scripting programs to build a single installer executable that installs the multiple files you need to deploy.

[Gokulnathvc]

I just need a single large executable file with all the dll's statically linked. Help me regarding this.

[squidge]

We've already told you how to do this - you need to rebuild Qt.

[Gokulnathvc]

Could you explain this with the sample code..??

[nish]

Could you explain this with the sample code..??

linking is a different process than coding. There is no sample code for that. You need to learn how to configure and make.

[Gokulnathvc]

I need to link the following dlls,
libgcc_s_dw2-1.dll,mingwm10.dll,QtCore4.dll,QtGui4.dll,QtNetwor k4.dll.
How to link them statically?
These dll's are needed for my application to run.

["BumbleBee"]

Man,according to what they have said,you cannot bind all that into one executable.
A method that I know,you can use is to make a SFX archieve(self extracting RAR),which will have the appearence of an .exe,but will extract itself behind the scenes.

Otherwise,you'll need to re-build Qt,which means take the source code and re-complite it...

[squidge]

I need to link the following dlls,
libgcc_s_dw2-1.dll,mingwm10.dll,QtCore4.dll,QtGui4.dll,QtNetwor k4.dll.
How to link them statically?
These dll's are needed for my application to run.

Your not going to get a different answer by just asking the same question. You need to reconfigure the build of Qt, then rebuild Qt, and then rebuild your application.

How to do that is described here: http://doc.qt.nokia.com/latest/deployment.html

Note that static linking requires a different license than dynamic linking. Therefore ensure you read the license first or you may get sued.

[Zlatomir]

Aha...so in release mode i don't have to put the dlls in the same folder with exe?...

You still need to copy the dlls, but you will copy the release versions example: QtGui4.dll, QtCore4.dll and so on for the Qt modules you used in your application.
You don't copy the QtGuid4.dll, QtCored4.dll dlls which are bigger.

On my system QtGui4.dll is 9 MB and QtGuid4.dll is 147 MB, the release dlls are much smaller and also the release build is more optimized and it will run faster.

["BumbleBee"]

Can I somehow include the dlls in my app(like compile or something..)so that the user cannot see the dlls?
I want to give the exe only.

[Archa4]

U have to read about static linking... I would tell u about it but the thing is - i have no idea how to use it...

[Zlatomir]

To create a static application you will need to static build Qt framework your self and if you use open source Qt, check what you are and are not allowed to do, because LGPL has some restrictions.

["BumbleBee"]

What is this static framwaork and why does it say about gcc?

[Zlatomir]

Qt is a framework and you need the static build of the framework if you want to build static application that use the Qt framework.

The link was just an example, it says the procedure to build Qt static on Windows using MinGW (MinGW is the compiler used and it is a Windows port of the GCC)