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====== Qt ======

===== Other Qt Pages =====
  * [[QtEnums]]
  * For undocumented features of qmake, including SUBDIR projects with proper dependency hierarchies: http://wiki.qtcentre.org/index.php?title=Undocumented_qmake#SUBDIRS_projects

===== Compiling Qt under (k)ubuntu =====

  * Download and extract Qt
  * Use <code bash">sudo apt-get install</sourc> to install the following packages:
    * openssl
    * libssl-dev
    * xorg-dev
    * build-essential
  * Configure with the following line
<code bash>
./configure -no-phonon -no-webkit -no-opengl -openssl
</code>
  * Build and install with the commands
<code bash>
(g)make install
sudo (g)make install
</code>

===== Building a minimal set of libraries only =====
If you only want the Qt libraries, and none of the tools or examples, you can save time by using the following command lines
<code bash>
./configure -no-phonon -no-webkit -no-opengl -openssl -nomake examples -nomake demos
(g)make
sudo (g)make install
</code>

===== Compiling Qt under Windows/Visual Studio =====

  * Download and extract Qt to C:\build\<version>
  * Download and extract OpenSSL to C:\build\openssl-0.9.8g. Build it.
  * Download and install the Windows SDK (formerly Platform SDK, at the time of writing v6.1)
  * For Phonon support, download and install the full DirectX SDK (at time of writing, November 2007 release)
  * Set the following environment variables
<code bash>
OPENSSL_PATH = C:\build\openssl-0.9.8g
PATH += C:\build\qt-win-opensource-src-4.4.0\bin
QMAKESPEC = win32-msvc2005
</code>

  * Run a platform sdk command prompt (The yellow one)
  * For Phonon support, execute the DirectX environment script
<code bash>
C:\Program Files\Microsoft DirectX SDK (November 2007)\Utilities\Bin\dx_setenv.cmd
</code>
  * Configure with the following command lines
<code bash>
cd c:\build\qt-win-opensource-src-4.4.0\
configure.exe -debug-and-release -phonon -webkit -direct3d -openssl -I C:\build\Include -L C:\build\Lib
</code>

Check the beginning of the output of configure, and ensure all selected options have been correctly enabled)

  * Compile with the following command line
<code bash>
nmake
</code>

===== Improved Debugging output =====
  * Find the autoexp.dat file within the visual studio installation directory and add the following lines just before the [[Visualiser]] section
<code text>
; Qt Integration
QObject =classname=<staticMetaObject.d.stringdata,s> superclassname=<staticMetaObject.d.superdata->d.stringdata,s>
QList<*>=size=<d->end,i>
QLinkedList<*>=size=<d->end,i>
QString=<d->data,su> size=<d->size,u>
QByteArray=<d->data,s> size=<d->size,u>
QUrl =<d->encodedOriginal.d->data,s>
QUrlInfo =<d->name.d->data,su>
QPoint =x=<xp> y=<yp>
QPointF =x=<xp> y=<yp>
QRect =x1=<x1> y1=<y1> x2=<x2> y2=<y2>
QRectF =x=<xp> y=<yp> w=<w> h=<h>
QSize =width=<wd> height=<ht>
QSizeF =width=<wd> height=<ht>
QMap<*> =size=<d->size>
QVector<*> =size=<d->size>
QHash<*> =size=<d->size>
QVarLengthArray<*> =size=<s> data=<ptr>
QFont =family=<d->request.family.d->data,su> size=<d->request.pointSize, f>
QDomNode =name=<impl->name.d->data,su> value=<impl->value.d->data,su>
</code>

===== Making a project with qmake =====

  * Create a new project file with the following commandline
<code bash>
qmake -project -t app -o projectname.pro
</code>
(In the current version of qmake, the template does not always get correctly applied, it can be fixed with the template below).

<code text>
  - Visual Studio 2005 template
TEMPLATE = app
  - Output binary name
TARGET = myproject
DEPENDPATH += .

  - Which Qt modules to include
QT += network
  - Additional condiguration
CONFIG += warn_on thread 
CONFIG -= embed_manifest_exe 

  - Show a console with stderr output in debug mode
win32:CONFIG += console

  - Input
HEADERS += main.h
SOURCES += main.cpp
</code>

===== Creating the Visual Studio project files =====
Once the .pro file is made, and indeed every time it is changed, use the following commandline to generate the Visual Studio project files
<code bash>
qmake -tp vc
</code>

The project can then be opened in visual studio and compiled as ususal