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1.download qt-win  project

http://kde-cygwin.sourceforge.net/qt3-win32/

The qt3 project for windows if you wanna compile qt4 download qt4 opensource  edtion

2.To build qt under windows ,you can use MS VS,MingW,DEV CPP  ….

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MingW

Compiling Qt with command line tools

• Open a cmd shell (make sure you haven’t msys or cygwin in your PATH!)
• Setup Qt environment

  c:source> set QTDIR=< qt3 source root >
  c:source> set MINGW=< MinGW installation root >
  c:source> set PATH=%QTDIR%bin;%MINGW%bin;%PATH%
  c:source> set QMAKESPEC=win32-g++

• Configure and build the source
  The script first creates link_includes.exe and configure.exe which are needed for bootstrap the build process. link_includes copies all relevant Qt headers into the include-directory. configure.exe is the replacement for the ./configure-script unter Unix/Linux. After that, qmake.exe is build and the compilation gets started.

  c:source> cd < qt3 source root >
  c:sourceqt-3> configure.bat [-fast] [-verbose]

  configure knows some of the parameters of the x11 release configure script like -fast or -verbose.
  For a full list see binconfigure.exe -help.

  This should build the whole Qt release. If it breaks you can restart compiling with

  c:sourceqt-3> mingw32-make [< target >]

  for a list of all available targets see the toplevel Makefile

• Start Qt applications

  c:sourceqt-3> designer
  c:sourceqt-3> assistant
  c:sourceqt-3> linguist
  c:sourceqt-3> cd tutorialt1
  c:sourceqt-3tutorialt1> t1

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MSVS 2005 or newer

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Dev-c++

• Windows NT, 2000 or XP (it has not been tested on Windows 9.x)
• MinGW
• Dev-C++ 5
• A svn client for svn checkouts (for example Subversion or TortoiseSVN)

Installing Dev-C++ already containing MinGW

• Download Dev-C++ 5 with Mingw/GCC (9.1MB only!) from www.bloodshed.net/dev/devcpp.html.
• Install Dev-C++ 5, do not enable ‘Class Browsing’, if you are ask for
• or disable ‘Class Browsing’ in the menu ‘Tools/Editor Options’

Installing Dev-C++ and MinGW separate

• The latest full MinGW Package from http://www.mingw.org – currently this is MinGW-5.1.1

If you don’t want to download 50MB, you need at least the binaries of gcc-core, gcc-g++, w32api, mingw-runtime, binutils, gdb, mingw32-make (7 files, 19MB)

• Download ‘Dev-C++ 5 executable only’ from www.bloodshed.net/dev/devcpp.html (2.1 MB).
• Install Dev-C++ 5, do not enable ‘Class Browsing’, if you are ask for
• or disable ‘Class Browsing’ in the menu ‘Tools/Editor Options’.
• add your MinGWbin path to Dev-C++ in ‘Tools/Compiler Options/Directories’ or add your MinGWbin path to the PATH variable.

Get the Q… sources

• by downloading a Qt 3 source snapshot from the qtwin download area
• or from the svn repository (qtwin.svn.sourceforge.net)checkout the sources with

  c:source>  svn co https://qtwin.svn.sourceforge.net/svnroot/qtwin/qt-3/trunk qt-3

Generating essential tools and files

• Open a cmd shell
• Setup Qt and MinGW environment, e.g. Qt in ‘C:sourceqt-3′, and MinGW in ‘C:ProgramsMinGW’ or C:ProgramDev-Cpp (please adjust the paths to your needs)

   C:source> set QTDIR=C:sourceqt-3
   C:source> set MINGW=C:ProgramsMinGW
   C:source> set PATH=%QTDIR%bin;%MINGW%bin;%PATH%

• Build essential tools by command line
  The script first creates link_includes.exe and configure.exe which are needed for bootstrap the build process. link_includes copies all relevant Qt headers into the include-directory. configure.exe is the replacement for the ./configure-script under Unix/Linux. After that, qmake.exe and moc.exe is build.

  C:source> cd C:sourceqt-3
  C:sourceqt-3> configure-mingw.bat -debug -static

  For a full list of options see binconfigure.exe -help.

• Stop the compilation if it has finished building ‘qt-3binqmake.exe’
• Generating Dev-C++ importable files
  Build *.dsp files which could be imported by Dev-C++ with

  C:sourceqt-3> set QMAKESPEC=win32-msvc
  C:sourceqt-3> binconfigure.exe -debug -static

  and also generate Makefiles for the special Qt build process by calling again:

  C:sourceqt-3>configure-mingw.bat -debug -static

• Break if it has finished building moc and close the cmd shell.

Using Dev-C++

When compiling Qt projects with Dev-C++ you must use the Makefiles generated by qmake. Dec-C++ is ‘only’ a front end to use this makefiles. All compiler/linker options provided by Dev-C++ are disabled by choosing the ‘Custom Makefile’. But one advantage over using the command line only is the user interface of the debugger.

• Add the QTDIR variable to your environment in ‘My Computer/Properties/Advanced/Environment Variables’
• Restart Dev-C++

For all Qt project use this procedure:

• Open Dev-C++ and import the *.dsp file by the menu function ‘File/Import’ (e.g. ‘qt-3exampleshellohello.dsp’)
• Enable ‘Use custom Makefile’ in ‘Project/Project Options/Makefile’ and choose ‘Makefile’ in the folder of your project (e.g. ‘qt-3exampleshelloMakefile’).

Compiling the Q… libraries

To get the Q… library only, you must build the Qt and main library.

• Compiling with Dev-C++ import both *.dsp files in the ‘qt-3src’ folder (don’t forget to select Makefile or Makefile.main).
• If you have time (one hour and more) you can also build everyting (uic, designer, assistant, examples, tutorials …) by using the command line:

  C:source> cd C:sourceqt-3
  C:sourceqt-3> configure-mingw.bat -debug -static