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README_windows.txt
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Procedure for setup of a windows build environment for QGIS
Tim Sutton and Godofredo Contreras 2006
CMake additions Magnus Homann 2007
With thanks to Tisham Dhar for preparing the initial msys environment
---------------------------------------------------------------------------------
This document describes the process you need to follow to get QGIS built directly
under windows (rather than using a cross compiler under linux).
Note: The process for building under windows is still being sorted out so
check this document regularly for updates.
Msys:
-----
get this:
http://qgis.org/uploadfiles/msys/msys.tar.bz2
and unpack to c:\msys
The file is compressed using bzip2 - you can get a free windows application
for creating and decompressing files here:
http://www.7-zip.org/
Qt4.2:
------
Download qt4.2 opensource precompiled edition exe and install (including the
download and install of mingw) from here:
http://www.trolltech.com/developer/downloads/qt/windows
Edit C:\Qt\4.2.0\bin\qtvars.bat and add the following line (the second is only
needed if you like vim in your shell):
set PATH=%PATH%;C:\msys\local\bin;c:\msys\local\lib
set PATH=%PATH%;"c:\Program Files\Vim\vim70\
If you plan to do some debugging, you'll need to complie debug version of Qt:
C:\Qt\4.2.0\bin\qtvars.bat compile_debug
QGIS:
-----
Check out to c:\dev\cpp\qgis:
cd c:\dev\cpp
svn co https://svn.qgis.org/repos/qgis/trunk/qgis
Currently you need to put it into that location in case you plan to create
the NSIS installer because so far it contains hardcoded paths for this location.
USING CMAKE :
-----------
Instead of shifting around files, you could use CMake. CMake compiles
raster, compaser, legend, gui and core libraries into one core
library. So it is not 100% compatible with 'normal' 0.8 Makefiles.
Below are the steps to configure and make the source. The building
takes plac in a separate directory from the source. If you have built
the source with 'normal' Makefiels first, please do a make clean (or
remove and check out everything). Previoussly made intermediate files
can disturb the CMake process.
As a background read http://wiki.qgis.org/qgiswiki/Building_with_CMake
*) Make sure %QTDIR%\bin;c:\msys\local\bin;c:\msys\bin;c;\msys\mingw\bin is in your Path
*) Start a cmd.exe window ( Start -> Run -> cmd.exe ) if you don't have one already.
*) > mkdir build
*) > cd build
*) > cmakesetup ..
If asked, you should chose 'MSYS Makefiles' as generator.
All dependencies should be picked up automatically, if you have set
up the Paths correctly. The only thing you need to change is the
installation destination and/or set 'Debug'.
*) Now, start sh.exe and run 'make.exe install' from within that shell
It should now start compiling. The reason for this is that we use
the mingw compiler included in the msys tar, but that compiler is
not found from within sh.exe. (MSYS magic). So, if you delete
CMakeCache, you have to generate it from cmd.exe.
Why not run make from cmd.exe? Because creating 'qgssvnversion.h'
requires the 'mv' command...
*) Make sure to copy all .dll:s needed to the same directory as the
qgis.exe binary is installed to, if not already done so.
Create the installation package: (optional)
--------------------------------
Downlad and install NSIS from (http://nsis.sourceforge.net/Main_Page)
Download both the QGIS debug and release installer packages from
http://qgis.org/uploadfiles/testbuilds/
and install them. Now copy the installation dirs from C:\Program Files\QGIS* into
c:\dev\cpp\qgis\qgis-debug and c:\dev\cpp\qgis\qgis-release respectively. After
making these copies uninstall the release and debug versions of QGIS from
your c:\Program Files directories using the provided uninstaller. Double check
that both dirs are complete gone under program files afterwards.
Now using windows explorer, enter the c:\dev\cpp\qgis\win_build directory and right
click on qgis.nsi and choose the option 'Compile NSIS Script'. Do the same
for qgis-debug.nsi. Congratulations you should have two installable qgis
setup files in the win_build directory now..