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INSTALL.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<META NAME="generator" CONTENT="http://txt2tags.org">
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<TITLE>QGIS</TITLE>
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<DIV CLASS="header" ID="header">
<H1>QGIS</H1>
<H2>Building QGIS from source - step by step</H2>
<H3>Friday February 07, 2014</H3>
</DIV>
<DIV CLASS="body" ID="body">
<P>
Last Updated: Friday February 07, 2014
Last Change : Friday February 07, 2014
</P>
<DIV CLASS="toc">
<OL>
<LI><A HREF="#toc1">Introduction</A>
<LI><A HREF="#toc2">Overview</A>
<LI><A HREF="#toc3">Building on GNU/Linux</A>
<UL>
<LI><A HREF="#toc4">3.1. Building QGIS with Qt 4.x</A>
<LI><A HREF="#toc5">3.2. Prepare apt</A>
<LI><A HREF="#toc6">3.3. Install build dependencies</A>
<LI><A HREF="#toc7">3.4. Setup ccache (Optional)</A>
<LI><A HREF="#toc8">3.5. Prepare your development environment</A>
<LI><A HREF="#toc9">3.6. Check out the QGIS Source Code</A>
<LI><A HREF="#toc10">3.7. Starting the compile</A>
<LI><A HREF="#toc11">3.8. Building Debian packages</A>
<LI><A HREF="#toc12">3.9. A practical case: Building QGIS and GRASS from source on Ubuntu with ECW and MrSID formats support</A>
</UL>
<LI><A HREF="#toc13">Building on Windows</A>
<UL>
<LI><A HREF="#toc14">4.1. Building with Microsoft Visual Studio</A>
<LI><A HREF="#toc15">4.2. Building using MinGW</A>
<LI><A HREF="#toc16">4.3. Creation of MSYS environment for compilation of QGIS</A>
</UL>
<LI><A HREF="#toc17">Building on MacOS X</A>
<UL>
<LI><A HREF="#toc18">5.1. Install Developer Tools</A>
<LI><A HREF="#toc19">5.2. Install Qt4 from disk image</A>
<LI><A HREF="#toc20">5.3. Install CMake for OSX</A>
<LI><A HREF="#toc21">5.4. Install development frameworks for QGIS dependencies</A>
<LI><A HREF="#toc22">5.5. API documentation</A>
<LI><A HREF="#toc23">5.6. QGIS source</A>
<LI><A HREF="#toc24">5.7. Configure the build</A>
<LI><A HREF="#toc25">5.8. Building</A>
<LI><A HREF="#toc26">5.9. Post-Install</A>
</UL>
<LI><A HREF="#toc27">Setting up the WCS test server on GNU/Linux</A>
<UL>
<LI><A HREF="#toc28">6.1. Preparation</A>
<LI><A HREF="#toc29">6.2. Setup mapserver</A>
<LI><A HREF="#toc30">6.3. Create a home page</A>
<LI><A HREF="#toc31">6.4. Now deploy it</A>
<LI><A HREF="#toc32">6.5. Debugging</A>
</UL>
<LI><A HREF="#toc33">Setting up a Jenkins Build Server</A>
<LI><A HREF="#toc34">Debug output and running tests</A>
<LI><A HREF="#toc35">Authors and Acknowledgments</A>
</OL>
</DIV>
<A NAME="toc1"></A>
<H1>1. Introduction</H1>
<P>
This document is the original installation guide of the described software
QGIS. The software and hardware descriptions named in this
document are in most cases registered trademarks and are therefore subject
to the legal requirements. QGIS is subject to the GNU General Public
License. Find more information on the QGIS Homepage:
<A HREF="http://qgis.org">http://qgis.org</A>
</P>
<P>
The details, that are given in this document have been written and verified
to the best of knowledge and responsibility of the editors. Nevertheless,
mistakes concerning the content are possible. Therefore, all data are not
liable to any duties or guarantees. The editors and publishers do not take
any responsibility or liability for failures and their consequences. You are
always welcome for indicating possible mistakes.
</P>
<P>
You can download this document as part of the QGIS 'User and
Installation Guide' in HTML and PDF format via <A HREF="http://qgis.org">http://qgis.org</A>. A current
version is also available at:
<A HREF="http://htmlpreview.github.io/?https://raw.github.com/qgis/QGIS/master/doc/INSTALL.html">http://htmlpreview.github.io/?https://raw.github.com/qgis/QGIS/master/doc/INSTALL.html</A>
</P>
<P>
Translations of this document can also be downloaded at the documentation area
of the QGIS project at <A HREF="http://qgis.org">http://qgis.org</A>. More information is
available via <A HREF="http://qgis.org/en/site/getinvolved/governance/organisation/governance.html#community-resources.">http://qgis.org/en/site/getinvolved/governance/organisation/governance.html#community-resources.</A>
</P>
<P>
Please visit <A HREF="http://qgis.org">http://qgis.org</A> for information on joining our mailing lists
and getting involved in the project further.
</P>
<P>
/!\ <B>Note to document writers:</B> Please use this document as the central
place for describing build procedures. Please do not remove this notice.
</P>
<P>
/!\ <B>Note to document writers:</B> This documented is generated from
doc/INSTALL.t2t - if you need to edit this document, be sure to edit that
file rather than the generated INSTALL document found in the root of the
source directory.
</P>
<A NAME="toc2"></A>
<H1>2. Overview</H1>
<P>
QGIS, like a number of major projects (eg. KDE 4.0), uses CMake
(<A HREF="http://www.cmake.org">http://www.cmake.org</A>) for building from source.
</P>
<P>
Following a summary of the required dependencies for building:
</P>
<P>
Required build tools:
</P>
<UL>
<LI>CMake >= 2.8.0
<LI>Flex
<LI>Bison >= 2.4
</UL>
<P>
Required build deps:
</P>
<UL>
<LI>Qt >= 4.7.0
<LI>Proj >= 4.4.x
<LI>GEOS >= 3.0
<LI>Sqlite3 >= 3.0.0
<LI>GDAL/OGR >= 1.4.x
<LI>Qwt >= 5.0 & (< 6.1 with internal QwtPolar)
<LI>expat >= 1.95
</UL>
<P>
Optional dependencies:
</P>
<UL>
<LI>for GRASS plugin - GRASS >= 6.0.0 (libraries compiled with exceptions support on Linux 32bit)
<LI>for georeferencer - GSL >= 1.8
<LI>for postgis support and SPIT plugin - PostgreSQL >= 8.0.x
<LI>for gps plugin - gpsbabel
<LI>for mapserver export and PyQGIS - Python >= 2.3 (2.5+ preferred)
<LI>for python support - SIP >= 4.12, PyQt >= 4.8.3 must match Qt version, Qscintilla2
<LI>for qgis mapserver - FastCGI
</UL>
<A NAME="toc3"></A>
<H1>3. Building on GNU/Linux</H1>
<A NAME="toc4"></A>
<H2>3.1. Building QGIS with Qt 4.x</H2>
<P>
<B>Requires:</B> Ubuntu / Debian derived distro
</P>
<P>
These notes are for Ubuntu - other versions and Debian derived distros may
require slight variations in package names.
</P>
<P>
These notes are for if you want to build QGIS from source. One of the major
aims here is to show how this can be done using binary packages for <B>*all*</B>
dependencies - building only the core QGIS stuff from source. I prefer this
approach because it means we can leave the business of managing system packages
to apt and only concern ourselves with coding QGIS!
</P>
<P>
This document assumes you have made a fresh install and have a 'clean' system.
These instructions should work fine if this is a system that has already been
in use for a while, you may need to just skip those steps which are irrelevant
to you.
</P>
<P>
/!\ <B>Note:</B> Refer to the section Building Debian packages for building
debian packages. Unless you plan to develop on QGIS, that is probably the
easiest option to compile and install QGIS.
</P>
<A NAME="toc5"></A>
<H2>3.2. Prepare apt</H2>
<P>
The packages qgis depends on to build are available in the "universe" component
of Ubuntu. This is not activated by default, so you need to activate it:
</P>
<OL>
<LI>Edit your /etc/apt/sources.list file.
<LI>Uncomment all the lines starting with "deb"
<P></P>
Also you will need to be running (K)Ubuntu 'edgy' or higher in order for
all dependencies to be met.
<P></P>
Now update your local sources database:
<P></P>
<div class="code"><PRE>
sudo apt-get update
</PRE></div>
</OL>
<A NAME="toc6"></A>
<H2>3.3. Install build dependencies</H2>
<TABLE BORDER="1">
<TR>
<TH>Distribution</TH>
<TH>install command for packages</TH>
</TR>
<TR>
<TD>precise</TD>
<TD><CODE>apt-get install bison cmake doxygen flex git graphviz grass-dev libexpat1-dev libfcgi-dev libgdal-dev libgeos-dev libgsl0-dev libopenscenegraph-dev libosgearth-dev libpq-dev libproj-dev libqt4-dev libqt4-opengl-dev libqtwebkit-dev libqwt5-qt4-dev libspatialindex-dev libspatialite-dev libsqlite3-dev pkg-config pyqt4-dev-tools python python-dev python-qt4 python-qt4-dev python-sip python-sip-dev txt2tags xauth xfonts-100dpi xfonts-75dpi xfonts-base xfonts-scalable xvfb</CODE></TD>
</TR>
<TR>
<TD>quantal</TD>
<TD><CODE>apt-get install bison cmake doxygen flex git graphviz grass-dev libexpat1-dev libfcgi-dev libgdal1-dev libgeos-dev libgsl0-dev libopenscenegraph-dev libosgearth-dev libpq-dev libproj-dev libqt4-dev libqt4-opengl-dev libqtwebkit-dev libqwt-dev libspatialindex-dev libspatialite-dev libsqlite3-dev pkg-config pyqt4-dev-tools python python-dev python-qt4 python-qt4-dev python-sip python-sip-dev txt2tags xauth xfonts-100dpi xfonts-75dpi xfonts-base xfonts-scalable xvfb</CODE></TD>
</TR>
<TR>
<TD>raring</TD>
<TD><CODE>apt-get install bison cmake doxygen flex git graphviz grass-dev libexpat1-dev libfcgi-dev libgdal-dev libgeos-dev libgsl0-dev libopenscenegraph-dev libosgearth-dev libpq-dev libproj-dev libpython2.7-dev libqt4-dev libqt4-opengl-dev libqtwebkit-dev libqwt5-qt4-dev libspatialindex-dev libspatialite-dev libsqlite3-dev pkg-config pyqt4-dev-tools python python-dev python-qt4 python-qt4-dev python-sip python-sip-dev txt2tags xauth xfonts-100dpi xfonts-75dpi xfonts-base xfonts-scalable xvfb</CODE></TD>
</TR>
<TR>
<TD>saucy</TD>
<TD><CODE>apt-get install bison cmake doxygen flex git graphviz grass-dev libexpat1-dev libfcgi-dev libgdal-dev libgeos-dev libgsl0-dev libopenscenegraph-dev libosgearth-dev libpq-dev libproj-dev libpython2.7-dev libqt4-dev libqt4-opengl-dev libqtwebkit-dev libqwt5-qt4-dev libspatialindex-dev libspatialite-dev libsqlite3-dev pkg-config pyqt4-dev-tools python python-dev python-qt4 python-qt4-dev python-sip python-sip-dev txt2tags xauth xfonts-100dpi xfonts-75dpi xfonts-base xfonts-scalable xvfb</CODE></TD>
</TR>
<TR>
<TD>wheezy</TD>
<TD><CODE>apt-get install bison cmake doxygen flex git graphviz grass-dev libexpat1-dev libfcgi-dev libgdal1-dev libgeos-dev libgsl0-dev libopenscenegraph-dev libosgearth-dev libpq-dev libproj-dev libqt4-dev libqt4-opengl-dev libqtwebkit-dev libqwt-dev libspatialindex-dev libspatialite-dev libsqlite3-dev pkg-config pyqt4-dev-tools python python-dev python-qt4 python-qt4-dev python-sip python-sip-dev txt2tags xauth xfonts-100dpi xfonts-75dpi xfonts-base xfonts-scalable xvfb</CODE></TD>
</TR>
<TR>
<TD>jessie</TD>
<TD><CODE>apt-get install bison cmake flex grass-dev libexpat1-dev libfcgi-dev libgdal1-dev libgeos-dev libgsl0-dev libpq-dev libproj-dev libqt4-dev libqt4-opengl-dev libqtwebkit-dev libqwt-dev libspatialindex-dev libspatialite-dev libsqlite3-dev pkg-config pyqt4-dev-tools python python-dev python-qt4 python-qt4-dev python-sip python-sip-dev</CODE></TD>
</TR>
<TR>
<TD>sid</TD>
<TD><CODE>apt-get install bison cmake doxygen flex git graphviz grass-dev libexpat1-dev libfcgi-dev libgdal-dev libgeos-dev libgsl0-dev libopenscenegraph-dev libosgearth-dev libpq-dev libproj-dev libqt4-dev libqt4-opengl-dev libqtwebkit-dev libqwt-dev libspatialindex-dev libspatialite-dev libsqlite3-dev pkg-config pyqt4-dev-tools python-all python-all-dev python-qt4 python-qt4-dev python-sip python-sip-dev txt2tags xauth xfonts-100dpi xfonts-75dpi xfonts-base xfonts-scalable xvfb</CODE></TD>
</TR>
</TABLE>
<P>
(extracted from the respective control files in <CODE>debian/</CODE>)
</P>
<P>
/!\ <B>A Special Note:</B> If you are following this set of instructions on
a system where you already have Qt3 development tools installed, there will
be a conflict between Qt3 tools and Qt4 tools. For example, qmake will
point to the Qt3 version, not the Qt4. Ubuntu Qt4 and Qt3 packages are
designed to live alongside each other. This means that, for example, if you
have them both installed, you will have three qmake exe's:
</P>
<div class="code"><PRE>
/usr/bin/qmake -> /etc/alternatives/qmake
/usr/bin/qmake-qt3
/usr/bin/qmake-qt4
</PRE></div>
<P>
The same applies to all other Qt binaries. You will notice above that the
canonical 'qmake' is managed by apt alternatives, so before we start to
build QGIS, we need to make Qt4 the default. To return Qt3 to default later
you can use this same process.
</P>
<P>
You can use apt alternatives to correct this so that the Qt4 version of
applications is used in all cases:
</P>
<div class="code"><PRE>
sudo update-alternatives --config qmake
sudo update-alternatives --config uic
sudo update-alternatives --config designer
sudo update-alternatives --config assistant
sudo update-alternatives --config qtconfig
sudo update-alternatives --config moc
sudo update-alternatives --config lupdate
sudo update-alternatives --config lrelease
sudo update-alternatives --config linguist
</PRE></div>
<P>
Use the simple command line dialog that appears after running each of the
above commands to select the Qt4 version of the relevant applications.
</P>
<P>
/!\ Note: For python language bindings. If your distributions ships with older
versions of SIP or PyQt4 than specified in Section 2: Overview, you will need
to build and install those packages from source if you want to include support
for python language bindings.
</P>
<A NAME="toc7"></A>
<H2>3.4. Setup ccache (Optional)</H2>
<P>
You should also setup ccache to speed up compile times:
</P>
<div class="code"><PRE>
cd /usr/local/bin
sudo ln -s /usr/bin/ccache gcc
sudo ln -s /usr/bin/ccache g++
</PRE></div>
<A NAME="toc8"></A>
<H2>3.5. Prepare your development environment</H2>
<P>
As a convention I do all my development work in $HOME/dev/<language>, so in
this case we will create a work environment for C++ development work like
this:
</P>
<div class="code"><PRE>
mkdir -p ${HOME}/dev/cpp
cd ${HOME}/dev/cpp
</PRE></div>
<P>
This directory path will be assumed for all instructions that follow.
</P>
<A NAME="toc9"></A>
<H2>3.6. Check out the QGIS Source Code</H2>
<P>
There are two ways the source can be checked out. Use the anonymous method
if you do not have edit privileges for the QGIS source repository, or use
the developer checkout if you have permissions to commit source code
changes.
</P>
<P>
1. Anonymous Checkout
</P>
<div class="code"><PRE>
cd ${HOME}/dev/cpp
git clone git://github.com/qgis/QGIS.git
</PRE></div>
<P>
2. Developer Checkout
</P>
<div class="code"><PRE>
cd ${HOME}/dev/cpp
git clone git@github.com:qgis/QGIS.git
</PRE></div>
<A NAME="toc10"></A>
<H2>3.7. Starting the compile</H2>
<P>
I compile my development version of QGIS into my ~/apps directory to avoid
conflicts with Ubuntu packages that may be under /usr. This way for example
you can use the binary packages of QGIS on your system along side with your
development version. I suggest you do something similar:
</P>
<div class="code"><PRE>
mkdir -p ${HOME}/apps
</PRE></div>
<P>
Now we create a build directory and run ccmake:
</P>
<div class="code"><PRE>
cd QGIS
mkdir build-master
cd build-master
ccmake ..
</PRE></div>
<P>
When you run ccmake (note the .. is required!), a menu will appear where
you can configure various aspects of the build. If you do not have root
access or do not want to overwrite existing QGIS installs (by your
packagemanager for example), set the CMAKE_INSTALL_PREFIX to somewhere you
have write access to (I usually use ${HOME}/apps). Now press
'c' to configure, 'e' to dismiss any error messages that may appear.
and 'g' to generate the make files. Note that sometimes 'c' needs to
be pressed several times before the 'g' option becomes available.
After the 'g' generation is complete, press 'q' to exit the ccmake
interactive dialog.
</P>
<P>
Now on with the build:
</P>
<div class="code"><PRE>
make
make install
</PRE></div>
<P>
It may take a little while to build depending on your platform.
</P>
<P>
After that you can try to run QGIS:
</P>
<div class="code"><PRE>
$HOME/apps/bin/qgis
</PRE></div>
<P>
If all has worked properly the QGIS application should start up and appear
on your screen.
</P>
<A NAME="toc11"></A>
<H2>3.8. Building Debian packages</H2>
<P>
Instead of creating a personal installation as in the previous step you can
also create debian package. This is done from the qgis root directory, where
you'll find a debian directory.
</P>
<P>
First you need to install the debian packaging tools once:
</P>
<div class="code"><PRE>
apt-get install build-essential
</PRE></div>
<P>
First you need to create an changelog entry for your distribution. For example for Ubuntu Lucid:
</P>
<div class="code"><PRE>
dch -l ~lucid --force-distribution --distribution lucid "lucid build"
</PRE></div>
<P>
The QGIS packages will be created with:
</P>
<div class="code"><PRE>
dpkg-buildpackage -us -uc -b
</PRE></div>
<P>
/!\ <B>Note:</B> If <CODE>dpkg-buildpackage</CODE> complains about unmet build dependencies
you can install them using <CODE>apt-get</CODE> and re-run the command.
</P>
<P>
/!\ <B>Note:</B> If you have <CODE>libqgis1-dev</CODE> installed, you need to remove it first
using <CODE>dpkg -r libqgis1-dev</CODE>. Otherwise <CODE>dpkg-buildpackage</CODE> will complain about a
build conflict.
</P>
<P>
/!\ <B>Note:</B> By default tests are run in the process of building and their
results are uploaded to <A HREF="http://dash.orfeo-toolbox.org/index.php?project=QGIS.">http://dash.orfeo-toolbox.org/index.php?project=QGIS.</A>
You can turn the tests off using DEB_BUILD_OPTIONS=nocheck in front of the
build command. The upload of results can be avoided with DEB_TEST_TARGET=test.
</P>
<P>
The packages are created in the parent directory (ie. one level up).
Install them using dpkg. E.g.:
</P>
<div class="code"><PRE>
sudo debi
</PRE></div>
<A NAME="toc12"></A>
<H2>3.9. A practical case: Building QGIS and GRASS from source on Ubuntu with ECW and MrSID formats support</H2>
<P>
The following procedure has been tested on Ubuntu 8.04, 8.10 and 9.04 32bit. If
you want to use different versions of the software (gdal, grass, qgis), just
make the necessary adjustments to the following code. This guide assumes that
you don't have installed any previous version of gdal, grass and qgis.
</P>
<H3>3.9.1. Step 1: install base packages</H3>
<P>
First you need to install the necessary packages required to download the source
code and compile it. Open the terminal and issue the following command:
</P>
<div class="code"><PRE>
sudo apt-get install build-essential g++ subversion
</PRE></div>
<H3>3.9.2. Step 2: compile and install the ecw libraries</H3>
<P>
Go to the ERDAS web site <A HREF="http://www.erdas.com/">http://www.erdas.com/</A> and follow the links
"'products --> ECW JPEG2000 Codec SDK --> downloads'"
then download the "'Image Compression SDK Source Code 3.3'" (you'll need to make a registration
and accept a license).
</P>
<P>
Uncompress the archive in a proper location (this guide assumes
that all the downloaded source code will be placed in the user home)
and the enter the newly created folder
</P>
<div class="code"><PRE>
cd /libecwj2-3.3
</PRE></div>
<P>
Compile the code with the standard commands
</P>
<div class="code"><PRE>
./configure
</PRE></div>
<P>
then
</P>
<div class="code"><PRE>
make
</PRE></div>
<P>
then
</P>
<div class="code"><PRE>
sudo make install
</PRE></div>
<P>
leave the folder
</P>
<div class="code"><PRE>
cd ..
</PRE></div>
<H3>3.9.3. Step 3: download the MrSID binaries</H3>
<P>
Go to the LIZARDTECH web site <A HREF="http://www.lizardtech.com/">http://www.lizardtech.com/</A> and follow the links
"'download --> Developer SDKs'",
then download the "'GeoExpress SDK for Linux (x86) - gcc 4.1 32-bit'"
(you'll need to make a registration and accept a license).
</P>
<P>
Uncompress the downloaded file. The resulting directory name should be similar to "Geo_DSDK-7.0.0.2167"
</P>
<H3>3.9.4. Step 4: compile and install the gdal libraries</H3>
<P>
Download the latest gdal source code
</P>
<div class="code"><PRE>
svn checkout https://svn.osgeo.org/gdal/trunk/gdal gdal
</PRE></div>
<P>
then copy a few files from the MrSID binaries folder to the folder with the gdal source code
('replace "USERNAME" with your actual account username')
</P>
<div class="code"><PRE>
cp /home/USERNAME/Geo_DSDK-7.0.0.2167/include/*.* /home/USERNAME/gdal/frmts/mrsid/
</PRE></div>
<P>
enter the gdal source code folder
</P>
<div class="code"><PRE>
cd /gdal
</PRE></div>
<P>
and run configure with a few specific parameters
</P>
<div class="code"><PRE>
./configure --without-grass --with-mrsid=../Geo_DSDK-7.0.0.2167 --without-jp2mrsid
</PRE></div>
<P>
at the end of the configuration process you should read something like
</P>
<div class="code"><PRE>
...
GRASS support: no
...
...
...
ECW support: yes
MrSID support yes
...
</PRE></div>
<P>
then compile normally
</P>
<div class="code"><PRE>
make
</PRE></div>
<P>
and
</P>
<div class="code"><PRE>
sudo make install
</PRE></div>
<P>
finish the process by creating the necessary links to the most recent shared libraries
</P>
<div class="code"><PRE>
sudo ldconfig
</PRE></div>
<P>
at this point you may want to check if gdal was compiled correctly with MrSID and ECW
support by issuing one (or both) of the following commands
</P>
<div class="code"><PRE>
gdalinfo --formats | grep 'ECW'
</PRE></div>
<div class="code"><PRE>
gdalinfo --formats | grep 'SID'
</PRE></div>
<P>
leave the folder
</P>
<div class="code"><PRE>
cd ..
</PRE></div>
<H3>3.9.5. Step 5: compile and install GRASS</H3>
<P>
Before downloading and compile GRASS source code you need to install a few
other libraries and programs. We can do this through apt
</P>
<div class="code"><PRE>
sudo apt-get install flex bison libreadline5-dev libncurses5-dev lesstif2-dev \
debhelper dpatch libtiff4-dev tcl8.4-dev tk8.4-dev fftw-dev xlibmesa-gl-dev \
libfreetype6-dev autoconf2.13 autotools-dev libgdal1-dev proj libjpeg62-dev \
libpng12-dev libpq-dev unixodbc-dev doxygen fakeroot cmake python-dev \
python-qt4-common python-qt4-dev python-sip4 python2.5-dev sip4 libglew1.5-dev \
libxmu6 \ libqt4-dev libgsl0-dev python-qt4 swig python-wxversion \
python-wxgtk2.8 libwxgtk2.8-0 libwxbase2.8-0 tcl8.4-dev tk8.4-dev tk8.4 \
libfftw3-dev libfftw3-3
</PRE></div>
<P>
At this point we can get the GRASS source code: you may want to download it
through svn or maybe you want just to download the latest available source code
archive. For example the GRASS 6.4rc4 is available at
<A HREF="http://grass.itc.it/grass64/source/grass-6.4.0RC4.tar.gz">http://grass.itc.it/grass64/source/grass-6.4.0RC4.tar.gz</A>
</P>
<P>
Uncompress the archive, enter the newly created folder and run configure with a few specific parameters
</P>
<div class="code"><PRE>
CFLAGS="-fexceptions" ./configure \
--with-tcltk-includes=/usr/include/tcl8.4 \
--with-proj-share=/usr/share/proj \
--with-gdal=/usr/local/bin/gdal-config \
--with-python=/usr/bin/python2.5-config
</PRE></div>
<P>
The additional gcc option -fexceptions is necessary to enable exceptions
support in GRASS libraries. It is currently the only way to avoid QGIS crashes
if a fatal error happens in GRASS library. See also
<A HREF="http://trac.osgeo.org/grass/ticket/869">http://trac.osgeo.org/grass/ticket/869</A>
</P>
<P>
Then as usual (it will take a while)
</P>
<div class="code"><PRE>
make
</PRE></div>
<P>
and
</P>
<div class="code"><PRE>
sudo make install
</PRE></div>
<P>
leave the folder
</P>
<div class="code"><PRE>
cd ..
</PRE></div>
<P>
you have now compiled and installed GRASS (also with the new wxpyhton interface) so you
may want to give it a try
</P>
<div class="code"><PRE>
grass64 -wxpython
</PRE></div>
<H3>3.9.6. Step 6: Compile and install QGIS</H3>
<P>
As for GRASS you can obtain the QGIS source code from different sources as described
in section 2 above. Once you have the sources, create a build directory in them:
</P>
<div class="code"><PRE>
cd QGIS
mkdir build
cd build
</PRE></div>
<P>
then run ccmake
</P>
<div class="code"><PRE>
ccmake ..
</PRE></div>
<P>
Press the "c" key to do an initial configure.
Press the "c" again and the option "Press [g] to generate and exit" will appear.
Press the "g" key to generate and exit.
</P>
<P>
then as usual (it will take a while)
</P>
<div class="code"><PRE>
make
</PRE></div>
<P>
and
</P>
<div class="code"><PRE>
sudo make install
</PRE></div>
<P>
At the end of the process you should have QGIS and GRASS working with MrSID and ECW
raster format support.
</P>
<P>
To run QGIS just use this command
</P>
<div class="code"><PRE>
qgis
</PRE></div>
<A NAME="toc13"></A>
<H1>4. Building on Windows</H1>
<A NAME="toc14"></A>
<H2>4.1. Building with Microsoft Visual Studio</H2>
<P>
This section describes how to build QGIS using Visual Studio on Windows. This
is currently also how the binary QGIS packages are made (earlier versions used
MinGW).
</P>
<P>
This section describes the setup required to allow Visual Studio to be used to
build QGIS.
</P>
<H3>4.1.1. Visual C++ Express Edition</H3>
<P>
The free (as in free beer) Express Edition installer is available under:
</P>
<BLOCKQUOTE>
<A HREF="http://download.microsoft.com/download/d/c/3/dc3439e7-5533-4f4c-9ba0-8577685b6e7e/vcsetup.exe">http://download.microsoft.com/download/d/c/3/dc3439e7-5533-4f4c-9ba0-8577685b6e7e/vcsetup.exe</A>
</BLOCKQUOTE>
<P>
The optional products are not necessary. In the process the Windows SDKs for
Visual Studio 2008 will also be downloaded and installed.
</P>
<P>
You also need the Microsoft Windows Server® 2003 R2 Platform SDK (for setupapi):
</P>
<BLOCKQUOTE>
<A HREF="http://download.microsoft.com/download/f/a/d/fad9efde-8627-4e7a-8812-c351ba099151/PSDK-x86.exe">http://download.microsoft.com/download/f/a/d/fad9efde-8627-4e7a-8812-c351ba099151/PSDK-x86.exe</A>
</BLOCKQUOTE>
<P>
You only need Microsoft Windows Core SDK / Build Environment (x86 32-Bit).
</P>
<H3>4.1.2. Other tools and dependencies</H3>
<P>
Download and install following packages:
</P>
<TABLE BORDER="1">
<TR>
<TH>Tool</TH>
<TH>Website</TH>
</TR>
<TR>
<TD>CMake</TD>
<TD><A HREF="http://www.cmake.org/files/v2.8/cmake-2.8.4-win32-x86.exe">http://www.cmake.org/files/v2.8/cmake-2.8.4-win32-x86.exe</A></TD>
</TR>
<TR>
<TD>Flex</TD>
<TD><A HREF="http://gnuwin32.sourceforge.net/downlinks/flex.php">http://gnuwin32.sourceforge.net/downlinks/flex.php</A></TD>
</TR>
<TR>
<TD>Bison</TD>
<TD><A HREF="http://gnuwin32.sourceforge.net/downlinks/bison.php">http://gnuwin32.sourceforge.net/downlinks/bison.php</A></TD>
</TR>
<TR>
<TD>SVN</TD>
<TD><A HREF="http://sourceforge.net/projects/win32svn/files/1.6.13/Setup-Subversion-1.6.13.msi/download">http://sourceforge.net/projects/win32svn/files/1.6.13/Setup-Subversion-1.6.13.msi/download</A></TD>
</TR>
<TR>
<TD>or GIT</TD>
<TD><A HREF="http://msysgit.googlecode.com/files/Git-1.7.4-preview20110204.exe">http://msysgit.googlecode.com/files/Git-1.7.4-preview20110204.exe</A></TD>
</TR>
<TR>
<TD>OSGeo4W</TD>
<TD><A HREF="http://download.osgeo.org/osgeo4w/osgeo4w-setup.exe">http://download.osgeo.org/osgeo4w/osgeo4w-setup.exe</A></TD>
</TR>
</TABLE>
<P>
OSGeo4W does not only provide ready packages for the current QGIS release and
nightly builds of the trunk, but also offers most of the dependencies needs to
build it.
</P>
<P>
For the QGIS build you need to install following packages from OSGeo4W (select
<I>Advanced Installation</I>):
</P>
<UL>
<LI>expat
<LI>fcgi
<LI>gdal
<LI>grass
<LI>gsl-devel
<LI>iconv
<LI>pyqt4
<LI>qt4-devel
<LI>qwt5-devel-qt4
<LI>sip
<LI>spatialite
<LI>libspatialindex-devel
<LI>python-qscintilla
</UL>
<P>
This will also select packages the above packages depend on.
</P>
<P>
Additionally QGIS also needs the include file <CODE>unistd.h</CODE>, which normally
doesn't exist on Windows. It's shipped with Flex/Bison in <CODE>GnuWin32\include</CODE>
and needs to be copied into the <CODE>VC\include</CODE> directory of your Visual C++
installation.
</P>
<P>
Earlier versions of this document also covered how to build all above
dependencies. If you're interested in that, check the history of this page in the Wiki
or the SVN repository.
</P>
<H3>4.1.3. Setting up the Visual Studio project with CMake</H3>
<P>
To start a command prompt with an environment that both has the VC++ and the OSGeo4W
variables create the following batch file (assuming the above packages were
installed in the default locations):
</P>
<div class="code"><PRE>
@echo off
path %SYSTEMROOT%\system32;%SYSTEMROOT%;%SYSTEMROOT%\System32\Wbem;%PROGRAMFILES%\CMake 2.8\bin;%PROGRAMFILES%\subversion\bin;%PROGRAMFILES%\GnuWin32\bin
set PYTHONPATH=
set VS90COMNTOOLS=%PROGRAMFILES%\Microsoft Visual Studio 9.0\Common7\Tools\
call "%PROGRAMFILES%\Microsoft Visual Studio 9.0\VC\vcvarsall.bat" x86
set INCLUDE=%INCLUDE%;%PROGRAMFILES%\Microsoft Platform SDK for Windows Server 2003 R2\include
set LIB=%LIB%;%PROGRAMFILES%\Microsoft Platform SDK for Windows Server 2003 R2\lib
set OSGEO4W_ROOT=C:\OSGeo4W
call "%OSGEO4W_ROOT%\bin\o4w_env.bat"
@set GRASS_PREFIX=c:/OSGeo4W/apps/grass/grass-6.4.0
@set INCLUDE=%INCLUDE%;%OSGEO4W_ROOT%\include
@set LIB=%LIB%;%OSGEO4W_ROOT%\lib;%OSGEO4W_ROOT%\lib