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| == How I built MapServer for CDS ==
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| === Installation ===
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| The INSTALL file has this text in it: "Visit http://mapserver.gis.umn.edu/ for full documentation and installation instructions." It took me a good 30 minutes to find any useful documentation at the UMN site!
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| Look in their [http://mapserver.gis.umn.edu/cgi-bin/wiki.pl MapServerWiki].
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| Here is a doc on [http://mapserver.gis.umn.edu/cgi-bin/wiki.pl?MapServerCompilation MapServerCompilation]
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| Install the packages in the prerequisites section first, and then
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| build things in the order presented here, as there are interdependencies.
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| php
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| proj
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| gdal (and ogr)
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| and finally
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| MapServer
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|
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| === Prerequisites ===
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| Once you have the pieces installed, actually building MapServer is easy.
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| I built PHP/Mapscript to run under Apache 2.0.54 on a system based on
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| [http://www.trustix.org/ Trustix Linux] 2.2. (This happens to be the system most readily available at the moment.) I have TSL 2.2 or 3.0 on all my servers.
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| For performance reasons I want to use PHP as a loadable module so I am
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| building PHP/Mapscript.
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| Software development packages you will need include
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| flex
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| gcc
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| gcc-c++-devel
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| glibc-devel
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| make
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| Relevant packages that need to be installed with TSL 2.2 include, from a to z,
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| apache apache-devel
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| freetype freetype-devel
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| gd gd-devel
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| libjpeg libjpeg-devel
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| libpng libpng-devel
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| libtiff libtiff-devel
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| mysql-client
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| mysql-devel
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| xorg-x11-libs xorg-x11-devel
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| zlib zlib-devel
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| There are probably a few that I missed. If you use the swup tool with TSL, it will resolve and automatically install other packages that depend on these.
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| To build PHP and MapServer, you need the '*-devel' packages. Running only requires the base packages.
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| The MySQL packages are only needed if you want to use MySQL. The xorg packages have many other things in them, but they are needed to build the XPM bitmap support which is mostly unneeded, I suppose.
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| === PHP ===
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| I get the source for PHP 4.4.x from http://www.php.net/
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| Yes, I know version 5 is available, but MapServer does not support it yet.
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| The options I used for the PHP configure script are:
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| ./configure \
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| --with-apxs2 \
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| --with-pear \
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| --with-gd --enable-gd-imgstrttf --with-freetype-dir=/usr \
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| --with-png-dir=/usr \
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| --with-xpm-dir=/usr/X11R6 \ ''this is probably not needed''
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| --enable-gd-native-ttf \
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| --with-zlib \
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| --with-gettext \
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| --with-xml \
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| --with-mysql ''only if you want builtin mysql support''
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| [[Note on configure files]]
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| Then the usual
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| make
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| su
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| make install
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| The 'make install' step will modify your httpd.conf file to include the module
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| but you have to restart apache completely ('apachectl restart' will not work.)
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| apachectl stop
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| apachectl restart
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| If you create a file containing <code><?php phpinfo(); ?></code>
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| and put it in your Web server somewhere, you can test your PHP installation and see what is enabled and see many many other details. Here is my example: http://neptune.cds1.net/phpinfo.php
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|
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| === MapServer supporting cast of characters ===
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| ==== Projections ====
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| Projection transforms are handled by [http://proj.maptools.org/ PROJ]
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| which is currently at revision 4.4.9
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| Proj includes a library for performing respective forward and inverse transformation of cartographic data to or from cartesian data with a wide range of selectable projection functions.
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| Once you've plowed through the PHP build, it's almost not worth trying to find a pre-built package. You do need the g++ compiler which is in the '''gcc-c++-devel''' package. Then it's just a matter of downloading and unpacking the proj tar file and doing the traditional
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| ./configure
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| make
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| su
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| make install
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| ==== Raster and vector file support ====
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| GDAL is for raster files, OGR is for vector files.
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| '''GDAL''' is the "Geospatial Data Abstraction Library".
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| GDAL is a translator library for [http://www.gdal.org/formats_list.html raster geospatial data formats].
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| Again, there might be a gdal pre-built package for TSL but what the heck, it is easy to build from sources, you get the latest version that way, and you don't waste time messing around with figuring out which Redhat version works on TSL.
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| As of today version 1.3.0 is available from http://www.gdal.org/dl/<br>
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| The [http://ogr.maptools.org/ OGR] library is a subcomponent of GDAL so you don't need to worry about it if you install GDAL. The OGR Simple Features Library allows MapServer users to display several types of vector data files in their native formats. For example, MapInfo Mid/Mif and TAB data do not need to be converted to ESRI shapefiles when using OGR support with MapServer.
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| I built the entire GDAL package with './configure; make; su; make install'
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| It takes a long time to build GDAL and OGR unless you have a modern, fast computer. It's a big collection of tools.
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| === Building MapServer ===
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| As of this writing, I am building with source version 4.6.1.
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| The configuration I used for the actual MapServer build looks like this:
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| ./configure \
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| --with-httpd=/usr/sbin/httpd \
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| --with-gd \
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| --with-freetype \
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| --with-jpeg \
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| --with-png \
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| --with-tiff \
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| --with-proj \
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| --with-ogr=/usr/local/bin/gdal-config \
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| --with-gdal=/usr/local/bin/gdal-config \
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| --with-wfs \
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| --with-php=../php-4.4.0
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| This builds both the CGI executable 'mapserv' and the PHP/Mapscript module.
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| There are options to build for other languages including java, perl, python, ruby, and tcl. I might try the python variant soon since I am already using it on the Windows side. If so, I will update this document.
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| There is no 'make install' option for MapServer. You have to manually copy the files to the correct places. For my system the commands are
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| cp mapserv /home/httpd/cgi-bin/
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| mkdir /usr/local/lib/php/extensions
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| cp mapscript/php3/php_mapscript.so /usr/local/lib/php/extensions
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| The first line will install the CGI executable, which is not really the exciting part. But you can test it immediately without any input; here is my copy: http://neptune.cds1.net/cgi-bin/mapserv
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| If you just installed php you probably don't have any extensions, so you have add a directory in which to store them. Then you have to put the mapscript module there.
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| The module will not be loaded unless you add a line in php.ini (mine is in /usr/local/lib) thusly:
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| extension=php_mapscript.so
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| There are several map services such as WMS and WCS that I choose not to build yet as I am not using them.
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| If you have the right proprietary libraries you can build versions of MapServer that support MrSID and ArcSDE.
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