Getting Lazarus

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Download and install Lazarus release version

From SourceForge

Binary releases for various platforms are available via the Lazarus Sourceforge download area.

For people who are blocked by SF, the Lazarus releases from sourceforge are mirrored at:

Specific for platform

Get Lazarus for Windows - use the Sourceforge link above.

Get Lazarus for Ubuntu

Get Lazarus for Fedora

Get Lazarus for Suse

Get Lazarus for Mandriva

Get Lazarus for Raspberry Pi (Raspbian)

Get Lazarus for Mac

Lazarus on Solaris

Getting SVN

TortoiseSVN client

TortoiseSVN Client is for Windows only. You may download it from http://tortoisesvn.tigris.org/.

This page demonstrates how to download and update Lazarus SVN source, but it can be used for FPC source in the same way.

Other clients

A SVN command line client is available from the official SVN website for many platforms.

On Linux, it is recommended to install subversion using the package management system offered by your distribution. For example:

sudo apt-get install subversion

Getting Lazarus SVN development version

Using the command line

To get Lazarus for the first time:

Open a terminal/command prompt, change to the directory you wish the Lazarus folder to be created in and type:

 svn co http://svn.freepascal.org/svn/lazarus/trunk lazarus

To update Lazarus sources:

Open a terminal/command prompt, change to the lazarus directory and type:

 svn update

For compiling see here.

Alternative URLs

Sometimes the URL of repository given above does not work, because between the svn server there is a http-proxy server. That server usually claims to be a 'transparent' proxy, but still doesn't pass your svn commands correctly to the svn.freepascal.org server.

The svn.freepascal.org server also listens on port 8080. Maybe the proxy doesn't interfere with http trafic on that port, so you can try:

svn co http://svn.freepascal.org:8080/svn/lazarus/trunk lazarus 

The Lazarus svn repostory is mirrored on sourceforge with a delay of 3 minutes using svnsync. The sourceforge repository uses the https protocol. Proxy servers usually don't interfere with that protocol. You can check out form sourceforge using the following command

svn co https://lazarus.svn.sourceforge.net/svnroot/lazarus/trunk lazarus

The FPC and Lazarus svn repostories are also mirrored to svn2.freepascal.org. You can check out from svn2.freepascal.org with

svn co http://svn2.freepascal.org/svn/lazarus/trunk lazarus

If you own the proxy server, or are friends with the person who does, there are details of setting up a proxy to pass svn commands here: http://subversion.tigris.org/faq.html#proxy This contains an example for squid. Remember to set up the client to use the proxy ! (For TortoiseSVN, see settings/network).

Scripts

There are scripts for Windows and Linux to automate downloading and building Lazarus: Scripts for Lazarus

There is also a tool built with FPC/Lazarus that does this for you; see fpcup

Compiling and installing Lazarus

See Installing Lazarus - a detailed installation guide, or http://www.stack.nl/~marcov/buildfaq.pdf - still more detailed guide.

Using the command-line

Lazarus is shipped with Makefile for gnu make util. (Be warned, if you also have Codegear (or Borland) tools installed, it might conflict with gnu "make" util).

The tool allows you to compile the lazarus from command-line easily. You need to have fpc and fpc-packages installed and configured first.

To compile go to Lazarus directory in your terminal and type

 make

This should rebuild LCL and Lazarus IDE (with basic packages installed).


Using a batch script in Windows

In Windows one convenient way to compile Lazarus SVN is to first install a Lazarus release version, and then create and run the following batch script from your directory where lazarus trunk is:

SET PATH=C:\Programas\lazarus31\fpc\2.6.1\bin\i386-win32\
make bigide
pause

Adapt the script to the path of your installed Lazarus and the FPC that comes inside it.

Remember to then run Lazarus from SVN only with the option --pcp=lazarusconf because you will have multiple Lazarus installed in this solution.

Make targets

To see a list of available targets for make type make help. Note: "make help" exists since 1.0. Here is the output of "make help":

 Main targets
                  Without any target, target 'all' will be invoked.
   all            build minimal IDE, lazbuild, startlazarus.
   clean          deletes files that 'all' creates
   lazbuild       build lazbuild and lcl with nogui widgetset
   bigide         as all, except that the IDE is built with a lot of extra packages
   useride        calls lazbuild to build an IDE with your active profile, requires lazbuild

 Sub targets
   registration   build package FCL
   lazutils       build package LazUtils, requires registration
   codetools      build package CodeTools, requires lazutils
   lcl            build package LCL, requires lazutils
   tools          build lazres, svn2revisioninc, updatepofiles, lrstolfm, requires LCL with nogui widgetset
   ideintf        build package IDEIntf, requires lcl
   basecomponents build synedit and lazcontrols for the LCL_PLATFORM, requires ideintf
   bigidecomponents build many extra packages for the LCL_PLATFORM, requires basecomponents
   starter        build startlazarus, requires basecomponents
   examples       build basic examples, requires basecomponents
                  Note: There are more examples having their own directory

 Usage examples:

 Updating svn and build a minimal IDE, startlazarus and lazbuild:
   make clean
   svn up
   make clean all

 Note: You can start lazarus with 'startlazarus'
 Note: Use the IDE or lazbuild to compile your projects/packages.

 Updating svn and build an IDE with your last set of packages:
   make clean
   svn up
   make clean lazbuild useride

 Clean up:
  There is no command to clean up a svn repository completely, but
  you can use the following command under Linux/OS X:
  svn status | grep '\?' | sed -e 's/\? *//' | xargs rm -r

Make parameters

There're also additional parameters, can be used for 'making' Lazarus.

  • OPT=%compiler_switches

the %compiler_switches is passed to each fpc call. The option is useful for specifying defines

For example:

 make bigide OPT="-dNoGdkPixBufLib -gw2" 

makes LCL and ide with NoGdkPixBufLib defined and dwarf2 debug info.

  • LCL_PLATFORM=%platform

%platform is the target widgetset. It can be win32,wince,gtk,gtk2,qt,carbon,cocoa,customdrawn.

For example:

 make LCL_PLATFORM=gtk2

Rebuilds LCL and IDE for gtk2 widgetset

  • FPC=%compiler_path

or

  • PP=%compiler_path

%compiler_path is the path to a custom compiler binary you want to build the target with.

Getting FPC SVN development version

Here are some hints how to get and install the development version of FPC (at the moment 2.5.1), which contains new features, bug fixes but is less stable and contains new bugs. The compiler is not included in the Lazarus SVN, but has its own FPC SVN. You must install first the latest released FPC. Download it from here http://sourceforge.net/projects/freepascal/ and install, or see more details here: Installing the Free Pascal Compiler.

Then create a directory and download FPC from SVN:

mkdir -p ~/freepascal
cd ~/freepascal
svn co http://svn.freepascal.org/svn/fpc/trunk fpc

This will take some time.

You can also use TortoiseSVN client on Windows as explained earlier.

Compiling and installing FPC

There are many ways to compile and install FPC.

  • Use plain make.
  • Build a FPC package for your Linux distribution (.deb or .rpm file). The package allows to easily uninstall, upgrade and downgrade FPC and makes sure that all files are installed at the common places. So if something goes wrong, other users know how to help you.

In either case Lazarus must finally be configured for the new FPC.

Building and installing Free Pascal in UNIXe

The following instructions work in UNIX platforms, such as Linux, but also Mac OS X.

Building Free Pascal from source code can be useful in a number of situations. One example is when debugging a problem in the compiler, in the RTL or in the FCL. The distributed FPC installs come without debug info, but the install created from the makefiles constains debug info by default. Another use is testing the development version of the compiler, although often there are also snapshots available for that.

Step 1 - Make sure you have a compatible starting compiler installed.

Usually this will mean having installed the latest stable release.

Step 2 - Download the source of the new compiler

The first thing to do is downloading the Free Pascal source code for the version you desire to build. For example, to download the latest fixes 2.4 branch do:

svn checkout http://svn.freepascal.org/svn/fpc/branches/fixes_2_4 fpcfixes2_4

Step 3 - Build the compiler

Now enter the newly created directory and build and install Free Pascal:

 cd fpcfixes2_4
 make clean all install INSTALL_PREFIX=~

This will compile the compiler in 3 cycles, first using the already installed compiler and then using the newly compiled compiler.

It install all needed files in the specified directory. You can install to any other directory if needed. You just have to use the root account if the directory does not allow writing with your normal user account.

Step 4 - Update your fpc.cfg file

Then create a file

 ~/.fpc.cfg

It is a hidden file (note the first dot). Enter the following contents to the file. If you installed to another directory, use that instead of your home dir.

 #include /etc/fpc.cfg
 -Fu~/lib/fpc/$fpcversion/units/$fpctarget
 -Fu~/lib/fpc/$fpcversion/units/$fpctarget/*
 -Fu~/lib/fpc/$fpcversion/units/$fpctarget/rtl

This allows installing any future fpc versions into PREFIX=~ without touching that config file.

To run fpc, ~/bin must be in PATH environment variable. Usually it is there by default. You also must add path ~/lib/fpc/2.7.1 to PATH because the actual compiler binary is located there. Most Linux systems now use bash shell and this configuration can be added to ~/.bashrc (a hidden file again) :

 export PATH=~/lib/fpc/2.7.1:$PATH

Note that path separator is ":" under Linux (";" under Windows). Now see "Configure Lazarus for the new fpc" below for the next step.

Build a debian/ubuntu package

Important: This script does not create the official debian/ubuntu packages. It creates a fpc package that contains the compiler and all packages.

To build the package you need to install some packages:

sudo apt-get install libgpmg1-dev fakeroot libncurses5-dev build-essential

Go into your lazarus source directory. The directory must be writable.

cd ~/freepascal/lazarus/tools/install
./create_fpc_deb.sh fpc ~/freepascal/fpc

If you get an error about a missing file or tool you may have to install a missing package. If you get a compilation error your installed fpc is not the released compiler or you were unlucky and fetched a fpc svn reversion that contains a bug. Search help on the mailing list, forum or chat. If it ran through you now have a deb file, which you can install:

 sudo dpkg -i fpc_2.5.1-091121_i386.deb

The file name is different for you.

Build a RPM package

ToDo...

Configure Lazarus for the new FPC

Now fpc is installed either by "make install" or by using a distro specific package. The next step is to compile lazarus svn with the new compiler and tell the IDE to use the directory /home/username/freepascal/fpc as FPC source directory.

If you have not yet downloaded the lazarus svn, do it now: Development versions from SVN. For example:

cd ~/freepascal
svn co http://svn.freepascal.org/FPC/svn/lazarus/trunk lazarus

This will take some time, continue with:

cd ~/freepascal/lazarus
make clean all

If this gives linker errors, you have to install some packages (build-essential, libgtk2.0-dev,libgdk-pixbuf-dev). Start the IDE:

cd ~/freepascal/lazarus
./lazarus

This is a minimal IDE without any extra packages. Now the IDE must be setup and can be built with packages:

  • Go to Tools -> Options -> Environment
  • Set lazarus directory to /home/username/freepascal/lazarus
  • Set FPC source directory to /home/username/freepascal/fpc
  • Click Ok to close the dialog
  • Tools -> Configure Build Lazarus
  • Click Build.
  • Restart the IDE
  • Now you have the latest and greatest IDE built with the latest and greatest FPC.

Development versions from Git

There is a Git mirror of the official SubVersion repository being maintained on GitHub. This mirror gets sync'ed every 15 minutes with the SubVersion repository. For more information on getting Git and cloning the Lazarus repository, follow this link: Git Mirrors. You can also use git directly with SubVersion server using git-svn link. See Lazarus git-svn for details.

Browse the Source Repository with a Web Browser

The contents of the SVN archive can also be browsed with your web-browser through this viewcvs interface.

Lazarus Distributions

There are some unofficial sites where you can find Lazarus and Free Pascal too:

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