Source code of the Lazarus IDE for Free Pascal. -- Visit us at https://www.lazarus-ide.org or https://forum.lazarus.freepascal.org
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components LazUtils: Deprecate UTF8CompareLatinTextFast. Implement TStringListUTF8Fast differently. 2024-02-09 01:20:36 +02:00
converter Support for Highlighter based on TextMate grammar 2023-09-12 12:01:50 +02:00
debugger IDE: Clarify misleading names of common event handlers in options window 2024-02-06 13:35:11 +00:00
designer Fix #40737: make TMethodNameTable/TMethodNameTableEntry compatible with FPC 3.3.1 2024-02-04 21:54:10 +08:00
doceditor DocEditor: improved Russian translation 2024-01-12 02:30:30 +03:00
docs Docs: Lazutils/translations. Fixes capitalization in topic. 2024-02-09 04:08:14 +00:00
examples Examples: Fix vst_dataarray demo not being shown in Examples windows. 2024-01-14 16:58:13 +01:00
ide IDE: Remove UTF8CompareLatinTextFast calls. 2024-02-09 01:20:36 +02:00
images FPDoc Editor: New button images, by Roland Hahn. 2023-12-14 15:57:14 +01:00
install Installation: Fix lazarus.desktop file (FreeDesktop). Issue #32485, patch from Pino Toscano. 2017-09-29 14:35:57 +00:00
languages IDE: regenerated translations and updated Russian translation 2024-02-06 03:40:44 +03:00
lazarus.app/Contents set main version to 3.99 2023-06-25 17:47:14 +02:00
lcl LCL: Remove UTF8CompareLatinTextFast calls. 2024-02-09 01:20:36 +02:00
packager IDE: Remove UTF8CompareLatinTextFast calls. 2024-02-09 01:20:36 +02:00
startlazarus.app/Contents
test LazUtils tests: Remove unit test for UTF8CompareLatinTextFast. The whole function will be removed. Issue #40014. 2024-02-09 01:20:36 +02:00
tools Installer, Win: updated Russian translation 2023-12-24 18:20:10 +03:00
.gitattributes IDE: Move LazConf.pp to new base-package "IdeConfig" 2022-12-08 19:28:19 +01:00
.gitignore .gitignore: added *.dbg files 2023-10-07 02:38:49 +03:00
.gitlab-ci.yml CI: Renamed Dockerfile to make code highlight to work in GitLab web interface. Also simplified it and made to terminate earlier in case of compilation errors. 2023-11-22 02:42:38 +03:00
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fpmake_add.inc fpmake: Switched to fpmake.pp files that do not need setting the source-directory of the package manually 2014-12-29 22:11:35 +00:00
fpmake_proc.inc
fpmake.pp fpmake: Switched to fpmake.pp files that do not need setting the source-directory of the package manually 2014-12-29 22:11:35 +00:00
localize.bat Translations: cleaned up localize scripts 2023-01-11 01:19:00 +03:00
localize.sh Translations: cleaned up localize scripts 2023-01-11 01:19:00 +03:00
Makefile makefiles: fixed order, split packages in folder components into categories lazbuildpackages, lazbuildlclpackages, idepackages 2023-08-14 16:46:31 +02:00
Makefile.fpc makefiles: fixed order, split packages in folder components into categories lazbuildpackages, lazbuildlclpackages, idepackages 2023-08-14 16:46:31 +02:00
README.md README.md: provided link to Lazarus Wiki for installation instructions 2023-04-30 19:01:32 +00:00

Welcome to Lazarus

Lazarus is a Rapid Application Development Tool for Free Pascal. It comes with the LCL - Lazarus component library, which contains platform independent visual components like buttons, windows, checkbox, treeview and many, many more. The LCL is platform independent, so you can write an application once and then compile for various platforms without changing code.

Free Pascal is a fast Object Pascal compiler, that runs on more than 20 platforms (Linux, Windows, BSD, OS/2, DOS, PowerPC, and many more).

The LCL currently supports:

  • Linux/FreeBSD (GTK2, Qt4, Qt5 and Qt6)
  • all flavors of Windows (even WinCE)
  • macOS (Cocoa, Carbon, GTK2, Qt4, Qt5, Qt6)

There is an experimental support for:

  • GTK3
  • Solaris

The LCL still contains code for GTK1, although this target is obsolete.

Compilation

You don't need ./configure, just do
make clean bigide (gmake clean bigide in BSD).

This will create the Lazarus executable with a lot of packages. Start it and enjoy.

If the above gives an error, you can try to build a minimal IDE with
make clean all (gmake clean all in BSD).

Installation and Requirements

See Lazarus Wiki for details.

Usage

Start the IDE with:

cd your/lazarus/directory
./lazarus

Documentation

The official site is www.lazarus-ide.org. Documents about specific topics can be found at https://wiki.freepascal.org/Lazarus_Documentation. Examples on how to use the LCL can be found in the examples directory. Help, documents and files about Free Pascal are at www.freepascal.org.

Mailing list

There is a very active and helpful mailing list for Lazarus, where the developers interact, share ideas, discuss problems, and of course answer questions. You can subscribe at http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus.

How to help Lazarus

If you find bugs, don't hesitate to use issue tracker, or send an email to the list. Lazarus source code and issue tracker are located at GitLab.