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FreeBASIC is a completely free, open-source, multi-platform BASIC compiler, with syntax similar to MS-QuickBASIC, that adds new features such as pointers, unsigned data types, inline assembly, object orientation, and many others.
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FreeBASIC - A multi-platform BASIC Compiler Copyright (C) 2004-2015 The FreeBASIC development team. Official site: http://www.freebasic.net/ Forum: http://www.freebasic.net/forum/ Online manual: http://www.freebasic.net/wiki/DocToc fbc project page: http://www.sourceforge.net/projects/fbc/ GitHub mirror: https://github.com/freebasic/fbc IRC channel: ##freebasic at chat.freenode.net Features: http://www.freebasic.net/wiki/CompilerFeatures Requirements: http://www.freebasic.net/wiki/CompilerRequirements FreeBASIC consists of fbc (the command line compiler), the runtime libraries (libfb and libfbgfx), and FreeBASIC header files for third-party libraries. In order to produce executables, fbc uses the GNU binutils (assembler, linker). When compiling for architectures other than 32bit x86, fbc depends on gcc to generate assembly. Documentation of language features, compiler options and many other details is available in the FB manual. For help & support, visit the FB forum! o Installation & Usage FreeBASIC gives you the FreeBASIC compiler program (fbc or fbc.exe), plus the tools and libraries used by it. fbc is a command line program that takes FreeBASIC source code files (*.bas) and compiles them into executables. fbc is typically invoked by Integrated Development Environments (IDEs) or text editors, from a terminal or command prompt, or through build-systems such as makefiles. fbc itself is not a graphical code editor or IDE! Win32 (similar for Win64): Download and run the latest FreeBASIC-x.xx.x-win32.exe installer, or download and extract the latest FreeBASIC-x.xx.x-win32.zip. Now you can use fbc.exe from the installation directory to compile FB programs (*.bas files) into executables (*.exe files). Open a command prompt (cmd.exe) and run fbc.exe from there, for example: 1. Click Start -> FreeBASIC -> Open console 2. In the opened command prompt, type in the following command and press ENTER: > fbc.exe examples\hello.bas 3. This should have created examples\hello.exe in the FreeBASIC installation directory. You can run it by entering: > examples\hello.exe Optionally, you can install a text editor or IDE which will invoke fbc.exe for you, for example: FBIDE: http://fbide.freebasic.net/ FBEdit: http://radasm.cherrytree.at/fbedit/ Linux (if FreeBASIC is not available through your package manager): Download and extract the latest FreeBASIC-x.xx.x-linux.tar.gz. Open a terminal and cd into the extracted FreeBASIC-x.xx.x-linux directory, and run "sudo ./install.sh -i" to copy the FB setup into /usr/local. To compile FB programs, please install the following packages (names may vary depending on your Linux distribution): Debian/Ubuntu: gcc libncurses5-dev libffi-dev libgl1-mesa-dev libx11-dev libxext-dev libxrender-dev libxrandr-dev libxpm-dev Fedora: gcc ncurses-devel libffi-devel mesa-libGL-devel libX11-devel libXext-devel libXrender-devel libXrandr-devel libXpm-devel If you want to use the 32bit version of FB on a 64bit system, it is necessary to have the gcc 32bit multilib support and 32bit versions of the libraries installed. Debian/Ubuntu: gcc-multilib lib32ncurses5-dev libx11-dev:i386 libxext-dev:i386 libxrender-dev:i386 libxrandr-dev:i386 libxpm-dev:i386 Now you can use fbc to compile FB programs (*.bas files) into executables. For example: $ cd FreeBASIC-x.xx.x-linux/examples $ fbc hello.bas This should have created the hello program. You can run it by entering: $ ./hello Optionally, you can install a text editor or IDE which will invoke fbc for your, for example: Geany: www.geany.org (sudo apt-get install geany) DOS: Download and extract the latest FreeBASIC-x.xx.x-dos.zip. Now you can use fbc.exe from the installation directory to compile FB programs (*.bas files) into executables (*.exe files). For example: > fbc.exe examples\hello.bas This should have created examples\hello.exe. You can run it by entering: > examples\hello.exe o Licensing The FreeBASIC compiler (fbc) is licensed under the GNU GPLv2 or later. The FreeBASIC runtime library (libfb and the thread-safe version, libfbmt) and the FreeBASIC graphics library (libfbgfx and the thread-safe version, libfbgfxmt) are licensed under the GNU LGPLv2 or later, with this exception to allow linking to it statically: As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. The FreeBASIC documentation is licensed under the GNU FDL. Dependencies on third-party libraries: The FreeBASIC runtime library uses LibFFI to implement the Threadcall functionality. This means that, by default, FreeBASIC programs will be linked against LibFFI when using Threadcall. LibFFI is released under the MIT/Expat license, see doc/libffi-license.txt. By default, FreeBASIC programs are linked against various system and/or support libraries, depending on the platform. Those include the DJGPP libraries used by FreeBASIC for DOS and the MinGW/GCC libraries used by FreeBASIC for Windows. o Included/used third-party tools and libraries: - DJGPP http://www.delorie.com/ - GCC http://gcc.gnu.org/ - GNU binutils http://www.gnu.org/software/binutils/ - GNU debugger http://www.gnu.org/software/gdb/ - GoRC http://www.godevtool.com/ - LibFFI http://sourceware.org/libffi/ - MinGW http://www.mingw.org/ - MinGW-w64 http://mingw-w64.sourceforge.net/ - OpenXDK http://openxdk.maturion.de/ - TDM-GCC http://tdm-gcc.tdragon.net/ o Credits Project members: - Andre Victor T. Vicentini (av1ctor[at]yahoo.com.br) Founder, main compiler developer, author of many parts of the runtime, FB headers (FBSWIG) - Angelo Mottola (a.mottola[at]libero.it) Author of the FB graphics library, built-in threads, thread-safe runtime, ports I/O, dynamic library loading, Linux port. - Bryan Stoeberl (b_stoeberl[at]yahoo.com) SSE/SSE2 floating point math, AST vectorization. - Daniel C. Klauer (daniel.c.klauer[at]web.de) FB releases since 0.21, C & LLVM backends, 64bit port, dynamic arrays in UDTs, virtual methods, preprocessor-only mode, miscellaneous fixes and improvements. - Daniel R. Verkamp (i_am_drv[at]yahoo.com) DOS, XBox, Darwin, *BSD ports, DLL and static library automation, VB-compatible runtime functions, compiler optimizations, miscellaneous fixes and improvements. - Ebben Feagan (sir_mud[at]users.sourceforge.net) FB headers, C emitter - Jeff Marshall (coder[at]execulink.com) FB releases since 0.17, FB documentation (wiki maintenance, fbdocs offline-docs generator), Gosub/Return, profiling support, dialect specifics, DOS serial driver, miscellaneous fixes and improvements. - Mark Junker (mjscod[at]gmx.de) Author of huge parts of the runtime (printing support, date/time functions, SCR/LPTx/COM/console/keyboard I/O), Cygwin port, first FB installer scripts. - Matthew Fearnley (matthew.w.fearnley[at]gmail.com) Print Using & Co, ImageInfo, and others, dialect specifics, optimization improvements in the compiler, many fixes and improvements. - Ruben Rodriguez (rubentbstk[at]gmail.com) Var keyword, const specifier, placement new, operator overloading and other OOP-related work, C BFD wrapper, many fixes and improvements. - Simon Nash AndAlso/OrElse operators, ellipsis for array initializers, miscellaneous fixes and improvements. Contributors: - 1000101 gfxlib2 patches, e.g. image buffer alignment - Abdullah Ali (voodooattack[at]hotmail.com) Windows NT DDK headers & examples - AGS gdbm, zlib, Mini-XML, PCRE headers - Claudio Tinivella (tinycla[at]yahoo.it) Gtk tutorials - Chris Davies (c.g.davies[at]gmail.com) OpenAL headers & examples - Dinosaur CGUI headers - D.J.Peters ARM port, ODE headers & examples, Win32 API header fixes - Dumbledore wx-c headers & examples - dr0p (dr0p[at]perfectbg.com) PostgreSQL headers & examples - Edmond Leung (leung.edmond[at]gmail.com) SDL headers & examples - Eric Lope (vic_viperph[at]yahoo.com) OpenGL & GLU headers & examples, examples/gfx/rel-*.bas demos - Florent Heyworth (florent.heyworth[at]swissonline.ch) Win32 API sql/obdc headers - fsw (fsw.fb[at]comcast.net) Win32 API headers, Gtk/Glade/wx-c examples - Garvan O'Keeffe (sisophon2001[at]yahoo.com) FB ports of many NeHe OpenGL lessons, PDFlib examples - Hans L. Nemeschkal (Hans.Leo.Nemeschkal[at]univie.ac.at) DISLIN headers - Jofers (spam[at]betterwebber.com) ThreadCall keyword, libffi/libjit headers, FreeType examples - Jose Manuel Postigo (postigo[at]uma.es) Linux serial devices support - Laanan Fisher (laananfisher[at]gmail.com) FB test suite using CUnit - Matthew Riley (pestery) OpenGL, GLFW, glext, FreeGLUT, cryptlib headers - Matthias Faust (matthias_faust[at]web.de) SDL_ttf headers & examples - Marzec SDL headers, SDL_bassgl, SDL_opengl and SDL_key examples First file routines for FB's rtlib - MJK big_int header fixes - MOD wx-c, BASS headers; -lang qb support for built-in macros, "real" Rnd() algorithm - Nek (dave[at]nodtveidt.net) Win32 API headers - Plasma FMOD and BASS headers & examples - Randy Keeling (randy[at]keeling.com) GSL matrix example - Saga Musix (Jojo) BASS examples with sounds - Sisophon2001 gfxlib2 fixes, Nehe OpenGL lesson ports - Sterling Christensen (sterling[at]engineer.com) Ex-project-member, author of FB's initial QB-like graphics library - TeeEmCee gfxlib2 fixes - TJF (Thomas.Freiherr[at]gmx.net) ARM port, GTK+, glib, Cairo, Pango headers & examples, SQLiteExtensions headers - zydon Win32 API examples Greetings: - Plasma Owner of the freebasic.net domain and main site hoster, many thanks to him. - VonGodric Author of the first FreeBASIC IDE: FBIDE. - Everybody that helped writing the documentation (and in special Nexinarus who started it) http://www.freebasic.net/wiki/wikka.php?wakka=ContributorList - All users that reported bugs, requested features and as such helped improving the compiler, language and run-time libraries.