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Doc: split up which libraries are used for which situation

release/1.11
Patric Stout 2021-04-21 19:42:42 +02:00 committed by Charles Pigott
parent 0a5a06c431
commit 9932f4ea50
1 changed files with 11 additions and 10 deletions
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COMPILING.md
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@ -2,26 +2,27 @@
## Required/optional libraries ## Required/optional libraries
The following libraries are used by OpenTTD for: OpenTTD makes use of the following external libraries:
- zlib: (de)compressing of old (0.3.0-1.0.5) savegames, content downloads, - (encouraged) zlib: (de)compressing of old (0.3.0-1.0.5) savegames, content downloads,
heightmaps heightmaps
- liblzo2: (de)compressing of old (pre 0.3.0) savegames - (encouraged) liblzma: (de)compressing of savegames (1.1.0 and later)
- liblzma: (de)compressing of savegames (1.1.0 and later) - (encouraged) libpng: making screenshots and loading heightmaps
- libpng: making screenshots and loading heightmaps - (optional) liblzo2: (de)compressing of old (pre 0.3.0) savegames
For Linux, the following additional libraries are used (for non-dedicated only):
- libSDL2: hardware access (video, sound, mouse)
- libfreetype: loading generic fonts and rendering them - libfreetype: loading generic fonts and rendering them
- libfontconfig: searching for fonts, resolving font names to actual fonts - libfontconfig: searching for fonts, resolving font names to actual fonts
- libicu: handling of right-to-left scripts (e.g. Arabic and Persian) and - libicu: handling of right-to-left scripts (e.g. Arabic and Persian) and
natural sorting of strings (Linux only) natural sorting of strings
- libSDL2: hardware access (video, sound, mouse) (not required for Windows or macOS)
OpenTTD does not require any of the libraries to be present, but without OpenTTD does not require any of the libraries to be present, but without
liblzma you cannot open most recent savegames and without zlib you cannot liblzma you cannot open most recent savegames and without zlib you cannot
open most older savegames or use the content downloading system. open most older savegames or use the content downloading system.
Without libSDL/liballegro on non-Windows and non-macOS machines you have
no graphical user interface; you would be building a dedicated server.
## Windows: ## Windows
You need Microsoft Visual Studio 2017 or more recent. You need Microsoft Visual Studio 2017 or more recent.