115 lines
4.1 KiB
Plaintext
115 lines
4.1 KiB
Plaintext
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There are several ways to build the FreeType library, depending on
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your system and the level of customization you need. Here is a short
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overview of the documentation available:
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I. Prerequisites and dependencies
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=================================
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FreeType is a low level C library that only depends on the standard
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C library with very few platform-dependent optimizations utilized at
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build time. Any C99-compliant compiler should be able to compile
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FreeType. System libraries, such as zlib, Gzip, bzip2, Brotli,
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and libpng, might be used to handle compressed fonts or decode
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embedded PNG glyphs.
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FreeType auto-configuration scripts should be able to detect the
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prerequisites if the necessary headers are available at the default
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locations. Otherwise, modify `include/freetype/config/ftoption.h`
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to control how the FreeType library gets built. Normally, you don't
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need to change anything.
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Applications have very limited control over FreeType's behaviour at
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run-time; look at the documentation of function `FT_Property_Set`.
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II. Normal installation and upgrades
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====================================
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1. Unix and Unix-like systems
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This also includes MacOS, Cygwin, MinGW + MSYS, Mingw-w64 + MSYS2,
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and possibly other, similar environments.
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Please read `INSTALL.UNIX` to install or upgrade FreeType 2 on a
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Unix system. Note that you *need* GNU Make for automatic
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compilation, since other make tools won't work (this includes BSD
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Make).
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GNU Make VERSION 3.81 OR NEWER IS NEEDED!
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2. Other systems using GNU Make
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On some non-Unix platforms, it is possible to build the library
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using only the GNU Make utility. Note that *NO OTHER MAKE TOOL
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WILL WORK*[1]! This methods supports several compilers on
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Windows, OS/2, and BeOS, including MinGW* (without MSYS*), Visual
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C++, Borland C++, and more.
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Instructions are provided in the file `INSTALL.GNU`.
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3. Other build tools and platforms.
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A few other tools can be used to build FreeType. You can find
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the corresponding instruction files in the FreeType root folder
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or the builds/ sub-folder.
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CMake :: see `CMakeLists.txt` for more information
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Meson :: see `meson.build` for more information
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MSBuild :: see `builds/windows/vc2010/freetype.vcxproj`
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MMS :: see `vms_make.com` and `docs/INSTALL.VMS`
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4. With an IDE Project File (e.g., for Visual Studio or CodeWarrior)
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We provide a small number of 'project files' for various IDEs to
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automatically build the library as well. Note that these files
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are not actively supported by FreeType developers, they can break
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or become obsolete.
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To find them, have a look at the content of the `builds/<system>`
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directory, where <system> stands for your OS or environment.
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5. From you own IDE, or own Makefiles
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If you want to create your own project file, follow the
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instructions given in the `INSTALL.ANY` document of this
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directory.
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III. Custom builds of the library
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=================================
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Customizing the compilation of FreeType is easy, and allows you to
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select only the components of the font engine that you really need.
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For more details read the file `CUSTOMIZE`.
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----------------------------------------------------------------------
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[1] make++, a make tool written in Perl, has sufficient support of GNU
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make extensions to build FreeType. See
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https://makepp.sourceforge.net
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for more information; you need version 2.0 or newer, and you must
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pass option `--norc-substitution`.
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----------------------------------------------------------------------
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Copyright (C) 2000-2021 by
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David Turner, Robert Wilhelm, and Werner Lemberg.
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This file is part of the FreeType project, and may only be used,
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modified, and distributed under the terms of the FreeType project
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license, LICENSE.TXT. By continuing to use, modify, or distribute
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this file you indicate that you have read the license and understand
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and accept it fully.
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--- end of INSTALL ---
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