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authorDenis Bitouzé <dbitouze@wanadoo.fr>2021-02-25 18:23:07 +0000
committerDenis Bitouzé <dbitouze@wanadoo.fr>2021-02-25 18:23:07 +0000
commitc6101f91d071883b48b1b4b51e5eba0f36d9a78d (patch)
tree1bf7f5a881d7a4f5c5bf59d0b2821943dd822372 /Build/source/libs/freetype2/freetype-src/docs/INSTALL.CROSS
parent07ee7222e389b0777456b427a55c22d0e6ffd267 (diff)
French translation for tlmgr updated
git-svn-id: svn://tug.org/texlive/trunk@57912 c570f23f-e606-0410-a88d-b1316a301751
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-This document contains instructions on how to cross-build the FreeType
-library on Unix systems, for example, building binaries for Linux/MIPS
-on FreeBSD/i386. Before reading this document, please consult the
-file `INSTALL.UNIX' for required tools and the basic self-building
-procedure.
-
-
- 1. Required Tools
- -----------------
-
- For self-building the FreeType library on a Unix system, GNU Make
- 3.81 or newer is required. `INSTALL.UNIX' contains hints how to
- check the installed `make'.
-
- The GNU C compiler to cross-build the target system is required.
- Currently, using a non-GNU cross compiler is untested. The cross
- compiler is expected to be installed with a system prefix. For
- example, if your building system is FreeBSD/i386 and the target
- system is Linux/MIPS, the cross compiler should be installed with
- the name `mips-ip22-linuxelf-gcc'.
-
- A C compiler for a self-build is required also, to build a tool
- (`apinames') that is executed during the build procedure. Non-GNU
- self compilers are acceptable, but such a setup is untested.
-
-
- 2. Configuration
- ----------------
-
- 2.1. Building and target system
-
- To configure a cross-build, the options `--host=<system>' and
- `--build=<system>' must be passed to the `configure' script.
- For example, if your build system is FreeBSD/i386 and the target
- system is Linux/MIPS, say
-
- ./configure \
- --build=i386-unknown-freebsd \
- --host=mips-ip22-linuxelf \
- [other options]
-
- It should be noted that `--host=<system>' specifies the system
- where the built binaries will be executed, not the system where
- the build actually happens. Older versions of GNU autoconf use
- the option pair `--host=' and `--target='. This is broken and
- doesn't work. Similarly, an explicit CC specification like
-
- env CC=mips-ip22-linux-gcc ./configure # BAD
-
- or
-
- env CC=/usr/local/mips-ip22-linux/bin/gcc ./configure # BAD
-
- doesn't work either; such a configuration confuses the
- `configure' script while trying to find the cross and native C
- compilers.
-
-
- 2.2. The prefix to install FreeType2
-
- Setting `--prefix=<prefix>' properly is important. The prefix
- to install FreeType2 is written into the `freetype-config'
- script and `freetype2.pc' configuration file.
-
- If the built FreeType 2 library is used as a part of the
- cross-building system, the prefix is expected to be different
- from the self-building system. For example, a configuration
- with `--prefix=/usr/local' installs binaries into the
- system-wide `/usr/local' directory, which then can't be executed
- due to the incorrect architecture. This causes confusion in
- configuration of all applications that use FreeType2. Instead,
- use a prefix to install the cross-build into a separate system
- tree, for example, `--prefix=/usr/local/mips-ip22-linux/'.
-
- On the other hand, if the built FreeType 2 library is used as a
- part of the target system, the prefix to install should reflect
- the file system structure of the target system.
-
-
- 2.3. Library dependencies
-
- FreeType normally depends on external libraries like `libpng' or
- `libharfbuzz'. The easiest case is to deactivate all such
- dependencies using the `--without-XXX' configuration options.
- However, if you want to use those libraries, you should ensure
- that they are available both on the target system and as
- (cross-compiled) libraries on the build system.
-
- FreeType uses `pkg-config' to find most of the libraries; the
- other libraries it links to are expected in the standard system
- directories. Since the default pkg-config's meta-information
- files (like `harfbuzz.pc') of the build platform don't work, use
- one of the two possible solutions below.
-
- o Use pkg-config's meta-information files that are adjusted to
- cross-compile and cross-link with the target platform's
- libraries. Make sure those files are found before the build
- system's default files. Example:
-
- ./configure \
- --build=i386-unknown-freebsd \
- --host=mips-ip22-linuxelf \
- PKG_CONFIG_LIBDIR="/usr/local/mips-ip22-linux/lib/pkgconfig" \
- [other options]
-
- See the manpage of `pkg-config' for more details.
-
- o Set variables like LIBPNG_LIBS as additional options to the
- `configure' script, overriding the values `pkg-config' would
- provide. `configure --help' shows the available environment
- variables. Example:
-
- ./configure \
- --build=i386-unknown-freebsd \
- --host=mips-ip22-linuxelf \
- LIBPNG_CFLAGS="-I/usr/local/mips-ip22-linux/include" \
- LIBPNG_LIBS="-L/usr/local/mips-ip22-linux/lib -lpng12" \
- [other options]
-
-
- 3. Building command
- -------------------
-
- If the configuration finishes successfully, invoking GNU make
- builds FreeType2. Just say
-
- make
-
- or
-
- gmake
-
- depending on the name the GNU make binary actually has.
-
-
- 4. Installation
- ---------------
-
- Saying
-
- make install
-
- as usual to install FreeType2 into the directory tree specified by
- the argument of the `--prefix' option.
-
- As noted in section 2.2, FreeType2 is sometimes configured to be
- installed into the system directory of the target system, and
- should not be installed in the cross-building system. In such
- cases, the make variable `DESTDIR' is useful to change the root
- directory in the installation. For example, after
-
- make DESTDIR=/mnt/target_system_root/ install
-
- the built FreeType2 library files are installed into the directory
- `/mnt/target_system_root/<prefix_in_configure>/lib'.
-
-
- 5. TODO
- -------
-
- Cross building between Cygwin (or MSys) and Unix must be tested.
-
-
-----------------------------------------------------------------------
-
-Copyright (C) 2006-2020 by
-suzuki toshiya, David Turner, Robert Wilhelm, and Werner Lemberg.
-
-
-This file is part of the FreeType project, and may only be used,
-modified, and distributed under the terms of the FreeType project
-license, LICENSE.TXT. By continuing to use, modify, or distribute
-this file you indicate that you have read the license and understand
-and accept it fully.
-
-
---- end of INSTALL.CROSS ---