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When building in a portage chroot, we do not have the environment needed to build pylibfdt. It is instead build as a separate package. Provide a build option to tell U-Boot to skip this part of the build. We still need it to use binman, etc. but don't need it to build its dependencies. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Mike Frysinger <vapier@chromium.org> [s/build bytes/builds bytes in tools.rst] Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
57 lines
1.8 KiB
ReStructuredText
57 lines
1.8 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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.. sectionauthor:: Bin Meng <bmeng.cn@gmail.com>
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Host tools
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==========
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Building tools for Linux
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------------------------
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To allow distributions to distribute all possible tools in a generic way,
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avoiding the need of specific tools building for each machine, a tools only
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defconfig file is provided.
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Using this, we can build the tools by doing::
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$ make tools-only_defconfig
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$ make tools-only
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Building tools for Windows
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--------------------------
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If you wish to generate Windows versions of the utilities in the tools directory
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you can use MSYS2, a software distro and building platform for Windows.
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Download the MSYS2 installer from https://www.msys2.org. Make sure you have
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installed all required packages below in order to build these host tools::
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* gcc (9.1.0)
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* make (4.2.1)
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* bison (3.4.2)
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* diffutils (3.7)
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* openssl-devel (1.1.1.d)
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Note the version numbers in these parentheses above are the package versions
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at the time being when writing this document. The MSYS2 installer tested is
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http://repo.msys2.org/distrib/x86_64/msys2-x86_64-20190524.exe.
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There are 3 MSYS subsystems installed: MSYS2, MinGW32 and MinGW64. Each
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subsystem provides an environment to build Windows applications. The MSYS2
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environment is for building POSIX compliant software on Windows using an
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emulation layer. The MinGW32/64 subsystems are for building native Windows
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applications using a linux toolchain (gcc, bash, etc), targeting respectively
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32 and 64 bit Windows.
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Launch the MSYS2 shell of the MSYS2 environment, and do the following::
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$ make tools-only_defconfig
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$ make tools-only
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Building without Python
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-----------------------
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The tools-only builds bytes pylibfdt by default. To disable this, use the
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NO_PYTHON variable::
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NO_PYTHON=1 make tools-only_defconfig tools-only
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