mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
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130 lines
4.6 KiB
Plaintext
130 lines
4.6 KiB
Plaintext
Hacking on BlueZ
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****************
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Build tools requirements
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========================
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When building and testing directly from the repository it is important to
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have at least automake version 1.10 or later installed. All modern
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distributions should default to the latest version, but it seems that
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Debian's default is still an earlier version:
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Check version
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# dpkg -l '*automake*'
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Install new version
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# apt-get install automake1.10
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# update-alternatives --config automake
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Working with the source code repository
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=======================================
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The repository contains two extra scripts that accomplish the bootstrap
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process. One is called "bootstrap" which is the basic scripts that uses the
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autotools scripts to create the needed files for building and installing.
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It makes sure to call the right programs depending on the usage of shared or
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static libraries or translations etc.
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The second program is called "bootstrap-configure". This program will make
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sure to properly clean the repository, call the "bootstrap" script and then
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call configure with proper settings for development. It will use the best
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options and pass them over to configure. These options normally include
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the enabling the maintainer mode and the debugging features.
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So while in a normal source project the call "./configure ..." is used to
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configure the project with its settings like prefix and extra options. In
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case of bare repositories call "./bootstrap-configure" and it will bootstrap
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the repository and calls configure with all the correct options to make
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development easier.
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In case of preparing for a release with "make distcheck", don't use
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bootstrap-configure since it could export development specific settings.
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So the normal steps to checkout, build and install such a repository is
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like this:
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Checkout repository
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# git clone git://git.kernel.org/pub/scm/bluetooth/bluez.git
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# cd bluez
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Configure and build
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# ./bootstrap-configure
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# make
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Configure and build with cgcc (Sparse)
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# ./bootstrap-configure CC=cgcc
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# make
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Run unit tests
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# make check
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Check installation
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# make install DESTDIR=$PWD/x
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# find x
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# rm -rf x
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Check distribution
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# make distcheck
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Final installation
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# sudo make install
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Remove autogenerated files
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# make maintainer-clean
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Running from within the source code repository
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==============================================
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When using "./configure --enable-maintainer-mode" the automake scripts will
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use the plugins directly from within the repository. This removes the need
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to use "make install" when testing "bluetoothd". The "bootstrap-configure"
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automatically includes this option.
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Copy configuration file which specifies the required security policies
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# sudo cp ./src/bluetooth.conf /etc/dbus-1/system.d/
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Run daemon in foreground with debugging
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# sudo ./src/bluetoothd -n -d
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Run daemon with valgrind
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# sudo valgrind --trace-children=yes --track-origins=yes --track-fds=yes
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--show-possibly-lost=no --leak-check=full ./src/bluetoothd -n -d
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For production installations or distribution packaging it is important that
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the "--enable-maintainer-mode" option is NOT used.
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Note multiple arguments to -d can be specified, colon, comma or space
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separated. The arguments are relative source code filenames for which
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debugging output should be enabled; output shell-style globs are
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accepted (e.g.: 'plugins/*:src/main.c').
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Submitting patches
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==================
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If you fixed a bug or you want to add support for something, patches are
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welcome! In order to ease the inclusion of your patch, it's important to follow
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some rules, otherwise it will likely be rejected by maintainers.
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BlueZ rules for submitting patches follow most of the rules used by Linux kernel
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(https://www.kernel.org/doc/Documentation/SubmittingPatches) with some remarks:
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1) Do *not* add "Signed-off-by" lines in your commit messages. BlueZ does not
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use them, so including them is actually an error.
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2) Be sure to follow the coding style rules of BlueZ. They are listed in
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doc/coding-style.txt.
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3) Split your patch according to the top-level directories. E.g.: if you added
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a feature that touches files under 'include/', 'src/' and 'drivers/'
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directories, split in three separated patches, taking care not to
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break compilation.
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4) Bug fixes should be sent first as they take priority over new features.
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5) The commit message should follow 50/72 formatting which means the header
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should be limited to 50 characters and the description should be wrapped at 72
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characters except if it contains quoted information from debug tools like
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backtraces, compiler errors, etc.
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