mirror of
https://gitlab.freedesktop.org/dbus/dbus.git
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7f362782d6
Now that 1.16.0 has been released and 1.15.x is EOL, it's misleading to say that Meson is the recommended build system for Unix only on the master branch: it's the recommended build system for Unix on the dbus-1.16 branch, too. This also avoids explicitly naming the master branch, which is likely to get renamed to main. Signed-off-by: Simon McVittie <smcv@collabora.com>
131 lines
4.2 KiB
Text
131 lines
4.2 KiB
Text
DBus Installation
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=================
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Quick start
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===========
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This branch of dbus can be built by using Meson or CMake.
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The Meson build system is the recommended build system since version 1.16.0,
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except when building on Windows, for which CMake is recommended (this
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recommendation might change to Meson in future).
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Meson only supports out-of-tree builds, and must be passed a directory to put
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built and generated sources into. We'll call that directory "build" here. It's
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recommended to create a separate build directory for each configuration you
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might want to use.
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Basic configuration is done with:
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``` sh
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meson build/
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```
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This will create the build directory. If any dependencies are missing, you can
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install them, or try to remove the dependency with a Meson configuration option
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(see below).
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Older versions of dbus required Autotools or CMake, with Autotools
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recommended for Unix systems and CMake recommended for Windows systems.
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Configuration flags
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===================
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When using Meson, to review the options which Meson chose, run:
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``` sh
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meson configure build/
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```
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With additional arguments meson configure can be used to change options for a
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previously configured build directory. All options passed to this command are in
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the form `-D "option"="value"`. For example:
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``` sh
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meson configure build/ -Dprefix=/tmp/install
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```
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See `meson_options.txt` for details of dbus-specific options, and
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<https://mesonbuild.com/Builtin-options.html> for details of generic
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Meson options.
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When using CMake, inspect README.cmake to see the possible
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configuration options and environment variables.
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Building
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========
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To build with meson, here is a quick guide:
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``` sh
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cd dbus
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meson setup build/ && cd build/
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meson compile
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meson test
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```
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Full build instructions can be found on mesonbuild website:
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https://mesonbuild.com/Running-Meson.html
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Building with CMake
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-------------------
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The CMake equivalent is:
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``` sh
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cd <dbus-src-root>
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cmake -G <makefile-generator-name> [-D<option>] -B dbus-build-dir
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cmake --build <dbus-build-dir>
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cmake --build <dbus-build-dir> -t check
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```
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The installation of the build with CMake is performed with:
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``` sh
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cmake --build <dbus-build-dir> -t install [DESTDIR=<install-dir>]
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```
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When using makefile generator `-t install/fast` can also be used,
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which prevents rebuilding.
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CMake will automatically determine whether to build some features
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based on what tools and/or libraries are installed on the host system.
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The default build behaviour can be overridden using the
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-DENABLE_<XXX> arguments to cmake.
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A typical scenario in which it is desirable to override automatic
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detection, is during packaging of binary builds, where a predictable
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dependancy chain is required. For more details on cmake installation,
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consult http://www.cmake.org/cmake/help/help.html.
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Building as a subproject
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========================
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libdbus can be built as a Meson subproject, allowing larger projects that
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require it to default to a system copy if available but fall back to a
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vendored or downloaded copy if necessary. When doing this, it is usually
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best to disable the shared library, dbus-daemon, tools and tests, leaving
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only a static library: please see test/use-as-subproject/meson.build for
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sample code and suggested build options.
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External software dependencies
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==============================
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Usually required:
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- expat (not required if dbus-daemon is not built)
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Optional:
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- libapparmor (for AppArmor LSM integration on Linux)
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- libaudit (for AppArmor/SELinux audit logging on Linux)
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- libcap-ng (for capabilities management on Linux)
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- libselinux (for SELinux LSM integration on Linux)
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- libsystemd (for logging, socket activation and session tracking on Linux)
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- libX11 (for X11 autolaunching on Unix platforms)
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- doxygen (for API documentation)
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- xsltproc (for Spec & other XML documentation)
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- Docbook XSL stylesheets (for Spec & other XML documentation)
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- ducktype (for additional documentation)
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- qhelpgenerator (for additional documentation)
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- yelp-build (for additional documentation)
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- GLib (for improved test coverage)
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- Python 3 (for improved test coverage)
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