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NAME

       meson - a high productivity build system


DESCRIPTION

       Meson  is  a build system designed to optimize programmer productivity.
       It aims to do this by providing simple, out-of-the-box support for mod-
       ern  software development tools and practices, such as unit tests, cov-
       erage reports, Valgrind, Ccache and the like.

       The main Meson executable provides many subcommands to access  all  the
       functionality.



The setup command

       Using  Meson is simple and follows the common two-phase process of most
       build systems. First you run Meson to configure your build:

       meson setup [ options ] [ build directory ] [ source directory ]

       Note that the build directory must be different from the source  direc-
       tory.  Meson  does not support building inside the source directory and
       attempting to do that leads to an error.

       After a successful configuration step you can build the source by  run-
       ning the actual build command in the build directory. The default back-
       end of Meson is Ninja, which can be invoked like this.

       ninja [ target ]

       You only need to run the Meson command once: when you  first  configure
       your  build  dir. After that you just run the build command. Meson will
       autodetect changes in your source tree and regenerate all files  needed
       to build the project.

       The  setup  command  is  the default operation. If no actual command is
       specified, Meson will assume you meant to do a setup. That  means  that
       you can set up a build directory without the setup command like this:

       meson [ options ] [ build directory ] [ source directory ]


   options:
       --version
              print version number

       --help print command line help



The configure command

       meson  configure  provides  a way to configure a Meson project from the
       command line.  Its usage is simple:

       meson configure [ build directory ] [ options to set ]

       If build directory is omitted, the current directory is used instead.

       If no parameters are set, meson configure will print the value  of  all
       build options to the console.

       To set values, use the -D command line argument like this.

       meson configure -Dopt1=value1 -Dopt2=value2



The introspect command

       Meson  introspect is a command designed to make it simple to  integrate
       with other tools, such as IDEs. The output of this command is in  JSON.

       meson introspect [ build directory ] [ option ]

       If build directory is omitted, the current directory is used instead.


   options:
       --targets
              print all top level targets (executables, libraries, etc)

       --target-files
              print the source files of the given target

       --buildsystem-files
              print  all  files  that  make  up the build system (meson.build,
              meson_options.txt etc)

       --tests
              print all unit tests

       --help print command line help



The test command

       meson test is a helper tool for running test suites of  projects  using
       Meson.  The default way of running tests is to invoke the default build
       command:

       ninja [ test ]

       meson test provides a richer set of tools for invoking tests.

       meson test automatically rebuilds the necessary targets  to  run  tests
       when  used with the Ninja backend.  Upon build failure, meson test will
       return an exit code of 125.  This return code tells git bisect  run  to
       skip  the  current commit.  Thus bisecting using git can be done conve-
       niently like this.

       git bisect run meson test -C build_dir


   options:
       --repeat
              run tests as many times as specified

       --gdb  run tests under gdb

       --list list all available tests

       --wrapper
              invoke all tests via the given wrapper (e.g. valgrind)

       -C     Change into the given directory before running  tests  (must  be
              root of build directory).

       --suite
              run tests in this suite

       --no-suite
              do not run tests in this suite

       --no-stdsplit
              do not split stderr and stdout in test logs

       --benchmark
              run benchmarks instead of tests

       --logbase
              base of file name to use for writing test logs

       --num-processes
              how many parallel processes to use to run tests

       --verbose
              do not redirect stdout and stderr

       -t     a  multiplier  to use for test timeout values (usually something
              like 100 for Valgrind)

       --setup
              use the specified test setup



The wrap command

       Wraptool is a helper utility to manage source  dependencies  using  the
       online wrapdb service.

       meson wrap < command > [ options ]

       You  should  run this command in the top level source directory of your
       project.


   Commands:
       list   list all available projects

       search search projects by name

       install
              install a project with the given name

       update update the specified project to latest available version

       info   show available versions of the specified project

       status show installed and available versions of currently used  subpro-
              jects



EXIT STATUS

       0      Successful.

       1      Usage error, or an error parsing or executing meson.build.

       2      Internal error.

       125    meson test could not rebuild the required targets.



       SEE ALSO

              http://mesonbuild.com/

              https://wrapdb.mesonbuild.com/



meson 0.52.0                     October 2019                         meson(1)

meson 0.52.0 - Generated Wed Oct 30 19:24:47 CDT 2019
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