The Tor Browser: build/docs/mozconfigs.rst@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 .. _mozconfig:

     3 ===============

     4 mozconfig Files

     5 ===============

     7 mozconfig files are used to configure how a build works.

     9 mozconfig files are actually shell scripts. They are executed in a

    10 special context with specific variables and functions exposed to them.

    12 API

    13 ===

    15 Functions

    16 ---------

    18 The following special functions are available to a mozconfig script.

    20 ac_add_options

    21 ^^^^^^^^^^^^^^

    23 This function is used to declare extra options/arguments to pass into

    24 configure.

    26 e.g.::

    28     ac_add_options --disable-tests

    29     ac_add_options --enable-optimize

    31 mk_add_options

    32 ^^^^^^^^^^^^^^

    34 This function is used to inject statements into client.mk for execution.

    35 It is typically used to define variables, notably the object directory.

    37 e.g.::

    39     mk_add_options AUTOCLOBBER=1

    41 ac_add_options

    42 ^^^^^^^^^^^^^^

    44 This is a variant of ac_add_options() which only adds configure options

    45 for a specified application. This is only used when building multiple

    46 applications through client.mk. This function is typically not needed.

    48 Special mk_add_options Variables

    49 --------------------------------

    51 For historical reasons, the method for communicating certain

    52 well-defined variables is via mk_add_options(). In this section, we

    53 document what those special variables are.

    55 MOZ_OBJDIR

    56 ^^^^^^^^^^

    58 This variable is used to define the :term:`object directory` for the current

    59 build.

    61 Finding the active mozconfig

    62 ============================

    64 Multiple mozconfig files can exist to provide different configuration

    65 options for different tasks. The rules for finding the active mozconfig

    66 are defined in the

    67 :py:func:`mozbuild.mozconfig.MozconfigLoader.find_mozconfig` method:

    69 .. autoclass:: mozbuild.mozconfig.MozconfigLoader

    70    :members: find_mozconfig

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