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# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.


# Profiling
# ==============================================================
# Some of the options here imply an option from js/moz.configure,
# so, need to be declared before the include.
option('--enable-systrace', env='MOZ_USE_SYSTRACE',
       help='Turn on systrace for the Gecko profiler on android/b2g')

@depends('--enable-systrace', target)
def systrace(value, target):
    if value and target.os != 'Android':
        die('--enable-systrace cannot be used when targeting %s',
            target.os)
    if value:
        return True

set_define('MOZ_USE_SYSTRACE', systrace)


option('--enable-jprof', env='MOZ_JPROF',
       help='Enable jprof profiling tool (needs mozilla/tools/jprof)')

@depends('--enable-jprof')
def jprof(value):
    if value:
        return True

set_config('MOZ_JPROF', jprof)
set_define('MOZ_JPROF', jprof)
imply_option('--enable-profiling', jprof)

@depends(target)
def sps_profiler(target):
    if target.os == 'Android':
        return target.cpu in ('arm', 'x86')
    elif target.kernel == 'Linux':
        return target.cpu in ('x86', 'x86_64')
    return target.os in ('OSX', 'WINNT')

@depends(sps_profiler)
def sps_profiler_define(value):
    if value:
        return True

set_config('MOZ_ENABLE_PROFILER_SPS', sps_profiler_define)
set_define('MOZ_ENABLE_PROFILER_SPS', sps_profiler_define)


option('--enable-dmd', env='MOZ_DMD',
       help='Enable Dark Matter Detector (heap profiler). '
            'Also enables jemalloc, replace-malloc and profiling')

@depends('--enable-dmd')
def dmd(value):
    if value:
        return True

set_config('MOZ_DMD', dmd)
set_define('MOZ_DMD', dmd)
add_old_configure_assignment('MOZ_DMD', dmd)
imply_option('--enable-profiling', dmd)
# --enable-jemalloc is implied below.
imply_option('--enable-replace-malloc', dmd)

# JACK cubeb backend
# ==============================================================
option('--enable-jack', env='MOZ_JACK',
       help='Enable JACK audio backend.')

@depends('--enable-jack')
def jack(value):
    if value:
        return True

set_config('MOZ_JACK', jack)
set_define('MOZ_JACK', jack)

# Javascript engine
# ==============================================================
include('../js/moz.configure')


# Rust
# ==============================================================
include('../build/moz.configure/rust.configure',
        when='--enable-compile-environment')


# L10N
# ==============================================================
option('--with-l10n-base', nargs=1, env='L10NBASEDIR',
       help='Path to l10n repositories')

@depends('--with-l10n-base')
@imports(_from='os.path', _import='isdir')
def l10n_base(value):
    if value:
        path = value[0]
        if not isdir(path):
            die("Invalid value --with-l10n-base, %s doesn't exist", path)
        return os.path.realpath(os.path.abspath(path))

set_config('L10NBASEDIR', l10n_base)


# Default toolkit
# ==============================================================
# Normally, we'd want to use the `default` field on the option, but that
# requires --target to be resolved at --help time, which requires to run
# config.guess, which we want to avoid. Even better, we could actually set
# `choices` depending on the target, but that doesn't pan out for the same
# reason.
option('--enable-default-toolkit', nargs=1,
       choices=('cairo-windows', 'cairo-gtk3', 'cairo-cocoa', 'cairo-uikit',
                'cairo-android', 'cairo-gonk'),
       help='Select default toolkit')

@depends('--enable-default-toolkit', target)
def toolkit(value, target):
    # Define possible choices for each platform. The default is the first one
    # listed when there are several.
    os = target.os
    if target.os == 'WINNT':
        platform_choices = ('cairo-windows',)
    elif target.os == 'OSX':
        platform_choices = ('cairo-cocoa',)
    elif target.os == 'iOS':
        platform_choices = ('cairo-uikit',)
    elif target.os == 'Android':
        if value.origin == 'implied':
            # Trust values coming from imply_option() (used in
            # b2g/moz.configure).
            platform_choices = tuple(value)
        else:
            platform_choices = ('cairo-android',)
    else:
        platform_choices = ('cairo-gtk3',)

    if value:
        if value[0] not in platform_choices:
            die('`%s` is not a valid value for --enable-default-toolkit on %s\n'
                'Valid values: %s', value[0], os, ', '.join(platform_choices))
        return value[0]

    return platform_choices[0]


@depends(toolkit)
def toolkit(toolkit):
    if toolkit == 'cairo-gtk2-x11':
        widget_toolkit = 'gtk2'
    else:
        widget_toolkit = toolkit.replace('cairo-', '')
    return widget_toolkit

set_config('MOZ_WIDGET_TOOLKIT', toolkit)
add_old_configure_assignment('MOZ_WIDGET_TOOLKIT', toolkit)

@depends(toolkit)
def toolkit_gtk(toolkit):
    if toolkit == 'gtk2':
        return '2'
    elif toolkit == 'gtk3':
        return '3'

set_define('MOZ_WIDGET_GTK', toolkit_gtk)

@depends(toolkit)
def toolkit_define(toolkit):
    if toolkit not in ('gtk2', 'gtk3', 'windows'):
        return 'MOZ_WIDGET_%s' % toolkit.upper()

set_define(toolkit_define, True)


option('--without-x', env='WITHOUT_X', help='Disable X11 support')

@depends('--without-x', toolkit)
def x11(value, toolkit):
    if not value:
        die('--without-x is not supported')

    x11_toolkits = ('gtk2', 'gtk3')
    if value and value.origin != 'default' and toolkit not in x11_toolkits:
        die('--with-x is only valid with --enable-default-toolkit={%s}',
            ','.join(x11_toolkits))

    return True if value and toolkit in x11_toolkits else None

set_config('MOZ_ENABLE_XREMOTE', x11)
set_define('MOZ_ENABLE_XREMOTE', x11)
set_config('MOZ_X11', x11)
set_define('MOZ_X11', x11)
add_old_configure_assignment('MOZ_X11', x11)

# GL Provider
# ==============================================================
option('--with-gl-provider', nargs=1, help='Set GL provider backend type')

@depends('--with-gl-provider')
def gl_provider(value):
    if value:
        return value[0]

@depends(gl_provider)
def gl_provider_define(provider):
    if provider:
        return 'GLContextProvider%s' % provider

set_define('MOZ_GL_PROVIDER', gl_provider_define)

@depends(gl_provider, x11)
def gl_default_provider(value, x11):
    if value:
        return value
    elif x11:
        return 'GLX'

set_config('MOZ_GL_PROVIDER', gl_provider)
set_config('MOZ_GL_DEFAULT_PROVIDER', gl_default_provider)

@depends(gl_default_provider)
def gl_provider_define(provider):
    if provider:
        return 'GL_PROVIDER_%s' % provider

set_define(gl_provider_define, True)


# PDF printing
# ==============================================================
@depends(toolkit)
def pdf_printing(toolkit):
    if toolkit in ('windows', 'gtk2', 'gtk3', 'android', 'gonk'):
        return True

@depends(pdf_printing)
def pdf_surface_feature(pdf_printing):
    if pdf_printing:
        return '#define CAIRO_HAS_PDF_SURFACE 1'
    else:
        # CONFIGURE_SUBST_FILES need explicit empty values.
        return ''

set_config('MOZ_PDF_PRINTING', pdf_printing)
set_config('PDF_SURFACE_FEATURE', pdf_surface_feature)


# Event loop instrumentation
# ==============================================================
option(env='MOZ_INSTRUMENT_EVENT_LOOP',
       help='Force-enable event loop instrumentation')

@depends('MOZ_INSTRUMENT_EVENT_LOOP', toolkit)
def instrument_event_loop(value, toolkit):
    if value or (toolkit in ('windows', 'gtk2', 'gtk3', 'cocoa', 'android',
                             'gonk') and value.origin == 'default'):
        return True

set_config('MOZ_INSTRUMENT_EVENT_LOOP', instrument_event_loop)
set_define('MOZ_INSTRUMENT_EVENT_LOOP', instrument_event_loop)


# Fontconfig Freetype
# ==============================================================
option(env='USE_FC_FREETYPE',
       help='Force-enable the use of fontconfig freetype')

@depends('USE_FC_FREETYPE', toolkit)
def fc_freetype(value, toolkit):
    if value or (toolkit in ('gtk2', 'gtk3') and
                 value.origin == 'default'):
        return True

add_old_configure_assignment('USE_FC_FREETYPE', fc_freetype)

# Pango
# ==============================================================
pkg_check_modules('MOZ_PANGO',
                  'pango >= 1.22.0 pangoft2 >= 1.22.0 pangocairo >= 1.22.0',
                  when=toolkit_gtk)

# Fontconfig
# ==============================================================
fontconfig_info = pkg_check_modules('_FONTCONFIG', 'fontconfig >= 2.7.0',
                                    when=fc_freetype)

@depends(fc_freetype)
def check_for_freetype2(fc_freetype):
    if fc_freetype:
        return True

# Check for freetype2. Flags are combined with fontconfig flags.
freetype2_info = pkg_check_modules('_FT2', 'freetype2 >= 6.1.0',
                                   when=check_for_freetype2)

@depends(fontconfig_info, freetype2_info)
def freetype2_combined_info(fontconfig_info, freetype2_info):
    if not freetype2_info:
        return
    if not fontconfig_info:
        return freetype2_info
    return namespace(
        cflags=freetype2_info.cflags + fontconfig_info.cflags,
        libs=freetype2_info.libs + fontconfig_info.libs,
    )

add_old_configure_assignment('_HAVE_FREETYPE2',
                             depends_if(freetype2_info)(lambda _: True))

# Build Freetype in the tree
# ==============================================================
@depends(target)
def tree_freetype(target):
    if target.os == 'Android':
        return True

set_define('MOZ_TREE_FREETYPE', tree_freetype)
set_config('MOZ_TREE_FREETYPE', tree_freetype)
add_old_configure_assignment('MOZ_TREE_FREETYPE', tree_freetype)

set_define('HAVE_FT_BITMAP_SIZE_Y_PPEM', tree_freetype)
set_define('HAVE_FT_GLYPHSLOT_EMBOLDEN', tree_freetype)
set_define('HAVE_FT_LOAD_SFNT_TABLE', tree_freetype)

@depends(freetype2_combined_info, tree_freetype, check_build_environment)
def ft2_info(freetype2_combined_info, tree_freetype, build_env):
    if tree_freetype:
        return namespace(cflags=('-I%s/modules/freetype2/include' % build_env.topsrcdir,),
                         libs=())
    if freetype2_combined_info:
        return freetype2_combined_info

set_config('FT2_LIBS', delayed_getattr(ft2_info, 'libs'))
add_old_configure_assignment('FT2_LIBS',
                             delayed_getattr(ft2_info, 'libs'))
add_old_configure_assignment('FT2_CFLAGS',
                             delayed_getattr(ft2_info, 'cflags'))

# Apple platform decoder support
# ==============================================================
@depends(toolkit)
def applemedia(toolkit):
    if toolkit in ('cocoa', 'uikit'):
        return True

set_config('MOZ_APPLEMEDIA', applemedia)
set_define('MOZ_APPLEMEDIA', applemedia)
add_old_configure_assignment('MOZ_APPLEMEDIA', applemedia)

# Windows Media Foundation support
# ==============================================================
option('--disable-wmf',
       help='Disable support for Windows Media Foundation')

@depends('--disable-wmf', target)
def wmf(value, target):
    enabled = bool(value)
    if value.origin == 'default':
        # Enable Windows Media Foundation support by default.
        # Note our minimum SDK version is Windows 7 SDK, so we are (currently)
        # guaranteed to have a recent-enough SDK to build WMF.
        enabled = target.os == 'WINNT'
    if enabled and target.os != 'WINNT':
        die('Cannot enable Windows Media Foundation support on %s', target.os)
    if enabled:
        return True

set_config('MOZ_WMF', wmf)
set_define('MOZ_WMF', wmf)

# FFmpeg H264/AAC Decoding Support
# ==============================================================
option('--disable-ffmpeg',
       help='Disable FFmpeg for fragmented H264/AAC decoding')

@depends('--disable-ffmpeg', target)
def ffmpeg(value, target):
    enabled = bool(value)
    if value.origin == 'default':
        enabled = target.os not in ('Android', 'WINNT')
    if enabled:
        return True

set_config('MOZ_FFMPEG', ffmpeg)
set_define('MOZ_FFMPEG', ffmpeg)
imply_option('--enable-fmp4', ffmpeg, '--enable-ffmpeg')

# Built-in fragmented MP4 support.
# ==============================================================
option('--disable-fmp4', env='MOZ_FMP4',
       help='Disable support for in built Fragmented MP4 parsing')

@depends('--disable-fmp4', target, wmf, applemedia)
def fmp4(value, target, wmf, applemedia):
    enabled = bool(value)
    if value.origin == 'default':
        # target.os == 'Android' includes all B2G versions
        enabled = wmf or applemedia or target.os == 'Android'
    if enabled:
        return True

set_config('MOZ_FMP4', fmp4)
set_define('MOZ_FMP4', fmp4)
add_old_configure_assignment('MOZ_FMP4', fmp4)

# EME Support
# ==============================================================
# Widevine is enabled by default in desktop browser builds.
@depends(build_project, '--help')
def eme_default(build_project, help):
    if build_project == 'browser':
        return 'widevine'

option('--enable-eme',
       nargs='*',
       choices=('widevine',),
       default=eme_default,
       help='Enable support for Encrypted Media Extensions')

@depends('--enable-eme', target)
def enable_eme(value, target):
    # Widevine EME by default enabled on desktop Windows, MacOS and Linux,
    # x86 and x64 builds.
    if (target.kernel in ('Darwin', 'WINNT', 'Linux') and
        target.os not in ('Android', 'iOS') and
        target.cpu in ('x86', 'x86_64')):
        return value
    elif value and value.origin != 'default':
        die('%s is not supported on %s' % (value.format('--enable-eme'), target.alias))
    # Return the same type of OptionValue (Positive or Negative), with an empty tuple.
    return value.__class__(())

@depends(enable_eme, fmp4)
def eme(value, fmp4):
    enabled = bool(value)
    if value.origin == 'default':
        enabled = enabled or fmp4
    if enabled and not fmp4:
        die('Encrypted Media Extension support requires '
            'Fragmented MP4 support')
    if enabled:
        return True

@depends(enable_eme)
def eme_modules(value):
    return value

set_config('MOZ_EME_MODULES', eme_modules)

option(name='--enable-chrome-format',
       help='Select FORMAT of chrome files during packaging.',
       nargs=1,
       choices=('omni', 'jar', 'flat'),
       default='omni')

@depends('--enable-chrome-format')
def packager_format(value):
    return value[0]

set_config('MOZ_PACKAGER_FORMAT', packager_format)

@depends(host, build_project)
def jar_maker_format(host, build_project):
    # Multilocales for mobile/android use the same mergedirs for all locales,
    # so we can't use symlinks for those builds.
    if host.os == 'WINNT' or build_project == 'mobile/android':
        return 'flat'
    return 'symlink'

set_config('MOZ_JAR_MAKER_FILE_FORMAT', jar_maker_format)

@depends(toolkit)
def omnijar_name(toolkit):
    # Fennec's static resources live in the assets/ folder of the
    # APK.  Adding a path to the name here works because we only
    # have one omnijar file in the final package (which is not the
    # case on desktop), and necessitates some contortions during
    # packaging so that the resources in the omnijar are considered
    # as rooted at / and not as rooted at assets/ (which again is
    # not the case on desktop: there are omnijars rooted at webrtc/,
    # etc). packager.mk handles changing the rooting of the single
    # omnijar.
    return 'assets/omni.ja' if toolkit == 'android' else 'omni.ja'

set_config('OMNIJAR_NAME', omnijar_name)

project_flag('MOZ_PLACES',
             help='Build Places if required',
             set_as_define=True)

project_flag('MOZ_SOCIAL',
             help='Build SocialAPI if required',
             default=True)

project_flag('MOZ_SERVICES_HEALTHREPORT',
             help='Build Firefox Health Reporter Service',
             set_for_old_configure=True,
             set_as_define=True)

project_flag('MOZ_SERVICES_SYNC',
             help='Build Sync Services if required')

project_flag('MOZ_SERVICES_CLOUDSYNC',
             help='Build Services/CloudSync if required')

project_flag('MOZ_ANDROID_HISTORY',
             help='Enable Android History instead of Places',
             set_as_define=True)

@depends('MOZ_PLACES', 'MOZ_ANDROID_HISTORY')
def check_places_and_android_history(places, android_history):
    if places and android_history:
        die('Cannot use MOZ_ANDROID_HISTORY alongside MOZ_PLACES.')

# Permissions system
# ==============================================================
option(name='--disable-permissions',
       help='Disable permissions (popup and cookie blocking)')

moz_permissions = depends_if('--disable-permissions')(lambda _: True)

set_config('MOZ_PERMISSIONS', moz_permissions)
set_define('MOZ_PERMISSIONS', moz_permissions)

# gpsd support
# ==============================================================
option('--enable-gpsd', env='MOZ_GPSD',
       help='Enable gpsd support')

@depends('--enable-gpsd')
def gpsd(value):
    return bool(value)

system_gpsd = pkg_check_modules('MOZ_GPSD', 'libgps >= 3.11',
                                when=gpsd)

set_config('MOZ_GPSD', depends_if(system_gpsd)(lambda _: True))

# Miscellaneous programs
# ==============================================================

check_prog('TAR', ('gnutar', 'gtar', 'tar'))
check_prog('UNZIP', ('unzip',))
check_prog('ZIP', ('zip',))

# Key files
# ==============================================================
include('../build/moz.configure/keyfiles.configure')

simple_keyfile('Mozilla API')

simple_keyfile('Google API')

id_and_secret_keyfile('Bing API')

simple_keyfile('Adjust SDK')

# Servo integration
# ==============================================================
option('--enable-stylo', env='STYLO_ENABLED', nargs=0,
       help='Enables experimental integration with the servo style system. '
            'This requires either building servo within Gecko\'s cargo phase '
            'or passing --with-servo')

@depends('--enable-stylo')
def stylo(value):
    if value:
        return True

set_config('MOZ_STYLO', stylo)
set_define('MOZ_STYLO', stylo)

@depends(stylo, dmd)
def jemalloc(stylo, dmd):
    if stylo:
        return 'moz'
    elif dmd:
        return True

imply_option('--enable-jemalloc', jemalloc,
             reason='--enable-dmd or --enable-stylo')

option('--with-servo', env='SERVO_TARGET_DIR', nargs=1,
       help='Absolute path of the target directory where libgeckoservo can '
            'be found. This is generally servo_src_dir/target/release.')

@depends_if('--with-servo')
def servo_target_dir(value):
    return value[0]

set_config('SERVO_TARGET_DIR', servo_target_dir)

# Gecko integrated IPC fuzzer
# ==============================================================
option('--enable-ipc-fuzzer', env='MOZ_FAULTY',
       help='Enable IPC fuzzer')

@depends('--enable-ipc-fuzzer', target)
def ipc_fuzzer(value, target):
    if value:
        if target.os == 'WINNT':
            die('--enable-ipc-fuzzer is not supported on this platform.')
        return bool(value)

set_config('MOZ_FAULTY', ipc_fuzzer)
set_define('MOZ_FAULTY', ipc_fuzzer)

# Printing
# ==============================================================
@depends(target)
def ios_disable_printing(target):
    if target.os == 'iOS':
        return False

imply_option('--enable-printing', ios_disable_printing, reason='--target')

option('--disable-printing', help='Disable printing support')

@depends('--disable-printing')
def printing(value):
    if value:
        return True

set_config('NS_PRINTING', printing)
set_define('NS_PRINTING', printing)
set_define('NS_PRINT_PREVIEW', printing)

# Speech-dispatcher support
# ==============================================================
@depends(toolkit)
def no_speechd_on_non_gtk(toolkit):
    if toolkit not in ('gtk2', 'gtk3'):
        return False

imply_option('--enable-synth-speechd', no_speechd_on_non_gtk,
             reason='--enable-default-toolkit')

option('--disable-synth-speechd', help='Disable speech-dispatcher support')

set_config('MOZ_SYNTH_SPEECHD',
           depends_if('--disable-synth-speechd')(lambda _: True))

# Speech API
# ==============================================================
option('--disable-webspeech', help='Disable support for HTML Speech API')

@depends('--disable-webspeech', '--help')
def webspeech(value, _):
    if value:
        return True

set_config('MOZ_WEBSPEECH', webspeech)
set_define('MOZ_WEBSPEECH', webspeech)
add_old_configure_assignment('MOZ_WEBSPEECH', webspeech)

# Speech API pocketsphinx backend
# ==============================================================
@depends(build_project, milestone, webspeech)
def webspeech_pocketsphinx(build_project, milestone, webspeech):
    if webspeech and milestone.is_nightly and build_project == 'b2g':
        return True

set_config('MOZ_WEBSPEECH_POCKETSPHINX', webspeech_pocketsphinx)
set_define('MOZ_WEBSPEECH_POCKETSPHINX', webspeech_pocketsphinx)

# Speech API models
# ==============================================================
@depends(build_project, milestone, webspeech)
def webspeech_models(build_project, milestone, webspeech):
    if webspeech and milestone.is_nightly and build_project == 'b2g':
        return True

set_config('MOZ_WEBSPEECH_MODELS', webspeech_models)
set_define('MOZ_WEBSPEECH_MODELS', webspeech_models)

# Speech API test backend
# ==============================================================
option('--enable-webspeechtestbackend', default=webspeech,
       help='Enable support for HTML Speech API Test Backend')

@depends_if('--enable-webspeechtestbackend')
def webspeech_test_backend(value):
    return True

set_config('MOZ_WEBSPEECH_TEST_BACKEND', webspeech_test_backend)
set_define('MOZ_WEBSPEECH_TEST_BACKEND', webspeech_test_backend)

# Enable IPDL's "expensive" unit tests
# ==============================================================
option('--enable-ipdl-tests', help='Enable expensive IPDL tests')

set_config('MOZ_IPDL_TESTS',
           depends_if('--enable-ipdl-tests')(lambda _: True))

include('nss.configure')

# Network protocol support
# ==============================================================
@depends(check_build_environment, '--help')
@imports('os')
@imports(_from='__builtin__', _import='sorted')
def all_necko_protocols(build_env, _):
    basedir = os.path.join(build_env.topsrcdir, 'netwerk', 'protocol')
    return tuple(sorted(p for p in os.listdir(basedir)
                        if os.path.isdir(os.path.join(basedir, p))))

default_necko_protocols = all_necko_protocols

@deprecated_option('--enable-necko-protocols', nargs='*')
def necko_protocols(protocols):
    return protocols

@depends(necko_protocols, default_necko_protocols)
def necko_protocols(protocols, default_protocols):
    if protocols is None or (protocols and len(protocols) == 0):
        return None
    if len(protocols) == 1 and protocols[0] == '':
        return False
    result = set()
    for p in protocols:
        if p in ('yes', 'all', 'default'):
            result |= set(default_protocols)
            continue
        if p in ('no', 'none'):
            result = set()
            continue
        if p.startswith('-'):
            if p[1:] in result:
                result.remove(p[1:])
        else:
            result.add(p)
    if result != set(default_protocols):
        return tuple(result)

imply_option('--enable-network-protocols', necko_protocols,
             reason='--enable-necko-protocols')

option('--enable-network-protocols', nargs='+', default=default_necko_protocols,
       choices=all_necko_protocols,
       help='Enable/disable specific protocol handlers')

@depends('--enable-network-protocols')
def necko_protocol_defines(protocols):
    return tuple('NECKO_PROTOCOL_%s' % p for p in protocols)

add_old_configure_assignment('_NON_GLOBAL_ACDEFINES', necko_protocol_defines)

@depends(necko_protocol_defines)
@imports('__sandbox__')
def set_necko_protocol_defines(protocols):
    for p in protocols:
        __sandbox__.set_define_impl(p, True)

@depends('--enable-network-protocols')
@imports(_from='__builtin__', _import='sorted')
def necko_protocols(protocols):
    return tuple(sorted(protocols))

set_config('NECKO_PROTOCOLS', necko_protocols)
add_old_configure_assignment('NECKO_PROTOCOLS', necko_protocols)

# Graphics
# ==============================================================
option('--disable-skia', help='Disable use of Skia')

@depends('--disable-skia')
def skia(value):
    if not value:
        die('--disable-skia is not supported anymore')
    else:
        return True

set_config('MOZ_ENABLE_SKIA', skia)
set_define('MOZ_ENABLE_SKIA', skia)
set_define('USE_SKIA', skia)

@depends(skia, target)
def skia_android(skia, target):
    if skia and target.os == 'Android':
        return True

set_define('SK_BUILD_FOR_ANDROID_NDK', skia_android)

option('--disable-skia-gpu', help='Disable use of Skia-GPU')

@depends('--disable-skia-gpu', skia, target)
def skia_gpu(value, skia, target):
    if value.origin == 'default':
        if not skia:
            return None
        # Skia GPU support may not reliably build on certain *BSDs (see bug 1234494)
        if target.os in ('NetBSD', 'OpenBSD'):
            return None
    elif value and not skia:
        die('Cannot enable Skia-GPU without enabling Skia')
    if skia and value:
        return True

set_config('MOZ_ENABLE_SKIA_GPU', skia_gpu)
set_define('USE_SKIA_GPU', skia_gpu)

option('--enable-skia-pdf', help='Enable Skia PDF')

@depends('--enable-skia-pdf', skia, milestone)
def skia_pdf(value, skia, milestone):
    if value.origin == 'default':
        if not skia:
            return None
        if milestone.is_nightly:
            return True
    elif value and not skia:
        die('Cannot enable Skia PDF without enabling Skia')
    if skia and value:
        return True

set_config('MOZ_ENABLE_SKIA_PDF', skia_pdf)
set_define('MOZ_ENABLE_SKIA_PDF', skia_pdf)

option('--enable-skia-pdf-sfntly', help='Enable SFNTLY font subsetting in Skia PDF')

@depends('--enable-skia-pdf-sfntly', skia_pdf)
def skia_pdf_sfntly(value, skia_pdf):
    if value.origin == 'default':
        return skia_pdf
    if value and not skia_pdf:
        die('Cannot enable SFNTLY subsetting without enabling Skia PDF')
    if skia_pdf and value:
        return True

set_config('MOZ_ENABLE_SKIA_PDF_SFNTLY', skia_pdf_sfntly)
set_define('MOZ_ENABLE_SKIA_PDF_SFNTLY', skia_pdf_sfntly)

@depends(skia_pdf_sfntly)
def sfntly_includes(skia_pdf_sfntly):
    includes = []
    if skia_pdf_sfntly:
        includes += [
            '/gfx/sfntly/cpp/src',
        ]
    return includes

set_config('SFNTLY_INCLUDES', sfntly_includes)

@depends(skia, skia_gpu)
def skia_includes(skia, skia_gpu):
    includes = []
    if skia:
        includes += [
            '/gfx/skia',
            '/gfx/skia/skia/include/config',
            '/gfx/skia/skia/include/core',
        ]

    if skia_gpu:
        includes += [
            '/gfx/skia/skia/include/gpu',
            '/gfx/skia/skia/include/utils',
        ]

    return includes

set_config('SKIA_INCLUDES', skia_includes)

# Support various fuzzing options
# ==============================================================
with only_when('--enable-compile-environment'):
    option('--enable-fuzzing', help='Enable fuzzing support')

    @depends('--enable-fuzzing')
    def enable_fuzzing(value):
        if value:
            return True

    @depends(enable_fuzzing,
             try_compile(body='__AFL_COMPILER;',
                         check_msg='for AFL compiler',
                         when='--enable-fuzzing'))
    def enable_libfuzzer(fuzzing, afl):
        if fuzzing and not afl:
            return True

    set_config('FUZZING', enable_fuzzing)
    set_define('FUZZING', enable_fuzzing)

    set_config('LIBFUZZER', enable_libfuzzer)
    set_define('LIBFUZZER', enable_libfuzzer)

# Mortar
# ==============================================================
option('--enable-mortar', help='Enable mortar extension')

set_config('MOZ_MORTAR', True, when='--enable-mortar')

# Marionette is a Web Driver / Selenium comamnd server and client automation
# driver for Mozilla's Gecko engine.  For more, see
# https://developer.mozilla.org/en-US/docs/Mozilla/QA/Marionette.
#
# Marionette isn't really a toolkit feature, it's a Gecko engine feature, but
# it's enabled based on the toolkit (and target), so here it lives.

@depends(target, toolkit)
def marionette_default(target, toolkit):
    # By default, enable Marionette if not Android and not gonk.
    #
    # None means "don't set anything", which allows to override with
    # --enable-marionette.  False means --disable-marionette, which
    # cannot be overridden with --enable-marionette.  We want to allow
    # overrides.
    if target.os == 'Android':
        return None

    if toolkit == 'gonk':
        return None

    return True

imply_option('--enable-marionette', marionette_default,
             reason='not Android and not gonk')

option('--enable-marionette',
       help='Enable internal Marionette command server')

@depends('--enable-marionette')
def marionette(value):
    if value:
        return True

set_config('ENABLE_MARIONETTE', marionette)