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meson: define fallbacks for optional dependencies

This commit is contained in:
Myaamori 2020-10-27 19:32:23 +00:00 committed by Ryan Lucia
parent fd00ba50f2
commit 255a9fc846
1 changed files with 19 additions and 10 deletions
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29
meson.build
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@ -134,19 +134,28 @@ deps += dependency('icu-i18n', version: '>=4.8.1.1')
dep_avail = []
foreach dep: [
# audio, in order of precedence
['libpulse', '', 'PulseAudio'],
['alsa', '', 'ALSA'],
['portaudio-2.0', '', 'PortAudio'],
['openal', '>=0.0.8', 'OpenAL'],
['libpulse', '', 'PulseAudio', []],
['alsa', '', 'ALSA', []],
['portaudio-2.0', '', 'PortAudio', []],
['openal', '>=0.0.8', 'OpenAL', []],
# video
['ffms2', '', 'FFMS2'],
['ffms2', '', 'FFMS2', ['ffms2', 'ffms2_dep']],
# other
['fftw3', '', 'FFTW3'],
['hunspell', '', 'Hunspell'], # needs a proper port
['uchardet', '', 'uchardet'], # needs a proper port
['fftw3', '', 'FFTW3', []],
['hunspell', '', 'Hunspell', []], # needs a proper port
['uchardet', '', 'uchardet', []], # needs a proper port
]
d = dependency(dep[0], version: dep[1] != '' ? dep[1]: '>=0',
required: false)
dep_version = dep[1] != '' ? dep[1] : '>=0'
# [provide] section is ignored if required is false;
# must provided define fallback explicitly
# (with meson 0.56 you can do allow_fallback: true):
#d = dependency(dep[0], version: dep_version,
# required: false, allow_fallback: true)
if dep[3].length() > 0
d = dependency(dep[0], version: dep_version, fallback: dep[3])
else
d = dependency(dep[0], version: dep_version, required: false)
endif
optname = dep[0].split('-')[0]
if d.found() and not get_option(optname).disabled()