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meson: don't check disabled dependencies at all 

Don't search for the dependency and set up fallback
only to throw it away if the option is disabled.
This is a waste, and this gives the user the illusion
that the request to disable the feature was ignored.
This commit is contained in:
Oleg Oshmyan 2021-11-11 01:39:44 +02:00 committed by Ryan Lucia
parent e58e4a9149
commit 18503946d5
1 changed files with 20 additions and 18 deletions
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38
meson.build
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@ -193,25 +193,27 @@ foreach dep: [
['hunspell', '', 'Hunspell', ['hunspell', 'hunspell_dep']],
['uchardet', '', 'uchardet', ['uchardet', 'uchardet_dep']],
]
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()
deps += d
conf.set('WITH_@0@'.format(dep[0].split('-')[0].to_upper()), 1)
dep_avail += dep[2]
elif get_option(optname).enabled()
error('@0@ enabled but not found'.format(dep[2]))
if not get_option(optname).disabled()
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
if d.found()
deps += d
conf.set('WITH_@0@'.format(dep[0].split('-')[0].to_upper()), 1)
dep_avail += dep[2]
elif get_option(optname).enabled()
error('@0@ enabled but not found'.format(dep[2]))
endif
endif
endforeach