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# Easier handling of supported compiler arguments
A common pattern for handling multiple desired compiler arguments, was to
test their presence and add them to an array one-by-one, e.g.:
warning_flags_maybe = [
'-Wsomething',
'-Wanother-thing',
'-Wno-the-other-thing',
]
warning_flags = []
foreach flag : warning_flags_maybe
if cc.has_argument(flag)
warning_flags += flag
endif
endforeach
cc.add_project_argument(warning_flags)
A helper has been added for the foreach/has_argument pattern, so you can
now simply do:
warning_flags = [ ... ]
flags = cc.get_supported_flags(warning_flags)
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