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meson: disable warnings about unused variables for NDEBUG builds 

With assertions disabled, we'd get a bunch of warnings that really bring no
value. With this change, a default meson build with -Db_ndebug=true generates
no warnings.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-03-28 09:44:02 +01:00
parent ee36fed438
commit a73f621384
1 changed files with 10 additions and 0 deletions
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meson.build
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@ -383,6 +383,16 @@ if get_option('buildtype') != 'debug'
possible_link_flags += '-Wl,--gc-sections'
endif
if get_option('b_ndebug') == 'true'
# With asserts disabled with get a bunch of warnings about variables which
# are used only in the asserts. This is not useful at all, so let's just silence
# those warnings.
possible_cc_flags += [
'-Wno-unused-variable',
'-Wno-unused-but-set-variable',
]
endif
add_project_arguments(cc.get_supported_arguments(possible_cc_flags), language : 'c')
add_project_link_arguments(cc.get_supported_link_arguments(possible_link_flags), language : 'c')