add_project_arguments(
  '-Wno-deprecated-declarations',
  '-Wimplicit-fallthrough',
  '-Werror=switch',
  '-Werror=switch-enum',
  '-Werror=unused-result',
  '-Wdeprecated-copy',
  '-Wignored-qualifiers',
  # Enable assertions in libstdc++ by default. Harmless on libc++. Benchmarked
  # at ~1% overhead in `nix search`.
  #
  # FIXME: remove when we get meson 1.4.0 which will default this to on for us:
  # https://mesonbuild.com/Release-notes-for-1-4-0.html#ndebug-setting-now-controls-c-stdlib-assertions
  '-D_GLIBCXX_ASSERTIONS=1',
  language : 'cpp',
)