add_project_arguments(
  '-Wdeprecated-copy',
  '-Werror=suggest-override',
  '-Werror=switch',
  '-Werror=switch-enum',
  '-Werror=unused-result',
  '-Wignored-qualifiers',
  '-Wimplicit-fallthrough',
  '-Wno-deprecated-declarations',
  language : 'cpp',
)