# cabal check
Warning: The following warnings are likely to affect your build negatively:
Warning: 'extra-source-files: ../outside' is a relative path outside of the source tree. This will not work when generating a tarball with 'sdist'.
Warning: The following errors will cause portability problems on other environments:
Warning: 'extra-source-files: ../outside' is not a good relative path: "parent directory segment: .."
Warning: Hackage would reject this package.