Add check for recursive glob in root directory (#8441)

[cabal.git] / changelog.d / pr-8623

synopsis: Fix project-local flags being ignored
packages: cabal-install
prs: #8623
description: {
    Fix some cases of configuration flags being dropped, e.g. with `v2-install`
    and `--enable-shared --enable-executable-dynamic --disable-library-vanilla`.
}