Solved by adding the following to stack.yaml: extra-deps: - regex-posix-clib-2.7 flags: regex-posix: _regex-posix-clib: true See https://github.com/haskell-hvr/regex-posix/issues/4 I don't know how the addition would behave on other operating systems.
Solved by adding the following to stack.yaml:
extra-deps:
flags:
regex-posix:
_regex-posix-clib: true
See haskell-hvr/regex-posix#4
I don't know how the addition would behave on other operating systems.