packages: ./hpath ./hpath-directory ./hpath-filepath ./hpath-io ./hpath-posix package hpath-io ghc-options: -O2 -fspec-constr-recursive=16 -fmax-worker-args=16 -- https://github.com/composewell/streamly/blob/master/docs/Build.md package streamly ghc-options: -O2 -fspec-constr-recursive=16 -fmax-worker-args=16