Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] next goal: gi-webkitwebprocessextension (user goal)
[__0] rejecting: gi-webkitwebprocessextension-6.0.4 (conflict: pkg-config
package webkitgtk-web-process-extension-6.0-any, not found in the pkg-config
database)
[__0] rejecting: gi-webkitwebprocessextension-6.0.3,
gi-webkitwebprocessextension-6.0.2 (constraint from user target requires
==6.0.4)
[__0] fail (backjumping, conflict set: gi-webkitwebprocessextension)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: gi-webkitwebprocessextension