#477: re-configure when the .cabal file changes ----------------------------+----------------------------------------------- Reporter: duncan | Owner: Type: enhancement | Status: new Priority: normal | Milestone: Cabal-1.8 Component: Cabal library | Version: 1.6.0.1 Severity: normal | Keywords: Difficulty: normal | Ghcversion: Platform: | ----------------------------+----------------------------------------------- From http://trevion.blogspot.com/2008/11/cabal-is-fine-piece-of- software.html: {{{ One nice thing about Cabal is that it really helps you appreciate the different parts of the build process. For instance, suppose that I change my cabal metadata file, and then attempt to build my project, for instance by saying runghc Setup.hs build Cabal will helpfully reply: Setup.hs: interpreter.cabal has been changed, please re-configure. Notice how Cabal has helpfully here noticed that there’s work to be done, and not done it. I found that this really helped me appreciate the details of the build, rather than unhelpfully hiding those details behind some veneer of “automation”. }}} We can and should do this. It is annoying. The solution is to save the configure flags that the user gave originally and to use them again to re-configure. This could be a Read/Show style file like we have for the `LocalBuildInfo` or it could be a readable file like the cabal config file. A format and parser derived from the set of command line arguments. -- Ticket URL: http://hackage.haskell.org/trac/hackage/ticket/477 Hackage http://haskell.org/cabal/ Hackage: Cabal and related projects