[Haskell-cafe] Need help: Cabal rejecting stringsearch, conflict in base

[Albert Y. C. Lai]

On 13-11-29 06:36 PM, Thiago Negri wrote:
> Is `rm -rf ~/.ghc ~/.cabal` supposed to reset cabal installation?
> How do I start a fresh cabal environment?

Perhaps it is time to read my
http://www.vex.net/~trebla/haskell/sicp.xhtml

> I recompiled xmonad and it's ok, but xmobar is failing to build because
> "unix" package is failing because "Signals.h" is missing (used by
> System.Posix.Signals).

The "unix" package comes with GHC. It is not supposed to be missing, and 
not supposed to be rebuilt a la carte. You may have damaged your GHC 
installation, or you may have completely misattributed the problem.