.hsc/CPP Can't find headers.

[YellowOnion]

I have an hsc file:

{-# LANGUAGE CPP #-}

module System.FUSE.Internal
  -- TODO: explicit exports
  where

#define FUSE_USE_VERSION 318

#include <fuse.h>

I have my project setup fine, and running cabal build and cabal repl works. but for some reason I get these errors: