Added configure script, added install target, changed MkToday to a shell script to avoid a build-time dependency on runhugs

src/tools/MkToday.hs

@@ -1,15 +0,0 @@
-module Main where
-
-import System
-
-main :: IO ()
-main = do
-  system "date >foo.tmp"
-  d0 <- readFile "foo.tmp"
-  let d = head $ lines d0
-  writeFile "Today.hs" $ mkToday d
-  system "rm foo.tmp"
-  return ()
-
-mkToday d = "module Today where today = \"" ++ d ++ "\"\n"
-

src/tools/mktoday.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+echo 'module Today where today = "'`date`'"' > Today.hs