Updated guile

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

* Downgraded stable version to 1.8.x
* Added head version 1.9.11
* so fix is needed for 1.8 and 1.9

Formula/guile.rb

@@ -1,9 +1,15 @@
 require 'formula'
 
 class Guile <Formula
-  @url='ftp://alpha.gnu.org/gnu/guile/guile-1.9.3.tar.gz'
-  @homepage='http://www.gnu.org/software/guile/'
-  @sha1='c8d1d25ed413b48493ec5b0cbf4de8593cab4a21'
+  url 'ftp://ftp.gnu.org/gnu/guile/guile-1.8.7.tar.gz'
+  head 'ftp://alpha.gnu.org/gnu/guile/guile-1.9.11.tar.gz'
+  homepage 'http://www.gnu.org/software/guile/'
+
+  if ARGV.include? "--HEAD"
+    sha1 'abd1424a927302db31395db828d4d14fa68d13f9'
+  else
+    sha1 '24cd2f06439c76d41d982a7384fe8a0fe5313b54'
+  end
 
   depends_on 'pkg-config'
   depends_on 'libffi'
@@ -15,11 +21,12 @@ class Guile <Formula
   depends_on 'readline'
 
   def install
-    system "./configure",
-        "--prefix=#{prefix}", 
-        "--disable-debug", 
-        "--disable-dependency-tracking",
-        "--with-libreadline-prefix=#{Formula.factory('readline').prefix}"
+    system "./configure", "--disable-dependency-tracking",
+                          "--prefix=#{prefix}",
+                          "--with-libreadline-prefix=#{Formula.factory('readline').prefix}"
     system "make install"
+
+    # A really messed up workaround required on OS X --mkhl
+    lib.cd { Dir["*.dylib"].each {|p| ln_sf p, "#{File.basename(p, ".dylib")}.so" }}
   end
-end
+end