Merge pull request #693 from jam7/update/readline

Update readline to 6.3p8

packages/readline.rb

 require 'package'
 
 class Readline < Package
-  version '6.3'
+  version '6.3p8'
   source_url 'http://ftp.gnu.org/gnu/readline/readline-6.3.tar.gz'
   source_sha1 '017b92dc7fd4e636a2b5c9265a77ccc05798c9e1'
 
-  depends_on 'buildessential'
+  depends_on 'buildessential' => :build
+  depends_on 'patch' => :build
+  depends_on 'ncurses'
 
   def self.build
-    system "CC='gcc' ./configure"
+    system "wget -r -N -nd --no-parent ftp://ftp.gnu.org/gnu/readline/readline-6.3-patches -P readline-6.3-patches"
+    # system "for i in readline-6.3-patches/*.sig; do gpg $i; done"
+    system "for i in readline-6.3-patches/readline63-???; do patch < $i; done"
+
+    system "CC='gcc' ./configure --disable-static --with-curses"
     system "make"
+    system "find . -name 'lib*.so.*' -print | xargs strip -S"
   end
 
   def self.install