Add missing dependencies to ruby

component/ruby/buildout.cfg

 [buildout]
 
 extends =
+  ../gdbm/buildout.cfg
+  ../openssl/buildout.cfg
+  ../zlib/buildout.cfg
+  ../readline/buildout.cfg
+  ../ncurses/buildout.cfg
   ../libyaml/buildout.cfg
 
 parts = ruby
@@ -12,8 +17,8 @@ md5sum = bc0c715c69da4d1d8bd57069c19f6c0e
 configure-options =
   --enable-shared --enable-rpath
 environment =
-  CFLAGS=-I${libyaml:location}/include
-  LDFLAGS=-L${libyaml:location}/lib -Wl,-rpath=${libyaml:location}/lib
+  CPPFLAGS=-I${zlib:location}/include -I${readline:location}/include -I${libyaml:location}/include -I${ncurses:location}/include -I${ncurses:location}/include/ncursesw  -I${gdbm:location}/include -I${openssl:location}/include
+  LDFLAGS=-L${zlib:location}/lib -L${libyaml:location}/lib -L${readline:location}/lib -L${ncurses:location}/lib  -L${gdbm:location}/lib -L${openssl:location}/lib -Wl,-rpath=${zlib:location}/lib -Wl,-rpath=${libyaml:location}/lib   -Wl,-rpath=${ncurses:location}/lib  -Wl,-rpath=${readline:location}/lib -Wl,-rpath=${gdbm:location}/lib -Wl,-rpath=${openssl:location}/lib
 
 [ruby-1.9]
 <= ruby-1.9.3