These Ants just keep getting better\!. Also added prelim. version of PostgreSQL.

svn path=/nixpkgs/trunk/; revision=1326

pkgs/servers/sql/postgresql/builder.sh

@@ -0,0 +1,8 @@
+. $stdenv/setup
+
+configureFlags=""
+if test "$jdbcSupport"; then
+    configureFlags="--with-java $configureFlags"
+fi
+
+genericBuild

pkgs/servers/sql/postgresql/default.nix

@@ -0,0 +1,18 @@
+{stdenv, fetchurl, readline, jdbcSupport ? true, ant ? null}:
+
+assert jdbcSupport -> ant != null;
+
+stdenv.mkDerivation {
+  name = "postgresql-7.4.5";
+  builder = ./builder.sh;
+
+  src = fetchurl {
+    url = ftp://ftp2.nl.postgresql.org/mirror/postgresql/latest/postgresql-7.4.5.tar.bz2;
+    md5 = "97e750c8e69c208b75b6efedc5a36efb";
+  };
+
+  inherit jdbcSupport;
+  ant = if jdbcSupport then ant else null;
+
+  buildInputs = if jdbcSupport then [ant] else [];
+}