Updated netcdf to version 4.1.1

- NetCDF brew updated to version 4.1.1.

- Now builds against HDF5 for interoperability.

- ENV.m32 removed and builds x86_64 native on Snow Leopard
  (tested on 10.6.3)

Formula/netcdf.rb

@@ -0,0 +1,21 @@
+require 'formula'
+
+class Netcdf <Formula
+  url 'http://www.unidata.ucar.edu/downloads/netcdf/ftp/netcdf-4.1.1.tar.gz'
+  homepage 'http://www.unidata.ucar.edu/software/netcdf/'
+  md5 '79c5ff14c80d5e18dd8f1fceeae1c8e1'
+
+  depends_on 'hdf5'
+  depends_on 'szip'
+
+  def install
+    hdf5 = Formula.factory('hdf5')
+    szip = Formula.factory('szip')
+
+    system "./configure", "--prefix=#{prefix}",
+                          "--disable-dependency-tracking",
+                          "--with-szip=#{szip.prefix}",
+                          "--with-hdf5=#{hdf5.prefix}"
+    system "make install"
+  end
+end