nco: Added new package

var/spack/repos/builtin/packages/nco/package.py

@@ -0,0 +1,30 @@
+from spack import *
+import os
+
+class Nco(Package):
+    """The NCO toolkit manipulates and analyzes data stored in
+    netCDF-accessible formats"""
+
+    homepage = "https://sourceforge.net/projects/nco"
+    url      = "https://github.com/nco/nco/archive/4.5.5.tar.gz"
+
+    version('4.5.5', '9f1f1cb149ad6407c5a03c20122223ce')
+
+    # See "Compilation Requirements" at:
+    # http://nco.sourceforge.net/#bld
+
+    depends_on('netcdf')
+    depends_on('antlr@2.7.7+cxx')    # (required for ncap2)
+    depends_on('gsl')            #  (desirable for ncap2)
+    depends_on('udunits2')       # (allows dimensional unit transformations)
+    # depends_on('opendap')      # (enables network transparency), 
+
+    def install(self, spec, prefix):
+        opts = [
+            '--prefix=%s' % prefix,
+            '--disable-openmp',    # TODO: Make this a variant
+            '--disable-dap',        # TODO: Make this a variant
+            '--disable-esmf']
+        configure(*opts)
+        make()
+        make("install")