add leveldb package

var/spack/packages/leveldb/package.py

@@ -0,0 +1,29 @@
+import os
+import glob
+from spack import *
+
+class Leveldb(Package):
+    """LevelDB is a fast key-value storage library written at Google
+    that provides an ordered mapping from string keys to string values."""
+
+    homepage = "https://github.com/google/leveldb"
+    url      = "https://github.com/google/leveldb/archive/v1.18.tar.gz"
+
+    version('1.18', '73770de34a2a5ab34498d2e05b2b7fa0')
+
+    depends_on("snappy")
+
+    def install(self, spec, prefix):
+        make()
+
+        mkdirp(prefix.include)
+        mkdirp(prefix.lib)
+
+        cp = which('cp')
+
+        # cp --preserve=links libleveldb.* prefix/lib
+        args = glob.glob('libleveldb.*')
+        args.append(prefix + '/lib')
+        cp('--preserve=links', *args)
+
+        cp('-r', 'include/leveldb', prefix + '/include')