inital script for CI building. Currently only builds dependencies

build.py

@@ -0,0 +1,27 @@
+#!/usr/bin/python
+# cpp-ethereum build script
+# to be used from CI server, or to build locally
+# uses python instead of bash script for better cross-platform support
+
+# TODO Initial version. Needs much more improvements
+
+import argparse
+import os
+import subprocess
+
+def build_dependencies():
+   if os.path.exists("extdep"):
+       os.chdir("extdep")
+       if not os.path.exists("build"):
+            os.makedirs("build") 
+       os.chdir("build")
+       subprocess.check_call(["cmake", ".."])
+       subprocess.check_call("make")
+
+parser = argparse.ArgumentParser()
+parser.add_argument("cmd", help="what to build")
+
+args = parser.parse_args()
+if args.cmd == "dep":
+    build_dependencies()
+