build.py: Make it somewhat functional

scripts/build.py

@@ -2,6 +2,7 @@
 # -*- coding: iso-8859-15 -*-
 
 import os
+import sys
 import dircache
 import linecache
 import fileinput
@@ -37,16 +38,15 @@ def build_tree(cur):
 	dep_tree[cur] = deps
 	return len(deps)
 
-def create_bottom_up_order(cur):
+def calculate_order(cur):
 	build_tree(cur)
 	while len(all_deps):
 		for d in all_deps:
 			if not len(dep_tree[d]):
 				break
 		else:
-			print "none of the following modules has no dependencies:"
 			print all_deps
-			return -1
+			raise Exception("fatal: all of these modules have at least one unresolvable dependency")
 		order.append(d)
 		all_deps.remove(d)
 		for k in dep_tree.keys():
@@ -54,9 +54,21 @@ def create_bottom_up_order(cur):
 				dep_tree[k].remove(d)
 	return 1
 
-def build(cur):
+def run_make(module, target):
-	create_bottom_up_order(cur)
+	path = find_proj_path(module)
+	print "========= running make " + target + " in " + path
+	os.chdir(path)
+	if subprocess.call(["make", target]):
+		raise Exception("failed to make target " + target + " in module " + module)
+
+def build(module, target):
+	calculate_order(module)
+	if target in ["clean", "distclean"]:
+		for m in reversed(order):
+			run_make(m, target)
+	else:
+		for m in order:
+			run_make(m, target)
+
+build(sys.argv[1], sys.argv[2])
 
-build("jux2")
-print dep_tree
-print order