From 08cecf6c27b3ae41a20b78b64c2ca21f385a7804 Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Sun, 29 Nov 2009 13:40:23 +0000
Subject: Add a check to configure.py that warns if any module has a dependency
 listed that does not exist. This is mostly for my benefit.

---
 configure.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/configure.py b/configure.py
index 274620e60..58652079a 100755
--- a/configure.py
+++ b/configure.py
@@ -434,6 +434,17 @@ class ModuleInfo(object):
             deps.append(self.parent_module)
         return deps
 
+    """
+    Ensure that all dependencies of this module actually exist, warning
+    about any that do not
+    """
+    def dependencies_exist(self, modules):
+        all_deps = map(lambda s: s.split('|'), self.dependencies())
+
+        for missing in filter(lambda s: s not in modules, sum(all_deps, [])):
+            logging.warn("Module '%s', dep of '%s', does not exist" % (
+                missing, self.basename))
+
     def __cmp__(self, other):
         if self.basename < other.basename:
             return -1
@@ -913,6 +924,9 @@ Determine which modules to load based on options, target, etc
 """
 def choose_modules_to_use(modules, archinfo, options):
 
+    for mod in modules.values():
+        mod.dependencies_exist(modules)
+
     to_load = []
     maybe_dep = []
     not_using_because = {}
-- 
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