diff --git a/bin/bitbake b/bin/bitbake
index 8ab99e6..b0339c8 100755
--- a/bin/bitbake
+++ b/bin/bitbake
@@ -118,6 +118,9 @@ Default BBFILES are the .bb files in the current directory.""" )
     parser.add_option( "-s", "--show-versions", help = "show current and preferred versions of all packages",
                action = "store_true", dest = "show_versions", default = False )
 
+    parser.add_option( "--show-depends", help = "show dependendcies of the specified packages",
+               action = "store_true", dest = "show_depends", default = False )
+
     parser.add_option( "-e", "--environment", help = "show the global or per-package environment (this is what used to be bbread)",
                action = "store_true", dest = "show_environment", default = False )
 
diff --git a/lib/bb/command.py b/lib/bb/command.py
index 06bd203..f5c08d0 100644
--- a/lib/bb/command.py
+++ b/lib/bb/command.py
@@ -196,6 +196,17 @@ class CommandsAsync:
         command.finishAsyncCommand()
     generateDotGraph.needcache = True
 
+    def showDepends(self, command, params):
+        """
+        Dump dependency names to stdout
+        """
+        pkgs_to_build = params[0]
+        task = params[1]
+
+        command.cooker.showDepends(pkgs_to_build, task)
+        command.finishAsyncCommand()
+    showDepends.needcache = True
+
     def showVersions(self, command, params):
         """
         Show the currently selected versions
diff --git a/lib/bb/cooker.py b/lib/bb/cooker.py
index ca01558..6c9607d 100644
--- a/lib/bb/cooker.py
+++ b/lib/bb/cooker.py
@@ -158,6 +158,12 @@ class BBCooker:
             else:
                 self.commandlineAction = None
                 bb.error("Please specify a package name for dependency graph generation.")
+        elif self.configuration.show_depends:
+            if self.configuration.pkgs_to_build:
+                self.commandlineAction = ["showDepends", self.configuration.pkgs_to_build, self.configuration.cmd]
+            else:
+                self.commandlineAction = None
+                bb.error("Please specify a package name for dependency graph generation.")
         else:
             if self.configuration.pkgs_to_build:
                 self.commandlineAction = ["buildTargets", self.configuration.pkgs_to_build, self.configuration.cmd]
@@ -398,6 +404,14 @@ class BBCooker:
         depgraph = self.generateDepTreeData(pkgs_to_build, task)
         bb.event.fire(bb.event.DepTreeGenerated(depgraph), self.configuration.data)
 
+    def showDepends(self, pkgs_to_build, task):
+        """
+	Dump dependency list of a pkgs_to_build.
+	"""
+        depgraph = self.generateDepTreeData(pkgs_to_build, task)
+        for pn in depgraph["pn"]:
+            print pn
+
     def generateDotGraphFiles(self, pkgs_to_build, task):
         """
         Create a task dependency graph of pkgs_to_build.
-- 
1.7.3.4



From 42fcae0761f680338bfc5baaf29a2911bf940ee3 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Thu, 16 Dec 2010 16:18:15 +0200
Subject: [PATCH 3/3] Record which ASSUME_PROVIDED PNs were looked up, dump them with --show-depends.

Signed-off-by: Paul Sokolovsky <pfalcon@users.sourceforge.net>
---
 lib/bb/cache.py    |    1 +
 lib/bb/cooker.py   |    7 ++++++-
 lib/bb/taskdata.py |    2 ++
 3 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/lib/bb/cache.py b/lib/bb/cache.py
index 3085786..8aac604 100644
--- a/lib/bb/cache.py
+++ b/lib/bb/cache.py
@@ -529,6 +529,7 @@ class CacheData:
         (set elsewhere)
         """
         self.ignored_dependencies = []
+        self.ignored_dependencies_hit = set()
         self.world_target = set()
         self.bbfile_priority = {}
         self.bbfile_config_priorities = []
diff --git a/lib/bb/cooker.py b/lib/bb/cooker.py
index 6c9607d..c35040a 100644
--- a/lib/bb/cooker.py
+++ b/lib/bb/cooker.py
@@ -337,6 +337,7 @@ class BBCooker:
         depend_tree["depends"] = {}
         depend_tree["tdepends"] = {}
         depend_tree["pn"] = {}
+        depend_tree["ignored-pn"] = set()
         depend_tree["rdepends-pn"] = {}
         depend_tree["packages"] = {}
         depend_tree["rdepends-pkg"] = {}
@@ -393,6 +394,7 @@ class BBCooker:
                         depend_tree["packages"][package]["filename"] = fn
                         depend_tree["packages"][package]["version"] = version
 
+        depend_tree["ignored-pn"] = self.status.ignored_dependencies_hit
         return depend_tree
 
 
@@ -409,7 +411,10 @@ class BBCooker:
 	Dump dependency list of a pkgs_to_build.
 	"""
         depgraph = self.generateDepTreeData(pkgs_to_build, task)
-        for pn in depgraph["pn"]:
+        for pn in sorted(depgraph["pn"]):
+            print pn
+        print "-- Dependencies ignored per ASSUME_PROVIDED: --"
+        for pn in sorted(depgraph["ignored-pn"]):
             print pn
 
     def generateDotGraphFiles(self, pkgs_to_build, task):
diff --git a/lib/bb/taskdata.py b/lib/bb/taskdata.py
index 3e5e006..0b3c977 100644
--- a/lib/bb/taskdata.py
+++ b/lib/bb/taskdata.py
@@ -277,6 +277,7 @@ class TaskData:
         unresolved = []
         for target in self.build_names_index:
             if re_match_strings(target, dataCache.ignored_dependencies):
+                dataCache.ignored_dependencies_hit.add(target)
                 continue
             if self.build_names_index.index(target) in self.failed_deps:
                 continue
@@ -292,6 +293,7 @@ class TaskData:
         unresolved = []
         for target in self.run_names_index:
             if re_match_strings(target, dataCache.ignored_dependencies):
+                dataCache.ignored_dependencies_hit.add(target)
                 continue
             if self.run_names_index.index(target) in self.failed_rdeps:
                 continue