--- chromium-r78967/tools/gyp/pylib/gyp/generator/make.py.orig	2011-03-26 18:24:40.599711053 +0100
+++ chromium-r78967/tools/gyp/pylib/gyp/generator/make.py	2011-03-26 18:25:12.518328105 +0100
@@ -249,7 +249,7 @@
 # so we can check their command lines.
 #   $? -- new prerequisites
 #   $| -- order-only dependencies
-prereq_changed = $(filter-out $|,$?)
+prereq_changed = $(filter-out FORCE_DO_CMD $|,$?)
 
 # do_cmd: run a command via the above cmd_foo names, if necessary.
 # Should always run for a given target to handle command-line changes.