diff --git a/meta/classes/autotools.bbclass b/meta/classes/autotools.bbclass
index b645996136..c60ba10929 100644
--- a/meta/classes/autotools.bbclass
+++ b/meta/classes/autotools.bbclass
@@ -175,7 +175,7 @@ python autotools_copy_aclocals () {
         if not os.path.exists(t):
             os.symlink(c, t)
 }
-autotools_copy_aclocals[vardepsexclude] += "MACHINE"
+autotools_copy_aclocals[vardepsexclude] += "MACHINE SDK_ARCH BUILD_ARCH BB_TASKDEPDATA"
 
 autotools_do_configure() {
 	# WARNING: gross hack follows: