diff -Naurp catalyst-2.0.18.stage3-fixes/modules/generic_stage_target.py catalyst-2.0.18.asflags/modules/generic_stage_target.py
--- catalyst-2.0.18.stage3-fixes/modules/generic_stage_target.py	2015-01-08 23:44:23.000000000 -0500
+++ catalyst-2.0.18.asflags/modules/generic_stage_target.py	2015-02-03 05:15:03.331626513 -0500
@@ -15,8 +15,9 @@ class generic_stage_target(generic_targe
 
 		self.valid_values.extend(["version_stamp","target","subarch",\
 			"rel_type","profile","snapshot","source_subpath","portage_confdir",\
-			"cflags","cxxflags","ldflags","cbuild","hostuse","portage_overlay",\
-			"distcc_hosts","makeopts","pkgcache_path","kerncache_path"])
+			"cflags","cxxflags","ldflags","asflags","cbuild","hostuse",\
+			"portage_overlay","distcc_hosts","makeopts","pkgcache_path",\
+			"kerncache_path"])
 
 		self.set_valid_build_kernel_vars(addlargs)
 		generic_target.__init__(self,myspec,addlargs)
@@ -257,6 +258,10 @@ class generic_stage_target(generic_targe
 		if "LDFLAGS" in self.makeconf:
 			self.settings["LDFLAGS"]=self.makeconf["LDFLAGS"]
 
+	def override_asflags(self):
+		if "ASFLAGS" in self.makeconf:
+			self.settings["ASFLAGS"]=self.makeconf["ASFLAGS"]
+
 	def set_install_mask(self):
 		if "install_mask" in self.settings:
 			if type(self.settings["install_mask"])!=types.StringType:
@@ -988,6 +993,7 @@ class generic_stage_target(generic_targe
 		self.override_cflags()
 		self.override_cxxflags()
 		self.override_ldflags()
+		self.override_asflags()
 		if "AUTORESUME" in self.settings \
 			and os.path.exists(self.settings["autoresume_path"]+"chroot_setup"):
 			print "Resume point detected, skipping chroot_setup operation..."
@@ -1048,6 +1054,9 @@ class generic_stage_target(generic_targe
 			if "LDFLAGS" in self.settings:
 				myf.write("# LDFLAGS is unsupported.  USE AT YOUR OWN RISK!\n")
 				myf.write('LDFLAGS="'+self.settings["LDFLAGS"]+'"\n')
+			if "ASFLAGS" in self.settings:
+				myf.write("# ASFLAGS is unsupported.  USE AT YOUR OWN RISK!\n")
+				myf.write('ASFLAGS="'+self.settings["ASFLAGS"]+'"\n')
 			if "CBUILD" in self.settings:
 				myf.write("# This should not be changed unless you know exactly what you are doing.  You\n# should probably be using a different stage, instead.\n")
 				myf.write('CBUILD="'+self.settings["CBUILD"]+'"\n')
diff -Naurp catalyst-2.0.18.stage3-fixes/modules/stage1_target.py catalyst-2.0.18.asflags/modules/stage1_target.py
--- catalyst-2.0.18.stage3-fixes/modules/stage1_target.py	2015-01-08 23:44:23.000000000 -0500
+++ catalyst-2.0.18.asflags/modules/stage1_target.py	2015-02-03 03:52:45.561655866 -0500
@@ -48,6 +48,10 @@ class stage1_target(generic_stage_target
 		if "ldflags" in self.settings:
 			self.settings["LDFLAGS"]=list_to_string(self.settings["ldflags"])
 
+	def override_asflags(self):
+		if "asflags" in self.settings:
+			self.settings["ASFLAGS"]=list_to_string(self.settings["asflags"])
+
 	def set_portage_overlay(self):
 		generic_stage_target.set_portage_overlay(self)
 		if "portage_overlay" in self.settings:
diff -Naurp catalyst-2.0.18.stage3-fixes/modules/stage2_target.py catalyst-2.0.18.asflags/modules/stage2_target.py
--- catalyst-2.0.18.stage3-fixes/modules/stage2_target.py	2015-01-08 23:44:23.000000000 -0500
+++ catalyst-2.0.18.asflags/modules/stage2_target.py	2015-02-03 03:52:45.561655866 -0500
@@ -49,6 +49,10 @@ class stage2_target(generic_stage_target
 		if "ldflags" in self.settings:
 			self.settings["LDFLAGS"]=list_to_string(self.settings["ldflags"])
 
+	def override_asflags(self):
+		if "asflags" in self.settings:
+			self.settings["ASFLAGS"]=list_to_string(self.settings["asflags"])
+
 	def set_portage_overlay(self):
 			generic_stage_target.set_portage_overlay(self)
 			if "portage_overlay" in self.settings:
diff -Naurp catalyst-2.0.18.stage3-fixes/modules/stage3_target.py catalyst-2.0.18.asflags/modules/stage3_target.py
--- catalyst-2.0.18.stage3-fixes/modules/stage3_target.py	2015-02-03 03:50:33.911656649 -0500
+++ catalyst-2.0.18.asflags/modules/stage3_target.py	2015-02-03 03:52:45.561655866 -0500
@@ -31,6 +31,10 @@ class stage3_target(generic_stage_target
 		if "ldflags" in self.settings:
 			self.settings["LDFLAGS"]=list_to_string(self.settings["ldflags"])
 
+	def override_asflags(self):
+		if "asflags" in self.settings:
+			self.settings["ASFLAGS"]=list_to_string(self.settings["asflags"])
+
 	def set_portage_overlay(self):
 		generic_stage_target.set_portage_overlay(self)
 		if "portage_overlay" in self.settings: