Index: boot/Makefile.build
===================================================================
--- boot/Makefile.build	(revision 53b9f2c3825e0a362ac71ad50183265aa5d20115)
+++ boot/Makefile.build	(revision 56763a4d059724c128e20677b9e9a6eb78f91222)
@@ -36,11 +36,6 @@
 DEFS = -DBOOT -DRELEASE=$(RELEASE) "-DCOPYRIGHT=$(COPYRIGHT)" "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__
 
-AFLAGS =
+AFLAGS = --fatal-warnings
 LFLAGS = --fatal-warnings --warn-common
-
-# FIXME: This condition is a workaround for issue #693.
-ifneq ($(BARCH),mips32)
-	AFLAGS += --fatal-warnings
-endif
 
 COMMON_CFLAGS = $(INCLUDES) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
