diff -Naurp config/x86_32.mk config-redhat/x86_32.mk
--- config/x86_32.mk
+++ config-redhat/x86_32.mk
@@ -7,7 +7,7 @@ CONFIG_MIGRATE := y
 CONFIG_XCUTILS := y
 CONFIG_IOEMU := y
 
-CFLAGS += -m32 -march=i686
+CFLAGS += -m32 -march=i686 -minline-all-stringops
 LIBDIR := lib
 
 # Use only if calling $(LD) directly.
diff -Naurp config/x86_64.mk config-redhat/x86_64.mk
--- config/x86_64.mk
+++ config-redhat/x86_64.mk
@@ -8,7 +8,7 @@ CONFIG_MIGRATE := y
 CONFIG_XCUTILS := y
 CONFIG_IOEMU := y
 
-CFLAGS += -m64
+CFLAGS += -m64 -minline-all-stringops
 LIBDIR = $(LIB64DIR)
 
 # Use only if calling $(LD) directly.