ifndef CONFIG_64BIT
LDFLAGS := -m elf_s390
KBUILD_CFLAGS += -m31
-AFLAGS += -m31
+KBUILD_AFLAGS += -m31
UTS_MACHINE := s390
STACK_SIZE := 8192
CHECKFLAGS += -D__s390__ -msize-long
LDFLAGS := -m elf64_s390
MODFLAGS += -fpic -D__PIC__
KBUILD_CFLAGS += -m64
-AFLAGS += -m64
+KBUILD_AFLAGS += -m64
UTS_MACHINE := s390x
STACK_SIZE := 16384
CHECKFLAGS += -D__s390__ -D__s390x__
KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y)
KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare
-AFLAGS += $(aflags-y)
+KBUILD_AFLAGS += $(aflags-y)
OBJCOPYFLAGS := -O binary
LDFLAGS_vmlinux := -e start