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-rw-r--r--arch/s390/purgatory/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile
index 85b05c9e40f5..bc0d7a0d0394 100644
--- a/arch/s390/purgatory/Makefile
+++ b/arch/s390/purgatory/Makefile
@@ -10,6 +10,8 @@ PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))
$(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE
$(call if_changed_rule,cc_o_c)
+CFLAGS_sha256.o := -D__DISABLE_EXPORTS
+
$(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE
$(call if_changed_rule,as_o_S)