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-rw-r--r--extmod/extmod.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/extmod/extmod.mk b/extmod/extmod.mk
index 40f4237ce..ee9372e18 100644
--- a/extmod/extmod.mk
+++ b/extmod/extmod.mk
@@ -294,7 +294,7 @@ SRC_THIRDPARTY_C += $(addprefix $(BTREE_DIR)/,\
CFLAGS_EXTMOD += -DMICROPY_PY_BTREE=1
# we need to suppress certain warnings to get berkeley-db to compile cleanly
# and we have separate BTREE_DEFS so the definitions don't interfere with other source code
-$(BUILD)/$(BTREE_DIR)/%.o: CFLAGS += -Wno-old-style-definition -Wno-sign-compare -Wno-unused-parameter $(BTREE_DEFS)
+$(BUILD)/$(BTREE_DIR)/%.o: CFLAGS += -Wno-old-style-definition -Wno-sign-compare -Wno-unused-parameter -Wno-deprecated-non-prototype -Wno-unknown-warning-option $(BTREE_DEFS)
$(BUILD)/extmod/modbtree.o: CFLAGS += $(BTREE_DEFS)
endif