diff --git a/sdk/tlibc/Makefile b/sdk/tlibc/Makefile | |
index 9aee436..acc73cf 100644 | |
--- a/sdk/tlibc/Makefile | |
+++ b/sdk/tlibc/Makefile | |
@@ -33,7 +33,7 @@ include ../../buildenv.mk | |
CFLAGS += $(ENCLAVE_CFLAGS) | |
ASFLAGS := $(CFLAGS) | |
-CFLAGS += -std=c99 | |
+CFLAGS += -std=c99 -D USE_MALLOC_DEPRECATED | |
CXXFLAGS += $(ENCLAVE_CXXFLAGS) -fno-exceptions -fno-rtti | |
CPPFLAGS += -I. \ |