1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 32b3936..c0378f4 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,9 @@ ifeq ($(UNIT),6)
   CFLAGS+=-D"MCLBN_FP_UNIT_SIZE=6"
   GO_TAG=bn384
 endif
+ifneq ($(MCL_MAX_BIT_SIZE),)
+  CFLAGS+=-DMCL_MAX_BIT_SIZE=$(MCL_MAX_BIT_SIZE)
+endif
 
 sample_test: $(EXE_DIR)/bls_smpl.exe
 	python bls_smpl.py