static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist);
static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
-X509V3_EXT_METHOD v3_bcons = {
+const X509V3_EXT_METHOD v3_bcons = {
NID_basic_constraints, 0,
ASN1_ITEM_ref(BASIC_CONSTRAINTS),
0,0,0,0,