system/bt/btif/src/btif_hf.c:631:44: error: no member named 'bind_cb' in 'bthf_callbacks_t'
                HAL_CBACK(bt_hf_callbacks, bind_cb,p_data->val.str,
                          ~~~~~~~~~~~~~~~  ^
system/bt/btif/../btif/include/btif_common.h:73:23: note: expanded from macro 'HAL_CBACK'
    if (P_CB && P_CB->P_CBACK) {            \
                ~~~~  ^
system/bt/btif/src/btif_hf.c:631:44: error: no member named 'bind_cb' in 'bthf_callbacks_t'
                HAL_CBACK(bt_hf_callbacks, bind_cb,p_data->val.str,
                          ~~~~~~~~~~~~~~~  ^
system/bt/btif/../btif/include/btif_common.h:75:15: note: expanded from macro 'HAL_CBACK'
        P_CB->P_CBACK(__VA_ARGS__);         \
        ~~~~  ^
system/bt/btif/src/btif_hf.c:639:44: error: no member named 'biev_cb' in 'bthf_callbacks_t'
                HAL_CBACK(bt_hf_callbacks, biev_cb, (bthf_hf_ind_type_t)p_data->val.lidx, (int)p_data->val.num,
                          ~~~~~~~~~~~~~~~  ^
system/bt/btif/../btif/include/btif_common.h:73:23: note: expanded from macro 'HAL_CBACK'
    if (P_CB && P_CB->P_CBACK) {            \
                ~~~~  ^
system/bt/btif/src/btif_hf.c:639:44: error: no member named 'biev_cb' in 'bthf_callbacks_t'
                HAL_CBACK(bt_hf_callbacks, biev_cb, (bthf_hf_ind_type_t)p_data->val.lidx, (int)p_data->val.num,
                          ~~~~~~~~~~~~~~~  ^
system/bt/btif/../btif/include/btif_common.h:75:15: note: expanded from macro 'HAL_CBACK'
        P_CB->P_CBACK(__VA_ARGS__);         \
        ~~~~  ^
system/bt/btif/src/btif_hf.c:639:54: error: use of undeclared identifier 'bthf_hf_ind_type_t'
                HAL_CBACK(bt_hf_callbacks, biev_cb, (bthf_hf_ind_type_t)p_data->val.lidx, (int)p_data->val.num,
                                                     ^
system/bt/btif/src/btif_hf.c:1136:34: error: unknown type name 'bthf_hf_ind_type_t'; did you mean 'bthf_chld_type_t'?
static bt_status_t bind_response(bthf_hf_ind_type_t ind_id, bthf_hf_ind_status_t ind_status,
                                 ^~~~~~~~~~~~~~~~~~
                                 bthf_chld_type_t
hardware/libhardware/include/hardware/bt_hf.h:75:3: note: 'bthf_chld_type_t' declared here
} bthf_chld_type_t;
  ^
system/bt/btif/src/btif_hf.c:1136:61: error: unknown type name 'bthf_hf_ind_status_t'
static bt_status_t bind_response(bthf_hf_ind_type_t ind_id, bthf_hf_ind_status_t ind_status,
                                                            ^
system/bt/btif/src/btif_hf.c:1148:43: error: use of undeclared identifier 'BTHF_HF_IND_ENABLED'
    ag_res.ind.on_demand = (ind_status == BTHF_HF_IND_ENABLED);
                                          ^
8 errors generated.
build/core/binary.mk:1005: recipe for target '/home/stuart/abc/out/target/product/hammerhead/obj/STATIC_LIBRARIES/libbtif_intermediates/src/btif_hf.o' failed
make: *** [/home/stuart/abc/out/target/product/hammerhead/obj/STATIC_LIBRARIES/libbtif_intermediates/src/btif_hf.o] Error 1
make: *** Waiting for unfinished jobs....
target thumb C: libbtif <= system/bt/btif/src/btif_hl.c

#### make failed to build some targets (08:03 (mm:ss)) ####

stuart@yamaha ~/abc $