How to config openocd for usb_blaster?

Hi ,

I want to use altera USB-Blaster for debug ,I configure as follow

./configure --enable-maintainer-mode --disable-werror --disable-shared --enable-usb_blaster --enable-ft2232_libftdi

after compile openocd can’t find usb-blaster interface.

I use openocd version is 4.0

best wishes

lee