smite@rockbox:~/tmp/rockbox/utils/imx_hid_recovery$ make
gcc -Wall -O2 -std=c99 `pkg-config --libs --cflags libusb-1.0` -o imx_hid_recovery imx_hid_recovery.c
/tmp/ccaoR9wz.o: In function `main':
imx_hid_recovery.c:(.text.startup+0xb1): undefined reference to `libusb_init'
imx_hid_recovery.c:(.text.startup+0xc5): undefined reference to `libusb_set_debug'
imx_hid_recovery.c:(.text.startup+0xe1): undefined reference to `libusb_open_device_with_vid_pid'
imx_hid_recovery.c:(.text.startup+0x101): undefined reference to `libusb_detach_kernel_driver'
imx_hid_recovery.c:(.text.startup+0x115): undefined reference to `libusb_detach_kernel_driver'
imx_hid_recovery.c:(.text.startup+0x129): undefined reference to `libusb_claim_interface'
imx_hid_recovery.c:(.text.startup+0x13d): undefined reference to `libusb_claim_interface'
imx_hid_recovery.c:(.text.startup+0x2df): undefined reference to `libusb_control_transfer'
imx_hid_recovery.c:(.text.startup+0x366): undefined reference to `libusb_control_transfer'
imx_hid_recovery.c:(.text.startup+0x3a7): undefined reference to `libusb_interrupt_transfer'
imx_hid_recovery.c:(.text.startup+0x422): undefined reference to `libusb_open_device_with_vid_pid'
collect2: ld returned 1 exit status
make: *** [imx_hid_recovery] Error 1
smite@rockbox:~/tmp/rockbox/utils/imx_hid_recovery$ gcc -Wall -O2 -std=c99 -o imx_hid_recovery imx_hid_recovery.c `pkg-config --libs --cflags libusb-1.0`
smite@rockbox:~/tmp/rockbox/utils/imx_hid_recovery$