1--- a/configure
2+++ b/configure
3@@ -9281,8 +9281,7 @@ fi
4 { $as_echo "$as_me:${as_lineno-$LINENO}: checking libusb include dir" >&5
5 $as_echo_n "checking libusb include dir... " >&6; }
6 usb_incdir_found="no"
7- for _incdir in "" "/usr/include/libusb-1.0" \
8- "/usr/local/include/libusb-1.0" "/usr/pkg/include/libusb-1.0"; do
9+ for _incdir in "$($PKG_CONFIG --variable=includedir libusb-1.0)/libusb-1.0"; do
10 _libusb_save_cppflags=$CPPFLAGS
11 if test -n "${_incdir}"; then
12 CPPFLAGS="-I${_incdir} ${CPPFLAGS}"