--- a/configure
+++ b/configure
@@ -8987,8 +8987,7 @@
    { $as_echo "$as_me:${as_lineno-$LINENO}: checking libusb include dir" >&5
 $as_echo_n "checking libusb include dir... " >&6; }
    usb_incdir_found="no"
-   for _incdir in "" "/usr/include/libusb-1.0" \
-       "/usr/local/include/libusb-1.0" "/usr/pkg/include/libusb-1.0"; do
+   for _incdir in "$($PKG_CONFIG --variable=includedir libusb-1.0)/libusb-1.0"; do
      _libusb_save_cppflags=$CPPFLAGS
      if test -n "${_incdir}"; then
        CPPFLAGS="-I${_incdir} ${CPPFLAGS}"