+PKG_CHECK_MODULES(BLKID, blkid >= 2.20)
+
+PKG_CHECK_MODULES(KMOD, libkmod >= 3)
+
+if test "x$cross_compiling" = "xno" ; then
+ AC_CHECK_FILES([/usr/share/pci.ids], [pciids=/usr/share/pci.ids])
+ AC_CHECK_FILES([/usr/share/hwdata/pci.ids], [pciids=/usr/share/hwdata/pci.ids])
+ AC_CHECK_FILES([/usr/share/misc/pci.ids], [pciids=/usr/share/misc/pci.ids])
+fi
+
+AC_ARG_WITH(usb-ids-path,
+ [AS_HELP_STRING([--with-usb-ids-path=DIR], [Path to usb.ids file])],
+ [USB_DATABASE=${withval}],
+ [if test -n "$usbids" ; then
+ USB_DATABASE="$usbids"
+ else
+ PKG_CHECK_MODULES(USBUTILS, usbutils >= 0.82)
+ AC_SUBST([USB_DATABASE], [$($PKG_CONFIG --variable=usbids usbutils)])
+ fi])
+AC_MSG_CHECKING([for USB database location])
+AC_MSG_RESULT([$USB_DATABASE])
+AC_SUBST(USB_DATABASE)
+
+AC_ARG_WITH(pci-ids-path,
+ [AS_HELP_STRING([--with-pci-ids-path=DIR], [Path to pci.ids file])],
+ [PCI_DATABASE=${withval}],
+ [if test -n "$pciids" ; then
+ PCI_DATABASE="$pciids"
+ else
+ AC_MSG_ERROR([pci.ids not found, try --with-pci-ids-path=])
+ fi])
+AC_MSG_CHECKING([for PCI database location])
+AC_MSG_RESULT([$PCI_DATABASE])
+AC_SUBST(PCI_DATABASE)
+
+AC_ARG_WITH([rootprefix],
+ AS_HELP_STRING([--with-rootprefix=DIR], [rootfs directory prefix for config files and kernel modules]),
+ [], [with_rootprefix=${ac_default_prefix}])
+AC_SUBST([rootprefix], [$with_rootprefix])
+