diff -urNp old/configure.ac new/configure.ac

--- old/configure.ac	2017-02-02 14:20:33.230784269 +0100

+++ new/configure.ac	2017-02-02 14:22:53.528510336 +0100

@@ -63,7 +63,7 @@ xenable_intf_imb=yes

 xenable_intf_lipmi=yes

 xenable_intf_open=yes

 #xenable_intf_serial=yes

-xenable_intf_usb=no

+xenable_intf_usb=yes

 xenable_ipmishell=yes

 dnl set some things so we build with GNU tools on Solaris

@@ -209,7 +209,7 @@ fi

 dnl enable IPMI USB interface

 AC_ARG_ENABLE([intf-usb],

 	[AC_HELP_STRING([--enable-intf-usb],

-			[enable IPMI USB interface [default=auto]])],

+			[enable IPMI USB interface [default=yes]])],

 		[xenable_intf_usb=$enableval],

 		[xenable_intf_usb=$xenable_intf_usb])

 if test "x$xenable_intf_usb" = "xstatic" || test "x$xenable_intf_usb" = "xplugin"; then