=== modified file 'configure.ac'
--- configure.ac	2012-04-19 17:59:11 +0000
+++ configure.ac	2012-04-19 17:59:16 +0000
@@ -120,7 +120,7 @@ fi
 
 # Check for libusb 0.x
 if test x"$found_libusb1_pkg" = "xno" ; then
-   if test x"$ac_cv_lib_openusb_openusb_init" = "xno" ; then
+   if test x"$ac_cv_lib_openusb_openusb_init" != "xyes" ; then
       PKG_CHECK_MODULES(LIBUSB, libusb >= 0.1.8, found_libusb0_pkg=yes, found_libusb0_pkg=no)
       if test x"$found_libusb0_pkg" = "xyes" ; then
          LIBUSB_VER=`pkg-config --modversion libusb`