+
+ AC_CHECK_LIB([acl], [acl_init], [:], AC_MSG_ERROR([libacl not found]))
+ AC_CHECK_HEADER([acl/libacl.h], [:], AC_MSG_ERROR([libacl header not found]))
+
+ PKG_CHECK_MODULES(LIBUSB, libusb >= 0.1.12)
+ AC_SUBST(LIBUSB_CFLAGS)
+ AC_SUBST(LIBUSB_LIBS)