configure.ac: Remove useless --enable-verbose-usb-io

_DEBUG_USB_IO_ was not actually used anywhere.
Its last user was the old ft2232 driver removed in Nov 2016
with commit cc2d4f015f72d7c30d613b50572eb9f31fac515a
("Remove since long deprecated ft2232 driver").

Change-Id: I1a98db7c7b03a89cc9347c0a66ec2106d2168c3f
Signed-off-by: R. Diez <rdiez-2006@rd10.de>
Reviewed-on: https://review.openocd.org/c/openocd/+/9002
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

diff --git a/configure.ac b/configure.ac
index e05aa6ac8172a5120c08b9b09f5ce251e752f097..e7f79760814cdd84958e6b0ef997ea9d1029cd86 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -262,34 +262,21 @@ AS_IF([test "x$enable_gcov" = "xyes"], [
   AC_DEFINE([USE_GCOV], [0], [0 to leave coverage collection disabled.])
 ])
 
-# set default verbose options, overridden by following options
-debug_usb_io=no
+# set default for debug_usb_comms, overridden by following options
 debug_usb_comms=no
 
 AC_ARG_ENABLE([verbose],
   AS_HELP_STRING([--enable-verbose],
       [Enable verbose JTAG I/O messages (for debugging).]),
   [
-  debug_usb_io=$enableval
   debug_usb_comms=$enableval
   ], [])
 
-AC_ARG_ENABLE([verbose_usb_io],
-  AS_HELP_STRING([--enable-verbose-usb-io],
-      [Enable verbose USB I/O messages (for debugging)]),
-  [debug_usb_io=$enableval], [])
-
 AC_ARG_ENABLE([verbose_usb_comms],
   AS_HELP_STRING([--enable-verbose-usb-comms],
       [Enable verbose USB communication messages (for debugging)]),
   [debug_usb_comms=$enableval], [])
 
-AC_MSG_CHECKING([whether to enable verbose USB I/O messages]);
-AC_MSG_RESULT([$debug_usb_io])
-AS_IF([test "x$debug_usb_io" = "xyes"], [
-  AC_DEFINE([_DEBUG_USB_IO_],[1], [Print verbose USB I/O messages])
-])
-
 AC_MSG_CHECKING([whether to enable verbose USB communication messages]);
 AC_MSG_RESULT([$debug_usb_comms])
 AS_IF([test "x$debug_usb_comms" = "xyes"], [