configure - set USE_USBUTILS when usbutils is required and use it in the code

api.c

@@ -577,7 +577,7 @@ struct CODES {
  { SEVERITY_ERR,   MSG_ZERINV,	PARAM_STR,	"Invalid zero parameter '%s'" },
  { SEVERITY_SUCC,  MSG_ZERSUM,	PARAM_STR,	"Zeroed %s stats with summary" },
  { SEVERITY_SUCC,  MSG_ZERNOSUM, PARAM_STR,	"Zeroed %s stats without summary" },
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
  { SEVERITY_ERR,   MSG_USBNODEV, PARAM_PGA,	"PGA%d has no device" },
 #endif
  { SEVERITY_ERR,   MSG_INVHPLG,	PARAM_STR,	"Invalid value for hotplug (%s) must be 0..9999" },
@@ -1440,7 +1440,7 @@ static void minerconfig(struct io_data *io_data, __maybe_unused SOCKETTYPE c, __
 	root = api_add_int(root, "ScanTime", &opt_scantime, false);
 	root = api_add_int(root, "Queue", &opt_queue, false);
 	root = api_add_int(root, "Expiry", &opt_expiry, false);
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 	if (hotplug_time == 0)
 		root = api_add_const(root, "Hotplug", DISABLED, false);
 	else
@@ -1607,7 +1607,7 @@ static void pgastatus(struct io_data *io_data, int pga, bool isjson, bool precom
 		root = api_add_diff(root, "Difficulty Accepted", &(cgpu->diff_accepted), false);
 		root = api_add_diff(root, "Difficulty Rejected", &(cgpu->diff_rejected), false);
 		root = api_add_diff(root, "Last Share Difficulty", &(cgpu->last_share_diff), false);
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 		root = api_add_bool(root, "No Device", &(cgpu->usbinfo.nodev), false);
 #endif
 		root = api_add_time(root, "Last Valid Work", &(cgpu->last_device_valid_work), false);
@@ -1828,7 +1828,7 @@ static void pgaenable(struct io_data *io_data, __maybe_unused SOCKETTYPE c, char
 	}
 #endif
 
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 	if (cgpu->usbinfo.nodev) {
 		message(io_data, MSG_USBNODEV, id, NULL, isjson);
 		return;
@@ -3185,7 +3185,7 @@ static void usbstats(struct io_data *io_data, __maybe_unused SOCKETTYPE c, __may
 {
 	struct api_data *root = NULL;
 
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 	char buf[TMPBUFSIZ];
 	bool io_open = false;
 	int count = 0;
@@ -3198,8 +3198,7 @@ static void usbstats(struct io_data *io_data, __maybe_unused SOCKETTYPE c, __may
 		return;
 	}
 
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
-
 	message(io_data, MSG_USBSTA, 0, NULL, isjson);
 
 	if (isjson)
@@ -3332,7 +3331,7 @@ static void dozero(struct io_data *io_data, __maybe_unused SOCKETTYPE c, char *p
 
 static void dohotplug(struct io_data *io_data, __maybe_unused SOCKETTYPE c, __maybe_unused char *param, bool isjson, __maybe_unused char group)
 {
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 	int value;
 
 	if (param == NULL || *param == '\0') {

cgminer.c

@@ -157,7 +157,7 @@ static int input_thr_id;
 #endif
 int gpur_thr_id;
 static int api_thr_id;
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 static int hotplug_thr_id;
 #endif
 static int total_control_threads;
@@ -987,7 +987,7 @@ static struct opt_table opt_config_table[] = {
 #endif
 	OPT_WITH_ARG("--hotplug",
 		     set_int_0_to_9999, NULL, &hotplug_time,
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 		     "Seconds between hotplug checks (0 means never check)"
 #else
 		     opt_hidden
@@ -2038,7 +2038,7 @@ static void curses_print_devstatus(int thr_id)
 	suffix_string(dh64, displayed_hashes, 4);
 	suffix_string(dr64, displayed_rolling, 4);
 
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 	if (cgpu->usbinfo.nodev)
 		wprintw(statuswin, "ZOMBIE");
 	else
@@ -2806,7 +2806,7 @@ static void __kill_work(void)
 
 	applog(LOG_INFO, "Received kill message");
 
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 	/* Best to get rid of it first so it doesn't
 	 * try to create any new devices */
 	if (!opt_scrypt) {
@@ -2852,7 +2852,7 @@ static void __kill_work(void)
 	thr = &control_thr[api_thr_id];
 	thr_info_cancel(thr);
 
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 	/* Release USB resources in case it's a restart
 	 * and not a QUIT */
 	if (!opt_scrypt) {
@@ -6789,7 +6789,7 @@ struct device_drv *copy_drv(struct device_drv *drv)
 	return copy;
 }
 
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 static void hotplug_process()
 {
 	struct thr_info *thr;
@@ -7405,7 +7405,7 @@ begin_bench:
 	if (thr_info_create(thr, NULL, api_thread, thr))
 		quit(1, "API thread create failed");
 
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 	if (!opt_scrypt) {
 		hotplug_thr_id = 6;
 		thr = &control_thr[hotplug_thr_id];

configure.ac

@@ -271,7 +271,6 @@ else
 	])
 fi
 
-
 AM_CONDITIONAL([NEED_FPGAUTILS], [test x$icarus$bitforce$modminer$ztex != xnononono])
 AM_CONDITIONAL([NEED_USBUTILS_C], [test x$bitforce$modminer != xnono])
 AM_CONDITIONAL([HAVE_CURSES], [test x$curses = xyes])
@@ -279,6 +278,10 @@ AM_CONDITIONAL([WANT_JANSSON], [test x$request_jansson = xtrue])
 AM_CONDITIONAL([HAVE_WINDOWS], [test x$have_win32 = xtrue])
 AM_CONDITIONAL([HAVE_x86_64], [test x$have_x86_64 = xtrue])
 
+if test "x$bitforce$modminer" != xnono; then
+	AC_DEFINE([USE_USBUTILS], [1], [Defined to 1 if usbutils support required])
+fi
+
 if test x$request_jansson = xtrue
 then
 	JANSSON_LIBS="compat/jansson/libjansson.a"

miner.h

@@ -114,7 +114,7 @@ static inline int fsync (int fd)
   #include "libztex.h"
 #endif
 
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
   #include "usbutils.h"
 #endif
 
@@ -408,14 +408,14 @@ struct cgpu_info {
 #ifdef USE_ZTEX
 		struct libztex_device *device_ztex;
 #endif
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 		struct cg_usb_device *usbdev;
 #endif
 #ifdef USE_ICARUS
 		int device_fd;
 #endif
 	};
-#if defined(USE_MODMINER) || defined(USE_BITFORCE)
+#ifdef USE_USBUTILS
 	struct cg_usb_info usbinfo;
 #endif
 #ifdef USE_MODMINER