fix variable set but not used

boot/mcuboot/Makefile

@@ -38,7 +38,7 @@ PRIORITY  += SCHED_PRIORITY_DEFAULT
 STACKSIZE += $(CONFIG_DEFAULT_TASK_STACKSIZE)
 endif
 
-CFLAGS += -Wno-undef
+CFLAGS += -Wno-undef -Wno-unused-but-set-variable
 
 CSRCS := $(MCUBOOT_UNPACK)/boot/bootutil/src/boot_record.c \
          $(MCUBOOT_UNPACK)/boot/bootutil/src/bootutil_misc.c \

lte/alt1250/alt1250_main.c

@@ -96,6 +96,7 @@ static void notify_to_lapi_caller(sem_t *syncsem)
 static int initialize_daemon(FAR struct alt1250_s *dev)
 {
   int ret;
+  UNSED(ret);
 
   /* Initialize sub-system */
 

modbus/nuttx/porttimer.c

@@ -105,6 +105,7 @@ void vMBPortTimersEnable(void)
 {
   int res = gettimeofday(&xTimeLast, NULL);
 
+  UNUSED(res);
   DEBUGASSERT(res == 0);
   bTimeoutEnable = true;
 }

system/adb/Makefile

@@ -34,6 +34,12 @@ $(ADB_UNPACKDIR):
 	$(call DELFILE, $(ADB_VERSION).zip)
 	$(call MOVEFILE, $(ADB_UNPACKNAME)-$(ADB_VERSION), $(ADB_UNPACKDIR))
 
+# Fix warnings in microADB
+# Error: microADB/hal/hal_uv_client_usb.c:90:13: error: unused variable 'ret' [-Werror=unused-variable]
+#  90 |         int ret = uv_read_start((uv_stream_t*)&client->pipe,
+
+CFLAGS += -Wno-error=unused-variable
+
 # adb server app
 
 PROGNAME  := $(CONFIG_ADBD_PROGNAME)

system/adb/logcat_service.c

@@ -67,6 +67,7 @@ static void logcat_on_kick(struct adb_service_s *service)
   if (!svc->wait_ack)
     {
       int ret;
+      UNUSED(ret);
       ret = uv_poll_start(&svc->poll, UV_READABLE, logcat_on_data_available);
       assert(ret == 0);
     }
@@ -93,6 +94,7 @@ static void logcat_on_close(struct adb_service_s *service)
   int ret;
   logcat_service_t *svc = container_of(service, logcat_service_t, service);
 
+  UNUSED(ret);
   ret = uv_fileno((uv_handle_t *)&svc->poll, &fd);
   assert(ret == 0);
 

testing/getprime/getprime_main.c

@@ -119,6 +119,7 @@ static void get_prime_in_parallel(int n)
   int status;
   int i;
 
+  UNUSED(status);
   status = pthread_attr_init(&attr);
   ASSERT(status == OK);