Misc changes to get a clean compilation after incorporating all of Bob Doison's changes

examples/cpuhog/Kconfig

@@ -4,10 +4,19 @@
 #
 
 config EXAMPLES_CPUHOG
-    bool "CPU Hog"
+    bool "CPU hog"
     default n
     ---help---
         Enable the cpuhog example
 
 if EXAMPLES_CPUHOG
+
+config EXAMPLES_CPUHOG_STACKSIZE
+	int "CPU hog stack size"
+	default 2048
+
+config EXAMPLES_CPUHOG_PRIORITY
+	int "CPU hog task priority"
+	default 50
+
 endif

examples/cpuhog/Makefile

@@ -62,9 +62,12 @@ ROOTDEPPATH = --dep-path .
 
 # Built-in application info
 
+ONFIG_EXAMPLES_CPUHOG_PRIORITY ?= 50
+CONFIG_EXAMPLES_CPUHOG_STACKSIZE ?= 2048
+
 APPNAME = cpuhog
-PRIORITY = SCHED_PRIORITY_LOW
+PRIORITY = $(CONFIG_EXAMPLES_CPUHOG_PRIORITY)
-STACKSIZE = 1024
+STACKSIZE = $(CONFIG_EXAMPLES_CPUHOG_STACKSIZE)
 
 # Common build
 

examples/serialblaster/serialblaster_main.c

@@ -68,13 +68,16 @@ static const char s[] = "abcdefghijklmnopqrstuvwxyz";
 
 int serialblaster_main(int argc, char *argv[])
 {
+  int ret;
+
   while (1)
     {
 #ifdef BUFFERED_IO
-      int ret = fputs(s, stdout);
+      ret = fputs(s, stdout);
 #else
-      int ret = write(1, s, sizeof(s)-1);
+      ret = write(1, s, sizeof(s)-1);
 #endif
+      UNUSED(ret);
     }
 
   return 0;

examples/serialrx/Kconfig

@@ -10,4 +10,13 @@ config EXAMPLES_SERIALRX
 		Enable the serial RX example
 
 if EXAMPLES_SERIALRX
+
+config EXAMPLES_SERIALRX_STACKSIZE
+	int "Serial Rx stack size"
+	default 2048
+
+config EXAMPLES_SERIALRX_PRIORITY
+	int "Serial Rx task priority"
+	default 50
+
 endif

examples/serialrx/Makefile

@@ -62,9 +62,12 @@ ROOTDEPPATH = --dep-path .
 
 # Built-in application info
 
+CONFIG_EXAMPLES_SERIALRX_PRIORITY ?= 50
+CONFIG_EXAMPLES_SERIALRX_STACKSIZE ?= 2048
+
 APPNAME = serialrx
-PRIORITY = SCHED_PRIORITY_LOW
+PRIORITY = $(CONFIG_EXAMPLES_SERIALRX_PRIORITY)
-STACKSIZE = 2048
+STACKSIZE = $(CONFIG_EXAMPLES_SERIALRX_STACKSIZE)
 
 # Common build