Application.mk and main.c files: Change builtin's entry point from main to xxx_main by macro expansion. This change make the entry point fully compliant with POSIX/ANSI standard.

examples/netloop/Kconfig

@@ -11,7 +11,6 @@ config EXAMPLES_NETLOOP
 		Enable the local loopback example
 
 if EXAMPLES_NETLOOP
-if NSH_BUILTIN_APPS
 
 config EXAMPLES_NETLOOP_KEEPALIVE
 	bool "Enable TCP KeepAlive test"
@@ -26,5 +25,4 @@ config EXAMPLES_NETLOOP_PRIORITY
 	int "Loopback test task priority"
 	default 100
 
-endif # NSH_BUILTIN_APPS
 endif # EXAMPLES_NETLOOP

examples/netloop/Makefile

@@ -40,16 +40,9 @@ include $(TOPDIR)/Make.defs
 CSRCS = lo_listener.c
 MAINSRC = lo_main.c
 
-CONFIG_EXAMPLES_NETLOOP_STACKSIZE ?= 2048
-CONFIG_EXAMPLES_NETLOOP_PRIORITY ?= 100
-
-APPNAME = netloop
+PROGNAME = netloop
 PRIORITY = $(CONFIG_EXAMPLES_NETLOOP_PRIORITY)
 STACKSIZE = $(CONFIG_EXAMPLES_NETLOOP_STACKSIZE)
-
-CONFIG_XYZ_PROGNAME ?= netloop$(EXEEXT)
-PROGNAME = $(CONFIG_XYZ_PROGNAME)
-
-MODULE = CONFIG_EXAMPLES_NETLOOP
+MODULE = $(CONFIG_EXAMPLES_NETLOOP)
 
 include $(APPDIR)/Application.mk

examples/netloop/lo_main.c

@@ -249,11 +249,7 @@ errout_with_socket:
  * Name: netloop_main
  ****************************************************************************/
 
-#ifdef BUILD_MODULE
 int main(int argc, FAR char *argv[])
-#else
-int netloop_main(int argc, char *argv[])
-#endif
 {
   pthread_t tid;
   int ret;