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/pashello/Makefile

@@ -37,7 +37,10 @@ include $(TOPDIR)/Make.defs
 
 # Pascal Add-On Example
 
-APPNAME = pashello
+PROGNAME = pashello
+PRIORITY = SCHED_PRIORITY_DEFAULT
+STACKSIZE = 2048
+MODULE = $(CONFIG_EXAMPLES_PASHELLO)
 
 ifeq ($(WINTOOL),y)
 INCDIROPT = -w
@@ -50,9 +53,4 @@ CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" \
 CSRCS = device.c
 MAINSRC = pashello.c
 
-CONFIG_XYZ_PROGNAME ?= pashello$(EXEEXT)
-PROGNAME = $(CONFIG_XYZ_PROGNAME)
-
-MODULE = CONFIG_EXAMPLES_PASHELLO
-
 include $(APPDIR)/Application.mk

examples/pashello/pashello.c

@@ -75,11 +75,7 @@
  * pashello_main
  ****************************************************************************/
 
-#ifdef BUILD_MODULE
 int main(int argc, FAR char *argv[])
-#else
-int pashello_main(int argc, FAR char *argv[])
-#endif
 {
   int exitcode = EXIT_SUCCESS;
   int ret;