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/thttpd/Makefile

@@ -46,8 +46,10 @@ else
   CONTENT_MAKE += -f Makefile.nxflat
 endif
 
-CONFIG_XYZ_PROGNAME ?= thttpd$(EXEEXT)
-PROGNAME = $(CONFIG_XYZ_PROGNAME)
+PROGNAME = thttp
+PRIORITY = SCHED_PRIORITY_DEFAULT
+STACKSIZE = 2048
+MODULE = $(CONFIG_EXAMPLES_THTTPD)
 
 # Common build
 
@@ -63,6 +65,4 @@ depend::
 clean::
 	@$(CONTENT_MAKE) clean TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" CROSSDEV=$(CROSSDEV)
 
-MODULE = CONFIG_EXAMPLES_THTTPD
-
 include $(APPDIR)/Application.mk

examples/thttpd/content/Makefile.binfs

@@ -35,10 +35,7 @@
 
 include $(TOPDIR)/Make.defs
 
-CONFIG_THTTPD_CGI_PRIORITY ?= 100
-CONFIG_THTTPD_CGI_STACKSIZE ?= 2048
-
-APPNAME = hello tasks
+PROGNAME = hello tasks
 PRIORITY = $(CONFIG_THTTPD_CGI_PRIORITY)
 STACKSIZE = $(CONFIG_THTTPD_CGI_STACKSIZE)
 
@@ -50,8 +47,6 @@ ROMFS_HDR = $(CONTENT_DIR)/romfs.h
 
 CSRCS = hello.c tasks.c
 
-PROGNAME = hello$(EXEEXT) tasks$(EXEEXT)
-
 ROOTDEPPATH += --dep-path hello --dep-path tasks
 VPATH += :hello:tasks
 
@@ -87,6 +82,4 @@ clean::
 	$(call DELFILE, $(ROMFS_IMG))
 	@rm -rf $(ROMFS_DIR)
 
-MODULE = CONFIG_EXAMPLES_THTTPD
-
 include $(APPDIR)/Application.mk

examples/thttpd/thttpd_main.c

@@ -190,11 +190,7 @@ int                         g_thttpdnsymbols;
  * thttp_main
  ****************************************************************************/
 
-#ifdef BUILD_MODULE
 int main(int argc, FAR char *argv[])
-#else
-int thttp_main(int argc, char *argv[])
-#endif
 {
   struct in_addr addr;
 #ifdef CONFIG_EXAMPLES_THTTPD_NOMAC