Add support so that fdopen() may be used on socket descriptors

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3659 42af7a65-404d-4744-a932-0658087f49c3

net/Makefile

@@ -36,27 +36,42 @@
 -include $(TOPDIR)/Make.defs
 
 ifeq ($(CONFIG_NET),y)
-SOCK_ASRCS	=
-SOCK_CSRCS	= bind.c connect.c getsockname.c recv.c recvfrom.c socket.c \
+
+# Basic networking support
+
+SOCK_ASRCS =
+SOCK_CSRCS = bind.c connect.c getsockname.c recv.c recvfrom.c socket.c \
 		  sendto.c net_sockets.c net_close.c net_dup.c net_dup2.c net_clone.c \
 		  net_vfcntl.c
 
+# TCP/IP support
+
 ifeq ($(CONFIG_NET_TCP),y)
-SOCK_CSRCS	+= send.c listen.c accept.c 
+SOCK_CSRCS += send.c listen.c accept.c 
 endif
 
+# Socket options
+
 ifeq ($(CONFIG_NET_SOCKOPTS),y)
-SOCK_CSRCS	+= setsockopt.c getsockopt.c 
+SOCK_CSRCS += setsockopt.c getsockopt.c 
 ifneq ($(CONFIG_DISABLE_CLOCK),y)
-SOCK_CSRCS	+= net_timeo.c net_dsec2timeval.c net_timeval2dsec.c
+SOCK_CSRCS += net_timeo.c net_dsec2timeval.c net_timeval2dsec.c
 ifneq ($(CONFIG_NET_SLIP),y)
-SOCK_CSRCS	+= net_arptimer.c
+SOCK_CSRCS += net_arptimer.c
 endif
 endif
 endif
 
-NETDEV_ASRCS	=
-NETDEV_CSRCS	= netdev_register.c netdev_ioctl.c net_poll.c netdev_txnotify.c \
+# Support for network access using streams
+
+ifneq ($(CONFIG_NFILE_STREAMS),0)
+SOCK_CSRCS += net_checksd.c 
+endif
+
+# Support for operations on network devices
+
+NETDEV_ASRCS =
+NETDEV_CSRCS = netdev_register.c netdev_ioctl.c net_poll.c netdev_txnotify.c \
 		  netdev_findbyname.c netdev_findbyaddr.c netdev_count.c \
 		  netdev_foreach.c netdev_unregister.c