Build dna binary with ndk

Android.mk

@@ -0,0 +1,35 @@
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+        client.c        \
+        export.c        \
+        overlay.c       \
+        responses.c     \
+        srandomdev.c    \
+        batman.c        \
+        dataformats.c   \
+        gateway.c       \
+        packetformats.c \
+        server.c        \
+        ciphers.c       \
+        dna.c           \
+        hlrdata.c       \
+        peers.c         \
+        simulate.c
+
+LOCAL_MODULE:= dna
+
+LOCAL_CFLAGS += \
+        -DSHELL -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" \
+        -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" \
+        -DHAVE_LIBC=1 -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 \
+        -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 \
+        -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_STDIO_H=1 \
+        -DHAVE_ERRNO_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRINGS_H=1 -DHAVE_UNISTD_H=1 \
+        -DHAVE_STRING_H=1 -DHAVE_ARPA_INET_H=1 -DHAVE_SYS_SOCKET_H=1 \
+        -DHAVE_SYS_MMAN_H=1 -DHAVE_SYS_TIME_H=1 -DHAVE_POLL_H=1 -DHAVE_NETDB_H=1
+
+include $(BUILD_EXECUTABLE)
+

overlay.c

@@ -124,7 +124,7 @@ int overlay_broadcast_ensemble(char *bytes,int len)
 
   memset(&s, '\0', sizeof(struct sockaddr_in));
   s.sin_family = AF_INET;
-  s.sin_port = (in_port_t)htons( PORT_OVERLAY );
+  s.sin_port = htons( PORT_OVERLAY );
   s.sin_addr.s_addr = htonl( INADDR_BROADCAST );
 
   if(sendto(overlay_socket, bytes, len, 0, (struct sockaddr *)&s, sizeof(struct sockaddr_in)) < 0)