--- gdb-7.6/gdb/common/linux-osdata.c.orig
+++ gdb-7.6/gdb/common/linux-osdata.c
@@ -27,6 +27,7 @@
 
 #include <sys/types.h>
 #include <sys/sysinfo.h>
+#include <sys/socket.h>
 #include <ctype.h>
 #include <stdlib.h>
 #include <string.h>