First few FreeBSD portability fixes.

sysdep/unix/io.c

@@ -8,6 +8,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -216,6 +217,10 @@ tm_shot(void)
  *	Sockets
  */
 
+#ifndef SOL_IP
+#define SOL_IP IPPROTO_IP
+#endif
+
 static list sock_list;
 
 static void

tools/Makefile-top.in

@@ -8,7 +8,7 @@ all depend:
 
 clean:
 	$(MAKE) -C $(objdir) clean
-	rm -f `find . -name "*~" -or -name "*.[oa]" -or -name "\#*\#" -or -name TAGS -or -name core -or -name depend -or -name .#*`
+	find . -name "*~" -or -name "*.[oa]" -or -name "\#*\#" -or -name TAGS -or -name core -or -name depend -or -name .#* | xargs rm -f
 
 distclean: clean
 	rm -rf $(objdir)

tools/Makefile.in

@@ -25,7 +25,7 @@ $(exedir)/bird: $(addsuffix /all.o, $(static-dirs)) conf/all.o lib/birdlib.a
 	touch .dep-stamp
 
 clean:
-	rm -f `find . -name "*.[oa]" -or -name core -or -name depend`
+	find . -name "*.[oa]" -or -name core -or -name depend | xargs rm -f
 	rm -f $(exedir)/bird .dep-stamp
 
 distclean: clean