Fix build issues

ChangeLog

@@ -1,3 +1,7 @@
+2005-07-05  Thomas Graf <tgraf@suug.ch>
+
+	* Build check for GNU Bison
+
 2005-06-23  Jamal Hadi Salim <hadi@znyx.com>
 
 	* Fix for options process with ipt

Makefile

@@ -31,10 +31,17 @@ SUBDIRS=lib ip tc misc netem
 
 LIBNETLINK=../lib/libnetlink.a ../lib/libutil.a
 
-all: Config
+all: flex_check Config
 	@for i in $(SUBDIRS); \
 	do $(MAKE) $(MFLAGS) -C $$i; done
 
+flex_check:
+	@if [ -z "`flex -h | grep '^Usage: flex '`" ]; then \
+		echo "GNU flex required, please install it."; \
+		echo " see http://lex.sourceforge.net"; \
+		exit 1; \
+	fi
+
 Config:
 	sh configure $(KERNEL_INCLUDE)
 

misc/ss.c

@@ -1338,6 +1338,7 @@ static void tcp_show_info(const struct nlmsghdr *nlh, struct tcpdiagmsg *r)
 			if (info->tcpi_options & TCPI_OPT_ECN)
 				printf(" ecn");
 		}
+
 		if (tb[TCPDIAG_CONG])
 			printf("%s", (char *) RTA_DATA(tb[TCPDIAG_CONG]));