# Build problem

**URL:** <https://community.zeek.org/t/build-problem/362>\
**Category:** Zeek\
**Created:** [April 13, 2003, 9:40pm UTC](https://community.zeek.org/t/build-problem/362 "2003-04-13T21:40:56Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Bill\_McCarty](https://avatars.discourse-cdn.com/v4/letter/b/e8c25b/32.png) [@Bill\_McCarty](https://community.zeek.org/u/Bill_McCarty)\
**Post date:** [April 13, 2003, 9:40pm UTC](https://community.zeek.org/t/build-problem/362/1 "2003-04-13T21:40:56Z")

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Hi all,

I'm having trouble building bro, under Red Hat Linux 7.2. Apparently, there's a problem linking to the resolver library:

> g++ -o bro main.o net\_util.o util.o parse.o scan.o re-parse.o re-scan.o  
> rule-parse.o rule-scan.o Active.o Anon.o Attr.o BackDoor.o BroString.o  
> CCL.o CompHash.o Conn.o DFA.o Debug.o DebugCmds.o DbgBreakpoint.o  
> DbgWatch.o DbgHelp.o Desc.o Dict.o Discard.o DNS.o DNS\_Mgr.o EquivClass.o  
> Event.o Expr.o File.o Finger.o Frag.o Frame.o FTP.o Func.o Hash.o HTTP.o  
> ICMP.o ID.o Ident.o InterConn.o IntSet.o List.o Logger.o Login.o MIME.o  
> NFA.o NTP.o NVT.o Net.o NetbiosSSN.o NetVar.o Obj.o PktSrc.o PolicyFile.o  
> Portmap.o PriorityQueue.o Queue.o Reassem.o Rlogin.o RE.o RPC.o Rule.o  
> RuleMatcher.o RuleAction.o RuleCondition.o Scope.o Sessions.o SMTP.o  
> SSH.o SteppingStone.o Stmt.o TCP.o TCP\_Rewriter.o Telnet.o Timer.o Type.o  
> UDP.o Val.o Var.o XDR.o cq.o md5.o setsignal.o version.o nb\_dns.o  
> -Llibedit -ltermcap -ledit -lresolv -lpcap -lm nb\_dns.o: In function  
> `nb\_dns\_activity':  
> nb\_dns.o(.text+0x678): undefined reference to `\_\_ns\_initparse'  
> nb\_dns.o(.text+0x742): undefined reference to `\_ns\_flagdata'  
> nb\_dns.o(.text+0x748): undefined reference to `\_ns\_flagdata'  
> nb\_dns.o(.text+0x9bc): undefined reference to `\_\_ns\_parserr'  
> collect2: ld returned 1 exit status  
> make: \*\*\* [bro] Error 1

Thoughts?

Thanks!

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**Author:** ![Ruoming\_Pang1](https://avatars.discourse-cdn.com/v4/letter/r/7bcc69/32.png) [@Ruoming\_Pang1](https://community.zeek.org/u/Ruoming_Pang1)\
**Post date:** [April 13, 2003, 10:44pm UTC](https://community.zeek.org/t/build-problem/362/2 "2003-04-13T22:44:41Z")

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Bill,

Below is the answer provided by Olivier Grumelard.

Ruoming

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**Author:** ![Olivier\_Grumelard](https://avatars.discourse-cdn.com/v4/letter/o/ee59a6/32.png) [@Olivier\_Grumelard](https://community.zeek.org/u/Olivier_Grumelard)\
**Post date:** [April 13, 2003, 10:48pm UTC](https://community.zeek.org/t/build-problem/362/3 "2003-04-13T22:48:02Z")

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**Author:** ![Bill\_McCarty](https://avatars.discourse-cdn.com/v4/letter/b/e8c25b/32.png) [@Bill\_McCarty](https://community.zeek.org/u/Bill_McCarty)\
**Post date:** [April 13, 2003, 11:57pm UTC](https://community.zeek.org/t/build-problem/362/4 "2003-04-13T23:57:11Z")

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Hi Ruoming,

Got it, thanks: Now up and running!

Cheers,

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**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/zeek/original/1X/f09d732bc2cc7c7cc7e35db67cf4e1d5233ce7a7.png) [@system](https://community.zeek.org/u/system)\
**Post date:** [May 6, 2022, 3:36pm UTC](https://community.zeek.org/t/build-problem/362/5 "2022-05-06T15:36:44Z")

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