Re: Building nmap/ncat on Ubuntu

[Corey Chandler <lists () sequestered net>]

David Fifield wrote:
> On Tue, May 05, 2009 at 08:58:20PM -0700, Corey Chandler wrote:
>   
> > So I finally took the plunge, and dipped my toes into the Ubuntu river  
> > (so that makes nmap test environments of MacOS X, FreeBSD, CentOS, and  
> > now Ubuntu-- phew!).  My own opinions aside, I'm having a bit of  
> > difficulty getting nmap to compile from SVN-- it chokes on what looks  
> > like a flex error, but flex is already installed; any advice would be  
> > appreciated.
> >
> > I've already installed gcc-g++, bison, openssl's development libraries,  
> > and flex (as a shot in the dark):
> >
> > ../libpcap/libpcap.a(gencode.o): In function `pcap_compile':
> > /home/jchandler/sources/nmap/libpcap/./gencode.c:382: undefined  
> > reference to `lex_init'
> > /home/jchandler/sources/nmap/libpcap/./gencode.c:384: undefined  
> > reference to `pcap_parse'
> > /home/jchandler/sources/nmap/libpcap/./gencode.c:401: undefined  
> > reference to `lex_cleanup'
> > /home/jchandler/sources/nmap/libpcap/./gencode.c:368: undefined  
> > reference to `lex_cleanup'
> > ../libpcap/libpcap.a(grammar.o): In function `yyparse':
> > /home/jchandler/sources/nmap/libpcap/y.tab.c:1877: undefined reference  
> > to `yylex'
> > collect2: ld returned 1 exit status
> > make[1]: *** [ncat] Error 1
> > make[1]: Leaving directory `/home/jchandler/sources/nmap/ncat'
> > make: *** [ncat_build] Error 2
> > jchandler@Conscience:~/sources/nmap$
> >     
>
> Maybe try "make distclean" in libpcap and reconfigure. If that doesn't
> work, "make distclean" again, reconfigure, then "touch scanner.c". That
> ought to keep scanner.c from being regenerated.
>   
Thanks-- JUST sorted this out an hour ago, actually-- your timing is 
spooky.  The problem was that I didn't have a complete set of buildtools 
installed-- didn't realize the packages were named slightly differently 
than on CentOS / Fedora / RHEL.  Thanks for following up, though!

--
Corey Chandler / KB1JWQ
Living Legend / Systems Exorcist
Today's Excuse: somebody was calculating pi on the server


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