Building nmap/ncat on Ubuntu

[Corey Chandler <lists () sequestered net>]

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$



--
Corey Chandler / KB1JWQ
Living Legend / Systems Exorcist
Today's Excuse: multicasts on broken packets


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