Re: compile error on Ubuntu 9.10

[David Fifield <david () bamsoftware com>]

On Mon, Nov 02, 2009 at 01:29:41AM -0600, Matt Raspberry wrote:
> Hi all,
>
> I am unable to compile r15955 on Ubuntu 9.10
>
> gcc -o ncat -g -O2 -Wall -L../libpcap  ncat_main.o ncat_connect.o
> ncat_core.o ncat_posix.o ncat_listen.o ncat_proxy.o ncat_broker.o
> ncat_hostmatch.o ncat_ssl.o base64.o http.o util.o sys_wrap.o
> ../nsock/src/libnsock.a ../nbase/libnbase.a -lssl -lcrypto -lpcap -lssl
> -lcrypto -ldl
> ../libpcap/libpcap.a(gencode.o): In function `pcap_compile':
> /home/matt/nmap/libpcap/./gencode.c:397: undefined reference to `lex_init'
> /home/matt/nmap/libpcap/./gencode.c:399: undefined reference to `pcap_parse'
> /home/matt/nmap/libpcap/./gencode.c:416: undefined reference to
> `lex_cleanup'
> /home/matt/nmap/libpcap/./gencode.c:383: undefined reference to
> `lex_cleanup'
> ../libpcap/libpcap.a(grammar.o): In function `yyparse':
> /home/matt/nmap/libpcap/y.tab.c:2092: undefined reference to `yylex'
> collect2: ld returned 1 exit status
> make[1]: *** [ncat] Error 1
> make[1]: Leaving directory `/home/matt/nmap/ncat'
> make: *** [ncat_build] Error 2

Try running "make distclean", then configuring and compiling again.
libpcap was recently upgraded so a SVN update may have messed up the
dates on the build files.

Building libpcap should not require Bison or Flex when done within the
Nmap tree. Normally it does, but we pregenerate the parser files and
keep them in the repository.

David Fifield
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