[Nagiosplug-help] Re: check_icmp error under Solaris again

[Dan Stromberg]

On Mon, 2004-12-20 at 22:24 +0100, Andreas Ericsson wrote:
> Horváth Tamás wrote:
> > Hi!
> > 
> > Thanks Andreas!
> > 
> > I tried what you suggested, but got the following error:
> > 
> > bash-2.03# gcc -O2 check_icmp.c -o check_icmp
> > Undefined                       first referenced
> >  symbol                             in file
> > inet_addr                           /var/tmp//cc2lIMsO.o
> > getprotobyname                      /var/tmp//cc2lIMsO.o
> > gethostbyname                       /var/tmp//cc2lIMsO.o
> > sendto                              /var/tmp//cc2lIMsO.o
> > h_errno                             /var/tmp//cc2lIMsO.o
> > socket                              /var/tmp//cc2lIMsO.o
> > recvfrom                            /var/tmp//cc2lIMsO.o
> > inet_ntoa                           /var/tmp//cc2lIMsO.o
> > gethostbyaddr                       /var/tmp//cc2lIMsO.o
> > ld: fatal: Symbol referencing errors. No output written to check_icmp
> > collect2: ld returned 1 exit status
> > 
> > 
> > My GCC version is:
> > bash-2.03# gcc -v
> > Reading specs from /usr/local/lib/gcc-lib/sparc-sun-solaris2.8/3.3/specs
> > Configured with: ../configure --disable-nls --with-as=/usr/ccs/bin/as
> > --with-ld=/usr/ccs/bin/ld
> > Thread model: posix
> > gcc version 3.3
> > bash-2.03#
> > 
> > 
> > Sorry, but I'm not a programmer and have absolutely no experience with
> > compiling. How can I solve this issue?
> > 
> 
> It seems you need to link check_icmp with additional libraries to reach 
> the functions you need.
> 
> Do like this;
> for i in `grep -l sendto /lib/*.so /usr/lib/*.so | sed -e 's,^.*/lib,,' 
> -e 's/\..*//'`; do gcc check_icmp -o check_icmp -l$i; done
> 
> That will try linking with all libraries that have a symbol called 
> sendto in them (or one referring to it, compiled with debugging 
> support). If that doesn't help I'll need more info about the system.
> 
> Most likely someone else on this list is more experienced with solaris 
> than I am, so they might be able to help you.

This is a good general method.

In the specific, you probably need -lnsl -lsocket

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