Re: your mail

[Huayan Wang <whycu@ctr.columbia.edu>]

On Fri, 26 Sep 1997, Shahzad Ali wrote:

> 
> 
> Hi,
> 
> I am trying to install ns v2 with Tclv7.6 and Tk v4.2.  While compiling
> the source code for otcl, I got this error.  i was wondering if you could
> help me with this error.  The error is during the link phase of the
> compilation process.  I am enclosing the exact error that the linker is
> giving me.
> Thanks 
> 
> Shahzad
> 
> gcc -o otclsh -g -O -I. -I../tcl7.6/generic
> -I../tk4.2/bin/include -I/usr/local/X11R6/include otclAppInit.c \
> -L. -lotcl -L../tcl7.6/bin/lib -ltcl7.6 -ldl -lm
> Undefined                       first referenced
>  symbol                             in file
> socket                     libtcl7.6.a(tclUnixChan.o)
> getpeername                libtcl7.6.a(tclUnixChan.o)
> recv                       libtcl7.6.a(tclUnixChan.o)
> gethostbyname              libtcl7.6.a(tclUnixChan.o)
> accept                     libtcl7.6.a(tclUnixChan.o)
> send                       libtcl7.6.a(tclUnixChan.o)
> bind                       libtcl7.6.a(tclUnixChan.o)
> setsockopt                 libtcl7.6.a(tclIOSock.o)
> getservbyname              libtcl7.6.a(tclIOSock.o)
> gethostbyaddr              libtcl7.6.a(tclUnixChan.o)
> getsockopt                 libtcl7.6.a(tclIOSock.o)
> inet_addr                  libtcl7.6.a(tclUnixChan.o)
> inet_ntoa                  libtcl7.6.a(tclUnixChan.o)
> getsockname                libtcl7.6.a(tclUnixChan.o)
> listen                     libtcl7.6.a(tclUnixChan.o)
> connect                    libtcl7.6.a(tclUnixChan.o)
> ld: fatal: Symbol referencing errors. No output written to otclsh
> *** Error code 1
> make: Fatal error: Command failed for target `otclsh'
> 
> 
> 

you need link some more libraries.
add -lsocket -lnsl before -ldl in your make file, or   
just do
 gcc -o otclsh -g -O -I. -I../tcl7.6/generic
 -I../tk4.2/bin/include -I/usr/local/X11R6/include otclAppInit.c \
 -L. -lotcl -L../tcl7.6/bin/lib -ltcl7.6 -lsocket -lnsl -ldl -lm

good luck.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Huayan Amy Wang
GRA, EE dept, Columbia U.
Tel: 212-939-7158
URL: http://www.ctr.columbia.edu/~whycu
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~