Re: Stepping into my compiled libnetsnmpagent.so.5 with gdb when there is a

#1 (**permalink**) 02-18-2005

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Robert, 
Thanks for getting back to me on this. I updated my make file as your w=
ebsite suggests. But now I am back to the link order problem and unreso=
lved externals. I think it is a link order problem because if I rearran=
ge how I list the snmp libraries, I get different unresolved externals.=
 
 
Thanks, 
 
Alan 
 
Here is my link output.
<ul><tt>bld1-dsm> make</tt> 
<tt>cc -o example-demon example-demon.o nstAgentSubagentObject.o -L/vob=
s/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs -L/vobs/vob3/net=
-snmp/doc/tutorial/../../tfs/x86/snmplib/.libs -L/vobs/vob3/net-snmp/do=
c/tutorial/../../tfs/x86/agent/helpers/.libs -Wl,-Bstatic -lnetsnmpagen=
t -lnetsnmpmibs -lnetsnmphelpers -lnetsnmp -Wl,-Bdynamic -ldl -lcrypto =
-lm/vobs/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs/libnetsnm=
pmibs.a(extensible.o)(.text+0x76d): In function `var_extensible_shell':=
</tt> 
<tt>/vobs/vob3/net-snmp/src/agent/mibgroup/ucd-snmp/extensible.c:470: u=
ndefined reference to `run_shell_command'</tt> 
<tt>/vobs/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs/libnetsn=
mpmibs.a(extensible.o)(.text+0x7d9):/vobs/vob3/net-snmp/src/agent/mibgr=
oup/ucd-snmp/extensible.c:467: undefined reference to `run_exec_command=
'</tt> 
<tt>/vobs/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs/libnetsn=
mpmibs.a(extensible.o)(.text+0x821):/vobs/vob3/net-snmp/src/agent/mibgr=
oup/ucd-snmp/extensible.c:459: undefined reference to `run_shell_comman=
d'</tt> 
<tt>/vobs/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs/libnetsn=
mpmibs.a(extensible.o)(.text+0x853):/vobs/vob3/net-snmp/src/agent/mibgr=
oup/ucd-snmp/extensible.c:456: undefined reference to `run_exec_command=
'</tt> 
<tt>/vobs/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs/libnetsn=
mpmibs.a(extensible.o)(.text+0xbb4): In function `var_extensible_reloca=
table':</tt> 
<tt>/vobs/vob3/net-snmp/src/agent/mibgroup/ucd-snmp/extensible.c:597: u=
ndefined reference to `run_shell_command'</tt> 
<tt>/vobs/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs/libnetsn=
mpmibs.a(extensible.o)(.text+0xcc1):/vobs/vob3/net-snmp/src/agent/mibgr=
oup/ucd-snmp/extensible.c:594: undefined reference to `run_exec_command=
'</tt> 
<tt>/vobs/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs/libnetsn=
mpmibs.a(extensible.o)(.text+0xd2e):/vobs/vob3/net-snmp/src/agent/mibgr=
oup/ucd-snmp/extensible.c:587: undefined reference to `run_shell_comman=
d'</tt> 
<tt>/vobs/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs/libnetsn=
mpmibs.a(extensible.o)(.text+0xd74):/vobs/vob3/net-snmp/src/agent/mibgr=
oup/ucd-snmp/extensible.c:584: undefined reference to `run_exec_command=
'</tt> 
<tt>/vobs/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs/libnetsn=
mpmibs.a(extend.o)(.text+0x3ab): In function `extend_load_cache':</tt><=
br>
<tt>/vobs/vob3/net-snmp/src/agent/mibgroup/agent/extend.c:218: undefine=
d reference to `run_shell_command'</tt> 
<tt>/vobs/vob3/net-snmp/doc/tutorial/../../tfs/x86/agent/.libs/libnetsn=
mpmibs.a(extend.o)(.text+0x4b3):/vobs/vob3/net-snmp/src/agent/mibgroup/=
agent/extend.c:220: un</tt> 
<tt>defined reference to `run_exec_command'</tt> 
<tt>collect2: ld returned 1 exit status</tt> 
<tt>make: *** [example-demon] Error 1</tt> 
<tt>bld1-dsm></tt> 
</ul>
I think I have something wrong with the way I as configuring the system=
.. I am trying to configure so I can work outside of the net-snmp develo=
pment tree. The make file snippet I am using to configure the system is=
:
<ul><tt>NET_SNMP_ROOT=3D/vobs/vob3/net-snmp</tt> 
<tt>NET_SNMP_SRC=3D/vobs/vob3/net-snmp/src</tt> 
<tt>NET_SNMP_COM=3D/vobs/vob3/net-snmp/common</tt> 
<tt>MIBDIRS=3D/vobs/vob3/net-snmp/src/mibs:/vobs/vob3/net-snmp/doc/tuto=
rial</tt> 
<tt>SNMPCONFPATH=3D/vobs/vob3/net-snmp/common/etc/snmp</tt> 
<tt>NETSNMPDIR=3D/vobs/vob3/net-snmp/tfs/x86</tt> 
<tt>NETSNMPCONFIG=3D/vobs/vob3/net-snmp/tfs/x86/net-snmp-config</tt><br=
>
<tt>PERL5LIB=3D/vobs/vob3/net-snmp/tfs/x86/lib/perl5/site_perl/5.8.0/i3=
86-linux-thread-multi</tt> 
 
<tt>build: mkdir</tt> 
<tt> echo ******* This line should be removed at some point... --ala</t=
t> 
<tt> cp -f ${NET_SNMP_ROOT}/doc/tutorial/nstAgentModuleObject.? ${NET_S=
NMP_ROOT}/src/agent/mibgroup</tt> 
<tt> cd ${NETSNMPDIR} ; ${NET_SNMP_SRC}/configure \</tt> 
<tt> --with-mib-modules=3D"nstAgentModuleObject" \</tt> 
<tt>    --with-default-snmp-version=3D"2" \</tt><b=
r>
<tt> --with-sys-contact=3D"support@myhome.com" \</tt> 
<tt>    --with-sys-location=3D"No where" \</tt><br=
>
<tt>    --with-logfile=3D"none" \</tt> 
<tt>    --with-persistent-directory=3D"${NETSNMPDIR}/va=
r/net-snmp" \</tt> 
<tt>    ${NET_SNMP_OPTS} \</tt> 
<tt> --prefix=3D"${NETSNMPDIR}" </tt> 
<tt> cd ${NETSNMPDIR} ; ${MAKE}</tt> 
</ul>
<img src=3D"cid:00__=3D09BBE53FDFF3D24F8f9e8a93df93@rad isys.com" width=3D=
"16" height=3D"16" alt=3D"Inactive hide details for Robert Story <rs=
tory@freesnmp.com>">Robert Story <rstory@freesnmp.com> 
 
 

<table width=3D"100%" border=3D"0" cellspacing=3D"0" cellpadding=3D"0">=

<tr valign=3D"top"><td style=3D"background-image:url(cid:10__=3D09BBE53=
FDFF3D24F8f9e8a93df93@radisys.com); background-repeat: no-repeat; " wid=
th=3D"40%">
<ul>
<ul>
<ul>
<ul>Robert Story <rstory@freesnmp.com>=
 
02/18/2005 11:09 AM
<table border=3D"1">
<tr valign=3D"top"><td width=3D"168" bgcolor=3D"#FFFFFF"><div align=3D"=
center">Please respond to 
net-snmp-coders@lists.sourceforge.net</div></td></tr>
</table>
</ul>
</ul>
</ul>
</ul>
</td><td width=3D"60%">
<table width=3D"100%" border=3D"0" cellspacing=3D"0" cellpadding=3D"0">=

<tr valign=3D"top"><td width=3D"1%" valign=3D"middle"><img src=3D"cid:2=
0__=3D09BBE53FDFF3D24F8f9e8a93df93@radisys.com" border=3D"0" height=3D"=
1" width=3D"58" alt=3D""> 
<div align=3D"right">To</div></td><td width=3D"=
100%"><img src=3D"cid:20__=3D09BBE53FDFF3D24F8f9e8a93df93@rad isys.com" =
border=3D"0" height=3D"1" width=3D"1" alt=3D""> 
Alan.Anderson@radisys.com</td></tr>

<tr valign=3D"top"><td width=3D"1%" valign=3D"middle"><img src=3D"cid:2=
0__=3D09BBE53FDFF3D24F8f9e8a93df93@radisys.com" border=3D"0" height=3D"=
1" width=3D"58" alt=3D""> 
<div align=3D"right">cc</div></td><td width=3D"=
100%"><img src=3D"cid:20__=3D09BBE53FDFF3D24F8f9e8a93df93@rad isys.com" =
border=3D"0" height=3D"1" width=3D"1" alt=3D""> 
net-snmp-coders@lists.sourceforge.net</td></tr>=

<tr valign=3D"top"><td width=3D"1%" valign=3D"middle"><img src=3D"cid:2=
0__=3D09BBE53FDFF3D24F8f9e8a93df93@radisys.com" border=3D"0" height=3D"=
1" width=3D"58" alt=3D""> 
<div align=3D"right">Subject</div></td><td widt=
h=3D"100%"><img src=3D"cid:20__=3D09BBE53FDFF3D24F8f9e8a93df93@rad isys.=
com" border=3D"0" height=3D"1" width=3D"1" alt=3D""> 
Re: Stepping into my compiled libnetsnmpagent.so.5 wit=
h gdb when there is a system shared library of the same name?</t=
d></tr>
</table>

<table border=3D"0" cellspacing=3D"0" cellpadding=3D"0">
<tr valign=3D"top"><td width=3D"58"><img src=3D"cid:20__=3D09BBE53FDFF3=
D24F8f9e8a93df93@radisys.com" border=3D"0" height=3D"1" width=3D"1" alt=
=3D""></td><td width=3D"336"><img src=3D"cid:20__=3D09BBE53FDFF3D24F8f9=
e8a93df93@radisys.com" border=3D"0" height=3D"1" width=3D"1" alt=3D""><=
/td></tr>
</table>
</td></tr>
</table>
 
<tt>On Fri, 18 Feb 2005 08:52:12 -0600 Alan.Anderson@radisys.com wrote:=
 
AAC> I tried static linking but I got lost in a maze of link order p=
roblems. I 
AAC> would rather get the dynamic debugging going but I am open to s=
tatic 
AAC> linking if some one could help with the link order. 
 
I always use static linking when testing, for exactly this reason. Debu=
gging 
shared libs is a pain. Here is the makefile I use: 
 
</tt><tt><a href=3D"http://www.freesnmp.com/net-snmp/faqs/#static">h=
ttp://www.freesnmp.com/net-snmp/faqs/#static</a></tt><tt> 
 
-- 
Robert Story; NET-SNMP Junkie 
Support: <</tt><tt><a href=3D"http://www.net-snmp.org/">http://www.n=
et-snmp.org/</a></tt><tt>> <irc://irc.freenode.net/#net-snmp><=
br>
Archive: <</tt><tt><a href=3D"http://sourceforge.net/mailarchive/for=
um.php?forum=3Dnet-snmp-coders">http://sourceforge.net/mailarchive/foru=
m.php?forum=3Dnet-snmp-coders</a></tt><tt>> 
 
You are lost in a twisty maze of little standards, all different. 
</tt> 
</body></html>=

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