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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I was playing with this last week under Mandriva and discovered
that the order of the includes does make a difference.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I had to start again using the example from the man pages and
here is what I used to get it working. I know it seems a bit of a hack but
there is something broken, and I have not played with it since.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <stdlib.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <stdarg.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <sys/time.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <sys/socket.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <stdio.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <netinet/in.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <string.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/result.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/boolean.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/commandline.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/dst.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/formatcheck.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/int.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/lang.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/list.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/mem.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/print.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/string.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <isc-dhcp/types.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <dhcpctl/dhcpctl.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <omapip/omapip_p.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <omapip/alloc.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <omapip/convert.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <omapip/hash.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>          
#include <omapip/omapip.h><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>/*           #include
<omapip/buffer.h> */<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>/*          
#include <omapip/trace.h>  */<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Randy<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>

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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
dhcp-users-bounces@lists.isc.org [mailto:dhcp-users-bounces@lists.isc.org] <b>On
Behalf Of </b>phil lemelin<br>
<b>Sent:</b> Tuesday, April 21, 2009 10:13 AM<br>
<b>To:</b> Users of ISC DHCP<br>
<b>Subject:</b> Re: Problem with dhcpctl.<o:p></o:p></span></p>

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<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>Good morning list. <br>
<br>
Following yesterday help from Jeremy, I advanced a little bit. I'm now having
some link error. Again, same thing under ubuntu or centos. Very sorry if this
is obvious but my C is really rusty. <br>
<br>
My includes are the following :<br>
<br>
#include <stdlib.h><br>
#include <string.h><br>
#include <stdio.h><br>
#include <stdarg.h><br>
#include <sys/time.h><br>
#include <sys/socket.h><br>
#include <netinet/in.h><br>
#include <isc-dhcp/result.h><br>
#include <isc-dhcp/dst.h><br>
#include <dhcpctl.h><br>
<br>
The actual error.<br>
<br>
[phil@krum tmp]$ gcc -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP
-MF"dhcpctl_test.d" -MT"dhcpctl_test.d"
-o"dhcpctl_test.o" "dhcpctl_test.c"<br>
dhcpctl_test.c: In function ‘main’:<br>
dhcpctl_test.c:42: warning: implicit declaration of function
‘inet_pton’<br>
dhcpctl_test.c:90: warning: implicit declaration of function
‘ctime’<br>
dhcpctl_test.c:90: warning: format ‘%s’ expects type ‘char
*’, but argument 3 has type ‘int’<br>
dhcpctl_test.c:91: warning: control reaches end of non-void function<br>
<br>
[phil@krum tmp]$ gcc -L/usr/lib64 -o"DhcpCtl" 
dhcpctl_test.o   -ldhcpctl -ldst -lomapi<br>
/usr/lib64/libomapi.a(connection.o): In function `omapi_connection_output_auth_length':<br>
(.text+0x167): undefined reference to `dst_sig_size'<br>
/usr/lib64/libomapi.a(connection.o): In function `make_dst_key':<br>
(.text+0x335): undefined reference to `dst_buffer_to_key'<br>
/usr/lib64/libomapi.a(connection.o): In function `omapi_connection_sign_data':<br>
(.text+0x3bd): undefined reference to `dst_sign_data'<br>
/usr/lib64/libomapi.a(connection.o): In function `omapi_connection_sign_data':<br>
(.text+0x418): undefined reference to `dst_sig_size'<br>
/usr/lib64/libomapi.a(connection.o): In function `omapi_connection_sign_data':<br>
(.text+0x463): undefined reference to `dst_sign_data'<br>
/usr/lib64/libomapi.a(connection.o): In function `omapi_connection_get_value':<br>
(.text+0x5f8): undefined reference to `dst_sig_size'<br>
/usr/lib64/libomapi.a(connection.o): In function `omapi_connection_get_value':<br>
(.text+0x6ca): undefined reference to `dst_sig_size'<br>
/usr/lib64/libomapi.a(connection.o): In function `omapi_connection_set_value':<br>
(.text+0x7bc): undefined reference to `dst_free_key'<br>
/usr/lib64/libomapi.a(connection.o): In function `omapi_connection_set_value':<br>
(.text+0x8a3): undefined reference to `dst_free_key'<br>
/usr/lib64/libomapi.a(support.o): In function `omapi_init':<br>
(.text+0xa16): undefined reference to `dst_init'<br>
collect2: ld returned 1 exit status<br>
<br>
[phil@krum tmp]$ rpm -qf  /usr/lib64/libdhcpctl.a <br>
dhcp-devel-3.0.5-18.el5<br>
[phil@krum tmp]$ rpm -qf  /usr/lib64/libdst.a <br>
dhcp-devel-3.0.5-18.el5<br>
[phil@krum tmp]$ rpm -qf  /usr/lib64/libomapi.a <br>
dhcp-devel-3.0.5-18.el5<br>
<br>
[phil@krum tmp]$ rpm -qf /usr/include/dhcpctl.h<br>
dhcp-devel-3.0.5-18.el5<br>
[phil@krum tmp]$ rpm -qf /usr/include/isc-dhcp/dst.h<br>
dhcp-devel-3.0.5-18.el5<br>
[phil@krum tmp]$ rpm -qf /usr/include/isc-dhcp/result.h<br>
dhcp-devel-3.0.5-18.el5<br>
<br>
<br>
Best regards.<br>
<br>
-- <br>
Philippe-Alexandre Lemelin<o:p></o:p></p>

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