compilation problem

Hello, here is output of make

gcc -g -O2 -DHAVE_CONFIG_H -I.
-DDIALD_CONFIG_FILE=\"/usr/local/etc/diald.conf\"
-DDIALD_DEFS_FILE=\"/usr/local/lib/diald/diald.defs\"
-DRUN_PREFIX=\"/usr/local/var/run\"   -c -o diald.o diald.c 
diald.c: In function `main': 
diald.c:192: `CLK_TCK' undeclared (first use in this function) 
diald.c:192: (Each undeclared identifier is reported only once
diald.c:192: for each function it appears in.)
make: *** [diald.o] Error 1

diald version 1.0
gcc version 2.95.3 20010315
linux kernel 2.4.20 Vector Linux 2.0 (Slackware 8.1)

Could anybody help me to compile diald?
Maybe there is a package for Slackware, isn't it?

Please help.

-- 
Martchukov Anton aka VH ========================================      
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