cgilib-0.5 error for configuring xymon

hi, i hv rhel 5.2 64 bit machione.when i do make install for cgilib-0.5,i get fallowing - make install cc -I. -Wall -O2 -g -c -o cgitest.o cgitest.c cgitest.c: In function ‘main’: cgitest.c:108: warning: implicit declaration of function ‘strcmp’ cgitest.c:116: error: expected ‘)’ before ‘Library’ cgitest.c:129: warning: implicit declaration of function ‘strlen’ cgitest.c:129: warning: incompatible implicit declaration of built-in function ‘strlen’ make: *** [cgitest.o] Error 1

-- Pankaj V. Dorlikar