webalizer make시 오류...

gcc -L/usr/local/lib  -o webalizer webalizer.o hashtab.o linklist.o preserve.o parser.o output.o dns_resolv.o graphs.o -lgd -lpng -lz -lm
graphs.o(.text+0x5aa): In function `year_graph6x':
: undefined reference to `gdImagePng'
graphs.o(.text+0x126d): In function `month_graph6':
: undefined reference to `gdImagePng'
graphs.o(.text+0x1bd5): In function `day_graph3':
: undefined reference to `gdImagePng'
graphs.o(.text+0x2338): In function `pie_chart':
: undefined reference to `gdImagePng'
collect2: ld returned 1 exit status
make: *** [webalizer] 오류 1

이거 왜 이런거에요?
gd문제인가요? 아래는 설치정보입니다.

[root@diibsys webalizer-2.01-10]# rpm -qa | grep gd
gd-1.8.4-11
gdbm-1.8.0-20
sysklogd-1.4.1-12
gdb-5.3post-0.20021129.18
gdbm-devel-1.8.0-20