make command for xymon gives error

I ma new to xymon/hobbit... "make " commad for xymon gives fallowing error :

/usr/local/rrdtool-1.3.4/lib/libcairo.so.2: undefined reference to png_set_tIME at PNG12_0' /usr/local/rrdtool-1.3.4/lib/libcairo.so.2: undefined reference to png_set_write_user_transform_fn at PNG12_0' /usr/local/rrdtool-1.3.4/lib/libcairo.so.2: undefined reference to png_set_strip_16 at PNG12_0' collect2: ld returned 1 exit status make[1]: *** [hobbitgraph.cgi] Error 1 make[1]: Leaving directory /home/xymon/xymon-4.2.2-RC1/web' make: *** [web-build] Error 2 please help me

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-- Pankaj V. Dorlikar