fatal error: zlib.h: No such file or directory

arm-926ejs-linux-gnueabi-gcc -Wall -O3 -c -o xxx.o xxx.c

In file included from xxx.c:1:0:

xxx.h:63:18: fatal error: zlib.h: No such file or directory

#include <zlib.h>

^

compilation terminated.

make: *** [xxx.o] Error 1

:) -Izlib-1.1.3 :)