[Asterisk-Users] cannot find expat

[Makerere University]

am compiling h323 support using channels/h323/ error am getting is this any 
pointers
chan_h323.h:30: warning: `struct sockaddr_in bindaddr' defined but not used
g++  -shared -Xlinker -x -o chan_h323.so chan_h323.o ast_h323.o 
 -L/root/pwlib/lib  -lpt_linux_x86_r -L/root/openh323/lib -lh323_linux_x86_r 
 -L/usr/lib -lpthread -ldl -lcrypto -lssl -lexpat
/usr/i486-suse-linux/bin/ld: cannot find -lexpat
collect2: ld returned 1 exit status
make: *** [chan_h323.so] Error 1