AIX 4.3.3 compiling problem beta10 & 11

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I got following erros if I try to compile beta10 or 11 with gcc 2.95.3 on
a AIX 4.3.3:

gcc -DHAVE_CONFIG_H -I. -I. -I../../../../include -static -g -O2 -c proc.c
proc.c: In function `PROC_MEMORY':
proc.c:39: storage size of `psinfo' isn't known
proc.c: In function `PROC_NUM':
proc.c:212: storage size of `psinfo' isn't known
proc.c:268: `PR_SNAME_TSRUN' undeclared (first use in this function)
proc.c:268: (Each undeclared identifier is reported only once
proc.c:268: for each function it appears in.)
proc.c:272: `PR_SNAME_TSSLEEP' undeclared (first use in this function)
proc.c:276: `PR_SNAME_TSZOMB' undeclared (first use in this function)
make[5]: *** [proc.o] Error 1
make[5]: Leaving directory `/usr/local/src/zabbix-1.1beta11/src/libs/zbxsysinfo/aix'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory `/usr/local/src/zabbix-1.1beta11/src/libs/zbxsysinfo/aix'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/usr/local/src/zabbix-1.1beta11/src/libs/zbxsysinfo'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/usr/local/src/zabbix-1.1beta11/src/libs'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/local/src/zabbix-1.1beta11/src'
make: *** [all-recursive] Error 1


Some hints???
Thanks Peter