AIX-4.3.3 and Postgres ?

 hi,

        I  couldn't compile postgres on AIX-4.3.3 . I did  all the
things written on INSTALL file
        but it gave me errors.
          The configure script worked successfully but when I ran "make
all" as the postgres user
          I got the follwing errors:
          -----------------------------------
          make: getcwd: : Permission denied
          make lexverify
          make: getcwd: : Permission denied
          make[1]: Entering directory `'
          make -C lextest all
          make: getcwd: : Permission denied
          make[2]: Entering an unknown directory
          make[2]: getcwd: : Permission denied
          make[2]: Nothing to be done for `all'.
          make[2]: Leaving an unknown directory
          make[1]: Leaving directory `'
          make -C utils all
          make: getcwd: : Permission denied
          make[1]: Entering an unknown directory
          make[1]: getcwd: : Permission denied
          xlc -I../include -I../backend   -qchars=signed -qmaxmem=8192
-qhalt=w -qsrcmsg -qcheck=di          version.o version.c
          "/usr/include/stdlib.h", line 493.33: 1506-343 (S)
Redeclaration of getopt differs from p          "/usr/include/stdio.h".
          "/usr/include/stdlib.h", line 493.33: 1506-377 (I) The type
"char**" of parameter 2 diffe          const*".
          "/usr/include/stdlib.h", line 494.33: 1506-343 (S)
Redeclaration of getpass differs from
          "/usr/include/unistd.h".
          "/usr/include/stdlib.h", line 494.33: 1506-377 (I) The type
"char*" of parameter 1 differ          the previous type "const char*".
          "../include/c.h", line 173.21: 1506-334 (S) Identifier int8
has already been defined on l          "../include/c.h", line 174.22:
1506-334 (S) Identifier int16 has already been defined on
          "../include/c.h", line 175.20: 1506-334 (S) Identifier int32
has already been defined on
          make[1]: *** [version.o] Error 1
          make[1]: Leaving an unknown directory
          make: *** [all] Error 2
          ---------------------------------------
           I am using GNU make.
           I will be happy if someone helps me .  Thanks in advance.