tsearch2 compiling problem on AIX

Okay...I know had problems with this before, but has anyone able to
compile tsearch2 on AIX?

I get this error:

gmake -C snowball SUBSYS.o
gmake[1]: Entering directory
`/usr/src/postgresql-8.0.3/contrib/tsearch2/snowball'
gmake[1]: `SUBSYS.o' is up to date.
gmake[1]: Leaving directory
`/usr/src/postgresql-8.0.3/contrib/tsearch2/snowball'
gmake -C ispell SUBSYS.o
gmake[1]: Entering directory `/usr/src/postgresql-8.0.3/contrib/tsearch2/ispell'
gmake[1]: `SUBSYS.o' is up to date.
gmake[1]: Leaving directory `/usr/src/postgresql-8.0.3/contrib/tsearch2/ispell'
gmake -C wordparser SUBSYS.o
gmake[1]: Entering directory
`/usr/src/postgresql-8.0.3/contrib/tsearch2/wordparser'
gmake[1]: `SUBSYS.o' is up to date.
gmake[1]: Leaving directory
`/usr/src/postgresql-8.0.3/contrib/tsearch2/wordparser'
../../src/backend/port/aix/mkldexport.sh libtsearch2.a > libtsearch2.exp
gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wendif-labels
-fno-strict-aliasing  -Wl,-bnoentry -Wl,-H512 -Wl,-bM:SRE -o
libtsearch2.so libtsearch2.a -L../../src/port   -L../../src/port -lm
-Wl,-bI:../../src/backend/postgres.imp -Wl,-bE:libtsearch2.exp
ld: 0711-317 ERROR: Undefined symbol: .get_share_path
ld: 0711-317 ERROR: Undefined symbol: .pg_strncasecmp
ld: 0711-317 ERROR: Undefined symbol: .pg_strcasecmp
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
collect2: ld returned 8 exit status
gmake: *** [libtsearch2.so] Error 1