install postgresql 7.2 with CXX on sco openserver 5.0.5

Hello:

I try to install postgresql v 7.2 with the library C++ on my server Sco Openserver 5.0.5, but when execute :

./configure --with-CXX

show the next error:

/usr/local/bin/gcc -melf -shared -Wl,-h,/usr/local/pgsql/lib/libpq.so.2 fe-auth.
o fe-connect.o fe-exec.o fe-misc.o fe-print.o fe-lobj.o pqexpbuffer.o dllist.o m
d5.o pqsignal.o snprintf.o -lnsl -lsocket -o libpq.so.2.2
relocations referenced
from file(s)
fe-connect.o
fe-exec.o
fe-misc.o
fe-print.o
fe-lobj.o
dllist.o
fatal error: relocations remain against allocatable but non-writable section: .
text

gmake[3]: *** [libpq.so.2.2] Error 1
gmake[3]: Leaving directory `/usr1/postgresql/postgresql-7.2/src/interfaces/libp
q'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory `/usr1/postgresql/postgresql-7.2/src/interfaces'
gmake[1]: *** [all] Error 2
gmake[1]: Leaving directory `/usr1/postgresql/postgresql-7.2/src'
gmake: *** [all] Error 2

Anybody can help me.

Thank
Nicolas Alvarez
Argentina
nicoalvarez(at)ciudad(dot)com(dot)ar