Building gsoap in AIX 5.1 get make errors

[Mannion, Enda]

Here are the errors:

gsoap_2.7.9
gcc.4.0.0
gmake 3.81

yacc  -d -v `test -f 'soapcpp2_yacc.y' || echo './'`soapcpp2_yacc.y
make[4]: *** [soapcpp2_yacc.c] Broken pipe
make[4]: Leaving directory `/home/dirtalk/enda/gsoap-2.7/soapcpp2/src'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/home/dirtalk/enda/gsoap-2.7/soapcpp2'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/home/dirtalk/enda/gsoap-2.7/soapcpp2'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/dirtalk/enda/gsoap-2.7'
make: *** [all] Error 2

Any ideas what is wrong?

Enda