problem building 2.0.8(p1) on solaris 9

[Paul Dlug]

I get the following error building 2.0.8 (and 2.0.8p1) under solaris 9 
(gcc 3.3, bison 1.875, flex 2.5.4).

make[2]: Entering directory `/usr/home/paul/cfengine-2.0.8p1/src'
Makefile:601: warning: overriding commands for target `cfparse.h'
Makefile:578: warning: ignoring old commands for target `cfparse.h'
/bin/bash ../ylwrap `test -f 'cfparse.y' || echo './'`cfparse.y y.tab.c 
cfparse.c y.tab.h cfparse.h y.output cfparse.output -- bison -y  -d
got /usr/home/paul/cfengine-2\.0\.8p1/src/
conflicts: 10 shift/reduce, 38 reduce/reduce
bison: I/O error
make[2]: *** [cfparse.c] Error 1