Bison is complaining (NT compile probs)

Following Kevin Lo's instructions to install postgreSQL on NT, and when
using 'make > make.log 2>&1' I get the following in the log file:

make lexverify
make -C lextest all
flex scan.l
gcc -c lex.yy.c
gcc -c lextest.c
gcc -o lextest lex.yy.o lextest.o
make -C utils all
gcc -I../include -I../backend -I/usr/local/include -O2 -g
-I/usr/local/include -Wall -Wmissing-prototypes -c version.c -o
version.o
make -C backend all
make -C access all
make -C common SUBSYS.o
make -C ../.. fmgr.h
make -C utils fmgr.h
sh Gen_fmgrtab.sh ../../include/catalog/pg_proc.h
cp utils/fmgr.h .
gcc -I../../../include -I../../../backend -I/usr/local/include -O2 -g
-I/usr/local/include -DBUILDING_DLL=1 -Wall -Wmissing-prototypes
-I../.. -c heaptuple.c -o heaptuple.o
gcc -I../../../include -I../../../backend -I/usr/local/include -O2 -g
-I/usr/local/include -DBUILDING_DLL=1 -Wall -Wmissing-prototypes
-I../.. -c indextuple.c -o indextuple.o

<snip> (lots more of the above compile info)

ld -r -o SUBSYS.o transam.o transsup.o varsup.o xact.o xid.o
ld -r -o SUBSYS.o common/SUBSYS.o gist/SUBSYS.o hash/SUBSYS.o
heap/SUBSYS.o index/SUBSYS.o rtree/SUBSYS.o nbtree/SUBSYS.o
transam/SUBSYS.o
make -C bootstrap all
/CYGWIN~1/H-I586~1/bin/bison -y -d -L /sw/cygwin-b20/share/ bootparse.y
/CYGWIN~1/H-I586~1/bin/bison: Bad address
make[2]: *** [bootparse.c] Error 2
make[1]: *** [bootstrap.dir] Error 2
make: *** [all] Error 2

Bison is in that directory, does anyone have an idea of what the 'bad
address' may be?

(have all the latest versions of postgres and cygwin)

Did notice that the IPC variables were not set in my 'Makefile.global' -
could that be an issue?

Cheers,
Michael
--
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Michael Parry
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mparry(at)magian(dot)com(dot)au
Magian Design Studio
Melbourne, Australia
ph: + 61 3 9819 3401
fx: + 61 3 9818 3404
://www.magian.com.au
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