Build Postgres 7 on WinNT

Hello,

when compiling Postgres 7 on WinNt, i get the following errors:
I use Cygwin B20 (latest version) and egcs 2.95.2

make[3]: Entering directory
`/cygdrive/d/gnu/postgresql-7.0.2/src/pl/plpgsql/src
'
dlltool --export-all --output-def plpgsql.def pl_parse.o pl_handler.o
pl_comp.o
pl_exec.o pl_funcs.o
dllwrap -o plpgsql.dll --dllname plpgsql.dll --def plpgsql.def pl_parse.o
pl_han
dler.o pl_comp.o pl_exec.o pl_funcs.o ../../../utils/dllinit.o
-L/usr/local/lib
 -L/usr/local/pgsql/lib -L../../../backend -lpostgres -lcygipc -lcygwin
-lcrypt
-lkernel32
pl_exec.o(.text+0x1e56):pl_exec.c: undefined reference to `fmgr_pl_finfo'
pl_exec.o(.text+0x32a1):pl_exec.c: undefined reference to `fmgr_pl_finfo'
pl_exec.o(.text+0x32bd):pl_exec.c: undefined reference to `fmgr_pl_finfo'
collect2: ld returned 1 exit status
dllwrap: gcc exited with status 1
make[3]: *** [libplpgsql.a] Error 1
make[3]: Leaving directory
`/cygdrive/d/gnu/postgresql-7.0.2/src/pl/plpgsql/src'

make[2]: [all] Error 2 (ignored)
make[2]: Leaving directory `/cygdrive/d/gnu/postgresql-7.0.2/src/pl/plpgsql'
make[1]: Leaving directory `/cygdrive/d/gnu/postgresql-7.0.2/src/pl'

Perhaps somebody can help me.
Thanks.

Harry