CVS HEAD compile warning - Mailing list pgsql-hackers

$ cd src/interfaces/ecpg
$ make
[ ... ]
bison -y -d  preproc.y
mv -f y.tab.c ./preproc.c
mv -f y.tab.h ./preproc.h
/usr/bin/flex  -o'pgc.c' pgc.l
pgc.l:979: warning, -s option given but default rule can be matched

-Neil