ac_libiberty_warn_cflags=
save_CFLAGS="$CFLAGS"
for real_option in -W -Wall -Wwrite-strings -Wc++-compat \
- -Wstrict-prototypes; do
+ -Wstrict-prototypes \
+ -Wshadow=local; do
# Do the check with the no- prefix removed since gcc silently
# accepts any -Wno-* option on purpose
case $real_option in