* src/Makefile.am (sc_tight_scope): Ignore leading underscores in symbols.
) | $(ASSORT) -u | sed 's/^/^/;s/$$/$$/' > $$t; \
nm -e *.$(OBJEXT) \
| sed -n 's/.* T //p' \
+ | sed 's/^_//' \
| grep -Ev -f $$t && \
{ echo 'the above functions should have static scope' 1>&2; \
exit 1; } || : ; \
$$hdr *.h ) | $(ASSORT) -u > $$t; \
nm -e *.$(OBJEXT) \
| sed -n 's/.* [BD] //p' \
+ | sed 's/^_//' \
| grep -Ev -f $$t && \
{ echo 'the above variables should have static scope' 1>&2; \
exit 1; } || :