+2015-10-17 Jim Meyering <meyering@fb.com>
+
+ maint.mk: sc_tight_scope: factor and support OS X
+ * top/maint.mk (_gl_tight_scope): Address three issues:
+ - factor out four instances of code that wraps a string in "^...$"
+ - allow nm-reported symbol names to have an optional leading "_"
+ - add "main" to the list of ignored variable names, because on os x,
+ "main" has nm-reported type "S" in the variable-checking section.
+
2015-10-16 Dmitry Smirnov <onlyjob@member.fsf.org>
safe-alloc-tests: fix typo in license header
.PHONY: _gl_tight_scope
_gl_tight_scope: $(bin_PROGRAMS)
+ sed_wrap='s/^/^_?/;s/$$/$$/'; \
t=exceptions-$$$$; \
trap 's=$$?; rm -f $$t; exit $$s' 0; \
for sig in 1 2 3 13 15; do \
test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
hdr=`for f in $(_gl_TS_headers); do \
test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
- ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_functions); \
+ ( printf '%s\n' '__.*' $(_gl_TS_unmarked_extern_functions); \
grep -h -A1 '^extern .*[^;]$$' $$src \
| grep -vE '^(extern |--)' | $(SED) 's/ .*//'; \
perl -lne \
- '$(_gl_TS_function_match) and print "^$$1\$$"' $$hdr; \
- ) | sort -u > $$t; \
+ '$(_gl_TS_function_match) and print $$1' $$hdr; \
+ ) | sort -u | $(SED) "$$sed_wrap" > $$t; \
nm -g $(_gl_TS_obj_files)|$(SED) -n 's/.* T //p'|grep -Ev -f $$t \
&& { echo the above functions should have static scope >&2; \
exit 1; } || : ; \
- ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_vars); \
- perl -lne '$(_gl_TS_var_match) and print "^$$1\$$"' \
+ ( printf '%s\n' '__.*' main $(_gl_TS_unmarked_extern_vars); \
+ perl -lne '$(_gl_TS_var_match) and print $$1' \
$$hdr $(_gl_TS_other_headers) \
- ) | sort -u > $$t; \
+ ) | sort -u | $(SED) "$$sed_wrap" > $$t; \
nm -g $(_gl_TS_obj_files) | $(SED) -n 's/.* [BCDGRS] //p' \
| sort -u | grep -Ev -f $$t \
&& { echo the above variables should have static scope >&2; \