exit 1; } || :; \
fi
-sc_the_the:
- @prohibit='\<the ''the\>' \
- ignore_case=1 \
- halt='found use of "the ''the";' \
- $(_sc_search_regexp)
-
sc_trailing_blank:
@prohibit='[ ]$$' \
halt='found trailing blank(s)' \
halt='do not define S_IS* macros; include <sys/stat.h>' \
$(_sc_search_regexp)
-prohibit_doubled_word_RE_ ?= \
- /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims
-prohibit_doubled_word_ = \
- -e 'while ($(prohibit_doubled_word_RE_))' \
+# Perl block to convert a match to FILE_NAME:LINENO:TEST,
+# that is shared by two definitions below.
+perl_filename_lineno_text_ = \
-e ' {' \
-e ' $$n = ($$` =~ tr/\n/\n/ + 1);' \
-e ' ($$v = $$&) =~ s/\n/\\n/g;' \
-e ' print "$$ARGV:$$n:$$v\n";' \
-e ' }'
+prohibit_doubled_word_RE_ ?= \
+ /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims
+prohibit_doubled_word_ = \
+ -e 'while ($(prohibit_doubled_word_RE_))' \
+ $(perl_filename_lineno_text_)
+
# Define this to a regular expression that matches
# any filename:dd:match lines you want to ignore.
# The default is to ignore no matches.
| grep -vE '$(ignore_doubled_word_match_RE_)' \
| grep . && { echo '$(ME): doubled words' 1>&2; exit 1; } || :
-sc_prohibit_can_not:
- @prohibit='\<can[ ]not\>' \
- halt='use "cannot", not "can'' not"' \
- $(_sc_search_regexp)
+# A regular expression matching undesirable combinations of words like
+# "can not"; this matches them even when the two words appear on different
+# lines, but not when there is an intervening delimiter like "#" or "*".
+prohibit_undesirable_word_seq_RE_ ?= \
+ /\bcan\s+not\b/gims
+prohibit_undesirable_word_seq_ = \
+ -e 'while ($(prohibit_undesirable_word_seq_RE_))' \
+ $(perl_filename_lineno_text_)
+# Define this to a regular expression that matches
+# any filename:dd:match lines you want to ignore.
+# The default is to ignore no matches.
+ignore_undesirable_word_sequence_RE_ ?= ^$$
+
+sc_prohibit_undesirable_word_seq:
+ @perl -n -0777 $(prohibit_undesirable_word_seq_) \
+ $$($(VC_LIST_EXCEPT)) \
+ | grep -vE '$(ignore_undesirable_word_sequence_RE_)' | grep . \
+ && { echo '$(ME): undesirable word sequence' >&2; exit 1; } || :
_ptm1 = use "test C1 && test C2", not "test C1 -''a C2"
_ptm2 = use "test C1 || test C2", not "test C1 -''o C2"
release-prep:
case $$RELEASE_TYPE in alpha|beta|stable) ;; \
*) echo "invalid RELEASE_TYPE: $$RELEASE_TYPE" 1>&2; exit 1;; esac
- $(MAKE) -s announcement > ~/announce-$(my_distdir)
+ $(MAKE) --no-print-directory -s announcement > ~/announce-$(my_distdir)
if test -d $(release_archive_dir); then \
ln $(rel-files) $(release_archive_dir); \
chmod a-w $(rel-files); \
grep -l -w Copyright \
$$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \
| $(update-copyright-env) xargs $(build_aux)/$@
+
+# NOTE: This test is silently skipped if $(_gl_TS_dir)/Makefile.am
+# does not mention noinst_HEADERS.
+# NOTE: to override these _gl_TS_* default values, you must
+# define the variable(s) using "export" in cfg.mk.
+_gl_TS_dir ?= src
+ALL_RECURSIVE_TARGETS += sc_tight_scope
+sc_tight_scope: tight-scope.mk
+ @grep noinst_HEADERS $(_gl_TS_dir)/Makefile.am > /dev/null 2>&1 \
+ && $(MAKE) -s -C $(_gl_TS_dir) -f Makefile \
+ -f '$(abs_srcdir)/tight-scope.mk' _gl_tight_scope \
+ || :
+ @rm -f $<
+
+tight-scope.mk: $(ME)
+ @rm -f $@ $@-t
+ @perl -ne '/^# TS-start/.../^# TS-end/ and print' $(ME) > $@-t
+ @chmod a=r $@-t && mv $@-t $@
+
+ifeq (a,b)
+# TS-start
+# Most functions should have static scope.
+# Any that don't must be marked with `extern', but `main'
+# and `usage' are exceptions: they're always extern, but
+# do not need to be marked. Symbols matching `__.*' are
+# reserved by the compiler, so are automatically excluded below.
+_gl_TS_unmarked_extern_functions ?= main usage
+_gl_TS_function_match ?= \
+ /^(?:extern|XTERN) +(?:void|(?:struct |const |enum )?\S+) +\**(\S+) +\(/
+
+# The second nm|grep checks for file-scope variables with `extern' scope.
+# Without gnulib's progname module, you might put program_name here.
+# Symbols matching `__.*' are reserved by the compiler,
+# so are automatically excluded below.
+_gl_TS_unmarked_extern_vars ?=
+
+# NOTE: the _match variables are perl expressions -- not mere regular
+# expressions -- so that you can extend them to match other patterns
+# and easily extract matched variable names.
+# For example, if your project declares some global variables via
+# a macro like this: GLOBAL(type, var_name, initializer), then you
+# can override this definition to automatically extract those names:
+# export _gl_TS_var_match = \
+# /^(?:extern|XTERN) .*?\**(\w+)(\[.*?\])?;/ || /\bGLOBAL\(.*?,\s*(.*?),/
+_gl_TS_var_match ?= /^(?:extern|XTERN) .*?\**(\w+)(\[.*?\])?;/
+.PHONY: _gl_tight_scope
+_gl_tight_scope: $(bin_PROGRAMS)
+ t=exceptions-$$$$; \
+ trap 's=$$?; rm -f $$t; exit $$s' 0; \
+ for sig in 1 2 3 13 15; do \
+ eval "trap 'v=`expr $$sig + 128`; (exit $$v); exit $$v' $$sig"; \
+ done; \
+ src=`for f in $(SOURCES); do \
+ test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
+ hdr=`for f in $(noinst_HEADERS); do \
+ test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
+ ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_functions); \
+ grep -h -A1 '^extern .*[^;]$$' $$src \
+ | grep -vE '^(extern |--)' | sed 's/ .*//'; \
+ perl -lne '$(_gl_TS_function_match)' \
+ -e 'and print $$1' $$hdr; \
+ ) | sort -u | sed 's/^/^/;s/$$/$$/' > $$t; \
+ nm -e *.$(OBJEXT) | 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 "^$$1\$$"' \
+ $$hdr *.h ) | sort -u > $$t; \
+ nm -e *.$(OBJEXT) | sed -n 's/.* [BCDGRS] //p' \
+ | sort -u | grep -Ev -f $$t \
+ && { echo the above variables should have static scope >&2; \
+ exit 1; } || :
+# TS-end
+endif