HCoop / bpt / guile.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge remote-tracking branch 'origin/stable-2.0'
[bpt/guile.git] / maint.mk
1 # -*-Makefile-*-
2 # This Makefile fragment tries to be general-purpose enough to be
3 # used by many projects via the gnulib maintainer-makefile module.
4
5 ## Copyright (C) 2001-2011 Free Software Foundation, Inc.
6 ##
7 ## This program is free software: you can redistribute it and/or modify
8 ## it under the terms of the GNU General Public License as published by
9 ## the Free Software Foundation, either version 3 of the License, or
10 ## (at your option) any later version.
11 ##
12 ## This program is distributed in the hope that it will be useful,
13 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 ## GNU General Public License for more details.
16 ##
17 ## You should have received a copy of the GNU General Public License
18 ## along with this program. If not, see <http://www.gnu.org/licenses/>.
19
20 # This is reported not to work with make-3.79.1
21 # ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
22 ME := maint.mk
23
24 # Override this in cfg.mk if you use a non-standard build-aux directory.
25 build_aux ?= $(srcdir)/build-aux
26
27 # Do not save the original name or timestamp in the .tar.gz file.
28 # Use --rsyncable if available.
29 gzip_rsyncable := \
30 $(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null \
31 && printf %s --rsyncable)
32 GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
33
34 GIT = git
35 VC = $(GIT)
36
37 VC_LIST = $(build_aux)/vc-list-files -C $(srcdir)
38
39 # You can override this variable in cfg.mk to set your own regexp
40 # matching files to ignore.
41 VC_LIST_ALWAYS_EXCLUDE_REGEX ?= ^$$
42
43 # This is to preprocess robustly the output of $(VC_LIST), so that even
44 # when $(srcdir) is a pathological name like "....", the leading sed command
45 # removes only the intended prefix.
46 _dot_escaped_srcdir = $(subst .,\.,$(srcdir))
47
48 # Post-process $(VC_LIST) output, prepending $(srcdir)/, but only
49 # when $(srcdir) is not ".".
50 ifeq ($(srcdir),.)
51 _prepend_srcdir_prefix =
52 else
53 _prepend_srcdir_prefix = | sed 's|^|$(srcdir)/|'
54 endif
55
56 # In order to be able to consistently filter "."-relative names,
57 # (i.e., with no $(srcdir) prefix), this definition is careful to
58 # remove any $(srcdir) prefix, and to restore what it removes.
59 _sc_excl = \
60 $(if $(exclude_file_name_regexp--$@),$(exclude_file_name_regexp--$@),^$$)
61 VC_LIST_EXCEPT = \
62 $(VC_LIST) | sed 's|^$(_dot_escaped_srcdir)/||' \
63 | if test -f $(srcdir)/.x-$@; then grep -vEf $(srcdir)/.x-$@; \
64 else grep -Ev -e "$${VC_LIST_EXCEPT_DEFAULT-ChangeLog}"; fi \
65 | grep -Ev -e '($(VC_LIST_ALWAYS_EXCLUDE_REGEX)|$(_sc_excl))' \
66 $(_prepend_srcdir_prefix)
67
68 ifeq ($(origin prev_version_file), undefined)
69 prev_version_file = $(srcdir)/.prev-version
70 endif
71
72 PREV_VERSION := $(shell cat $(prev_version_file) 2>/dev/null)
73 VERSION_REGEXP = $(subst .,\.,$(VERSION))
74 PREV_VERSION_REGEXP = $(subst .,\.,$(PREV_VERSION))
75
76 ifeq ($(VC),$(GIT))
77 this-vc-tag = v$(VERSION)
78 this-vc-tag-regexp = v$(VERSION_REGEXP)
79 else
80 tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')
81 tag-this-version = $(subst .,_,$(VERSION))
82 this-vc-tag = $(tag-package)-$(tag-this-version)
83 this-vc-tag-regexp = $(this-vc-tag)
84 endif
85 my_distdir = $(PACKAGE)-$(VERSION)
86
87 # Old releases are stored here.
88 release_archive_dir ?= ../release
89
90 # Override gnu_rel_host and url_dir_list in cfg.mk if these are not right.
91 # Use alpha.gnu.org for alpha and beta releases.
92 # Use ftp.gnu.org for stable releases.
93 gnu_ftp_host-alpha = alpha.gnu.org
94 gnu_ftp_host-beta = alpha.gnu.org
95 gnu_ftp_host-stable = ftp.gnu.org
96 gnu_rel_host ?= $(gnu_ftp_host-$(RELEASE_TYPE))
97
98 ifeq ($(gnu_rel_host),ftp.gnu.org)
99 url_dir_list ?= http://ftpmirror.gnu.org/$(PACKAGE)
100 else
101 url_dir_list ?= ftp://$(gnu_rel_host)/gnu/$(PACKAGE)
102 endif
103
104 # Override this in cfg.mk if you are using a different format in your
105 # NEWS file.
106 today = $(shell date +%Y-%m-%d)
107
108 # Select which lines of NEWS are searched for $(news-check-regexp).
109 # This is a sed line number spec. The default says that we search
110 # lines 1..10 of NEWS for $(news-check-regexp).
111 # If you want to search only line 3 or only lines 20-22, use "3" or "20,22".
112 news-check-lines-spec ?= 1,10
113 news-check-regexp ?= '^\*.* $(VERSION_REGEXP) \($(today)\)'
114
115 # Prevent programs like 'sort' from considering distinct strings to be equal.
116 # Doing it here saves us from having to set LC_ALL elsewhere in this file.
117 export LC_ALL = C
118
119 ## --------------- ##
120 ## Sanity checks. ##
121 ## --------------- ##
122
123 _cfg_mk := $(shell test -f $(srcdir)/cfg.mk && echo '$(srcdir)/cfg.mk')
124
125 # Collect the names of rules starting with `sc_'.
126 syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \
127 $(srcdir)/$(ME) $(_cfg_mk)))
128 .PHONY: $(syntax-check-rules)
129
130 ifeq ($(shell $(VC_LIST) >/dev/null 2>&1; echo $$?),0)
131 local-checks-available += $(syntax-check-rules)
132 else
133 local-checks-available += no-vc-detected
134 no-vc-detected:
135 @echo "No version control files detected; skipping syntax check"
136 endif
137 .PHONY: $(local-checks-available)
138
139 # Arrange to print the name of each syntax-checking rule just before running it.
140 $(syntax-check-rules): %: %.m
141 sc_m_rules_ = $(patsubst %, %.m, $(syntax-check-rules))
142 .PHONY: $(sc_m_rules_)
143 $(sc_m_rules_):
144 @echo $(patsubst sc_%.m, %, $@)
145 @date +%s.%N > .sc-start-$(basename $@)
146
147 # Compute and print the elapsed time for each syntax-check rule.
148 sc_z_rules_ = $(patsubst %, %.z, $(syntax-check-rules))
149 .PHONY: $(sc_z_rules_)
150 $(sc_z_rules_): %.z: %
151 @end=$$(date +%s.%N); \
152 start=$$(cat .sc-start-$*); \
153 rm -f .sc-start-$*; \
154 awk -v s=$$start -v e=$$end \
155 'END {printf "%.2f $(patsubst sc_%,%,$*)\n", e - s}' < /dev/null
156
157 # The patsubst here is to replace each sc_% rule with its sc_%.z wrapper
158 # that computes and prints elapsed time.
159 local-check := \
160 $(patsubst sc_%, sc_%.z, \
161 $(filter-out $(local-checks-to-skip), $(local-checks-available)))
162
163 syntax-check: $(local-check)
164
165 # _sc_search_regexp
166 #
167 # This macro searches for a given construct in the selected files and
168 # then takes some action.
169 #
170 # Parameters (shell variables):
171 #
172 # prohibit | require
173 #
174 # Regular expression (ERE) denoting either a forbidden construct
175 # or a required construct. Those arguments are exclusive.
176 #
177 # in_vc_files | in_files
178 #
179 # grep-E-style regexp denoting the files to check. If no files
180 # are specified the default are all the files that are under
181 # version control.
182 #
183 # containing | non_containing
184 #
185 # Select the files (non) containing strings matching this regexp.
186 # If both arguments are specified then CONTAINING takes
187 # precedence.
188 #
189 # with_grep_options
190 #
191 # Extra options for grep.
192 #
193 # ignore_case
194 #
195 # Ignore case.
196 #
197 # halt
198 #
199 # Message to display before to halting execution.
200 #
201 # Finally, you may exempt files based on an ERE matching file names.
202 # For example, to exempt from the sc_space_tab check all files with the
203 # .diff suffix, set this Make variable:
204 #
205 # exclude_file_name_regexp--sc_space_tab = \.diff$
206 #
207 # Note that while this functionality is mostly inherited via VC_LIST_EXCEPT,
208 # when filtering by name via in_files, we explicitly filter out matching
209 # names here as well.
210
211 # By default, _sc_search_regexp does not ignore case.
212 export ignore_case =
213 _ignore_case = $$(test -n "$$ignore_case" && printf %s -i || :)
214
215 define _sc_say_and_exit
216 dummy=; : so we do not need a semicolon before each use; \
217 { printf '%s\n' "$(ME): $$msg" 1>&2; exit 1; };
218 endef
219
220 # _sc_search_regexp used to be named _prohibit_regexp. However,
221 # upgrading to the new definition and leaving the old name undefined
222 # would usually convert each custom rule using $(_prohibit_regexp)
223 # (usually defined in cfg.mk) into a no-op. This definition ensures
224 # that people know right away if they're still using the old name.
225 # FIXME: remove in 2012.
226 _prohibit_regexp = \
227 $(error '*** you need to s/_prohibit_regexp/_sc_search_regexp/, and adapt')
228
229 define _sc_search_regexp
230 dummy=; : so we do not need a semicolon before each use; \
231 \
232 : Check arguments; \
233 test -n "$$prohibit" && test -n "$$require" \
234 && { msg='Cannot specify both prohibit and require' \
235 $(_sc_say_and_exit) } || :; \
236 test -z "$$prohibit" && test -z "$$require" \
237 && { msg='Should specify either prohibit or require' \
238 $(_sc_say_and_exit) } || :; \
239 test -n "$$in_vc_files" && test -n "$$in_files" \
240 && { msg='Cannot specify both in_vc_files and in_files' \
241 $(_sc_say_and_exit) } || :; \
242 test "x$$halt" != x \
243 || { msg='halt not defined' $(_sc_say_and_exit) }; \
244 \
245 : Filter by file name; \
246 if test -n "$$in_files"; then \
247 files=$$(find $(srcdir) | grep -E "$$in_files" \
248 | grep -Ev '$(exclude_file_name_regexp--$@)'); \
249 else \
250 files=$$($(VC_LIST_EXCEPT)); \
251 if test -n "$$in_vc_files"; then \
252 files=$$(echo "$$files" | grep -E "$$in_vc_files"); \
253 fi; \
254 fi; \
255 \
256 : Filter by content; \
257 test -n "$$files" && test -n "$$containing" \
258 && { files=$$(grep -l "$$containing" $$files); } || :; \
259 test -n "$$files" && test -n "$$non_containing" \
260 && { files=$$(grep -vl "$$non_containing" $$files); } || :; \
261 \
262 : Check for the construct; \
263 if test -n "$$files"; then \
264 if test -n "$$prohibit"; then \
265 grep $$with_grep_options $(_ignore_case) -nE "$$prohibit" $$files \
266 && { msg="$$halt" $(_sc_say_and_exit) } || :; \
267 else \
268 grep $$with_grep_options $(_ignore_case) -LE "$$require" $$files \
269 | grep . \
270 && { msg="$$halt" $(_sc_say_and_exit) } || :; \
271 fi \
272 else :; \
273 fi || :;
274 endef
275
276 sc_avoid_if_before_free:
277 @$(build_aux)/useless-if-before-free \
278 $(useless_free_options) \
279 $$($(VC_LIST_EXCEPT) | grep -v useless-if-before-free) && \
280 { echo '$(ME): found useless "if" before "free" above' 1>&2; \
281 exit 1; } || :
282
283 sc_cast_of_argument_to_free:
284 @prohibit='\<free *\( *\(' halt='don'\''t cast free argument' \
285 $(_sc_search_regexp)
286
287 sc_cast_of_x_alloc_return_value:
288 @prohibit='\*\) *x(m|c|re)alloc\>' \
289 halt='don'\''t cast x*alloc return value' \
290 $(_sc_search_regexp)
291
292 sc_cast_of_alloca_return_value:
293 @prohibit='\*\) *alloca\>' \
294 halt='don'\''t cast alloca return value' \
295 $(_sc_search_regexp)
296
297 sc_space_tab:
298 @prohibit='[ ] ' \
299 halt='found SPACE-TAB sequence; remove the SPACE' \
300 $(_sc_search_regexp)
301
302 # Don't use *scanf or the old ato* functions in `real' code.
303 # They provide no error checking mechanism.
304 # Instead, use strto* functions.
305 sc_prohibit_atoi_atof:
306 @prohibit='\<([fs]?scanf|ato([filq]|ll)) *\(' \
307 halt='do not use *scan''f, ato''f, ato''i, ato''l, ato''ll or ato''q' \
308 $(_sc_search_regexp)
309
310 # Use STREQ rather than comparing strcmp == 0, or != 0.
311 sc_prohibit_strcmp:
312 @grep -nE '! *str''cmp *\(|\<str''cmp *\(.+\) *[!=]=' \
313 $$($(VC_LIST_EXCEPT)) \
314 | grep -vE ':# *define STRN?EQ\(' && \
315 { echo '$(ME): replace str''cmp calls above with STREQ/STRNEQ' \
316 1>&2; exit 1; } || :
317
318 # Pass EXIT_*, not number, to usage, exit, and error (when exiting)
319 # Convert all uses automatically, via these two commands:
320 # git grep -l '\<exit *(1)' \
321 # | grep -vEf .x-sc_prohibit_magic_number_exit \
322 # | xargs --no-run-if-empty \
323 # perl -pi -e 's/(^|[^.])\b(exit ?)\(1\)/$1$2(EXIT_FAILURE)/'
324 # git grep -l '\<exit *(0)' \
325 # | grep -vEf .x-sc_prohibit_magic_number_exit \
326 # | xargs --no-run-if-empty \
327 # perl -pi -e 's/(^|[^.])\b(exit ?)\(0\)/$1$2(EXIT_SUCCESS)/'
328 sc_prohibit_magic_number_exit:
329 @prohibit='(^|[^.])\<(usage|exit) ?\([0-9]|\<error ?\([1-9][0-9]*,' \
330 halt='use EXIT_* values rather than magic number' \
331 $(_sc_search_regexp)
332
333 # Using EXIT_SUCCESS as the first argument to error is misleading,
334 # since when that parameter is 0, error does not exit. Use `0' instead.
335 sc_error_exit_success:
336 @prohibit='error *\(EXIT_SUCCESS,' \
337 in_vc_files='\.[chly]$$' \
338 halt='found error (EXIT_SUCCESS' \
339 $(_sc_search_regexp)
340
341 # `FATAL:' should be fully upper-cased in error messages
342 # `WARNING:' should be fully upper-cased, or fully lower-cased
343 sc_error_message_warn_fatal:
344 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
345 | grep -E '"Warning|"Fatal|"fatal' && \
346 { echo '$(ME): use FATAL, WARNING or warning' 1>&2; \
347 exit 1; } || :
348
349 # Error messages should not start with a capital letter
350 sc_error_message_uppercase:
351 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
352 | grep -E '"[A-Z]' \
353 | grep -vE '"FATAL|"WARNING|"Java|"C#|PRIuMAX' && \
354 { echo '$(ME): found capitalized error message' 1>&2; \
355 exit 1; } || :
356
357 # Error messages should not end with a period
358 sc_error_message_period:
359 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
360 | grep -E '[^."]\."' && \
361 { echo '$(ME): found error message ending in period' 1>&2; \
362 exit 1; } || :
363
364 sc_file_system:
365 @prohibit=file''system \
366 ignore_case=1 \
367 halt='found use of "file''system"; spell it "file system"' \
368 $(_sc_search_regexp)
369
370 # Don't use cpp tests of this symbol. All code assumes config.h is included.
371 sc_prohibit_have_config_h:
372 @prohibit='^# *if.*HAVE''_CONFIG_H' \
373 halt='found use of HAVE''_CONFIG_H; remove' \
374 $(_sc_search_regexp)
375
376 # Nearly all .c files must include <config.h>. However, we also permit this
377 # via inclusion of a package-specific header, if cfg.mk specified one.
378 # config_h_header must be suitable for grep -E.
379 config_h_header ?= <config\.h>
380 sc_require_config_h:
381 @require='^# *include $(config_h_header)' \
382 in_vc_files='\.c$$' \
383 halt='the above files do not include <config.h>' \
384 $(_sc_search_regexp)
385
386 # You must include <config.h> before including any other header file.
387 # This can possibly be via a package-specific header, if given by cfg.mk.
388 sc_require_config_h_first:
389 @if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \
390 fail=0; \
391 for i in $$($(VC_LIST_EXCEPT) | grep '\.c$$'); do \
392 grep '^# *include\>' $$i | sed 1q \
393 | grep -E '^# *include $(config_h_header)' > /dev/null \
394 || { echo $$i; fail=1; }; \
395 done; \
396 test $$fail = 1 && \
397 { echo '$(ME): the above files include some other header' \
398 'before <config.h>' 1>&2; exit 1; } || :; \
399 else :; \
400 fi
401
402 sc_prohibit_HAVE_MBRTOWC:
403 @prohibit='\bHAVE_MBRTOWC\b' \
404 halt="do not use $$prohibit; it is always defined" \
405 $(_sc_search_regexp)
406
407 # To use this "command" macro, you must first define two shell variables:
408 # h: the header name, with no enclosing <> or ""
409 # re: a regular expression that matches IFF something provided by $h is used.
410 define _sc_header_without_use
411 dummy=; : so we do not need a semicolon before each use; \
412 h_esc=`echo '[<"]'"$$h"'[">]'|sed 's/\./\\\\./g'`; \
413 if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \
414 files=$$(grep -l '^# *include '"$$h_esc" \
415 $$($(VC_LIST_EXCEPT) | grep '\.c$$')) && \
416 grep -LE "$$re" $$files | grep . && \
417 { echo "$(ME): the above files include $$h but don't use it" \
418 1>&2; exit 1; } || :; \
419 else :; \
420 fi
421 endef
422
423 # Prohibit the inclusion of assert.h without an actual use of assert.
424 sc_prohibit_assert_without_use:
425 @h='assert.h' re='\<assert *\(' $(_sc_header_without_use)
426
427 # Prohibit the inclusion of close-stream.h without an actual use.
428 sc_prohibit_close_stream_without_use:
429 @h='close-stream.h' re='\<close_stream *\(' $(_sc_header_without_use)
430
431 # Prohibit the inclusion of getopt.h without an actual use.
432 sc_prohibit_getopt_without_use:
433 @h='getopt.h' re='\<getopt(_long)? *\(' $(_sc_header_without_use)
434
435 # Don't include quotearg.h unless you use one of its functions.
436 sc_prohibit_quotearg_without_use:
437 @h='quotearg.h' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use)
438
439 # Don't include quote.h unless you use one of its functions.
440 sc_prohibit_quote_without_use:
441 @h='quote.h' re='\<quote(_n)? *\(' $(_sc_header_without_use)
442
443 # Don't include this header unless you use one of its functions.
444 sc_prohibit_long_options_without_use:
445 @h='long-options.h' re='\<parse_long_options *\(' \
446 $(_sc_header_without_use)
447
448 # Don't include this header unless you use one of its functions.
449 sc_prohibit_inttostr_without_use:
450 @h='inttostr.h' re='\<(off|[iu]max|uint)tostr *\(' \
451 $(_sc_header_without_use)
452
453 # Don't include this header unless you use one of its functions.
454 sc_prohibit_ignore_value_without_use:
455 @h='ignore-value.h' re='\<ignore_(value|ptr) *\(' \
456 $(_sc_header_without_use)
457
458 # Don't include this header unless you use one of its functions.
459 sc_prohibit_error_without_use:
460 @h='error.h' \
461 re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\
462 $(_sc_header_without_use)
463
464 # Don't include xalloc.h unless you use one of its functions.
465 # Consider these symbols:
466 # perl -lne '/^# *define (\w+)\(/ and print $1' lib/xalloc.h|grep -v '^__';
467 # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/xalloc.h
468 # Divide into two sets on case, and filter each through this:
469 # | sort | perl -MRegexp::Assemble -le \
470 # 'print Regexp::Assemble->new(file => "/dev/stdin")->as_string'|sed 's/\?://g'
471 # Note this was produced by the above:
472 # _xa1 = \
473 #x(((2n?)?re|c(har)?|n(re|m)|z)alloc|alloc_(oversized|die)|m(alloc|emdup)|strdup)
474 # But we can do better, in at least two ways:
475 # 1) take advantage of two "dup"-suffixed strings:
476 # x(((2n?)?re|c(har)?|n(re|m)|[mz])alloc|alloc_(oversized|die)|(mem|str)dup)
477 # 2) notice that "c(har)?|[mz]" is equivalent to the shorter and more readable
478 # "char|[cmz]"
479 # x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup)
480 _xa1 = x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup)
481 _xa2 = X([CZ]|N?M)ALLOC
482 sc_prohibit_xalloc_without_use:
483 @h='xalloc.h' \
484 re='\<($(_xa1)|$(_xa2)) *\('\
485 $(_sc_header_without_use)
486
487 # Extract function names:
488 # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/hash.h
489 _hash_re = \
490 clear|delete|free|get_(first|next)|insert|lookup|print_statistics|reset_tuning
491 _hash_fn = \<($(_hash_re)) *\(
492 _hash_struct = (struct )?\<[Hh]ash_(table|tuning)\>
493 sc_prohibit_hash_without_use:
494 @h='hash.h' \
495 re='$(_hash_fn)|$(_hash_struct)'\
496 $(_sc_header_without_use)
497
498 sc_prohibit_cloexec_without_use:
499 @h='cloexec.h' re='\<(set_cloexec_flag|dup_cloexec) *\(' \
500 $(_sc_header_without_use)
501
502 sc_prohibit_posixver_without_use:
503 @h='posixver.h' re='\<posix2_version *\(' $(_sc_header_without_use)
504
505 sc_prohibit_same_without_use:
506 @h='same.h' re='\<same_name *\(' $(_sc_header_without_use)
507
508 sc_prohibit_hash_pjw_without_use:
509 @h='hash-pjw.h' \
510 re='\<hash_pjw *\(' \
511 $(_sc_header_without_use)
512
513 sc_prohibit_safe_read_without_use:
514 @h='safe-read.h' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
515 $(_sc_header_without_use)
516
517 sc_prohibit_argmatch_without_use:
518 @h='argmatch.h' \
519 re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<(invalid_arg|argmatch(_exit_fn|_(in)?valid)?) *\()' \
520 $(_sc_header_without_use)
521
522 sc_prohibit_canonicalize_without_use:
523 @h='canonicalize.h' \
524 re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode)' \
525 $(_sc_header_without_use)
526
527 sc_prohibit_root_dev_ino_without_use:
528 @h='root-dev-ino.h' \
529 re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \
530 $(_sc_header_without_use)
531
532 sc_prohibit_openat_without_use:
533 @h='openat.h' \
534 re='\<(openat_(permissive|needs_fchdir|(save|restore)_fail)|l?(stat|ch(own|mod))at|(euid)?accessat)\>' \
535 $(_sc_header_without_use)
536
537 # Prohibit the inclusion of c-ctype.h without an actual use.
538 ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
539 |isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper
540 sc_prohibit_c_ctype_without_use:
541 @h='c-ctype.h' re='\<c_($(ctype_re)) *\(' \
542 $(_sc_header_without_use)
543
544 _empty =
545 _sp = $(_empty) $(_empty)
546 # The following list was generated by running:
547 # man signal.h|col -b|perl -ne '/bsd_signal.*;/.../sigwaitinfo.*;/ and print' \
548 # | perl -lne '/^\s+(?:int|void).*?(\w+).*/ and print $1' | fmt
549 _sig_functions = \
550 bsd_signal kill killpg pthread_kill pthread_sigmask raise sigaction \
551 sigaddset sigaltstack sigdelset sigemptyset sigfillset sighold sigignore \
552 siginterrupt sigismember signal sigpause sigpending sigprocmask sigqueue \
553 sigrelse sigset sigsuspend sigtimedwait sigwait sigwaitinfo
554 _sig_function_re = $(subst $(_sp),|,$(strip $(_sig_functions)))
555 # The following were extracted from "man signal.h" manually.
556 _sig_types_and_consts = \
557 MINSIGSTKSZ SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK \
558 SA_RESETHAND SA_RESTART SA_SIGINFO SIGEV_NONE SIGEV_SIGNAL \
559 SIGEV_THREAD SIGSTKSZ SIG_BLOCK SIG_SETMASK SIG_UNBLOCK SS_DISABLE \
560 SS_ONSTACK mcontext_t pid_t sig_atomic_t sigevent siginfo_t sigset_t \
561 sigstack sigval stack_t ucontext_t
562 # generated via this:
563 # perl -lne '/^#ifdef (SIG\w+)/ and print $1' lib/sig2str.c|sort -u|fmt -70
564 _sig_names = \
565 SIGABRT SIGALRM SIGALRM1 SIGBUS SIGCANCEL SIGCHLD SIGCLD SIGCONT \
566 SIGDANGER SIGDIL SIGEMT SIGFPE SIGFREEZE SIGGRANT SIGHUP SIGILL \
567 SIGINFO SIGINT SIGIO SIGIOT SIGKAP SIGKILL SIGKILLTHR SIGLOST SIGLWP \
568 SIGMIGRATE SIGMSG SIGPHONE SIGPIPE SIGPOLL SIGPRE SIGPROF SIGPWR \
569 SIGQUIT SIGRETRACT SIGSAK SIGSEGV SIGSOUND SIGSTKFLT SIGSTOP SIGSYS \
570 SIGTERM SIGTHAW SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGURG SIGUSR1 \
571 SIGUSR2 SIGVIRT SIGVTALRM SIGWAITING SIGWINCH SIGWIND SIGWINDOW \
572 SIGXCPU SIGXFSZ
573 _sig_syms_re = $(subst $(_sp),|,$(strip $(_sig_names) $(_sig_types_and_consts)))
574
575 # Prohibit the inclusion of signal.h without an actual use.
576 sc_prohibit_signal_without_use:
577 @h='signal.h' \
578 re='\<($(_sig_function_re)) *\(|\<($(_sig_syms_re))\>' \
579 $(_sc_header_without_use)
580
581 # Don't include stdio--.h unless you use one of its functions.
582 sc_prohibit_stdio--_without_use:
583 @h='stdio--.h' re='\<((f(re)?|p)open|tmpfile) *\(' \
584 $(_sc_header_without_use)
585
586 # Don't include stdio-safer.h unless you use one of its functions.
587 sc_prohibit_stdio-safer_without_use:
588 @h='stdio-safer.h' re='\<((f(re)?|p)open|tmpfile)_safer *\(' \
589 $(_sc_header_without_use)
590
591 # Prohibit the inclusion of strings.h without a sensible use.
592 # Using the likes of bcmp, bcopy, bzero, index or rindex is not sensible.
593 sc_prohibit_strings_without_use:
594 @h='strings.h' \
595 re='\<(strn?casecmp|ffs(ll)?)\>' \
596 $(_sc_header_without_use)
597
598 # Get the list of symbol names with this:
599 # perl -lne '/^# *define ([A-Z]\w+)\(/ and print $1' lib/intprops.h|fmt
600 _intprops_names = \
601 TYPE_IS_INTEGER TYPE_TWOS_COMPLEMENT TYPE_ONES_COMPLEMENT \
602 TYPE_SIGNED_MAGNITUDE TYPE_SIGNED TYPE_MINIMUM TYPE_MAXIMUM \
603 INT_BITS_STRLEN_BOUND INT_STRLEN_BOUND INT_BUFSIZE_BOUND \
604 INT_ADD_RANGE_OVERFLOW INT_SUBTRACT_RANGE_OVERFLOW \
605 INT_NEGATE_RANGE_OVERFLOW INT_MULTIPLY_RANGE_OVERFLOW \
606 INT_DIVIDE_RANGE_OVERFLOW INT_REMAINDER_RANGE_OVERFLOW \
607 INT_LEFT_SHIFT_RANGE_OVERFLOW INT_ADD_OVERFLOW INT_SUBTRACT_OVERFLOW \
608 INT_NEGATE_OVERFLOW INT_MULTIPLY_OVERFLOW INT_DIVIDE_OVERFLOW \
609 INT_REMAINDER_OVERFLOW INT_LEFT_SHIFT_OVERFLOW
610 _intprops_syms_re = $(subst $(_sp),|,$(strip $(_intprops_names)))
611 # Prohibit the inclusion of intprops.h without an actual use.
612 sc_prohibit_intprops_without_use:
613 @h='intprops.h' \
614 re='\<($(_intprops_syms_re)) *\(' \
615 $(_sc_header_without_use)
616
617 _stddef_syms_re = NULL|offsetof|ptrdiff_t|size_t|wchar_t
618 # Prohibit the inclusion of stddef.h without an actual use.
619 sc_prohibit_stddef_without_use:
620 @h='stddef.h' \
621 re='\<($(_stddef_syms_re)) *\(' \
622 $(_sc_header_without_use)
623
624 # Prohibit the inclusion of verify.h without an actual use.
625 sc_prohibit_verify_without_use:
626 @h='verify.h' \
627 re='\<(verify(true|expr)?|static_assert) *\(' \
628 $(_sc_header_without_use)
629
630 # Don't include xfreopen.h unless you use one of its functions.
631 sc_prohibit_xfreopen_without_use:
632 @h='xfreopen.h' re='\<xfreopen *\(' $(_sc_header_without_use)
633
634 sc_obsolete_symbols:
635 @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \
636 halt='do not use HAVE''_FCNTL_H or O'_NDELAY \
637 $(_sc_search_regexp)
638
639 # FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
640
641 # Each nonempty ChangeLog line must start with a year number, or a TAB.
642 sc_changelog:
643 @prohibit='^[^12 ]' \
644 in_vc_files='^ChangeLog$$' \
645 halt='found unexpected prefix in a ChangeLog' \
646 $(_sc_search_regexp)
647
648 # Ensure that each .c file containing a "main" function also
649 # calls set_program_name.
650 sc_program_name:
651 @require='set_program_name *\(m?argv\[0\]\);' \
652 in_vc_files='\.c$$' \
653 containing='\<main *(' \
654 halt='the above files do not call set_program_name' \
655 $(_sc_search_regexp)
656
657 # Ensure that each .c file containing a "main" function also
658 # calls bindtextdomain.
659 sc_bindtextdomain:
660 @require='bindtextdomain *\(' \
661 in_vc_files='\.c$$' \
662 containing='\<main *(' \
663 halt='the above files do not call bindtextdomain' \
664 $(_sc_search_regexp)
665
666 # Require that the final line of each test-lib.sh-using test be this one:
667 # Exit $fail
668 # Note: this test requires GNU grep's --label= option.
669 Exit_witness_file ?= tests/test-lib.sh
670 Exit_base := $(notdir $(Exit_witness_file))
671 sc_require_test_exit_idiom:
672 @if test -f $(srcdir)/$(Exit_witness_file); then \
673 die=0; \
674 for i in $$(grep -l -F 'srcdir/$(Exit_base)' \
675 $$($(VC_LIST) tests)); do \
676 tail -n1 $$i | grep '^Exit .' > /dev/null \
677 && : || { die=1; echo $$i; } \
678 done; \
679 test $$die = 1 && \
680 { echo 1>&2 '$(ME): the final line in each of the above is not:'; \
681 echo 1>&2 'Exit something'; \
682 exit 1; } || :; \
683 fi
684
685 sc_trailing_blank:
686 @prohibit='[ ]$$' \
687 halt='found trailing blank(s)' \
688 $(_sc_search_regexp)
689
690 # Match lines like the following, but where there is only one space
691 # between the options and the description:
692 # -D, --all-repeated[=delimit-method] print all duplicate lines\n
693 longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)?
694 sc_two_space_separator_in_usage:
695 @prohibit='^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \
696 halt='help2man requires at least two spaces between an option and its description'\
697 $(_sc_search_regexp)
698
699 # A regexp matching function names like "error" that may be used
700 # to emit translatable messages.
701 _gl_translatable_diag_func_re ?= error
702
703 # Look for diagnostics that aren't marked for translation.
704 # This won't find any for which error's format string is on a separate line.
705 sc_unmarked_diagnostics:
706 @grep -nE \
707 '\<$(_gl_translatable_diag_func_re) *\([^"]*"[^"]*[a-z]{3}' \
708 $$($(VC_LIST_EXCEPT)) \
709 | grep -Ev '(_|ngettext ?)\(' && \
710 { echo '$(ME): found unmarked diagnostic(s)' 1>&2; \
711 exit 1; } || :
712
713 # Avoid useless parentheses like those in this example:
714 # #if defined (SYMBOL) || defined (SYM2)
715 sc_useless_cpp_parens:
716 @prohibit='^# *if .*defined *\(' \
717 halt='found useless parentheses in cpp directive' \
718 $(_sc_search_regexp)
719
720 # List headers for which HAVE_HEADER_H is always true, assuming you are
721 # using the appropriate gnulib module. CAUTION: for each "unnecessary"
722 # #if HAVE_HEADER_H that you remove, be sure that your project explicitly
723 # requires the gnulib module that guarantees the usability of that header.
724 gl_assured_headers_ = \
725 cd $(gnulib_dir)/lib && echo *.in.h|sed 's/\.in\.h//g'
726
727 # Convert the list of names to upper case, and replace each space with "|".
728 az_ = abcdefghijklmnopqrstuvwxyz
729 AZ_ = ABCDEFGHIJKLMNOPQRSTUVWXYZ
730 gl_header_upper_case_or_ = \
731 $$($(gl_assured_headers_) \
732 | tr $(az_)/.- $(AZ_)___ \
733 | tr -s ' ' '|' \
734 )
735 sc_prohibit_always_true_header_tests:
736 @or=$(gl_header_upper_case_or_); \
737 re="HAVE_($$or)_H"; \
738 prohibit='\<'"$$re"'\>' \
739 halt=$$(printf '%s\n' \
740 'do not test the above HAVE_<header>_H symbol(s);' \
741 ' with the corresponding gnulib module, they are always true') \
742 $(_sc_search_regexp)
743
744 # ==================================================================
745 gl_other_headers_ ?= \
746 intprops.h \
747 openat.h \
748 stat-macros.h
749
750 # Perl -lne code to extract "significant" cpp-defined symbols from a
751 # gnulib header file, eliminating a few common false-positives.
752 gl_extract_significant_defines_ = \
753 /^\# *define ([^_ (][^ (]*)(\s*\(|\s+\w+)/\
754 && $$2 !~ /(?:rpl_|_used_without_)/\
755 && $$1 !~ /^(?:NSIG)$$/\
756 && $$1 !~ /^(?:SA_RESETHAND|SA_RESTART)$$/\
757 and print $$1
758
759 # Create a list of regular expressions matching the names
760 # of macros that are guaranteed to be defined by parts of gnulib.
761 define def_sym_regex
762 gen_h=$(gl_generated_headers_); \
763 (cd $(gnulib_dir)/lib; \
764 for f in *.in.h $(gl_other_headers_); do \
765 test -f $$f \
766 && perl -lne '$(gl_extract_significant_defines_)' $$f; \
767 done; \
768 ) | sort -u \
769 | sed 's/^/^ *# *(define|undef) */;s/$$/\\>/'
770 endef
771
772 # Don't define macros that we already get from gnulib header files.
773 sc_prohibit_always-defined_macros:
774 @if test -d $(gnulib_dir); then \
775 case $$(echo all: | grep -l -f - Makefile) in Makefile);; *) \
776 echo '$(ME): skipping $@: you lack GNU grep' 1>&2; exit 0;; \
777 esac; \
778 $(def_sym_regex) | grep -E -f - $$($(VC_LIST_EXCEPT)) \
779 && { echo '$(ME): define the above via some gnulib .h file' \
780 1>&2; exit 1; } || :; \
781 fi
782 # ==================================================================
783
784 # Prohibit checked in backup files.
785 sc_prohibit_backup_files:
786 @$(VC_LIST) | grep '~$$' && \
787 { echo '$(ME): found version controlled backup file' 1>&2; \
788 exit 1; } || :
789
790 # Require the latest GPL.
791 sc_GPL_version:
792 @prohibit='either ''version [^3]' \
793 halt='GPL vN, N!=3' \
794 $(_sc_search_regexp)
795
796 # Require the latest GFDL. Two regexp, since some .texi files end up
797 # line wrapping between 'Free Documentation License,' and 'Version'.
798 _GFDL_regexp = (Free ''Documentation.*Version 1\.[^3]|Version 1\.[^3] or any)
799 sc_GFDL_version:
800 @prohibit='$(_GFDL_regexp)' \
801 halt='GFDL vN, N!=3' \
802 $(_sc_search_regexp)
803
804 # Don't use Texinfo's @acronym{}.
805 # http://lists.gnu.org/archive/html/bug-gnulib/2010-03/msg00321.html
806 texinfo_suffix_re_ ?= \.(txi|texi(nfo)?)$$
807 sc_texinfo_acronym:
808 @prohibit='@acronym\{' \
809 in_vc_files='$(texinfo_suffix_re_)' \
810 halt='found use of Texinfo @acronym{}' \
811 $(_sc_search_regexp)
812
813 cvs_keywords = \
814 Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State
815
816 sc_prohibit_cvs_keyword:
817 @prohibit='\$$($(cvs_keywords))\$$' \
818 halt='do not use CVS keyword expansion' \
819 $(_sc_search_regexp)
820
821 # This Perl code is slightly obfuscated. Not only is each "$" doubled
822 # because it's in a Makefile, but the $$c's are comments; we cannot
823 # use "#" due to the way the script ends up concatenated onto one line.
824 # It would be much more concise, and would produce better output (including
825 # counts) if written as:
826 # perl -ln -0777 -e '/\n(\n+)$/ and print "$ARGV: ".length $1' ...
827 # but that would be far less efficient, reading the entire contents
828 # of each file, rather than just the last two bytes of each.
829 # In addition, while the code below detects both blank lines and a missing
830 # newline at EOF, the above detects only the former.
831 #
832 # This is a perl script that is expected to be the single-quoted argument
833 # to a command-line "-le". The remaining arguments are file names.
834 # Print the name of each file that ends in exactly one newline byte.
835 # I.e., warn if there are blank lines (2 or more newlines), or if the
836 # last byte is not a newline. However, currently we don't complain
837 # about any file that contains exactly one byte.
838 # Exit nonzero if at least one such file is found, otherwise, exit 0.
839 # Warn about, but otherwise ignore open failure. Ignore seek/read failure.
840 #
841 # Use this if you want to remove trailing empty lines from selected files:
842 # perl -pi -0777 -e 's/\n\n+$/\n/' files...
843 #
844 require_exactly_one_NL_at_EOF_ = \
845 foreach my $$f (@ARGV) \
846 { \
847 open F, "<", $$f or (warn "failed to open $$f: $$!\n"), next; \
848 my $$p = sysseek (F, -2, 2); \
849 my $$c = "seek failure probably means file has < 2 bytes; ignore"; \
850 my $$last_two_bytes; \
851 defined $$p and $$p = sysread F, $$last_two_bytes, 2; \
852 close F; \
853 $$c = "ignore read failure"; \
854 $$p && ($$last_two_bytes eq "\n\n" \
855 || substr ($$last_two_bytes,1) ne "\n") \
856 and (print $$f), $$fail=1; \
857 } \
858 END { exit defined $$fail }
859 sc_prohibit_empty_lines_at_EOF:
860 @perl -le '$(require_exactly_one_NL_at_EOF_)' $$($(VC_LIST_EXCEPT)) \
861 || { echo '$(ME): empty line(s) or no newline at EOF' \
862 1>&2; exit 1; } || :
863
864 # Make sure we don't use st_blocks. Use ST_NBLOCKS instead.
865 # This is a bit of a kludge, since it prevents use of the string
866 # even in comments, but for now it does the job with no false positives.
867 sc_prohibit_stat_st_blocks:
868 @prohibit='[.>]st_blocks' \
869 halt='do not use st_blocks; use ST_NBLOCKS' \
870 $(_sc_search_regexp)
871
872 # Make sure we don't define any S_IS* macros in src/*.c files.
873 # They're already defined via gnulib's sys/stat.h replacement.
874 sc_prohibit_S_IS_definition:
875 @prohibit='^ *# *define *S_IS' \
876 halt='do not define S_IS* macros; include <sys/stat.h>' \
877 $(_sc_search_regexp)
878
879 # Perl block to convert a match to FILE_NAME:LINENO:TEST,
880 # that is shared by two definitions below.
881 perl_filename_lineno_text_ = \
882 -e ' {' \
883 -e ' $$n = ($$` =~ tr/\n/\n/ + 1);' \
884 -e ' ($$v = $$&) =~ s/\n/\\n/g;' \
885 -e ' print "$$ARGV:$$n:$$v\n";' \
886 -e ' }'
887
888 prohibit_doubled_word_RE_ ?= \
889 /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims
890 prohibit_doubled_word_ = \
891 -e 'while ($(prohibit_doubled_word_RE_))' \
892 $(perl_filename_lineno_text_)
893
894 # Define this to a regular expression that matches
895 # any filename:dd:match lines you want to ignore.
896 # The default is to ignore no matches.
897 ignore_doubled_word_match_RE_ ?= ^$$
898
899 sc_prohibit_doubled_word:
900 @perl -n -0777 $(prohibit_doubled_word_) $$($(VC_LIST_EXCEPT)) \
901 | grep -vE '$(ignore_doubled_word_match_RE_)' \
902 | grep . && { echo '$(ME): doubled words' 1>&2; exit 1; } || :
903
904 # A regular expression matching undesirable combinations of words like
905 # "can not"; this matches them even when the two words appear on different
906 # lines, but not when there is an intervening delimiter like "#" or "*".
907 prohibit_undesirable_word_seq_RE_ ?= \
908 /\bcan\s+not\b/gims
909 prohibit_undesirable_word_seq_ = \
910 -e 'while ($(prohibit_undesirable_word_seq_RE_))' \
911 $(perl_filename_lineno_text_)
912 # Define this to a regular expression that matches
913 # any filename:dd:match lines you want to ignore.
914 # The default is to ignore no matches.
915 ignore_undesirable_word_sequence_RE_ ?= ^$$
916
917 sc_prohibit_undesirable_word_seq:
918 @perl -n -0777 $(prohibit_undesirable_word_seq_) \
919 $$($(VC_LIST_EXCEPT)) \
920 | grep -vE '$(ignore_undesirable_word_sequence_RE_)' | grep . \
921 && { echo '$(ME): undesirable word sequence' >&2; exit 1; } || :
922
923 _ptm1 = use "test C1 && test C2", not "test C1 -''a C2"
924 _ptm2 = use "test C1 || test C2", not "test C1 -''o C2"
925 # Using test's -a and -o operators is not portable.
926 # We prefer test over [, since the latter is spelled [[ in configure.ac.
927 sc_prohibit_test_minus_ao:
928 @prohibit='(\<test| \[+) .+ -[ao] ' \
929 halt='$(_ptm1); $(_ptm2)' \
930 $(_sc_search_regexp)
931
932 # Avoid a test bashism.
933 sc_prohibit_test_double_equal:
934 @prohibit='(\<test| \[+) .+ == ' \
935 containing='#! */bin/[a-z]*sh' \
936 halt='use "test x = x", not "test x =''= x"' \
937 $(_sc_search_regexp)
938
939 # Each program that uses proper_name_utf8 must link with one of the
940 # ICONV libraries. Otherwise, some ICONV library must appear in LDADD.
941 # The perl -0777 invocation below extracts the possibly-multi-line
942 # definition of LDADD from the appropriate Makefile.am and exits 0
943 # when it contains "ICONV".
944 sc_proper_name_utf8_requires_ICONV:
945 @progs=$$(grep -l 'proper_name_utf8 ''("' $$($(VC_LIST_EXCEPT)));\
946 if test "x$$progs" != x; then \
947 fail=0; \
948 for p in $$progs; do \
949 dir=$$(dirname "$$p"); \
950 perl -0777 \
951 -ne 'exit !(/^LDADD =(.+?[^\\]\n)/ms && $$1 =~ /ICONV/)' \
952 $$dir/Makefile.am && continue; \
953 base=$$(basename "$$p" .c); \
954 grep "$${base}_LDADD.*ICONV)" $$dir/Makefile.am > /dev/null \
955 || { fail=1; echo 1>&2 "$(ME): $$p uses proper_name_utf8"; }; \
956 done; \
957 test $$fail = 1 && \
958 { echo 1>&2 '$(ME): the above do not link with any ICONV library'; \
959 exit 1; } || :; \
960 fi
961
962 # Warn about "c0nst struct Foo const foo[]",
963 # but not about "char const *const foo" or "#define const const".
964 sc_redundant_const:
965 @prohibit='\bconst\b[[:space:][:alnum:]]{2,}\bconst\b' \
966 halt='redundant "const" in declarations' \
967 $(_sc_search_regexp)
968
969 sc_const_long_option:
970 @grep '^ *static.*struct option ' $$($(VC_LIST_EXCEPT)) \
971 | grep -Ev 'const struct option|struct option const' && { \
972 echo 1>&2 '$(ME): add "const" to the above declarations'; \
973 exit 1; } || :
974
975 NEWS_hash = \
976 $$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \
977 $(srcdir)/NEWS \
978 | perl -0777 -pe \
979 's/^Copyright.+?Free\sSoftware\sFoundation,\sInc\.\n//ms' \
980 | md5sum - \
981 | sed 's/ .*//')
982
983 # Ensure that we don't accidentally insert an entry into an old NEWS block.
984 sc_immutable_NEWS:
985 @if test -f $(srcdir)/NEWS; then \
986 test "$(NEWS_hash)" = '$(old_NEWS_hash)' && : || \
987 { echo '$(ME): you have modified old NEWS' 1>&2; exit 1; }; \
988 fi
989
990 # Update the hash stored above. Do this after each release and
991 # for any corrections to old entries.
992 update-NEWS-hash: NEWS
993 perl -pi -e 's/^(old_NEWS_hash[ \t]+:?=[ \t]+).*/$${1}'"$(NEWS_hash)/" \
994 $(srcdir)/cfg.mk
995
996 # Ensure that we use only the standard $(VAR) notation,
997 # not @...@ in Makefile.am, now that we can rely on automake
998 # to emit a definition for each substituted variable.
999 # However, there is still one case in which @VAR@ use is not just
1000 # legitimate, but actually required: when augmenting an automake-defined
1001 # variable with a prefix. For example, gettext uses this:
1002 # MAKEINFO = env LANG= LC_MESSAGES= LC_ALL= LANGUAGE= @MAKEINFO@
1003 # otherwise, makeinfo would put German or French (current locale)
1004 # navigation hints in the otherwise-English documentation.
1005 #
1006 # Allow the package to add exceptions via a hook in cfg.mk;
1007 # for example, @PRAGMA_SYSTEM_HEADER@ can be permitted by
1008 # setting this to ' && !/PRAGMA_SYSTEM_HEADER/'.
1009 _makefile_at_at_check_exceptions ?=
1010 sc_makefile_at_at_check:
1011 @perl -ne '/\@[A-Z_0-9]+\@/' \
1012 -e ' && !/([A-Z_0-9]+)\s+=.*\@\1\@$$/' \
1013 -e ''$(_makefile_at_at_check_exceptions) \
1014 -e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}' \
1015 $$($(VC_LIST_EXCEPT) | grep -E '(^|/)(Makefile\.am|[^/]+\.mk)$$') \
1016 && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
1017
1018 news-check: NEWS
1019 if sed -n $(news-check-lines-spec)p $(srcdir)/NEWS \
1020 | grep -E $(news-check-regexp) >/dev/null; then \
1021 :; \
1022 else \
1023 echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2; \
1024 exit 1; \
1025 fi
1026
1027 sc_makefile_TAB_only_indentation:
1028 @prohibit='^ [ ]{8}' \
1029 in_vc_files='akefile|\.mk$$' \
1030 halt='found TAB-8-space indentation' \
1031 $(_sc_search_regexp)
1032
1033 sc_m4_quote_check:
1034 @prohibit='(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]' \
1035 in_vc_files='(^configure\.ac|\.m4)$$' \
1036 halt='quote the first arg to AC_DEF*' \
1037 $(_sc_search_regexp)
1038
1039 fix_po_file_diag = \
1040 'you have changed the set of files with translatable diagnostics;\n\
1041 apply the above patch\n'
1042
1043 # Verify that all source files using _() are listed in po/POTFILES.in.
1044 po_file ?= $(srcdir)/po/POTFILES.in
1045 generated_files ?= $(srcdir)/lib/*.[ch]
1046 sc_po_check:
1047 @if test -f $(po_file); then \
1048 grep -E -v '^(#|$$)' $(po_file) \
1049 | grep -v '^src/false\.c$$' | sort > $@-1; \
1050 files=; \
1051 for file in $$($(VC_LIST_EXCEPT)) $(generated_files); do \
1052 test -r $$file || continue; \
1053 case $$file in \
1054 *.m4|*.mk) continue ;; \
1055 *.?|*.??) ;; \
1056 *) continue;; \
1057 esac; \
1058 case $$file in \
1059 *.[ch]) \
1060 base=`expr " $$file" : ' \(.*\)\..'`; \
1061 { test -f $$base.l || test -f $$base.y; } && continue;; \
1062 esac; \
1063 files="$$files $$file"; \
1064 done; \
1065 grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files \
1066 | sed 's|^$(_dot_escaped_srcdir)/||' | sort -u > $@-2; \
1067 diff -u -L $(po_file) -L $(po_file) $@-1 $@-2 \
1068 || { printf '$(ME): '$(fix_po_file_diag) 1>&2; exit 1; }; \
1069 rm -f $@-1 $@-2; \
1070 fi
1071
1072 # Sometimes it is useful to change the PATH environment variable
1073 # in Makefiles. When doing so, it's better not to use the Unix-centric
1074 # path separator of `:', but rather the automake-provided `$(PATH_SEPARATOR)'.
1075 msg = '$(ME): Do not use `:'\'' above; use $$(PATH_SEPARATOR) instead'
1076 sc_makefile_path_separator_check:
1077 @prohibit='PATH[=].*:' \
1078 in_vc_files='akefile|\.mk$$' \
1079 halt=$(msg) \
1080 $(_sc_search_regexp)
1081
1082 # Check that `make alpha' will not fail at the end of the process,
1083 # i.e., when pkg-M.N.tar.xz already exists (either in "." or in ../release)
1084 # and is read-only.
1085 writable-files:
1086 if test -d $(release_archive_dir); then \
1087 for file in $(DIST_ARCHIVES); do \
1088 for p in ./ $(release_archive_dir)/; do \
1089 test -e $$p$$file || continue; \
1090 test -w $$p$$file \
1091 || { echo ERROR: $$p$$file is not writable; fail=1; }; \
1092 done; \
1093 done; \
1094 test "$$fail" && exit 1 || : ; \
1095 else :; \
1096 fi
1097
1098 v_etc_file = $(gnulib_dir)/lib/version-etc.c
1099 sample-test = tests/sample-test
1100 texi = doc/$(PACKAGE).texi
1101 # Make sure that the copyright date in $(v_etc_file) is up to date.
1102 # Do the same for the $(sample-test) and the main doc/.texi file.
1103 sc_copyright_check:
1104 @require='enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' \
1105 in_files=$(v_etc_file) \
1106 halt='out of date copyright in $(v_etc_file); update it' \
1107 $(_sc_search_regexp)
1108 @require='# Copyright \(C\) '$$(date +%Y)' Free' \
1109 in_vc_files=$(sample-test) \
1110 halt='out of date copyright in $(sample-test); update it' \
1111 $(_sc_search_regexp)
1112 @require='Copyright @copyright\{\} .*'$$(date +%Y)' Free' \
1113 in_vc_files=$(texi) \
1114 halt='out of date copyright in $(texi); update it' \
1115 $(_sc_search_regexp)
1116
1117 # If tests/help-version exists and seems to be new enough, assume that its
1118 # use of init.sh and path_prepend_ is correct, and ensure that every other
1119 # use of init.sh is identical.
1120 # This is useful because help-version cross-checks prog --version
1121 # with $(VERSION), which verifies that its path_prepend_ invocation
1122 # sets PATH correctly. This is an inexpensive way to ensure that
1123 # the other init.sh-using tests also get it right.
1124 _hv_file ?= $(srcdir)/tests/help-version
1125 _hv_regex_weak ?= ^ *\. .*/init\.sh"
1126 # Fix syntax-highlighters "
1127 _hv_regex_strong ?= ^ *\. "\$${srcdir=\.}/init\.sh"
1128 sc_cross_check_PATH_usage_in_tests:
1129 @if test -f $(_hv_file); then \
1130 grep -l 'VERSION mismatch' $(_hv_file) >/dev/null \
1131 || { echo "$@: skipped: no such file: $(_hv_file)" 1>&2; \
1132 exit 0; }; \
1133 grep -lE '$(_hv_regex_strong)' $(_hv_file) >/dev/null \
1134 || { echo "$@: $(_hv_file) lacks conforming use of init.sh" 1>&2; \
1135 exit 1; }; \
1136 good=$$(grep -E '$(_hv_regex_strong)' $(_hv_file)); \
1137 grep -LFx "$$good" \
1138 $$(grep -lE '$(_hv_regex_weak)' $$($(VC_LIST_EXCEPT))) \
1139 | grep . && \
1140 { echo "$(ME): the above files use path_prepend_ inconsistently" \
1141 1>&2; exit 1; } || :; \
1142 fi
1143
1144 # #if HAVE_... will evaluate to false for any non numeric string.
1145 # That would be flagged by using -Wundef, however gnulib currently
1146 # tests many undefined macros, and so we can't enable that option.
1147 # So at least preclude common boolean strings as macro values.
1148 sc_Wundef_boolean:
1149 @prohibit='^#define.*(yes|no|true|false)$$' \
1150 in_files='$(CONFIG_INCLUDE)' \
1151 halt='Use 0 or 1 for macro values' \
1152 $(_sc_search_regexp)
1153
1154 # Even if you use pathmax.h to guarantee that PATH_MAX is defined, it might
1155 # not be constant, or might overflow a stack. In general, use PATH_MAX as
1156 # a limit, not an array or alloca size.
1157 sc_prohibit_path_max_allocation:
1158 @prohibit='(\balloca *\([^)]*|\[[^]]*)PATH_MAX' \
1159 halt='Avoid stack allocations of size PATH_MAX' \
1160 $(_sc_search_regexp)
1161
1162 sc_vulnerable_makefile_CVE-2009-4029:
1163 @prohibit='perm -777 -exec chmod a\+rwx|chmod 777 \$$\(distdir\)' \
1164 in_files=$$(find $(srcdir) -name Makefile.in) \
1165 halt=$$(printf '%s\n' \
1166 'the above files are vulnerable; beware of running' \
1167 ' "make dist*" rules, and upgrade to fixed automake' \
1168 ' see http://bugzilla.redhat.com/542609 for details') \
1169 $(_sc_search_regexp)
1170
1171 vc-diff-check:
1172 (unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || :
1173 if test -s vc-diffs; then \
1174 cat vc-diffs; \
1175 echo "Some files are locally modified:" 1>&2; \
1176 exit 1; \
1177 else \
1178 rm vc-diffs; \
1179 fi
1180
1181 rel-files = $(DIST_ARCHIVES)
1182
1183 gnulib_dir ?= $(srcdir)/gnulib
1184 gnulib-version = $$(cd $(gnulib_dir) && git describe)
1185 bootstrap-tools ?= autoconf,automake,gnulib
1186
1187 # If it's not already specified, derive the GPG key ID from
1188 # the signed tag we've just applied to mark this release.
1189 gpg_key_ID ?= \
1190 $$(git cat-file tag v$(VERSION) > .ann-sig \
1191 && gpgv .ann-sig - < /dev/null 2>&1 \
1192 | sed -n '/.*key ID \([0-9A-F]*\)/s//\1/p'; rm -f .ann-sig)
1193
1194 translation_project_ ?= coordinator@translationproject.org
1195
1196 # Make info-gnu the default only for a stable release.
1197 ifeq ($(RELEASE_TYPE),stable)
1198 announcement_Cc_ ?= $(translation_project_), $(PACKAGE_BUGREPORT)
1199 announcement_mail_headers_ ?= \
1200 To: info-gnu@gnu.org \
1201 Cc: $(announcement_Cc_) \
1202 Mail-Followup-To: $(PACKAGE_BUGREPORT)
1203 else
1204 announcement_Cc_ ?= $(translation_project_)
1205 announcement_mail_headers_ ?= \
1206 To: $(PACKAGE_BUGREPORT) \
1207 Cc: $(announcement_Cc_)
1208 endif
1209
1210 announcement: NEWS ChangeLog $(rel-files)
1211 @$(build_aux)/announce-gen \
1212 --mail-headers='$(announcement_mail_headers_)' \
1213 --release-type=$(RELEASE_TYPE) \
1214 --package=$(PACKAGE) \
1215 --prev=$(PREV_VERSION) \
1216 --curr=$(VERSION) \
1217 --gpg-key-id=$(gpg_key_ID) \
1218 --news=$(srcdir)/NEWS \
1219 --bootstrap-tools=$(bootstrap-tools) \
1220 --gnulib-version=$(gnulib-version) \
1221 --no-print-checksums \
1222 $(addprefix --url-dir=, $(url_dir_list))
1223
1224 ## ---------------- ##
1225 ## Updating files. ##
1226 ## ---------------- ##
1227
1228 ftp-gnu = ftp://ftp.gnu.org/gnu
1229 www-gnu = http://www.gnu.org
1230
1231 upload_dest_dir_ ?= $(PACKAGE)
1232 emit_upload_commands:
1233 @echo =====================================
1234 @echo =====================================
1235 @echo "$(build_aux)/gnupload $(GNUPLOADFLAGS) \\"
1236 @echo " --to $(gnu_rel_host):$(upload_dest_dir_) \\"
1237 @echo " $(rel-files)"
1238 @echo '# send the ~/announce-$(my_distdir) e-mail'
1239 @echo =====================================
1240 @echo =====================================
1241
1242 define emit-commit-log
1243 printf '%s\n' 'maint: post-release administrivia' '' \
1244 '* NEWS: Add header line for next release.' \
1245 '* .prev-version: Record previous version.' \
1246 '* cfg.mk (old_NEWS_hash): Auto-update.'
1247 endef
1248
1249 .PHONY: no-submodule-changes
1250 no-submodule-changes:
1251 if test -d $(srcdir)/.git; then \
1252 diff=$$(cd $(srcdir) && git submodule -q foreach \
1253 git diff-index --name-only HEAD) \
1254 || exit 1; \
1255 case $$diff in '') ;; \
1256 *) echo '$(ME): submodule files are locally modified:'; \
1257 echo "$$diff"; exit 1;; esac; \
1258 else \
1259 : ; \
1260 fi
1261
1262 submodule-checks ?= no-submodule-changes public-submodule-commit
1263
1264 # Ensure that each sub-module commit we're using is public.
1265 # Without this, it is too easy to tag and release code that
1266 # cannot be built from a fresh clone.
1267 .PHONY: public-submodule-commit
1268 public-submodule-commit:
1269 $(AM_V_GEN)if test -d $(srcdir)/.git; then \
1270 cd $(srcdir) && \
1271 git submodule --quiet foreach test '$$(git rev-parse $$sha1)' \
1272 = '$$(git merge-base origin $$sha1)' \
1273 || { echo '$(ME): found non-public submodule commit' >&2; \
1274 exit 1; }; \
1275 else \
1276 : ; \
1277 fi
1278 # This rule has a high enough utility/cost ratio that it should be a
1279 # dependent of "check" by default. However, some of us do occasionally
1280 # commit a temporary change that deliberately points to a non-public
1281 # submodule commit, and want to be able to use rules like "make check".
1282 # In that case, run e.g., "make check gl_public_submodule_commit="
1283 # to disable this test.
1284 gl_public_submodule_commit ?= public-submodule-commit
1285 check: $(gl_public_submodule_commit)
1286
1287 .PHONY: alpha beta stable
1288 ALL_RECURSIVE_TARGETS += alpha beta stable
1289 alpha beta stable: $(local-check) writable-files $(submodule-checks)
1290 test $@ = stable \
1291 && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \
1292 || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\
1293 || :
1294 $(MAKE) vc-diff-check
1295 $(MAKE) news-check
1296 $(MAKE) distcheck
1297 $(MAKE) dist XZ_OPT=-9ev
1298 $(MAKE) $(release-prep-hook) RELEASE_TYPE=$@
1299 $(MAKE) -s emit_upload_commands RELEASE_TYPE=$@
1300
1301 # Override this in cfg.mk if you follow different procedures.
1302 release-prep-hook ?= release-prep
1303
1304 gl_noteworthy_news_ = * Noteworthy changes in release ?.? (????-??-??) [?]
1305 .PHONY: release-prep
1306 release-prep:
1307 case $$RELEASE_TYPE in alpha|beta|stable) ;; \
1308 *) echo "invalid RELEASE_TYPE: $$RELEASE_TYPE" 1>&2; exit 1;; esac
1309 $(MAKE) --no-print-directory -s announcement > ~/announce-$(my_distdir)
1310 if test -d $(release_archive_dir); then \
1311 ln $(rel-files) $(release_archive_dir); \
1312 chmod a-w $(rel-files); \
1313 fi
1314 echo $(VERSION) > $(prev_version_file)
1315 $(MAKE) update-NEWS-hash
1316 perl -pi -e '$$. == 3 and print "$(gl_noteworthy_news_)\n\n\n"' NEWS
1317 $(emit-commit-log) > .ci-msg
1318 $(VC) commit -F .ci-msg -a
1319 rm .ci-msg
1320
1321 # Override this with e.g., -s $(srcdir)/some_other_name.texi
1322 # if the default $(PACKAGE)-derived name doesn't apply.
1323 gendocs_options_ ?=
1324
1325 .PHONY: web-manual
1326 web-manual:
1327 @test -z "$(manual_title)" \
1328 && { echo define manual_title in cfg.mk 1>&2; exit 1; } || :
1329 @cd '$(srcdir)/doc'; \
1330 $(SHELL) ../$(build_aux)/gendocs.sh $(gendocs_options_) \
1331 -o '$(abs_builddir)/doc/manual' \
1332 --email $(PACKAGE_BUGREPORT) $(PACKAGE) \
1333 "$(PACKAGE_NAME) - $(manual_title)"
1334 @echo " *** Upload the doc/manual directory to web-cvs."
1335
1336 # Code Coverage
1337
1338 init-coverage:
1339 $(MAKE) $(AM_MAKEFLAGS) clean
1340 lcov --directory . --zerocounters
1341
1342 COVERAGE_CCOPTS ?= "-g --coverage"
1343 COVERAGE_OUT ?= doc/coverage
1344
1345 build-coverage:
1346 $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS)
1347 $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) check
1348 mkdir -p $(COVERAGE_OUT)
1349 lcov --directory . --output-file $(COVERAGE_OUT)/$(PACKAGE).info \
1350 --capture
1351
1352 gen-coverage:
1353 genhtml --output-directory $(COVERAGE_OUT) \
1354 $(COVERAGE_OUT)/$(PACKAGE).info \
1355 --highlight --frames --legend \
1356 --title "$(PACKAGE_NAME)"
1357
1358 coverage: init-coverage build-coverage gen-coverage
1359
1360 # Update gettext files.
1361 PACKAGE ?= $(shell basename $(PWD))
1362 PO_DOMAIN ?= $(PACKAGE)
1363 POURL = http://translationproject.org/latest/$(PO_DOMAIN)/
1364 PODIR ?= po
1365 refresh-po:
1366 rm -f $(PODIR)/*.po && \
1367 echo "$(ME): getting translations into po (please ignore the robots.txt ERROR 404)..." && \
1368 wget --no-verbose --directory-prefix $(PODIR) --no-directories --recursive --level 1 --accept .po --accept .po.1 $(POURL) && \
1369 echo 'en@boldquot' > $(PODIR)/LINGUAS && \
1370 echo 'en@quot' >> $(PODIR)/LINGUAS && \
1371 ls $(PODIR)/*.po | sed 's/\.po//' | sed 's,$(PODIR)/,,' | sort >> $(PODIR)/LINGUAS
1372
1373 # Running indent once is not idempotent, but running it twice is.
1374 INDENT_SOURCES ?= $(C_SOURCES)
1375 .PHONY: indent
1376 indent:
1377 indent $(INDENT_SOURCES)
1378 indent $(INDENT_SOURCES)
1379
1380 # If you want to set UPDATE_COPYRIGHT_* environment variables,
1381 # put the assignments in this variable.
1382 update-copyright-env ?=
1383
1384 # Run this rule once per year (usually early in January)
1385 # to update all FSF copyright year lists in your project.
1386 # If you have an additional project-specific rule,
1387 # add it in cfg.mk along with a line 'update-copyright: prereq'.
1388 # By default, exclude all variants of COPYING; you can also
1389 # add exemptions (such as ChangeLog..* for rotated change logs)
1390 # in the file .x-update-copyright.
1391 .PHONY: update-copyright
1392 update-copyright:
1393 grep -l -w Copyright \
1394 $$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \
1395 | $(update-copyright-env) xargs $(build_aux)/$@
1396
1397 # This tight_scope test is skipped with a warning if $(_gl_TS_headers) is not
1398 # overridden and $(_gl_TS_dir)/Makefile.am does not mention noinst_HEADERS.
1399
1400 # NOTE: to override any _gl_TS_* default value, you must
1401 # define the variable(s) using "export" in cfg.mk.
1402 _gl_TS_dir ?= src
1403
1404 ALL_RECURSIVE_TARGETS += sc_tight_scope
1405 sc_tight_scope: tight-scope.mk
1406 @fail=0; \
1407 if ! grep '^ *export _gl_TS_headers *=' $(srcdir)/cfg.mk \
1408 > /dev/null \
1409 && ! grep -w noinst_HEADERS $(srcdir)/$(_gl_TS_dir)/Makefile.am \
1410 > /dev/null 2>&1; then \
1411 echo '$(ME): skipping $@'; \
1412 else \
1413 $(MAKE) -s -C $(_gl_TS_dir) \
1414 -f Makefile \
1415 -f $(abs_top_srcdir)/cfg.mk \
1416 -f $(abs_top_builddir)/$< \
1417 _gl_tight_scope \
1418 || fail=1; \
1419 fi; \
1420 rm -f $<; \
1421 exit $$fail
1422
1423 tight-scope.mk: $(ME)
1424 @rm -f $@ $@-t
1425 @perl -ne '/^# TS-start/.../^# TS-end/ and print' $(ME) > $@-t
1426 @chmod a=r $@-t && mv $@-t $@
1427
1428 ifeq (a,b)
1429 # TS-start
1430
1431 # Most functions should have static scope.
1432 # Any that don't must be marked with `extern', but `main'
1433 # and `usage' are exceptions: they're always extern, but
1434 # do not need to be marked. Symbols matching `__.*' are
1435 # reserved by the compiler, so are automatically excluded below.
1436 _gl_TS_unmarked_extern_functions ?= main usage
1437 _gl_TS_function_match ?= /^(?:$(_gl_TS_extern)) +.*?(\S+) *\(/
1438
1439 # If your project uses a macro like "XTERN", then put
1440 # the following in cfg.mk to override this default:
1441 # export _gl_TS_extern = extern|XTERN
1442 _gl_TS_extern ?= extern
1443
1444 # The second nm|grep checks for file-scope variables with `extern' scope.
1445 # Without gnulib's progname module, you might put program_name here.
1446 # Symbols matching `__.*' are reserved by the compiler,
1447 # so are automatically excluded below.
1448 _gl_TS_unmarked_extern_vars ?=
1449
1450 # NOTE: the _match variables are perl expressions -- not mere regular
1451 # expressions -- so that you can extend them to match other patterns
1452 # and easily extract matched variable names.
1453 # For example, if your project declares some global variables via
1454 # a macro like this: GLOBAL(type, var_name, initializer), then you
1455 # can override this definition to automatically extract those names:
1456 # export _gl_TS_var_match = \
1457 # /^(?:$(_gl_TS_extern)) .*?\**(\w+)(\[.*?\])?;/ || /\bGLOBAL\(.*?,\s*(.*?),/
1458 _gl_TS_var_match ?= /^(?:$(_gl_TS_extern)) .*?(\w+)(\[.*?\])?;/
1459
1460 # The names of object files in (or relative to) $(_gl_TS_dir).
1461 _gl_TS_obj_files ?= *.$(OBJEXT)
1462
1463 # Files in which to search for the one-line style extern declarations.
1464 # $(_gl_TS_dir)-relative.
1465 _gl_TS_headers ?= $(noinst_HEADERS)
1466
1467 .PHONY: _gl_tight_scope
1468 _gl_tight_scope: $(bin_PROGRAMS)
1469 t=exceptions-$$$$; \
1470 trap 's=$$?; rm -f $$t; exit $$s' 0; \
1471 for sig in 1 2 3 13 15; do \
1472 eval "trap 'v=`expr $$sig + 128`; (exit $$v); exit $$v' $$sig"; \
1473 done; \
1474 src=`for f in $(SOURCES); do \
1475 test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
1476 hdr=`for f in $(_gl_TS_headers); do \
1477 test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
1478 ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_functions); \
1479 grep -h -A1 '^extern .*[^;]$$' $$src \
1480 | grep -vE '^(extern |--)' | sed 's/ .*//'; \
1481 perl -lne \
1482 '$(_gl_TS_function_match) and print "^$$1\$$"' $$hdr; \
1483 ) | sort -u > $$t; \
1484 nm -e $(_gl_TS_obj_files) | sed -n 's/.* T //p'|grep -Ev -f $$t \
1485 && { echo the above functions should have static scope >&2; \
1486 exit 1; } || : ; \
1487 ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_vars); \
1488 perl -lne '$(_gl_TS_var_match) and print "^$$1\$$"' $$hdr *.h \
1489 ) | sort -u > $$t; \
1490 nm -e $(_gl_TS_obj_files) | sed -n 's/.* [BCDGRS] //p' \
1491 | sort -u | grep -Ev -f $$t \
1492 && { echo the above variables should have static scope >&2; \
1493 exit 1; } || :
1494 # TS-end
1495 endif
Unnamed repository; edit this file 'description' to name the repository.