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c84bdaf6 LC |
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 | ||
61cd9dc9 | 5 | ## Copyright (C) 2001-2010 Free Software Foundation, Inc. |
c84bdaf6 LC |
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 := \ | |
a927b6c1 LC |
30 | $(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null \ |
31 | && printf %s --rsyncable) | |
c84bdaf6 LC |
32 | GZIP_ENV = '--no-name --best $(gzip_rsyncable)' |
33 | ||
c84bdaf6 LC |
34 | GIT = git |
35 | VC = $(GIT) | |
36 | VC-tag = git tag -s -m '$(VERSION)' -u '$(gpg_key_ID)' | |
37 | ||
38 | VC_LIST = $(build_aux)/vc-list-files -C $(srcdir) | |
39 | ||
61cd9dc9 LC |
40 | # You can override this variable in cfg.mk to set your own regexp |
41 | # matching files to ignore. | |
42 | VC_LIST_ALWAYS_EXCLUDE_REGEX ?= ^$$ | |
43 | ||
44 | # This is to preprocess robustly the output of $(VC_LIST), so that even | |
45 | # when $(srcdir) is a pathological name like "....", the leading sed command | |
46 | # removes only the intended prefix. | |
47 | _dot_escaped_srcdir = $(subst .,\.,$(srcdir)) | |
48 | ||
49 | # Post-process $(VC_LIST) output, prepending $(srcdir)/, but only | |
50 | # when $(srcdir) is not ".". | |
51 | ifeq ($(srcdir),.) | |
52 | _prepend_srcdir_prefix = | |
53 | else | |
54 | _prepend_srcdir_prefix = | sed 's|^|$(srcdir)/|' | |
55 | endif | |
56 | ||
57 | # In order to be able to consistently filter "."-relative names, | |
58 | # (i.e., with no $(srcdir) prefix), this definition is careful to | |
59 | # remove any $(srcdir) prefix, and to restore what it removes. | |
c84bdaf6 | 60 | VC_LIST_EXCEPT = \ |
61cd9dc9 LC |
61 | $(VC_LIST) | sed 's|^$(_dot_escaped_srcdir)/||' \ |
62 | | if test -f $(srcdir)/.x-$@; then grep -vEf $(srcdir)/.x-$@; \ | |
63 | else grep -Ev -e "$${VC_LIST_EXCEPT_DEFAULT-ChangeLog}"; fi \ | |
64 | | grep -Ev -e '$(VC_LIST_ALWAYS_EXCLUDE_REGEX)' \ | |
65 | $(_prepend_srcdir_prefix) | |
c84bdaf6 LC |
66 | |
67 | ifeq ($(origin prev_version_file), undefined) | |
68 | prev_version_file = $(srcdir)/.prev-version | |
69 | endif | |
70 | ||
71 | PREV_VERSION := $(shell cat $(prev_version_file) 2>/dev/null) | |
72 | VERSION_REGEXP = $(subst .,\.,$(VERSION)) | |
73 | PREV_VERSION_REGEXP = $(subst .,\.,$(PREV_VERSION)) | |
74 | ||
75 | ifeq ($(VC),$(GIT)) | |
76 | this-vc-tag = v$(VERSION) | |
77 | this-vc-tag-regexp = v$(VERSION_REGEXP) | |
78 | else | |
79 | tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]') | |
80 | tag-this-version = $(subst .,_,$(VERSION)) | |
81 | this-vc-tag = $(tag-package)-$(tag-this-version) | |
82 | this-vc-tag-regexp = $(this-vc-tag) | |
83 | endif | |
84 | my_distdir = $(PACKAGE)-$(VERSION) | |
85 | ||
86 | # Old releases are stored here. | |
87 | release_archive_dir ?= ../release | |
88 | ||
414e4441 LC |
89 | # Override gnu_rel_host and url_dir_list in cfg.mk if these are not right. |
90 | # Use alpha.gnu.org for alpha and beta releases. | |
91 | # Use ftp.gnu.org for stable releases. | |
92 | gnu_ftp_host-alpha = alpha.gnu.org | |
93 | gnu_ftp_host-beta = alpha.gnu.org | |
94 | gnu_ftp_host-stable = ftp.gnu.org | |
95 | gnu_rel_host ?= $(gnu_ftp_host-$(RELEASE_TYPE)) | |
96 | ||
97 | ifeq ($(gnu_rel_host),ftp.gnu.org) | |
98 | url_dir_list ?= http://ftpmirror.gnu.org/$(PACKAGE) | |
99 | else | |
100 | url_dir_list ?= ftp://$(gnu_rel_host)/gnu/$(PACKAGE) | |
101 | endif | |
102 | ||
1cd4fffc LC |
103 | # Override this in cfg.mk if you are using a different format in your |
104 | # NEWS file. | |
105 | today = $(shell date +%Y-%m-%d) | |
9157d901 LC |
106 | |
107 | # Select which lines of NEWS are searched for $(news-check-regexp). | |
108 | # This is a sed line number spec. The default says that we search | |
109 | # lines 1..10 of NEWS for $(news-check-regexp). | |
110 | # If you want to search only line 3 or only lines 20-22, use "3" or "20,22". | |
111 | news-check-lines-spec ?= 1,10 | |
1cd4fffc LC |
112 | news-check-regexp ?= '^\*.* $(VERSION_REGEXP) \($(today)\)' |
113 | ||
c84bdaf6 LC |
114 | # Prevent programs like 'sort' from considering distinct strings to be equal. |
115 | # Doing it here saves us from having to set LC_ALL elsewhere in this file. | |
116 | export LC_ALL = C | |
117 | ||
118 | ## --------------- ## | |
119 | ## Sanity checks. ## | |
120 | ## --------------- ## | |
121 | ||
122 | _cfg_mk := $(shell test -f $(srcdir)/cfg.mk && echo '$(srcdir)/cfg.mk') | |
123 | ||
124 | # Collect the names of rules starting with `sc_'. | |
125 | syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \ | |
126 | $(srcdir)/$(ME) $(_cfg_mk))) | |
127 | .PHONY: $(syntax-check-rules) | |
128 | ||
129 | local-checks-available = \ | |
130 | $(syntax-check-rules) | |
131 | .PHONY: $(local-checks-available) | |
132 | ||
133 | # Arrange to print the name of each syntax-checking rule just before running it. | |
134 | $(syntax-check-rules): %: %.m | |
dde9c5a4 LC |
135 | sc_m_rules_ = $(patsubst %, %.m, $(syntax-check-rules)) |
136 | .PHONY: $(sc_m_rules_) | |
137 | $(sc_m_rules_): | |
c84bdaf6 | 138 | @echo $(patsubst sc_%.m, %, $@) |
a927b6c1 LC |
139 | @date +%s.%N > .sc-start-$(basename $@) |
140 | ||
141 | # Compute and print the elapsed time for each syntax-check rule. | |
142 | sc_z_rules_ = $(patsubst %, %.z, $(syntax-check-rules)) | |
143 | .PHONY: $(sc_z_rules_) | |
144 | $(sc_z_rules_): %.z: % | |
145 | @end=$$(date +%s.%N); \ | |
146 | start=$$(cat .sc-start-$*); \ | |
147 | rm -f .sc-start-$*; \ | |
148 | awk -v s=$$start -v e=$$end \ | |
149 | 'END {printf "%.2f $(patsubst sc_%,%,$*)\n", e - s}' < /dev/null | |
150 | ||
151 | # The patsubst here is to replace each sc_% rule with its sc_%.z wrapper | |
152 | # that computes and prints elapsed time. | |
153 | local-check := \ | |
154 | $(patsubst sc_%, sc_%.z, \ | |
155 | $(filter-out $(local-checks-to-skip), $(local-checks-available))) | |
c84bdaf6 LC |
156 | |
157 | syntax-check: $(local-check) | |
a927b6c1 LC |
158 | |
159 | # _sc_search_regexp | |
160 | # | |
161 | # This macro searches for a given construct in the selected files and | |
162 | # then takes some action. | |
163 | # | |
164 | # Parameters (shell variables): | |
165 | # | |
166 | # prohibit | require | |
167 | # | |
168 | # Regular expression (ERE) denoting either a forbidden construct | |
169 | # or a required construct. Those arguments are exclusive. | |
170 | # | |
171 | # in_vc_files | in_files | |
172 | # | |
173 | # grep-E-style regexp denoting the files to check. If no files | |
174 | # are specified the default are all the files that are under | |
175 | # version control. | |
176 | # | |
177 | # containing | non_containing | |
178 | # | |
179 | # Select the files (non) containing strings matching this regexp. | |
180 | # If both arguments are specified then CONTAINING takes | |
181 | # precedence. | |
182 | # | |
183 | # with_grep_options | |
184 | # | |
185 | # Extra options for grep. | |
186 | # | |
187 | # ignore_case | |
188 | # | |
189 | # Ignore case. | |
190 | # | |
191 | # halt | |
192 | # | |
193 | # Message to display before to halting execution. | |
194 | ||
195 | # By default, _sc_search_regexp does not ignore case. | |
c84bdaf6 | 196 | export ignore_case = |
a927b6c1 | 197 | _ignore_case = $$(test -n "$$ignore_case" && printf %s -i || :) |
c84bdaf6 | 198 | |
a927b6c1 LC |
199 | define _sc_say_and_exit |
200 | dummy=; : so we do not need a semicolon before each use; \ | |
201 | { printf '%s\n' "$(ME): $$msg" 1>&2; exit 1; }; | |
202 | endef | |
203 | ||
204 | # _sc_search_regexp used to be named _prohibit_regexp. However, | |
205 | # upgrading to the new definition and leaving the old name undefined | |
206 | # would usually convert each custom rule using $(_prohibit_regexp) | |
207 | # (usually defined in cfg.mk) into a no-op. This definition ensures | |
208 | # that people know right away if they're still using the old name. | |
209 | # FIXME: remove in 2012. | |
210 | _prohibit_regexp = \ | |
211 | $(error '*** you need to s/_prohibit_regexp/_sc_search_regexp/, and adapt') | |
212 | ||
213 | define _sc_search_regexp | |
214 | dummy=; : so we do not need a semicolon before each use; \ | |
215 | \ | |
216 | : Check arguments; \ | |
217 | test -n "$$prohibit" && test -n "$$require" \ | |
218 | && { msg='Cannot specify both prohibit and require' \ | |
219 | $(_sc_say_and_exit) } || :; \ | |
220 | test -z "$$prohibit" && test -z "$$require" \ | |
221 | && { msg='Should specify either prohibit or require' \ | |
222 | $(_sc_say_and_exit) } || :; \ | |
223 | test -n "$$in_vc_files" && test -n "$$in_files" \ | |
224 | && { msg='Cannot specify both in_vc_files and in_files' \ | |
225 | $(_sc_say_and_exit) } || :; \ | |
226 | test "x$$halt" != x \ | |
227 | || { msg='halt not defined' $(_sc_say_and_exit) }; \ | |
228 | \ | |
229 | : Filter by file name; \ | |
230 | if test -n "$$in_files"; then \ | |
231 | files=$$(find $(srcdir) | grep -E "$$in_files"); \ | |
232 | else \ | |
233 | files=$$($(VC_LIST_EXCEPT)); \ | |
234 | if test -n "$$in_vc_files"; then \ | |
235 | files=$$(echo "$$files" | grep -E "$$in_vc_files"); \ | |
236 | fi; \ | |
237 | fi; \ | |
238 | \ | |
239 | : Filter by content; \ | |
240 | test -n "$$files" && test -n "$$containing" \ | |
241 | && { files=$$(grep -l "$$containing" $$files); } || :; \ | |
242 | test -n "$$files" && test -n "$$non_containing" \ | |
243 | && { files=$$(grep -vl "$$non_containing" $$files); } || :; \ | |
244 | \ | |
245 | : Check for the construct; \ | |
246 | if test -n "$$files"; then \ | |
247 | if test -n "$$prohibit"; then \ | |
248 | grep $$with_grep_options $(_ignore_case) -nE "$$prohibit" $$files \ | |
249 | && { msg="$$halt" $(_sc_say_and_exit) } || :; \ | |
250 | else \ | |
251 | grep $$with_grep_options $(_ignore_case) -LE "$$require" $$files \ | |
252 | | grep . \ | |
253 | && { msg="$$halt" $(_sc_say_and_exit) } || :; \ | |
254 | fi \ | |
255 | else :; \ | |
256 | fi || :; | |
c84bdaf6 LC |
257 | endef |
258 | ||
259 | sc_avoid_if_before_free: | |
260 | @$(build_aux)/useless-if-before-free \ | |
261 | $(useless_free_options) \ | |
262 | $$($(VC_LIST_EXCEPT) | grep -v useless-if-before-free) && \ | |
263 | { echo '$(ME): found useless "if" before "free" above' 1>&2; \ | |
264 | exit 1; } || : | |
265 | ||
266 | sc_cast_of_argument_to_free: | |
a927b6c1 LC |
267 | @prohibit='\<free *\( *\(' halt='don'\''t cast free argument' \ |
268 | $(_sc_search_regexp) | |
c84bdaf6 LC |
269 | |
270 | sc_cast_of_x_alloc_return_value: | |
a927b6c1 LC |
271 | @prohibit='\*\) *x(m|c|re)alloc\>' \ |
272 | halt='don'\''t cast x*alloc return value' \ | |
273 | $(_sc_search_regexp) | |
c84bdaf6 LC |
274 | |
275 | sc_cast_of_alloca_return_value: | |
a927b6c1 LC |
276 | @prohibit='\*\) *alloca\>' \ |
277 | halt='don'\''t cast alloca return value' \ | |
278 | $(_sc_search_regexp) | |
c84bdaf6 LC |
279 | |
280 | sc_space_tab: | |
a927b6c1 LC |
281 | @prohibit='[ ] ' \ |
282 | halt='found SPACE-TAB sequence; remove the SPACE' \ | |
283 | $(_sc_search_regexp) | |
c84bdaf6 LC |
284 | |
285 | # Don't use *scanf or the old ato* functions in `real' code. | |
286 | # They provide no error checking mechanism. | |
287 | # Instead, use strto* functions. | |
288 | sc_prohibit_atoi_atof: | |
a927b6c1 LC |
289 | @prohibit='\<([fs]?scanf|ato([filq]|ll)) *\(' \ |
290 | halt='do not use *scan''f, ato''f, ato''i, ato''l, ato''ll or ato''q' \ | |
291 | $(_sc_search_regexp) | |
c84bdaf6 LC |
292 | |
293 | # Use STREQ rather than comparing strcmp == 0, or != 0. | |
294 | sc_prohibit_strcmp: | |
295 | @grep -nE '! *str''cmp *\(|\<str''cmp *\([^)]+\) *==' \ | |
296 | $$($(VC_LIST_EXCEPT)) \ | |
297 | | grep -vE ':# *define STREQ\(' && \ | |
298 | { echo '$(ME): use STREQ in place of the above uses of str''cmp' \ | |
299 | 1>&2; exit 1; } || : | |
300 | ||
301 | # Pass EXIT_*, not number, to usage, exit, and error (when exiting) | |
414e4441 LC |
302 | # Convert all uses automatically, via these two commands: |
303 | # git grep -l '\<exit *(1)' \ | |
304 | # | grep -vEf .x-sc_prohibit_magic_number_exit \ | |
305 | # | xargs --no-run-if-empty \ | |
306 | # perl -pi -e 's/(^|[^.])\b(exit ?)\(1\)/$1$2(EXIT_FAILURE)/' | |
307 | # git grep -l '\<exit *(0)' \ | |
308 | # | grep -vEf .x-sc_prohibit_magic_number_exit \ | |
309 | # | xargs --no-run-if-empty \ | |
310 | # perl -pi -e 's/(^|[^.])\b(exit ?)\(0\)/$1$2(EXIT_SUCCESS)/' | |
c84bdaf6 | 311 | sc_prohibit_magic_number_exit: |
a927b6c1 LC |
312 | @prohibit='(^|[^.])\<(usage|exit) ?\([0-9]|\<error ?\([1-9][0-9]*,' \ |
313 | halt='use EXIT_* values rather than magic number' \ | |
314 | $(_sc_search_regexp) | |
c84bdaf6 LC |
315 | |
316 | # Using EXIT_SUCCESS as the first argument to error is misleading, | |
317 | # since when that parameter is 0, error does not exit. Use `0' instead. | |
318 | sc_error_exit_success: | |
a927b6c1 LC |
319 | @prohibit='error *\(EXIT_SUCCESS,' \ |
320 | in_vc_files='\.[chly]$$' \ | |
321 | halt='found error (EXIT_SUCCESS' \ | |
322 | $(_sc_search_regexp) | |
c84bdaf6 LC |
323 | |
324 | # `FATAL:' should be fully upper-cased in error messages | |
325 | # `WARNING:' should be fully upper-cased, or fully lower-cased | |
326 | sc_error_message_warn_fatal: | |
a927b6c1 | 327 | @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ |
c84bdaf6 LC |
328 | | grep -E '"Warning|"Fatal|"fatal' && \ |
329 | { echo '$(ME): use FATAL, WARNING or warning' 1>&2; \ | |
330 | exit 1; } || : | |
331 | ||
332 | # Error messages should not start with a capital letter | |
333 | sc_error_message_uppercase: | |
a927b6c1 | 334 | @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ |
c84bdaf6 LC |
335 | | grep -E '"[A-Z]' \ |
336 | | grep -vE '"FATAL|"WARNING|"Java|"C#|PRIuMAX' && \ | |
337 | { echo '$(ME): found capitalized error message' 1>&2; \ | |
338 | exit 1; } || : | |
339 | ||
340 | # Error messages should not end with a period | |
341 | sc_error_message_period: | |
a927b6c1 | 342 | @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ |
c84bdaf6 LC |
343 | | grep -E '[^."]\."' && \ |
344 | { echo '$(ME): found error message ending in period' 1>&2; \ | |
345 | exit 1; } || : | |
346 | ||
347 | sc_file_system: | |
a927b6c1 LC |
348 | @prohibit=file''system \ |
349 | ignore_case=1 \ | |
350 | halt='found use of "file''system"; spell it "file system"' \ | |
351 | $(_sc_search_regexp) | |
c84bdaf6 LC |
352 | |
353 | # Don't use cpp tests of this symbol. All code assumes config.h is included. | |
354 | sc_prohibit_have_config_h: | |
a927b6c1 LC |
355 | @prohibit='^# *if.*HAVE''_CONFIG_H' \ |
356 | halt='found use of HAVE''_CONFIG_H; remove' \ | |
357 | $(_sc_search_regexp) | |
c84bdaf6 LC |
358 | |
359 | # Nearly all .c files must include <config.h>. However, we also permit this | |
360 | # via inclusion of a package-specific header, if cfg.mk specified one. | |
361 | # config_h_header must be suitable for grep -E. | |
362 | config_h_header ?= <config\.h> | |
363 | sc_require_config_h: | |
a927b6c1 LC |
364 | @require='^# *include $(config_h_header)' \ |
365 | in_vc_files='\.c$$' \ | |
366 | halt='the above files do not include <config.h>' \ | |
367 | $(_sc_search_regexp) | |
c84bdaf6 LC |
368 | |
369 | # You must include <config.h> before including any other header file. | |
370 | # This can possibly be via a package-specific header, if given by cfg.mk. | |
371 | sc_require_config_h_first: | |
372 | @if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \ | |
373 | fail=0; \ | |
374 | for i in $$($(VC_LIST_EXCEPT) | grep '\.c$$'); do \ | |
375 | grep '^# *include\>' $$i | sed 1q \ | |
376 | | grep -E '^# *include $(config_h_header)' > /dev/null \ | |
377 | || { echo $$i; fail=1; }; \ | |
378 | done; \ | |
379 | test $$fail = 1 && \ | |
380 | { echo '$(ME): the above files include some other header' \ | |
381 | 'before <config.h>' 1>&2; exit 1; } || :; \ | |
382 | else :; \ | |
383 | fi | |
384 | ||
385 | sc_prohibit_HAVE_MBRTOWC: | |
a927b6c1 LC |
386 | @prohibit='\bHAVE_MBRTOWC\b' \ |
387 | halt="do not use $$prohibit; it is always defined" \ | |
388 | $(_sc_search_regexp) | |
c84bdaf6 LC |
389 | |
390 | # To use this "command" macro, you must first define two shell variables: | |
391 | # h: the header, enclosed in <> or "" | |
392 | # re: a regular expression that matches IFF something provided by $h is used. | |
a927b6c1 | 393 | define _sc_header_without_use |
c84bdaf6 LC |
394 | dummy=; : so we do not need a semicolon before each use; \ |
395 | h_esc=`echo "$$h"|sed 's/\./\\\\./g'`; \ | |
396 | if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \ | |
397 | files=$$(grep -l '^# *include '"$$h_esc" \ | |
398 | $$($(VC_LIST_EXCEPT) | grep '\.c$$')) && \ | |
399 | grep -LE "$$re" $$files | grep . && \ | |
400 | { echo "$(ME): the above files include $$h but don't use it" \ | |
401 | 1>&2; exit 1; } || :; \ | |
402 | else :; \ | |
403 | fi | |
404 | endef | |
405 | ||
406 | # Prohibit the inclusion of assert.h without an actual use of assert. | |
407 | sc_prohibit_assert_without_use: | |
a927b6c1 | 408 | @h='<assert.h>' re='\<assert *\(' $(_sc_header_without_use) |
c84bdaf6 LC |
409 | |
410 | # Prohibit the inclusion of close-stream.h without an actual use. | |
411 | sc_prohibit_close_stream_without_use: | |
a927b6c1 | 412 | @h='"close-stream.h"' re='\<close_stream *\(' $(_sc_header_without_use) |
c84bdaf6 LC |
413 | |
414 | # Prohibit the inclusion of getopt.h without an actual use. | |
415 | sc_prohibit_getopt_without_use: | |
a927b6c1 | 416 | @h='<getopt.h>' re='\<getopt(_long)? *\(' $(_sc_header_without_use) |
c84bdaf6 LC |
417 | |
418 | # Don't include quotearg.h unless you use one of its functions. | |
419 | sc_prohibit_quotearg_without_use: | |
a927b6c1 | 420 | @h='"quotearg.h"' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use) |
c84bdaf6 LC |
421 | |
422 | # Don't include quote.h unless you use one of its functions. | |
423 | sc_prohibit_quote_without_use: | |
a927b6c1 | 424 | @h='"quote.h"' re='\<quote(_n)? *\(' $(_sc_header_without_use) |
c84bdaf6 LC |
425 | |
426 | # Don't include this header unless you use one of its functions. | |
427 | sc_prohibit_long_options_without_use: | |
428 | @h='"long-options.h"' re='\<parse_long_options *\(' \ | |
a927b6c1 | 429 | $(_sc_header_without_use) |
c84bdaf6 LC |
430 | |
431 | # Don't include this header unless you use one of its functions. | |
432 | sc_prohibit_inttostr_without_use: | |
433 | @h='"inttostr.h"' re='\<(off|[iu]max|uint)tostr *\(' \ | |
a927b6c1 | 434 | $(_sc_header_without_use) |
c84bdaf6 | 435 | |
61cd9dc9 LC |
436 | # Don't include this header unless you use one of its functions. |
437 | sc_prohibit_ignore_value_without_use: | |
438 | @h='"ignore-value.h"' re='\<ignore_(value|ptr) *\(' \ | |
a927b6c1 | 439 | $(_sc_header_without_use) |
61cd9dc9 | 440 | |
c84bdaf6 LC |
441 | # Don't include this header unless you use one of its functions. |
442 | sc_prohibit_error_without_use: | |
443 | @h='"error.h"' \ | |
444 | re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\ | |
a927b6c1 | 445 | $(_sc_header_without_use) |
c84bdaf6 LC |
446 | |
447 | # Don't include xalloc.h unless you use one of its functions. | |
448 | # Consider these symbols: | |
449 | # perl -lne '/^# *define (\w+)\(/ and print $1' lib/xalloc.h|grep -v '^__'; | |
a927b6c1 | 450 | # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/xalloc.h |
c84bdaf6 LC |
451 | # Divide into two sets on case, and filter each through this: |
452 | # | sort | perl -MRegexp::Assemble -le \ | |
453 | # 'print Regexp::Assemble->new(file => "/dev/stdin")->as_string'|sed 's/\?://g' | |
454 | # Note this was produced by the above: | |
61cd9dc9 LC |
455 | # _xa1 = \ |
456 | #x(((2n?)?re|c(har)?|n(re|m)|z)alloc|alloc_(oversized|die)|m(alloc|emdup)|strdup) | |
457 | # But we can do better, in at least two ways: | |
458 | # 1) take advantage of two "dup"-suffixed strings: | |
459 | # x(((2n?)?re|c(har)?|n(re|m)|[mz])alloc|alloc_(oversized|die)|(mem|str)dup) | |
460 | # 2) notice that "c(har)?|[mz]" is equivalent to the shorter and more readable | |
461 | # "char|[cmz]" | |
462 | # x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup) | |
463 | _xa1 = x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup) | |
c84bdaf6 LC |
464 | _xa2 = X([CZ]|N?M)ALLOC |
465 | sc_prohibit_xalloc_without_use: | |
466 | @h='"xalloc.h"' \ | |
467 | re='\<($(_xa1)|$(_xa2)) *\('\ | |
a927b6c1 | 468 | $(_sc_header_without_use) |
c84bdaf6 | 469 | |
dde9c5a4 | 470 | # Extract function names: |
a927b6c1 | 471 | # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/hash.h |
dde9c5a4 LC |
472 | _hash_re = \ |
473 | clear|delete|free|get_(first|next)|insert|lookup|print_statistics|reset_tuning | |
474 | _hash_fn = \<($(_hash_re)) *\( | |
475 | _hash_struct = (struct )?\<[Hh]ash_(table|tuning)\> | |
476 | sc_prohibit_hash_without_use: | |
477 | @h='"hash.h"' \ | |
478 | re='$(_hash_fn)|$(_hash_struct)'\ | |
a927b6c1 | 479 | $(_sc_header_without_use) |
dde9c5a4 LC |
480 | |
481 | sc_prohibit_hash_pjw_without_use: | |
482 | @h='"hash-pjw.h"' \ | |
483 | re='\<hash_pjw *\(' \ | |
a927b6c1 | 484 | $(_sc_header_without_use) |
dde9c5a4 | 485 | |
c84bdaf6 LC |
486 | sc_prohibit_safe_read_without_use: |
487 | @h='"safe-read.h"' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \ | |
a927b6c1 | 488 | $(_sc_header_without_use) |
c84bdaf6 LC |
489 | |
490 | sc_prohibit_argmatch_without_use: | |
491 | @h='"argmatch.h"' \ | |
492 | re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<argmatch(_exit_fn|_(in)?valid) *\()' \ | |
a927b6c1 | 493 | $(_sc_header_without_use) |
c84bdaf6 LC |
494 | |
495 | sc_prohibit_canonicalize_without_use: | |
496 | @h='"canonicalize.h"' \ | |
497 | re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode)' \ | |
a927b6c1 | 498 | $(_sc_header_without_use) |
c84bdaf6 LC |
499 | |
500 | sc_prohibit_root_dev_ino_without_use: | |
501 | @h='"root-dev-ino.h"' \ | |
502 | re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \ | |
a927b6c1 | 503 | $(_sc_header_without_use) |
c84bdaf6 LC |
504 | |
505 | sc_prohibit_openat_without_use: | |
506 | @h='"openat.h"' \ | |
507 | re='\<(openat_(permissive|needs_fchdir|(save|restore)_fail)|l?(stat|ch(own|mod))at|(euid)?accessat)\>' \ | |
a927b6c1 | 508 | $(_sc_header_without_use) |
c84bdaf6 LC |
509 | |
510 | # Prohibit the inclusion of c-ctype.h without an actual use. | |
511 | ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\ | |
512 | |isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper | |
513 | sc_prohibit_c_ctype_without_use: | |
a927b6c1 LC |
514 | @h='[<"]c-ctype.h[">]' re='\<c_($(ctype_re)) *\(' \ |
515 | $(_sc_header_without_use) | |
c84bdaf6 LC |
516 | |
517 | _empty = | |
518 | _sp = $(_empty) $(_empty) | |
519 | # The following list was generated by running: | |
520 | # man signal.h|col -b|perl -ne '/bsd_signal.*;/.../sigwaitinfo.*;/ and print' \ | |
521 | # | perl -lne '/^\s+(?:int|void).*?(\w+).*/ and print $1' | fmt | |
522 | _sig_functions = \ | |
523 | bsd_signal kill killpg pthread_kill pthread_sigmask raise sigaction \ | |
524 | sigaddset sigaltstack sigdelset sigemptyset sigfillset sighold sigignore \ | |
525 | siginterrupt sigismember signal sigpause sigpending sigprocmask sigqueue \ | |
526 | sigrelse sigset sigsuspend sigtimedwait sigwait sigwaitinfo | |
527 | _sig_function_re = $(subst $(_sp),|,$(strip $(_sig_functions))) | |
528 | # The following were extracted from "man signal.h" manually. | |
529 | _sig_types_and_consts = \ | |
530 | MINSIGSTKSZ SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK \ | |
531 | SA_RESETHAND SA_RESTART SA_SIGINFO SIGEV_NONE SIGEV_SIGNAL \ | |
532 | SIGEV_THREAD SIGSTKSZ SIG_BLOCK SIG_SETMASK SIG_UNBLOCK SS_DISABLE \ | |
533 | SS_ONSTACK mcontext_t pid_t sig_atomic_t sigevent siginfo_t sigset_t \ | |
534 | sigstack sigval stack_t ucontext_t | |
535 | # generated via this: | |
536 | # perl -lne '/^#ifdef (SIG\w+)/ and print $1' lib/sig2str.c|sort -u|fmt -70 | |
537 | _sig_names = \ | |
538 | SIGABRT SIGALRM SIGALRM1 SIGBUS SIGCANCEL SIGCHLD SIGCLD SIGCONT \ | |
539 | SIGDANGER SIGDIL SIGEMT SIGFPE SIGFREEZE SIGGRANT SIGHUP SIGILL \ | |
540 | SIGINFO SIGINT SIGIO SIGIOT SIGKAP SIGKILL SIGKILLTHR SIGLOST SIGLWP \ | |
541 | SIGMIGRATE SIGMSG SIGPHONE SIGPIPE SIGPOLL SIGPRE SIGPROF SIGPWR \ | |
542 | SIGQUIT SIGRETRACT SIGSAK SIGSEGV SIGSOUND SIGSTKFLT SIGSTOP SIGSYS \ | |
543 | SIGTERM SIGTHAW SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGURG SIGUSR1 \ | |
544 | SIGUSR2 SIGVIRT SIGVTALRM SIGWAITING SIGWINCH SIGWIND SIGWINDOW \ | |
545 | SIGXCPU SIGXFSZ | |
546 | _sig_syms_re = $(subst $(_sp),|,$(strip $(_sig_names) $(_sig_types_and_consts))) | |
547 | ||
548 | # Prohibit the inclusion of signal.h without an actual use. | |
549 | sc_prohibit_signal_without_use: | |
550 | @h='<signal.h>' \ | |
551 | re='\<($(_sig_function_re)) *\(|\<($(_sig_syms_re))\>' \ | |
a927b6c1 LC |
552 | $(_sc_header_without_use) |
553 | ||
554 | # Prohibit the inclusion of strings.h without a sensible use. | |
555 | # Using the likes of bcmp, bcopy, bzero, index or rindex is not sensible. | |
556 | sc_prohibit_strings_without_use: | |
557 | @h='<strings.h>' \ | |
558 | re='\<(strn?casecmp|ffs(ll)?)\>' \ | |
559 | $(_sc_header_without_use) | |
560 | ||
561 | # Get the list of symbol names with this: | |
562 | # perl -lne '/^# *define (\w+)\(/ and print $1' lib/intprops.h|grep -v '^s'|fmt | |
563 | _intprops_names = \ | |
564 | TYPE_IS_INTEGER TYPE_TWOS_COMPLEMENT TYPE_ONES_COMPLEMENT \ | |
565 | TYPE_SIGNED_MAGNITUDE TYPE_SIGNED TYPE_MINIMUM TYPE_MAXIMUM \ | |
566 | INT_STRLEN_BOUND INT_BUFSIZE_BOUND | |
567 | _intprops_syms_re = $(subst $(_sp),|,$(strip $(_intprops_names))) | |
568 | # Prohibit the inclusion of intprops.h without an actual use. | |
569 | sc_prohibit_intprops_without_use: | |
570 | @h='"intprops.h"' \ | |
571 | re='\<($(_intprops_syms_re)) *\(' \ | |
572 | $(_sc_header_without_use) | |
c84bdaf6 LC |
573 | |
574 | sc_obsolete_symbols: | |
a927b6c1 LC |
575 | @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \ |
576 | halt='do not use HAVE''_FCNTL_H or O'_NDELAY \ | |
577 | $(_sc_search_regexp) | |
c84bdaf6 LC |
578 | |
579 | # FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ | |
580 | ||
581 | # Each nonempty ChangeLog line must start with a year number, or a TAB. | |
582 | sc_changelog: | |
a927b6c1 LC |
583 | @prohibit='^[^12 ]' \ |
584 | in_vc_files='^ChangeLog$$' \ | |
585 | halt='found unexpected prefix in a ChangeLog' \ | |
586 | $(_sc_search_regexp) | |
c84bdaf6 LC |
587 | |
588 | # Ensure that each .c file containing a "main" function also | |
589 | # calls set_program_name. | |
590 | sc_program_name: | |
a927b6c1 LC |
591 | @require='set_program_name *\(m?argv\[0\]\);' \ |
592 | in_vc_files='\.c$$' \ | |
593 | containing='^main *(' \ | |
594 | halt='the above files do not call set_program_name' \ | |
595 | $(_sc_search_regexp) | |
c84bdaf6 LC |
596 | |
597 | # Require that the final line of each test-lib.sh-using test be this one: | |
598 | # Exit $fail | |
599 | # Note: this test requires GNU grep's --label= option. | |
600 | Exit_witness_file ?= tests/test-lib.sh | |
601 | Exit_base := $(notdir $(Exit_witness_file)) | |
602 | sc_require_test_exit_idiom: | |
603 | @if test -f $(srcdir)/$(Exit_witness_file); then \ | |
604 | die=0; \ | |
605 | for i in $$(grep -l -F 'srcdir/$(Exit_base)' \ | |
606 | $$($(VC_LIST) tests)); do \ | |
607 | tail -n1 $$i | grep '^Exit .' > /dev/null \ | |
608 | && : || { die=1; echo $$i; } \ | |
609 | done; \ | |
610 | test $$die = 1 && \ | |
611 | { echo 1>&2 '$(ME): the final line in each of the above is not:'; \ | |
612 | echo 1>&2 'Exit something'; \ | |
613 | exit 1; } || :; \ | |
614 | fi | |
615 | ||
616 | sc_the_the: | |
a927b6c1 LC |
617 | @prohibit='\<the ''the\>' \ |
618 | ignore_case=1 \ | |
619 | halt='found use of "the ''the";' \ | |
620 | $(_sc_search_regexp) | |
c84bdaf6 LC |
621 | |
622 | sc_trailing_blank: | |
a927b6c1 LC |
623 | @prohibit='[ ]$$' \ |
624 | halt='found trailing blank(s)' \ | |
625 | $(_sc_search_regexp) | |
c84bdaf6 LC |
626 | |
627 | # Match lines like the following, but where there is only one space | |
628 | # between the options and the description: | |
629 | # -D, --all-repeated[=delimit-method] print all duplicate lines\n | |
630 | longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)? | |
631 | sc_two_space_separator_in_usage: | |
a927b6c1 LC |
632 | @prohibit='^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \ |
633 | halt='help2man requires at least two spaces between an option and its description'\ | |
634 | $(_sc_search_regexp) | |
c84bdaf6 LC |
635 | |
636 | # Look for diagnostics that aren't marked for translation. | |
637 | # This won't find any for which error's format string is on a separate line. | |
638 | sc_unmarked_diagnostics: | |
639 | @grep -nE \ | |
a927b6c1 | 640 | '\<error *\([^"]*"[^"]*[a-z]{3}' $$($(VC_LIST_EXCEPT)) \ |
c84bdaf6 LC |
641 | | grep -v '_''(' && \ |
642 | { echo '$(ME): found unmarked diagnostic(s)' 1>&2; \ | |
643 | exit 1; } || : | |
644 | ||
645 | # Avoid useless parentheses like those in this example: | |
646 | # #if defined (SYMBOL) || defined (SYM2) | |
647 | sc_useless_cpp_parens: | |
a927b6c1 LC |
648 | @prohibit='^# *if .*defined *\(' \ |
649 | halt='found useless parentheses in cpp directive' \ | |
650 | $(_sc_search_regexp) | |
651 | ||
652 | # List headers for which HAVE_HEADER_H is always true, assuming you are | |
653 | # using the appropriate gnulib module. CAUTION: for each "unnecessary" | |
654 | # #if HAVE_HEADER_H that you remove, be sure that your project explicitly | |
655 | # requires the gnulib module that guarantees the usability of that header. | |
656 | gl_assured_headers_ = \ | |
657 | cd $(gnulib_dir)/lib && echo *.in.h|sed 's/\.in\.h//g' | |
658 | ||
659 | # Convert the list of names to upper case, and replace each space with "|". | |
660 | az_ = abcdefghijklmnopqrstuvwxyz | |
661 | AZ_ = ABCDEFGHIJKLMNOPQRSTUVWXYZ | |
662 | gl_header_upper_case_or_ = \ | |
663 | $$($(gl_assured_headers_) \ | |
664 | | tr $(az_)/.- $(AZ_)___ \ | |
665 | | tr -s ' ' '|' \ | |
666 | ) | |
667 | sc_prohibit_always_true_header_tests: | |
668 | @or=$(gl_header_upper_case_or_); \ | |
669 | re="HAVE_($$or)_H"; \ | |
670 | prohibit='\<'"$$re"'\>' \ | |
671 | halt='do not test the above HAVE_<header>_H symbol(s);\n'\ | |
672 | ' with the corresponding gnulib module, they are always true' \ | |
673 | $(_sc_search_regexp) | |
674 | ||
675 | # ================================================================== | |
676 | gl_other_headers_ ?= \ | |
677 | intprops.h \ | |
678 | openat.h \ | |
679 | stat-macros.h | |
680 | ||
681 | # Perl -lne code to extract "significant" cpp-defined symbols from a | |
682 | # gnulib header file, eliminating a few common false-positives. | |
683 | gl_extract_significant_defines_ = \ | |
684 | /^\# *define ([^_ (][^ (]*)(\s*\(|\s+\w+)/\ | |
685 | && $$2 !~ /(?:rpl_|_used_without_)/\ | |
686 | && $$1 !~ /^(?:NSIG|ATTRIBUTE_NORETURN)$$/\ | |
687 | and print $$1 | |
688 | ||
689 | # Create a list of regular expressions matching the names | |
690 | # of macros that are guaranteed to be defined by parts of gnulib. | |
691 | define def_sym_regex | |
692 | gen_h=$(gl_generated_headers_); \ | |
693 | (cd $(gnulib_dir)/lib; \ | |
694 | for f in *.in.h $(gl_other_headers_); do \ | |
695 | perl -lne '$(gl_extract_significant_defines_)' $$f; \ | |
696 | done; \ | |
697 | ) | sort -u \ | |
698 | | grep -Ev '^ATTRIBUTE_NORETURN' \ | |
699 | | sed 's/^/^ *# *(define|undef) */;s/$$/\\>/' | |
700 | endef | |
701 | ||
702 | # Don't define macros that we already get from gnulib header files. | |
703 | sc_prohibit_always-defined_macros: | |
704 | @if test -d $(gnulib_dir); then \ | |
705 | case $$(echo all: | grep -l -f - Makefile) in Makefile);; *) \ | |
706 | echo '$(ME): skipping $@: you lack GNU grep' 1>&2; exit 0;; \ | |
707 | esac; \ | |
708 | $(def_sym_regex) | grep -E -f - $$($(VC_LIST_EXCEPT)) \ | |
709 | && { echo '$(ME): define the above via some gnulib .h file' \ | |
710 | 1>&2; exit 1; } || :; \ | |
711 | fi | |
712 | # ================================================================== | |
713 | ||
714 | # Prohibit checked in backup files. | |
715 | sc_prohibit_backup_files: | |
716 | @$(VC_LIST) | grep '~$$' && \ | |
717 | { echo '$(ME): found version controlled backup file' 1>&2; \ | |
718 | exit 1; } || : | |
c84bdaf6 LC |
719 | |
720 | # Require the latest GPL. | |
721 | sc_GPL_version: | |
a927b6c1 LC |
722 | @prohibit='either ''version [^3]' \ |
723 | halt='GPL vN, N!=3' \ | |
724 | $(_sc_search_regexp) | |
c84bdaf6 | 725 | |
61cd9dc9 LC |
726 | # Require the latest GFDL. Two regexp, since some .texi files end up |
727 | # line wrapping between 'Free Documentation License,' and 'Version'. | |
728 | _GFDL_regexp = (Free ''Documentation.*Version 1\.[^3]|Version 1\.[^3] or any) | |
729 | sc_GFDL_version: | |
a927b6c1 LC |
730 | @prohibit='$(_GFDL_regexp)' \ |
731 | halt='GFDL vN, N!=3' \ | |
732 | $(_sc_search_regexp) | |
733 | ||
734 | # Don't use Texinfo @acronym{} as it is not a good idea. | |
735 | texinfo_suffix_re_ ?= \.(txi|texi(nfo)?)$$ | |
736 | sc_texinfo_acronym: | |
737 | @prohibit='@acronym\{' \ | |
738 | in_vc_files='$(texinfo_suffix_re_)' \ | |
739 | halt='found use of Texinfo @acronym{}' \ | |
740 | $(_sc_search_regexp) | |
61cd9dc9 | 741 | |
c84bdaf6 LC |
742 | cvs_keywords = \ |
743 | Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State | |
744 | ||
745 | sc_prohibit_cvs_keyword: | |
a927b6c1 LC |
746 | @prohibit='\$$($(cvs_keywords))\$$' \ |
747 | halt='do not use CVS keyword expansion' \ | |
748 | $(_sc_search_regexp) | |
749 | ||
750 | # This Perl code is slightly obfuscated. Not only is each "$" doubled | |
751 | # because it's in a Makefile, but the $$c's are comments; we cannot | |
752 | # use "#" due to the way the script ends up concatenated onto one line. | |
753 | # It would be much more concise, and would produce better output (including | |
754 | # counts) if written as: | |
755 | # perl -ln -0777 -e '/\n(\n+)$/ and print "$ARGV: ".length $1' ... | |
756 | # but that would be far less efficient, reading the entire contents | |
757 | # of each file, rather than just the last two bytes of each. | |
758 | # | |
759 | # This is a perl script that is expected to be the single-quoted argument | |
760 | # to a command-line "-le". The remaining arguments are file names. | |
761 | # Print the name of each file that ends in two or more newline bytes. | |
762 | # Exit nonzero if at least one such file is found, otherwise, exit 0. | |
763 | # Warn about, but otherwise ignore open failure. Ignore seek/read failure. | |
764 | # | |
765 | # Use this if you want to remove trailing empty lines from selected files: | |
766 | # perl -pi -0777 -e 's/\n\n+$/\n/' files... | |
767 | # | |
768 | detect_empty_lines_at_EOF_ = \ | |
769 | foreach my $$f (@ARGV) \ | |
770 | { \ | |
771 | open F, "<", $$f or (warn "failed to open $$f: $$!\n"), next; \ | |
772 | my $$p = sysseek (F, -2, 2); \ | |
773 | my $$c = "seek failure probably means file has < 2 bytes; ignore"; \ | |
774 | my $$last_two_bytes; \ | |
775 | defined $$p and $$p = sysread F, $$last_two_bytes, 2; \ | |
776 | close F; \ | |
777 | $$c = "ignore read failure"; \ | |
778 | $$p && $$last_two_bytes eq "\n\n" and (print $$f), $$fail=1; \ | |
779 | } \ | |
780 | END { exit defined $$fail } | |
781 | sc_prohibit_empty_lines_at_EOF: | |
782 | @perl -le '$(detect_empty_lines_at_EOF_)' $$($(VC_LIST_EXCEPT)) \ | |
783 | || { echo '$(ME): the above files end with empty line(s)' \ | |
784 | 1>&2; exit 1; } || :; \ | |
c84bdaf6 LC |
785 | |
786 | # Make sure we don't use st_blocks. Use ST_NBLOCKS instead. | |
787 | # This is a bit of a kludge, since it prevents use of the string | |
788 | # even in comments, but for now it does the job with no false positives. | |
789 | sc_prohibit_stat_st_blocks: | |
a927b6c1 LC |
790 | @prohibit='[.>]st_blocks' \ |
791 | halt='do not use st_blocks; use ST_NBLOCKS' \ | |
792 | $(_sc_search_regexp) | |
c84bdaf6 LC |
793 | |
794 | # Make sure we don't define any S_IS* macros in src/*.c files. | |
795 | # They're already defined via gnulib's sys/stat.h replacement. | |
796 | sc_prohibit_S_IS_definition: | |
a927b6c1 LC |
797 | @prohibit='^ *# *define *S_IS' \ |
798 | halt='do not define S_IS* macros; include <sys/stat.h>' \ | |
799 | $(_sc_search_regexp) | |
800 | ||
801 | _ptm1 = use "test C1 && test C2", not "test C1 -''a C2" | |
802 | _ptm2 = use "test C1 || test C2", not "test C1 -''o C2" | |
803 | # Using test's -a and -o operators is not portable. | |
804 | # We prefer test over [, since the latter is spelled [[ in configure.ac. | |
805 | sc_prohibit_test_minus_ao: | |
806 | @prohibit='(\<test| \[+) .+ -[ao] ' \ | |
807 | halt='$(_ptm1); $(_ptm2)' \ | |
808 | $(_sc_search_regexp) | |
c84bdaf6 | 809 | |
61cd9dc9 LC |
810 | # Each program that uses proper_name_utf8 must link with one of the |
811 | # ICONV libraries. Otherwise, some ICONV library must appear in LDADD. | |
812 | # The perl -0777 invocation below extracts the possibly-multi-line | |
813 | # definition of LDADD from the appropriate Makefile.am and exits 0 | |
814 | # when it contains "ICONV". | |
c84bdaf6 LC |
815 | sc_proper_name_utf8_requires_ICONV: |
816 | @progs=$$(grep -l 'proper_name_utf8 ''("' $$($(VC_LIST_EXCEPT)));\ | |
817 | if test "x$$progs" != x; then \ | |
818 | fail=0; \ | |
819 | for p in $$progs; do \ | |
820 | dir=$$(dirname "$$p"); \ | |
61cd9dc9 LC |
821 | perl -0777 \ |
822 | -ne 'exit !(/^LDADD =(.+?[^\\]\n)/ms && $$1 =~ /ICONV/)' \ | |
823 | $$dir/Makefile.am && continue; \ | |
c84bdaf6 LC |
824 | base=$$(basename "$$p" .c); \ |
825 | grep "$${base}_LDADD.*ICONV)" $$dir/Makefile.am > /dev/null \ | |
826 | || { fail=1; echo 1>&2 "$(ME): $$p uses proper_name_utf8"; }; \ | |
827 | done; \ | |
828 | test $$fail = 1 && \ | |
829 | { echo 1>&2 '$(ME): the above do not link with any ICONV library'; \ | |
830 | exit 1; } || :; \ | |
831 | fi | |
832 | ||
833 | # Warn about "c0nst struct Foo const foo[]", | |
834 | # but not about "char const *const foo" or "#define const const". | |
835 | sc_redundant_const: | |
a927b6c1 LC |
836 | @prohibit='\bconst\b[[:space:][:alnum:]]{2,}\bconst\b' \ |
837 | halt='redundant "const" in declarations' \ | |
838 | $(_sc_search_regexp) | |
c84bdaf6 LC |
839 | |
840 | sc_const_long_option: | |
841 | @grep '^ *static.*struct option ' $$($(VC_LIST_EXCEPT)) \ | |
842 | | grep -Ev 'const struct option|struct option const' && { \ | |
843 | echo 1>&2 '$(ME): add "const" to the above declarations'; \ | |
844 | exit 1; } || : | |
845 | ||
846 | NEWS_hash = \ | |
847 | $$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \ | |
848 | $(srcdir)/NEWS \ | |
61cd9dc9 LC |
849 | | perl -0777 -pe \ |
850 | 's/^Copyright.+?Free\sSoftware\sFoundation,\sInc\.\n//ms' \ | |
c84bdaf6 LC |
851 | | md5sum - \ |
852 | | sed 's/ .*//') | |
853 | ||
854 | # Ensure that we don't accidentally insert an entry into an old NEWS block. | |
855 | sc_immutable_NEWS: | |
856 | @if test -f $(srcdir)/NEWS; then \ | |
857 | test "$(NEWS_hash)" = '$(old_NEWS_hash)' && : || \ | |
858 | { echo '$(ME): you have modified old NEWS' 1>&2; exit 1; }; \ | |
859 | fi | |
860 | ||
861 | # Update the hash stored above. Do this after each release and | |
862 | # for any corrections to old entries. | |
863 | update-NEWS-hash: NEWS | |
864 | perl -pi -e 's/^(old_NEWS_hash[ \t]+:?=[ \t]+).*/$${1}'"$(NEWS_hash)/" \ | |
865 | $(srcdir)/cfg.mk | |
866 | ||
867 | # Ensure that we use only the standard $(VAR) notation, | |
868 | # not @...@ in Makefile.am, now that we can rely on automake | |
869 | # to emit a definition for each substituted variable. | |
870 | # We use perl rather than "grep -nE ..." to exempt a single | |
871 | # use of an @...@-delimited variable name in src/Makefile.am. | |
61cd9dc9 LC |
872 | # Allow the package to add exceptions via a hook in cfg.mk; |
873 | # for example, @PRAGMA_SYSTEM_HEADER@ can be permitted by | |
874 | # setting this to ' && !/PRAGMA_SYSTEM_HEADER/'. | |
875 | _makefile_at_at_check_exceptions ?= | |
876 | sc_makefile_at_at_check: | |
877 | @perl -ne '/\@[A-Z_0-9]+\@/'$(_makefile_at_at_check_exceptions) \ | |
c84bdaf6 LC |
878 | -e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}' \ |
879 | $$($(VC_LIST_EXCEPT) | grep -E '(^|/)Makefile\.am$$') \ | |
880 | && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || : | |
881 | ||
1cd4fffc | 882 | news-check: NEWS |
9157d901 LC |
883 | if sed -n $(news-check-lines-spec)p $(srcdir)/NEWS \ |
884 | | grep -E $(news-check-regexp) >/dev/null; then \ | |
c84bdaf6 LC |
885 | :; \ |
886 | else \ | |
1cd4fffc | 887 | echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2; \ |
c84bdaf6 LC |
888 | exit 1; \ |
889 | fi | |
890 | ||
891 | sc_makefile_TAB_only_indentation: | |
a927b6c1 LC |
892 | @prohibit='^ [ ]{8}' \ |
893 | in_vc_files='akefile|\.mk$$' \ | |
894 | halt='found TAB-8-space indentation' \ | |
895 | $(_sc_search_regexp) | |
c84bdaf6 LC |
896 | |
897 | sc_m4_quote_check: | |
a927b6c1 LC |
898 | @prohibit='(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]' \ |
899 | in_vc_files='(^configure\.ac|\.m4)$$' \ | |
900 | halt='quote the first arg to AC_DEF*' \ | |
901 | $(_sc_search_regexp) | |
c84bdaf6 LC |
902 | |
903 | fix_po_file_diag = \ | |
904 | 'you have changed the set of files with translatable diagnostics;\n\ | |
905 | apply the above patch\n' | |
906 | ||
907 | # Verify that all source files using _() are listed in po/POTFILES.in. | |
908 | po_file = po/POTFILES.in | |
909 | sc_po_check: | |
910 | @if test -f $(po_file); then \ | |
911 | grep -E -v '^(#|$$)' $(po_file) \ | |
912 | | grep -v '^src/false\.c$$' | sort > $@-1; \ | |
913 | files=; \ | |
914 | for file in $$($(VC_LIST_EXCEPT)) lib/*.[ch]; do \ | |
915 | test -r $$file || continue; \ | |
916 | case $$file in \ | |
917 | *.m4|*.mk) continue ;; \ | |
918 | *.?|*.??) ;; \ | |
919 | *) continue;; \ | |
920 | esac; \ | |
921 | case $$file in \ | |
922 | *.[ch]) \ | |
923 | base=`expr " $$file" : ' \(.*\)\..'`; \ | |
924 | { test -f $$base.l || test -f $$base.y; } && continue;; \ | |
925 | esac; \ | |
926 | files="$$files $$file"; \ | |
927 | done; \ | |
928 | grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files \ | |
929 | | sort -u > $@-2; \ | |
930 | diff -u -L $(po_file) -L $(po_file) $@-1 $@-2 \ | |
931 | || { printf '$(ME): '$(fix_po_file_diag) 1>&2; exit 1; }; \ | |
932 | rm -f $@-1 $@-2; \ | |
933 | fi | |
934 | ||
935 | # Sometimes it is useful to change the PATH environment variable | |
936 | # in Makefiles. When doing so, it's better not to use the Unix-centric | |
937 | # path separator of `:', but rather the automake-provided `$(PATH_SEPARATOR)'. | |
938 | msg = '$(ME): Do not use `:'\'' above; use $$(PATH_SEPARATOR) instead' | |
939 | sc_makefile_path_separator_check: | |
a927b6c1 LC |
940 | @prohibit='PATH[=].*:' \ |
941 | in_vc_files='akefile|\.mk$$' \ | |
942 | halt=$(msg) \ | |
943 | $(_sc_search_regexp) | |
c84bdaf6 LC |
944 | |
945 | # Check that `make alpha' will not fail at the end of the process. | |
946 | writable-files: | |
947 | if test -d $(release_archive_dir); then :; else \ | |
948 | for file in $(distdir).tar.gz \ | |
949 | $(release_archive_dir)/$(distdir).tar.gz; do \ | |
950 | test -e $$file || continue; \ | |
951 | test -w $$file \ | |
952 | || { echo ERROR: $$file is not writable; fail=1; }; \ | |
953 | done; \ | |
954 | test "$$fail" && exit 1 || : ; \ | |
955 | fi | |
956 | ||
2e65b52f | 957 | v_etc_file = $(gnulib_dir)/lib/version-etc.c |
c84bdaf6 LC |
958 | sample-test = tests/sample-test |
959 | texi = doc/$(PACKAGE).texi | |
960 | # Make sure that the copyright date in $(v_etc_file) is up to date. | |
961 | # Do the same for the $(sample-test) and the main doc/.texi file. | |
962 | sc_copyright_check: | |
a927b6c1 LC |
963 | @require='enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' \ |
964 | in_files=$(v_etc_file) \ | |
965 | halt='out of date copyright in $(v_etc_file); update it' \ | |
966 | $(_sc_search_regexp) | |
967 | @require='# Copyright \(C\) '$$(date +%Y)' Free' \ | |
968 | in_vc_files=$(sample-test) \ | |
969 | halt='out of date copyright in $(sample-test); update it' \ | |
970 | $(_sc_search_regexp) | |
971 | @require='Copyright @copyright\{\} .*'$$(date +%Y)' Free' \ | |
972 | in_vc_files=$(texi) \ | |
973 | halt='out of date copyright in $(texi); update it' \ | |
974 | $(_sc_search_regexp) | |
975 | ||
976 | # If tests/help-version exists and seems to be new enough, assume that its | |
977 | # use of init.sh and path_prepend_ is correct, and ensure that every other | |
978 | # use of init.sh is identical. | |
979 | # This is useful because help-version cross-checks prog --version | |
980 | # with $(VERSION), which verifies that its path_prepend_ invocation | |
981 | # sets PATH correctly. This is an inexpensive way to ensure that | |
982 | # the other init.sh-using tests also get it right. | |
983 | _hv_file ?= $(srcdir)/tests/help-version | |
984 | _hv_regex_weak ?= ^ *\. .*/init\.sh" | |
985 | _hv_regex_strong ?= ^ *\. "\$${srcdir=\.}/init\.sh" | |
986 | sc_cross_check_PATH_usage_in_tests: | |
987 | @if test -f $(_hv_file); then \ | |
988 | grep -l 'VERSION mismatch' $(_hv_file) >/dev/null \ | |
989 | || { echo "$@: skipped: no such file: $(_hv_file)" 1>&2; \ | |
990 | exit 0; }; \ | |
991 | grep -lE '$(_hv_regex_strong)' $(_hv_file) >/dev/null \ | |
992 | || { echo "$@: $(_hv_file) lacks conforming use of init.sh" 1>&2; \ | |
993 | exit 1; }; \ | |
994 | good=$$(grep -E '$(_hv_regex_strong)' $(_hv_file)); \ | |
995 | grep -LFx "$$good" \ | |
996 | $$(grep -lE '$(_hv_regex_weak)' $$($(VC_LIST_EXCEPT))) \ | |
997 | | grep . && \ | |
998 | { echo "$(ME): the above files use path_prepend_ inconsistently" \ | |
999 | 1>&2; exit 1; } || :; \ | |
c84bdaf6 LC |
1000 | fi |
1001 | ||
61cd9dc9 LC |
1002 | # #if HAVE_... will evaluate to false for any non numeric string. |
1003 | # That would be flagged by using -Wundef, however gnulib currently | |
1004 | # tests many undefined macros, and so we can't enable that option. | |
1005 | # So at least preclude common boolean strings as macro values. | |
1006 | sc_Wundef_boolean: | |
a927b6c1 LC |
1007 | @prohibit='^#define.*(yes|no|true|false)$$' \ |
1008 | in_files='$(CONFIG_INCLUDE)' \ | |
1009 | halt='Use 0 or 1 for macro values' \ | |
1010 | $(_sc_search_regexp) | |
61cd9dc9 LC |
1011 | |
1012 | sc_vulnerable_makefile_CVE-2009-4029: | |
a927b6c1 LC |
1013 | @prohibit='perm -777 -exec chmod a\+rwx|chmod 777 \$$\(distdir\)' \ |
1014 | in_files=$$(find $(srcdir) -name Makefile.in) \ | |
1015 | halt='the above files are vulnerable; beware of running\n'\ | |
1016 | '"make dist*" rules, and upgrade to fixed automake\n'\ | |
1017 | 'see http://bugzilla.redhat.com/542609 for details' \ | |
1018 | $(_sc_search_regexp) | |
61cd9dc9 | 1019 | |
c84bdaf6 LC |
1020 | vc-diff-check: |
1021 | (unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || : | |
1022 | if test -s vc-diffs; then \ | |
1023 | cat vc-diffs; \ | |
1024 | echo "Some files are locally modified:" 1>&2; \ | |
1025 | exit 1; \ | |
1026 | else \ | |
1027 | rm vc-diffs; \ | |
1028 | fi | |
1029 | ||
c84bdaf6 LC |
1030 | rel-files = $(DIST_ARCHIVES) |
1031 | ||
1032 | gnulib_dir ?= $(srcdir)/gnulib | |
1033 | gnulib-version = $$(cd $(gnulib_dir) && git describe) | |
1034 | bootstrap-tools ?= autoconf,automake,gnulib | |
1035 | ||
61cd9dc9 LC |
1036 | # If it's not already specified, derive the GPG key ID from |
1037 | # the signed tag we've just applied to mark this release. | |
1038 | gpg_key_ID ?= \ | |
1039 | $$(git cat-file tag v$(VERSION) > .ann-sig \ | |
1040 | && gpgv .ann-sig - < /dev/null 2>&1 \ | |
1041 | | sed -n '/.*key ID \([0-9A-F]*\)/s//\1/p'; rm -f .ann-sig) | |
1042 | ||
a927b6c1 LC |
1043 | translation_project_ ?= coordinator@translationproject.org |
1044 | announcement_Cc_ ?= $(translation_project_), $(PACKAGE_BUGREPORT) | |
1045 | announcement_mail_headers_ ?= \ | |
1046 | To: info-gnu@gnu.org \ | |
1047 | Cc: $(announcement_Cc_) \ | |
1048 | Mail-Followup-To: $(PACKAGE_BUGREPORT) | |
1049 | ||
c84bdaf6 LC |
1050 | announcement: NEWS ChangeLog $(rel-files) |
1051 | @$(build_aux)/announce-gen \ | |
a927b6c1 | 1052 | --mail-headers='$(announcement_mail_headers_)' \ |
c84bdaf6 LC |
1053 | --release-type=$(RELEASE_TYPE) \ |
1054 | --package=$(PACKAGE) \ | |
1055 | --prev=$(PREV_VERSION) \ | |
1056 | --curr=$(VERSION) \ | |
1057 | --gpg-key-id=$(gpg_key_ID) \ | |
61cd9dc9 | 1058 | --news=$(srcdir)/NEWS \ |
c84bdaf6 LC |
1059 | --bootstrap-tools=$(bootstrap-tools) \ |
1060 | --gnulib-version=$(gnulib-version) \ | |
1061 | --no-print-checksums \ | |
1062 | $(addprefix --url-dir=, $(url_dir_list)) | |
1063 | ||
1064 | ## ---------------- ## | |
1065 | ## Updating files. ## | |
1066 | ## ---------------- ## | |
1067 | ||
1068 | ftp-gnu = ftp://ftp.gnu.org/gnu | |
1069 | www-gnu = http://www.gnu.org | |
1070 | ||
dde9c5a4 | 1071 | upload_dest_dir_ ?= $(PACKAGE) |
c84bdaf6 LC |
1072 | emit_upload_commands: |
1073 | @echo ===================================== | |
1074 | @echo ===================================== | |
1075 | @echo "$(build_aux)/gnupload $(GNUPLOADFLAGS) \\" | |
dde9c5a4 | 1076 | @echo " --to $(gnu_rel_host):$(upload_dest_dir_) \\" |
c84bdaf6 | 1077 | @echo " $(rel-files)" |
61cd9dc9 | 1078 | @echo '# send the ~/announce-$(my_distdir) e-mail' |
c84bdaf6 LC |
1079 | @echo ===================================== |
1080 | @echo ===================================== | |
1081 | ||
1082 | noteworthy = * Noteworthy changes in release ?.? (????-??-??) [?] | |
1083 | define emit-commit-log | |
1084 | printf '%s\n' 'post-release administrivia' '' \ | |
1085 | '* NEWS: Add header line for next release.' \ | |
1086 | '* .prev-version: Record previous version.' \ | |
1087 | '* cfg.mk (old_NEWS_hash): Auto-update.' | |
1088 | endef | |
1089 | ||
1090 | .PHONY: no-submodule-changes | |
1091 | no-submodule-changes: | |
1092 | if test -d $(srcdir)/.git; then \ | |
1093 | diff=$$(cd $(srcdir) && git submodule -q foreach \ | |
1094 | git diff-index --name-only HEAD) \ | |
1095 | || exit 1; \ | |
1096 | case $$diff in '') ;; \ | |
1097 | *) echo '$(ME): submodule files are locally modified:'; \ | |
1098 | echo "$$diff"; exit 1;; esac; \ | |
1099 | else \ | |
1100 | : ; \ | |
1101 | fi | |
1102 | ||
1103 | .PHONY: alpha beta stable | |
1104 | ALL_RECURSIVE_TARGETS += alpha beta stable | |
1105 | alpha beta stable: $(local-check) writable-files no-submodule-changes | |
1106 | test $@ = stable \ | |
1107 | && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \ | |
1108 | || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\ | |
1109 | || : | |
1110 | $(MAKE) vc-diff-check | |
1cd4fffc | 1111 | $(MAKE) news-check |
c84bdaf6 LC |
1112 | $(MAKE) distcheck |
1113 | $(MAKE) dist XZ_OPT=-9ev | |
1cd4fffc LC |
1114 | $(MAKE) $(release-prep-hook) RELEASE_TYPE=$@ |
1115 | $(MAKE) -s emit_upload_commands RELEASE_TYPE=$@ | |
1116 | ||
1117 | # Override this in cfg.mk if you follow different procedures. | |
1118 | release-prep-hook ?= release-prep | |
1119 | ||
1120 | .PHONY: release-prep | |
1121 | release-prep: | |
1122 | case $$RELEASE_TYPE in alpha|beta|stable) ;; \ | |
1123 | *) echo "invalid RELEASE_TYPE: $$RELEASE_TYPE" 1>&2; exit 1;; esac | |
61cd9dc9 | 1124 | $(MAKE) -s announcement > ~/announce-$(my_distdir) |
c84bdaf6 LC |
1125 | if test -d $(release_archive_dir); then \ |
1126 | ln $(rel-files) $(release_archive_dir); \ | |
1127 | chmod a-w $(rel-files); \ | |
1128 | fi | |
c84bdaf6 LC |
1129 | echo $(VERSION) > $(prev_version_file) |
1130 | $(MAKE) update-NEWS-hash | |
1131 | perl -pi -e '$$. == 3 and print "$(noteworthy)\n\n\n"' NEWS | |
1132 | $(emit-commit-log) > .ci-msg | |
1133 | $(VC) commit -F .ci-msg -a | |
61cd9dc9 | 1134 | rm .ci-msg |
c84bdaf6 | 1135 | |
a927b6c1 LC |
1136 | # Override this with e.g., -s $(srcdir)/some_other_name.texi |
1137 | # if the default $(PACKAGE)-derived name doesn't apply. | |
1138 | gendocs_options_ ?= | |
1139 | ||
c84bdaf6 LC |
1140 | .PHONY: web-manual |
1141 | web-manual: | |
1142 | @test -z "$(manual_title)" \ | |
1143 | && { echo define manual_title in cfg.mk 1>&2; exit 1; } || : | |
1144 | @cd '$(srcdir)/doc'; \ | |
a927b6c1 LC |
1145 | $(SHELL) ../build-aux/gendocs.sh $(gendocs_options_) \ |
1146 | -o '$(abs_builddir)/doc/manual' \ | |
c84bdaf6 LC |
1147 | --email $(PACKAGE_BUGREPORT) $(PACKAGE) \ |
1148 | "$(PACKAGE_NAME) - $(manual_title)" | |
1149 | @echo " *** Upload the doc/manual directory to web-cvs." | |
1150 | ||
1151 | # Code Coverage | |
1152 | ||
1153 | init-coverage: | |
1154 | $(MAKE) $(AM_MAKEFLAGS) clean | |
1155 | lcov --directory . --zerocounters | |
1156 | ||
1157 | COVERAGE_CCOPTS ?= "-g --coverage" | |
1158 | COVERAGE_OUT ?= doc/coverage | |
1159 | ||
1160 | build-coverage: | |
1161 | $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) | |
1162 | $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) check | |
1163 | mkdir -p $(COVERAGE_OUT) | |
1164 | lcov --directory . --output-file $(COVERAGE_OUT)/$(PACKAGE).info \ | |
1165 | --capture | |
1166 | ||
1167 | gen-coverage: | |
1168 | genhtml --output-directory $(COVERAGE_OUT) \ | |
1169 | $(COVERAGE_OUT)/$(PACKAGE).info \ | |
1170 | --highlight --frames --legend \ | |
1171 | --title "$(PACKAGE_NAME)" | |
1172 | ||
1173 | coverage: init-coverage build-coverage gen-coverage | |
1174 | ||
1175 | # Update gettext files. | |
1176 | PACKAGE ?= $(shell basename $(PWD)) | |
1177 | PO_DOMAIN ?= $(PACKAGE) | |
1178 | POURL = http://translationproject.org/latest/$(PO_DOMAIN)/ | |
1179 | PODIR ?= po | |
1180 | refresh-po: | |
1181 | rm -f $(PODIR)/*.po && \ | |
1182 | echo "$(ME): getting translations into po (please ignore the robots.txt ERROR 404)..." && \ | |
1183 | wget --no-verbose --directory-prefix $(PODIR) --no-directories --recursive --level 1 --accept .po --accept .po.1 $(POURL) && \ | |
1184 | echo 'en@boldquot' > $(PODIR)/LINGUAS && \ | |
1185 | echo 'en@quot' >> $(PODIR)/LINGUAS && \ | |
1186 | ls $(PODIR)/*.po | sed 's/\.po//' | sed 's,$(PODIR)/,,' | sort >> $(PODIR)/LINGUAS | |
1187 | ||
a927b6c1 | 1188 | # Running indent once is not idempotent, but running it twice is. |
c84bdaf6 LC |
1189 | INDENT_SOURCES ?= $(C_SOURCES) |
1190 | .PHONY: indent | |
1191 | indent: | |
1192 | indent $(INDENT_SOURCES) | |
a927b6c1 | 1193 | indent $(INDENT_SOURCES) |
c84bdaf6 LC |
1194 | |
1195 | # If you want to set UPDATE_COPYRIGHT_* environment variables, | |
1196 | # put the assignments in this variable. | |
1197 | update-copyright-env ?= | |
1198 | ||
1199 | # Run this rule once per year (usually early in January) | |
1200 | # to update all FSF copyright year lists in your project. | |
1201 | # If you have an additional project-specific rule, | |
1202 | # add it in cfg.mk along with a line 'update-copyright: prereq'. | |
1203 | # By default, exclude all variants of COPYING; you can also | |
1204 | # add exemptions (such as ChangeLog..* for rotated change logs) | |
1205 | # in the file .x-update-copyright. | |
1206 | .PHONY: update-copyright | |
1207 | update-copyright: | |
1208 | grep -l -w Copyright \ | |
1209 | $$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \ | |
1210 | | $(update-copyright-env) xargs $(build_aux)/$@ |