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Update comments regarding GMP earlier than 4.2.
[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 = $(GIT)
36 VC-tag = git tag -s -m '$(VERSION)' -u '$(gpg_key_ID)'
37
38 VC_LIST = $(build_aux)/vc-list-files -C $(srcdir)
39
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 ?= ^$$
43
44 # This is to preprocess robustly the output of $(VC_LIST), so that even
45 # when $(srcdir) is a pathological name like "....", the leading sed command
46 # removes only the intended prefix.
47 _dot_escaped_srcdir = $(subst .,\.,$(srcdir))
48
49 # Post-process $(VC_LIST) output, prepending $(srcdir)/, but only
50 # when $(srcdir) is not ".".
51 ifeq ($(srcdir),.)
52 _prepend_srcdir_prefix =
53 else
54 _prepend_srcdir_prefix = | sed 's|^|$(srcdir)/|'
55 endif
56
57 # In order to be able to consistently filter "."-relative names,
58 # (i.e., with no $(srcdir) prefix), this definition is careful to
59 # remove any $(srcdir) prefix, and to restore what it removes.
60 VC_LIST_EXCEPT = \
61 $(VC_LIST) | sed 's|^$(_dot_escaped_srcdir)/||' \
62 | if test -f $(srcdir)/.x-$@; then grep -vEf $(srcdir)/.x-$@; \
63 else grep -Ev -e "$${VC_LIST_EXCEPT_DEFAULT-ChangeLog}"; fi \
64 | grep -Ev -e '$(VC_LIST_ALWAYS_EXCLUDE_REGEX)' \
65 $(_prepend_srcdir_prefix)
66
67 ifeq ($(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
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
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)
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
112 news-check-regexp ?= '^\*.* $(VERSION_REGEXP) \($(today)\)'
113
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
135 sc_m_rules_ = $(patsubst %, %.m, $(syntax-check-rules))
136 .PHONY: $(sc_m_rules_)
137 $(sc_m_rules_):
138 @echo $(patsubst sc_%.m, %, $@)
139 @date +%s.%N > .sc-start-$(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)))
156
157 syntax-check: $(local-check)
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.
196 export ignore_case =
197 _ignore_case = $$(test -n "$$ignore_case" && printf %s -i || :)
198
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" $(_sc_say_and_exit) } || :; \
254 fi \
255 else :; \
256 fi || :;
257 endef
258
259 sc_avoid_if_before_free:
260 @$(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:
267 @prohibit='\<free *\( *\(' halt='don'\''t cast free argument' \
268 $(_sc_search_regexp)
269
270 sc_cast_of_x_alloc_return_value:
271 @prohibit='\*\) *x(m|c|re)alloc\>' \
272 halt='don'\''t cast x*alloc return value' \
273 $(_sc_search_regexp)
274
275 sc_cast_of_alloca_return_value:
276 @prohibit='\*\) *alloca\>' \
277 halt='don'\''t cast alloca return value' \
278 $(_sc_search_regexp)
279
280 sc_space_tab:
281 @prohibit='[ ] ' \
282 halt='found SPACE-TAB sequence; remove the SPACE' \
283 $(_sc_search_regexp)
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:
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)
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 STRN?EQ\(' && \
298 { echo '$(ME): replace str''cmp calls above with STREQ/STRNEQ' \
299 1>&2; exit 1; } || :
300
301 # Pass EXIT_*, not number, to usage, exit, and error (when exiting)
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)/'
311 sc_prohibit_magic_number_exit:
312 @prohibit='(^|[^.])\<(usage|exit) ?\([0-9]|\<error ?\([1-9][0-9]*,' \
313 halt='use EXIT_* values rather than magic number' \
314 $(_sc_search_regexp)
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:
319 @prohibit='error *\(EXIT_SUCCESS,' \
320 in_vc_files='\.[chly]$$' \
321 halt='found error (EXIT_SUCCESS' \
322 $(_sc_search_regexp)
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:
327 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
328 | grep -E '"Warning|"Fatal|"fatal' && \
329 { echo '$(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:
334 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
335 | grep -E '"[A-Z]' \
336 | grep -vE '"FATAL|"WARNING|"Java|"C#|PRIuMAX' && \
337 { echo '$(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:
342 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
343 | grep -E '[^."]\."' && \
344 { echo '$(ME): found error message ending in period' 1>&2; \
345 exit 1; } || :
346
347 sc_file_system:
348 @prohibit=file''system \
349 ignore_case=1 \
350 halt='found use of "file''system"; spell it "file system"' \
351 $(_sc_search_regexp)
352
353 # Don't use cpp tests of this symbol. All code assumes config.h is included.
354 sc_prohibit_have_config_h:
355 @prohibit='^# *if.*HAVE''_CONFIG_H' \
356 halt='found use of HAVE''_CONFIG_H; remove' \
357 $(_sc_search_regexp)
358
359 # Nearly all .c files must include <config.h>. However, we also permit this
360 # via inclusion of a package-specific header, if cfg.mk specified one.
361 # config_h_header must be suitable for grep -E.
362 config_h_header ?= <config\.h>
363 sc_require_config_h:
364 @require='^# *include $(config_h_header)' \
365 in_vc_files='\.c$$' \
366 halt='the above files do not include <config.h>' \
367 $(_sc_search_regexp)
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:
386 @prohibit='\bHAVE_MBRTOWC\b' \
387 halt="do not use $$prohibit; it is always defined" \
388 $(_sc_search_regexp)
389
390 # To use this "command" macro, you must first define two shell variables:
391 # h: the header, enclosed in <> or ""
392 # re: a regular expression that matches IFF something provided by $h is used.
393 define _sc_header_without_use
394 dummy=; : so we do not need a semicolon before each use; \
395 h_esc=`echo "$$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:
408 @h='<assert.h>' re='\<assert *\(' $(_sc_header_without_use)
409
410 # Prohibit the inclusion of close-stream.h without an actual use.
411 sc_prohibit_close_stream_without_use:
412 @h='"close-stream.h"' re='\<close_stream *\(' $(_sc_header_without_use)
413
414 # Prohibit the inclusion of getopt.h without an actual use.
415 sc_prohibit_getopt_without_use:
416 @h='<getopt.h>' re='\<getopt(_long)? *\(' $(_sc_header_without_use)
417
418 # Don't include quotearg.h unless you use one of its functions.
419 sc_prohibit_quotearg_without_use:
420 @h='"quotearg.h"' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use)
421
422 # Don't include quote.h unless you use one of its functions.
423 sc_prohibit_quote_without_use:
424 @h='"quote.h"' re='\<quote(_n)? *\(' $(_sc_header_without_use)
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 *\(' \
429 $(_sc_header_without_use)
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 *\(' \
434 $(_sc_header_without_use)
435
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) *\(' \
439 $(_sc_header_without_use)
440
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)? *\('\
445 $(_sc_header_without_use)
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 '^__';
450 # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/xalloc.h
451 # Divide into two sets on case, and filter each through this:
452 # | sort | perl -MRegexp::Assemble -le \
453 # 'print Regexp::Assemble->new(file => "/dev/stdin")->as_string'|sed 's/\?://g'
454 # Note this was produced by the above:
455 # _xa1 = \
456 #x(((2n?)?re|c(har)?|n(re|m)|z)alloc|alloc_(oversized|die)|m(alloc|emdup)|strdup)
457 # But we can do better, in at least two ways:
458 # 1) take advantage of two "dup"-suffixed strings:
459 # x(((2n?)?re|c(har)?|n(re|m)|[mz])alloc|alloc_(oversized|die)|(mem|str)dup)
460 # 2) notice that "c(har)?|[mz]" is equivalent to the shorter and more readable
461 # "char|[cmz]"
462 # x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup)
463 _xa1 = x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup)
464 _xa2 = X([CZ]|N?M)ALLOC
465 sc_prohibit_xalloc_without_use:
466 @h='"xalloc.h"' \
467 re='\<($(_xa1)|$(_xa2)) *\('\
468 $(_sc_header_without_use)
469
470 # Extract function names:
471 # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/hash.h
472 _hash_re = \
473 clear|delete|free|get_(first|next)|insert|lookup|print_statistics|reset_tuning
474 _hash_fn = \<($(_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)'\
479 $(_sc_header_without_use)
480
481 sc_prohibit_hash_pjw_without_use:
482 @h='"hash-pjw.h"' \
483 re='\<hash_pjw *\(' \
484 $(_sc_header_without_use)
485
486 sc_prohibit_safe_read_without_use:
487 @h='"safe-read.h"' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
488 $(_sc_header_without_use)
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) *\()' \
493 $(_sc_header_without_use)
494
495 sc_prohibit_canonicalize_without_use:
496 @h='"canonicalize.h"' \
497 re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode)' \
498 $(_sc_header_without_use)
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 *\()' \
503 $(_sc_header_without_use)
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)\>' \
508 $(_sc_header_without_use)
509
510 # Prohibit the inclusion of c-ctype.h without an actual use.
511 ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
512 |isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper
513 sc_prohibit_c_ctype_without_use:
514 @h='[<"]c-ctype.h[">]' re='\<c_($(ctype_re)) *\(' \
515 $(_sc_header_without_use)
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))\>' \
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 $(_sc_header_without_use)
573
574 _stddef_syms_re = NULL|offsetof|ptrdiff_t|size_t|wchar_t
575 # Prohibit the inclusion of stddef.h without an actual use.
576 sc_prohibit_stddef_without_use:
577 @h='<stddef.h>' \
578 re='\<($(_stddef_syms_re)) *\(' \
579 $(_sc_header_without_use)
580
581 sc_obsolete_symbols:
582 @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \
583 halt='do not use HAVE''_FCNTL_H or O'_NDELAY \
584 $(_sc_search_regexp)
585
586 # FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
587
588 # Each nonempty ChangeLog line must start with a year number, or a TAB.
589 sc_changelog:
590 @prohibit='^[^12 ]' \
591 in_vc_files='^ChangeLog$$' \
592 halt='found unexpected prefix in a ChangeLog' \
593 $(_sc_search_regexp)
594
595 # Ensure that each .c file containing a "main" function also
596 # calls set_program_name.
597 sc_program_name:
598 @require='set_program_name *\(m?argv\[0\]\);' \
599 in_vc_files='\.c$$' \
600 containing='\<main *(' \
601 halt='the above files do not call set_program_name' \
602 $(_sc_search_regexp)
603
604 # Ensure that each .c file containing a "main" function also
605 # calls bindtextdomain.
606 sc_bindtextdomain:
607 @require='bindtextdomain *\(' \
608 in_vc_files='\.c$$' \
609 containing='\<main *(' \
610 halt='the above files do not call bindtextdomain' \
611 $(_sc_search_regexp)
612
613 # Require that the final line of each test-lib.sh-using test be this one:
614 # Exit $fail
615 # Note: this test requires GNU grep's --label= option.
616 Exit_witness_file ?= tests/test-lib.sh
617 Exit_base := $(notdir $(Exit_witness_file))
618 sc_require_test_exit_idiom:
619 @if test -f $(srcdir)/$(Exit_witness_file); then \
620 die=0; \
621 for i in $$(grep -l -F 'srcdir/$(Exit_base)' \
622 $$($(VC_LIST) tests)); do \
623 tail -n1 $$i | grep '^Exit .' > /dev/null \
624 && : || { die=1; echo $$i; } \
625 done; \
626 test $$die = 1 && \
627 { echo 1>&2 '$(ME): the final line in each of the above is not:'; \
628 echo 1>&2 'Exit something'; \
629 exit 1; } || :; \
630 fi
631
632 sc_the_the:
633 @prohibit='\<the ''the\>' \
634 ignore_case=1 \
635 halt='found use of "the ''the";' \
636 $(_sc_search_regexp)
637
638 sc_trailing_blank:
639 @prohibit='[ ]$$' \
640 halt='found trailing blank(s)' \
641 $(_sc_search_regexp)
642
643 # Match lines like the following, but where there is only one space
644 # between the options and the description:
645 # -D, --all-repeated[=delimit-method] print all duplicate lines\n
646 longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)?
647 sc_two_space_separator_in_usage:
648 @prohibit='^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \
649 halt='help2man requires at least two spaces between an option and its description'\
650 $(_sc_search_regexp)
651
652 # Look for diagnostics that aren't marked for translation.
653 # This won't find any for which error's format string is on a separate line.
654 sc_unmarked_diagnostics:
655 @grep -nE \
656 '\<error *\([^"]*"[^"]*[a-z]{3}' $$($(VC_LIST_EXCEPT)) \
657 | grep -v '_''(' && \
658 { echo '$(ME): found unmarked diagnostic(s)' 1>&2; \
659 exit 1; } || :
660
661 # Avoid useless parentheses like those in this example:
662 # #if defined (SYMBOL) || defined (SYM2)
663 sc_useless_cpp_parens:
664 @prohibit='^# *if .*defined *\(' \
665 halt='found useless parentheses in cpp directive' \
666 $(_sc_search_regexp)
667
668 # List headers for which HAVE_HEADER_H is always true, assuming you are
669 # using the appropriate gnulib module. CAUTION: for each "unnecessary"
670 # #if HAVE_HEADER_H that you remove, be sure that your project explicitly
671 # requires the gnulib module that guarantees the usability of that header.
672 gl_assured_headers_ = \
673 cd $(gnulib_dir)/lib && echo *.in.h|sed 's/\.in\.h//g'
674
675 # Convert the list of names to upper case, and replace each space with "|".
676 az_ = abcdefghijklmnopqrstuvwxyz
677 AZ_ = ABCDEFGHIJKLMNOPQRSTUVWXYZ
678 gl_header_upper_case_or_ = \
679 $$($(gl_assured_headers_) \
680 | tr $(az_)/.- $(AZ_)___ \
681 | tr -s ' ' '|' \
682 )
683 sc_prohibit_always_true_header_tests:
684 @or=$(gl_header_upper_case_or_); \
685 re="HAVE_($$or)_H"; \
686 prohibit='\<'"$$re"'\>' \
687 halt=$$(printf '%s\n' \
688 'do not test the above HAVE_<header>_H symbol(s);' \
689 ' with the corresponding gnulib module, they are always true') \
690 $(_sc_search_regexp)
691
692 # ==================================================================
693 gl_other_headers_ ?= \
694 intprops.h \
695 openat.h \
696 stat-macros.h
697
698 # Perl -lne code to extract "significant" cpp-defined symbols from a
699 # gnulib header file, eliminating a few common false-positives.
700 gl_extract_significant_defines_ = \
701 /^\# *define ([^_ (][^ (]*)(\s*\(|\s+\w+)/\
702 && $$2 !~ /(?:rpl_|_used_without_)/\
703 && $$1 !~ /^(?:NSIG|ATTRIBUTE_NORETURN)$$/\
704 and print $$1
705
706 # Create a list of regular expressions matching the names
707 # of macros that are guaranteed to be defined by parts of gnulib.
708 define def_sym_regex
709 gen_h=$(gl_generated_headers_); \
710 (cd $(gnulib_dir)/lib; \
711 for f in *.in.h $(gl_other_headers_); do \
712 perl -lne '$(gl_extract_significant_defines_)' $$f; \
713 done; \
714 ) | sort -u \
715 | grep -Ev '^ATTRIBUTE_NORETURN' \
716 | sed 's/^/^ *# *(define|undef) */;s/$$/\\>/'
717 endef
718
719 # Don't define macros that we already get from gnulib header files.
720 sc_prohibit_always-defined_macros:
721 @if test -d $(gnulib_dir); then \
722 case $$(echo all: | grep -l -f - Makefile) in Makefile);; *) \
723 echo '$(ME): skipping $@: you lack GNU grep' 1>&2; exit 0;; \
724 esac; \
725 $(def_sym_regex) | grep -E -f - $$($(VC_LIST_EXCEPT)) \
726 && { echo '$(ME): define the above via some gnulib .h file' \
727 1>&2; exit 1; } || :; \
728 fi
729 # ==================================================================
730
731 # Prohibit checked in backup files.
732 sc_prohibit_backup_files:
733 @$(VC_LIST) | grep '~$$' && \
734 { echo '$(ME): found version controlled backup file' 1>&2; \
735 exit 1; } || :
736
737 # Require the latest GPL.
738 sc_GPL_version:
739 @prohibit='either ''version [^3]' \
740 halt='GPL vN, N!=3' \
741 $(_sc_search_regexp)
742
743 # Require the latest GFDL. Two regexp, since some .texi files end up
744 # line wrapping between 'Free Documentation License,' and 'Version'.
745 _GFDL_regexp = (Free ''Documentation.*Version 1\.[^3]|Version 1\.[^3] or any)
746 sc_GFDL_version:
747 @prohibit='$(_GFDL_regexp)' \
748 halt='GFDL vN, N!=3' \
749 $(_sc_search_regexp)
750
751 # Don't use Texinfo's @acronym{}.
752 # http://lists.gnu.org/archive/html/bug-gnulib/2010-03/msg00321.html
753 texinfo_suffix_re_ ?= \.(txi|texi(nfo)?)$$
754 sc_texinfo_acronym:
755 @prohibit='@acronym\{' \
756 in_vc_files='$(texinfo_suffix_re_)' \
757 halt='found use of Texinfo @acronym{}' \
758 $(_sc_search_regexp)
759
760 cvs_keywords = \
761 Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State
762
763 sc_prohibit_cvs_keyword:
764 @prohibit='\$$($(cvs_keywords))\$$' \
765 halt='do not use CVS keyword expansion' \
766 $(_sc_search_regexp)
767
768 # This Perl code is slightly obfuscated. Not only is each "$" doubled
769 # because it's in a Makefile, but the $$c's are comments; we cannot
770 # use "#" due to the way the script ends up concatenated onto one line.
771 # It would be much more concise, and would produce better output (including
772 # counts) if written as:
773 # perl -ln -0777 -e '/\n(\n+)$/ and print "$ARGV: ".length $1' ...
774 # but that would be far less efficient, reading the entire contents
775 # of each file, rather than just the last two bytes of each.
776 #
777 # This is a perl script that is expected to be the single-quoted argument
778 # to a command-line "-le". The remaining arguments are file names.
779 # Print the name of each file that ends in two or more newline bytes.
780 # Exit nonzero if at least one such file is found, otherwise, exit 0.
781 # Warn about, but otherwise ignore open failure. Ignore seek/read failure.
782 #
783 # Use this if you want to remove trailing empty lines from selected files:
784 # perl -pi -0777 -e 's/\n\n+$/\n/' files...
785 #
786 detect_empty_lines_at_EOF_ = \
787 foreach my $$f (@ARGV) \
788 { \
789 open F, "<", $$f or (warn "failed to open $$f: $$!\n"), next; \
790 my $$p = sysseek (F, -2, 2); \
791 my $$c = "seek failure probably means file has < 2 bytes; ignore"; \
792 my $$last_two_bytes; \
793 defined $$p and $$p = sysread F, $$last_two_bytes, 2; \
794 close F; \
795 $$c = "ignore read failure"; \
796 $$p && $$last_two_bytes eq "\n\n" and (print $$f), $$fail=1; \
797 } \
798 END { exit defined $$fail }
799 sc_prohibit_empty_lines_at_EOF:
800 @perl -le '$(detect_empty_lines_at_EOF_)' $$($(VC_LIST_EXCEPT)) \
801 || { echo '$(ME): the above files end with empty line(s)' \
802 1>&2; exit 1; } || :; \
803
804 # Make sure we don't use st_blocks. Use ST_NBLOCKS instead.
805 # This is a bit of a kludge, since it prevents use of the string
806 # even in comments, but for now it does the job with no false positives.
807 sc_prohibit_stat_st_blocks:
808 @prohibit='[.>]st_blocks' \
809 halt='do not use st_blocks; use ST_NBLOCKS' \
810 $(_sc_search_regexp)
811
812 # Make sure we don't define any S_IS* macros in src/*.c files.
813 # They're already defined via gnulib's sys/stat.h replacement.
814 sc_prohibit_S_IS_definition:
815 @prohibit='^ *# *define *S_IS' \
816 halt='do not define S_IS* macros; include <sys/stat.h>' \
817 $(_sc_search_regexp)
818
819 _ptm1 = use "test C1 && test C2", not "test C1 -''a C2"
820 _ptm2 = use "test C1 || test C2", not "test C1 -''o C2"
821 # Using test's -a and -o operators is not portable.
822 # We prefer test over [, since the latter is spelled [[ in configure.ac.
823 sc_prohibit_test_minus_ao:
824 @prohibit='(\<test| \[+) .+ -[ao] ' \
825 halt='$(_ptm1); $(_ptm2)' \
826 $(_sc_search_regexp)
827
828 # Avoid a test bashism.
829 sc_prohibit_test_double_equal:
830 @prohibit='(\<test| \[+) .+ == ' \
831 containing='#! */bin/[a-z]*sh' \
832 halt='use "test x = x", not "test x =''= x"' \
833 $(_sc_search_regexp)
834
835 # Each program that uses proper_name_utf8 must link with one of the
836 # ICONV libraries. Otherwise, some ICONV library must appear in LDADD.
837 # The perl -0777 invocation below extracts the possibly-multi-line
838 # definition of LDADD from the appropriate Makefile.am and exits 0
839 # when it contains "ICONV".
840 sc_proper_name_utf8_requires_ICONV:
841 @progs=$$(grep -l 'proper_name_utf8 ''("' $$($(VC_LIST_EXCEPT)));\
842 if test "x$$progs" != x; then \
843 fail=0; \
844 for p in $$progs; do \
845 dir=$$(dirname "$$p"); \
846 perl -0777 \
847 -ne 'exit !(/^LDADD =(.+?[^\\]\n)/ms && $$1 =~ /ICONV/)' \
848 $$dir/Makefile.am && continue; \
849 base=$$(basename "$$p" .c); \
850 grep "$${base}_LDADD.*ICONV)" $$dir/Makefile.am > /dev/null \
851 || { fail=1; echo 1>&2 "$(ME): $$p uses proper_name_utf8"; }; \
852 done; \
853 test $$fail = 1 && \
854 { echo 1>&2 '$(ME): the above do not link with any ICONV library'; \
855 exit 1; } || :; \
856 fi
857
858 # Warn about "c0nst struct Foo const foo[]",
859 # but not about "char const *const foo" or "#define const const".
860 sc_redundant_const:
861 @prohibit='\bconst\b[[:space:][:alnum:]]{2,}\bconst\b' \
862 halt='redundant "const" in declarations' \
863 $(_sc_search_regexp)
864
865 sc_const_long_option:
866 @grep '^ *static.*struct option ' $$($(VC_LIST_EXCEPT)) \
867 | grep -Ev 'const struct option|struct option const' && { \
868 echo 1>&2 '$(ME): add "const" to the above declarations'; \
869 exit 1; } || :
870
871 NEWS_hash = \
872 $$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \
873 $(srcdir)/NEWS \
874 | perl -0777 -pe \
875 's/^Copyright.+?Free\sSoftware\sFoundation,\sInc\.\n//ms' \
876 | md5sum - \
877 | sed 's/ .*//')
878
879 # Ensure that we don't accidentally insert an entry into an old NEWS block.
880 sc_immutable_NEWS:
881 @if test -f $(srcdir)/NEWS; then \
882 test "$(NEWS_hash)" = '$(old_NEWS_hash)' && : || \
883 { echo '$(ME): you have modified old NEWS' 1>&2; exit 1; }; \
884 fi
885
886 # Update the hash stored above. Do this after each release and
887 # for any corrections to old entries.
888 update-NEWS-hash: NEWS
889 perl -pi -e 's/^(old_NEWS_hash[ \t]+:?=[ \t]+).*/$${1}'"$(NEWS_hash)/" \
890 $(srcdir)/cfg.mk
891
892 # Ensure that we use only the standard $(VAR) notation,
893 # not @...@ in Makefile.am, now that we can rely on automake
894 # to emit a definition for each substituted variable.
895 # We use perl rather than "grep -nE ..." to exempt a single
896 # use of an @...@-delimited variable name in src/Makefile.am.
897 # Allow the package to add exceptions via a hook in cfg.mk;
898 # for example, @PRAGMA_SYSTEM_HEADER@ can be permitted by
899 # setting this to ' && !/PRAGMA_SYSTEM_HEADER/'.
900 _makefile_at_at_check_exceptions ?=
901 sc_makefile_at_at_check:
902 @perl -ne '/\@[A-Z_0-9]+\@/'$(_makefile_at_at_check_exceptions) \
903 -e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}' \
904 $$($(VC_LIST_EXCEPT) | grep -E '(^|/)Makefile\.am$$') \
905 && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
906
907 news-check: NEWS
908 if sed -n $(news-check-lines-spec)p $(srcdir)/NEWS \
909 | grep -E $(news-check-regexp) >/dev/null; then \
910 :; \
911 else \
912 echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2; \
913 exit 1; \
914 fi
915
916 sc_makefile_TAB_only_indentation:
917 @prohibit='^ [ ]{8}' \
918 in_vc_files='akefile|\.mk$$' \
919 halt='found TAB-8-space indentation' \
920 $(_sc_search_regexp)
921
922 sc_m4_quote_check:
923 @prohibit='(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]' \
924 in_vc_files='(^configure\.ac|\.m4)$$' \
925 halt='quote the first arg to AC_DEF*' \
926 $(_sc_search_regexp)
927
928 fix_po_file_diag = \
929 'you have changed the set of files with translatable diagnostics;\n\
930 apply the above patch\n'
931
932 # Verify that all source files using _() are listed in po/POTFILES.in.
933 po_file = po/POTFILES.in
934 sc_po_check:
935 @if test -f $(po_file); then \
936 grep -E -v '^(#|$$)' $(po_file) \
937 | grep -v '^src/false\.c$$' | sort > $@-1; \
938 files=; \
939 for file in $$($(VC_LIST_EXCEPT)) lib/*.[ch]; do \
940 test -r $$file || continue; \
941 case $$file in \
942 *.m4|*.mk) continue ;; \
943 *.?|*.??) ;; \
944 *) continue;; \
945 esac; \
946 case $$file in \
947 *.[ch]) \
948 base=`expr " $$file" : ' \(.*\)\..'`; \
949 { test -f $$base.l || test -f $$base.y; } && continue;; \
950 esac; \
951 files="$$files $$file"; \
952 done; \
953 grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files \
954 | sort -u > $@-2; \
955 diff -u -L $(po_file) -L $(po_file) $@-1 $@-2 \
956 || { printf '$(ME): '$(fix_po_file_diag) 1>&2; exit 1; }; \
957 rm -f $@-1 $@-2; \
958 fi
959
960 # Sometimes it is useful to change the PATH environment variable
961 # in Makefiles. When doing so, it's better not to use the Unix-centric
962 # path separator of `:', but rather the automake-provided `$(PATH_SEPARATOR)'.
963 msg = '$(ME): Do not use `:'\'' above; use $$(PATH_SEPARATOR) instead'
964 sc_makefile_path_separator_check:
965 @prohibit='PATH[=].*:' \
966 in_vc_files='akefile|\.mk$$' \
967 halt=$(msg) \
968 $(_sc_search_regexp)
969
970 # Check that `make alpha' will not fail at the end of the process.
971 writable-files:
972 if test -d $(release_archive_dir); then :; else \
973 for file in $(distdir).tar.gz \
974 $(release_archive_dir)/$(distdir).tar.gz; do \
975 test -e $$file || continue; \
976 test -w $$file \
977 || { echo ERROR: $$file is not writable; fail=1; }; \
978 done; \
979 test "$$fail" && exit 1 || : ; \
980 fi
981
982 v_etc_file = $(gnulib_dir)/lib/version-etc.c
983 sample-test = tests/sample-test
984 texi = doc/$(PACKAGE).texi
985 # Make sure that the copyright date in $(v_etc_file) is up to date.
986 # Do the same for the $(sample-test) and the main doc/.texi file.
987 sc_copyright_check:
988 @require='enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' \
989 in_files=$(v_etc_file) \
990 halt='out of date copyright in $(v_etc_file); update it' \
991 $(_sc_search_regexp)
992 @require='# Copyright \(C\) '$$(date +%Y)' Free' \
993 in_vc_files=$(sample-test) \
994 halt='out of date copyright in $(sample-test); update it' \
995 $(_sc_search_regexp)
996 @require='Copyright @copyright\{\} .*'$$(date +%Y)' Free' \
997 in_vc_files=$(texi) \
998 halt='out of date copyright in $(texi); update it' \
999 $(_sc_search_regexp)
1000
1001 # If tests/help-version exists and seems to be new enough, assume that its
1002 # use of init.sh and path_prepend_ is correct, and ensure that every other
1003 # use of init.sh is identical.
1004 # This is useful because help-version cross-checks prog --version
1005 # with $(VERSION), which verifies that its path_prepend_ invocation
1006 # sets PATH correctly. This is an inexpensive way to ensure that
1007 # the other init.sh-using tests also get it right.
1008 _hv_file ?= $(srcdir)/tests/help-version
1009 _hv_regex_weak ?= ^ *\. .*/init\.sh"
1010 _hv_regex_strong ?= ^ *\. "\$${srcdir=\.}/init\.sh"
1011 sc_cross_check_PATH_usage_in_tests:
1012 @if test -f $(_hv_file); then \
1013 grep -l 'VERSION mismatch' $(_hv_file) >/dev/null \
1014 || { echo "$@: skipped: no such file: $(_hv_file)" 1>&2; \
1015 exit 0; }; \
1016 grep -lE '$(_hv_regex_strong)' $(_hv_file) >/dev/null \
1017 || { echo "$@: $(_hv_file) lacks conforming use of init.sh" 1>&2; \
1018 exit 1; }; \
1019 good=$$(grep -E '$(_hv_regex_strong)' $(_hv_file)); \
1020 grep -LFx "$$good" \
1021 $$(grep -lE '$(_hv_regex_weak)' $$($(VC_LIST_EXCEPT))) \
1022 | grep . && \
1023 { echo "$(ME): the above files use path_prepend_ inconsistently" \
1024 1>&2; exit 1; } || :; \
1025 fi
1026
1027 # #if HAVE_... will evaluate to false for any non numeric string.
1028 # That would be flagged by using -Wundef, however gnulib currently
1029 # tests many undefined macros, and so we can't enable that option.
1030 # So at least preclude common boolean strings as macro values.
1031 sc_Wundef_boolean:
1032 @prohibit='^#define.*(yes|no|true|false)$$' \
1033 in_files='$(CONFIG_INCLUDE)' \
1034 halt='Use 0 or 1 for macro values' \
1035 $(_sc_search_regexp)
1036
1037 sc_vulnerable_makefile_CVE-2009-4029:
1038 @prohibit='perm -777 -exec chmod a\+rwx|chmod 777 \$$\(distdir\)' \
1039 in_files=$$(find $(srcdir) -name Makefile.in) \
1040 halt=$$(printf '%s\n' \
1041 'the above files are vulnerable; beware of running' \
1042 ' "make dist*" rules, and upgrade to fixed automake' \
1043 ' see http://bugzilla.redhat.com/542609 for details') \
1044 $(_sc_search_regexp)
1045
1046 vc-diff-check:
1047 (unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || :
1048 if test -s vc-diffs; then \
1049 cat vc-diffs; \
1050 echo "Some files are locally modified:" 1>&2; \
1051 exit 1; \
1052 else \
1053 rm vc-diffs; \
1054 fi
1055
1056 rel-files = $(DIST_ARCHIVES)
1057
1058 gnulib_dir ?= $(srcdir)/gnulib
1059 gnulib-version = $$(cd $(gnulib_dir) && git describe)
1060 bootstrap-tools ?= autoconf,automake,gnulib
1061
1062 # If it's not already specified, derive the GPG key ID from
1063 # the signed tag we've just applied to mark this release.
1064 gpg_key_ID ?= \
1065 $$(git cat-file tag v$(VERSION) > .ann-sig \
1066 && gpgv .ann-sig - < /dev/null 2>&1 \
1067 | sed -n '/.*key ID \([0-9A-F]*\)/s//\1/p'; rm -f .ann-sig)
1068
1069 translation_project_ ?= coordinator@translationproject.org
1070 announcement_Cc_ ?= $(translation_project_), $(PACKAGE_BUGREPORT)
1071 announcement_mail_headers_ ?= \
1072 To: info-gnu@gnu.org \
1073 Cc: $(announcement_Cc_) \
1074 Mail-Followup-To: $(PACKAGE_BUGREPORT)
1075
1076 announcement: NEWS ChangeLog $(rel-files)
1077 @$(build_aux)/announce-gen \
1078 --mail-headers='$(announcement_mail_headers_)' \
1079 --release-type=$(RELEASE_TYPE) \
1080 --package=$(PACKAGE) \
1081 --prev=$(PREV_VERSION) \
1082 --curr=$(VERSION) \
1083 --gpg-key-id=$(gpg_key_ID) \
1084 --news=$(srcdir)/NEWS \
1085 --bootstrap-tools=$(bootstrap-tools) \
1086 --gnulib-version=$(gnulib-version) \
1087 --no-print-checksums \
1088 $(addprefix --url-dir=, $(url_dir_list))
1089
1090 ## ---------------- ##
1091 ## Updating files. ##
1092 ## ---------------- ##
1093
1094 ftp-gnu = ftp://ftp.gnu.org/gnu
1095 www-gnu = http://www.gnu.org
1096
1097 upload_dest_dir_ ?= $(PACKAGE)
1098 emit_upload_commands:
1099 @echo =====================================
1100 @echo =====================================
1101 @echo "$(build_aux)/gnupload $(GNUPLOADFLAGS) \\"
1102 @echo " --to $(gnu_rel_host):$(upload_dest_dir_) \\"
1103 @echo " $(rel-files)"
1104 @echo '# send the ~/announce-$(my_distdir) e-mail'
1105 @echo =====================================
1106 @echo =====================================
1107
1108 define emit-commit-log
1109 printf '%s\n' 'post-release administrivia' '' \
1110 '* NEWS: Add header line for next release.' \
1111 '* .prev-version: Record previous version.' \
1112 '* cfg.mk (old_NEWS_hash): Auto-update.'
1113 endef
1114
1115 .PHONY: no-submodule-changes
1116 no-submodule-changes:
1117 if test -d $(srcdir)/.git; then \
1118 diff=$$(cd $(srcdir) && git submodule -q foreach \
1119 git diff-index --name-only HEAD) \
1120 || exit 1; \
1121 case $$diff in '') ;; \
1122 *) echo '$(ME): submodule files are locally modified:'; \
1123 echo "$$diff"; exit 1;; esac; \
1124 else \
1125 : ; \
1126 fi
1127
1128 submodule-checks ?= no-submodule-changes public-submodule-commit
1129
1130 # Ensure that each sub-module commit we're using is public.
1131 # Without this, it is too easy to tag and release code that
1132 # cannot be built from a fresh clone.
1133 .PHONY: public-submodule-commit
1134 public-submodule-commit:
1135 $(AM_V_GEN)if test -d $(srcdir)/.git; then \
1136 cd $(srcdir) && \
1137 git submodule --quiet foreach test '$$(git rev-parse $$sha1)' \
1138 = '$$(git merge-base origin $$sha1)' \
1139 || { echo '$(ME): found non-public submodule commit' >&2; \
1140 exit 1; }; \
1141 else \
1142 : ; \
1143 fi
1144 # This rule has a high enough utility/cost ratio that it should be a
1145 # dependent of "check" by default. However, some of us do occasionally
1146 # commit a temporary change that deliberately points to a non-public
1147 # submodule commit, and want to be able to use rules like "make check".
1148 # In that case, run e.g., "make check gl_public_submodule_commit="
1149 # to disable this test.
1150 gl_public_submodule_commit ?= public-submodule-commit
1151 check: $(gl_public_submodule_commit)
1152
1153 .PHONY: alpha beta stable
1154 ALL_RECURSIVE_TARGETS += alpha beta stable
1155 alpha beta stable: $(local-check) writable-files $(submodule-checks)
1156 test $@ = stable \
1157 && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \
1158 || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\
1159 || :
1160 $(MAKE) vc-diff-check
1161 $(MAKE) news-check
1162 $(MAKE) distcheck
1163 $(MAKE) dist XZ_OPT=-9ev
1164 $(MAKE) $(release-prep-hook) RELEASE_TYPE=$@
1165 $(MAKE) -s emit_upload_commands RELEASE_TYPE=$@
1166
1167 # Override this in cfg.mk if you follow different procedures.
1168 release-prep-hook ?= release-prep
1169
1170 gl_noteworthy_news_ = * Noteworthy changes in release ?.? (????-??-??) [?]
1171 .PHONY: release-prep
1172 release-prep:
1173 case $$RELEASE_TYPE in alpha|beta|stable) ;; \
1174 *) echo "invalid RELEASE_TYPE: $$RELEASE_TYPE" 1>&2; exit 1;; esac
1175 $(MAKE) -s announcement > ~/announce-$(my_distdir)
1176 if test -d $(release_archive_dir); then \
1177 ln $(rel-files) $(release_archive_dir); \
1178 chmod a-w $(rel-files); \
1179 fi
1180 echo $(VERSION) > $(prev_version_file)
1181 $(MAKE) update-NEWS-hash
1182 perl -pi -e '$$. == 3 and print "$(gl_noteworthy_news_)\n\n\n"' NEWS
1183 $(emit-commit-log) > .ci-msg
1184 $(VC) commit -F .ci-msg -a
1185 rm .ci-msg
1186
1187 # Override this with e.g., -s $(srcdir)/some_other_name.texi
1188 # if the default $(PACKAGE)-derived name doesn't apply.
1189 gendocs_options_ ?=
1190
1191 .PHONY: web-manual
1192 web-manual:
1193 @test -z "$(manual_title)" \
1194 && { echo define manual_title in cfg.mk 1>&2; exit 1; } || :
1195 @cd '$(srcdir)/doc'; \
1196 $(SHELL) ../build-aux/gendocs.sh $(gendocs_options_) \
1197 -o '$(abs_builddir)/doc/manual' \
1198 --email $(PACKAGE_BUGREPORT) $(PACKAGE) \
1199 "$(PACKAGE_NAME) - $(manual_title)"
1200 @echo " *** Upload the doc/manual directory to web-cvs."
1201
1202 # Code Coverage
1203
1204 init-coverage:
1205 $(MAKE) $(AM_MAKEFLAGS) clean
1206 lcov --directory . --zerocounters
1207
1208 COVERAGE_CCOPTS ?= "-g --coverage"
1209 COVERAGE_OUT ?= doc/coverage
1210
1211 build-coverage:
1212 $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS)
1213 $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) check
1214 mkdir -p $(COVERAGE_OUT)
1215 lcov --directory . --output-file $(COVERAGE_OUT)/$(PACKAGE).info \
1216 --capture
1217
1218 gen-coverage:
1219 genhtml --output-directory $(COVERAGE_OUT) \
1220 $(COVERAGE_OUT)/$(PACKAGE).info \
1221 --highlight --frames --legend \
1222 --title "$(PACKAGE_NAME)"
1223
1224 coverage: init-coverage build-coverage gen-coverage
1225
1226 # Update gettext files.
1227 PACKAGE ?= $(shell basename $(PWD))
1228 PO_DOMAIN ?= $(PACKAGE)
1229 POURL = http://translationproject.org/latest/$(PO_DOMAIN)/
1230 PODIR ?= po
1231 refresh-po:
1232 rm -f $(PODIR)/*.po && \
1233 echo "$(ME): getting translations into po (please ignore the robots.txt ERROR 404)..." && \
1234 wget --no-verbose --directory-prefix $(PODIR) --no-directories --recursive --level 1 --accept .po --accept .po.1 $(POURL) && \
1235 echo 'en@boldquot' > $(PODIR)/LINGUAS && \
1236 echo 'en@quot' >> $(PODIR)/LINGUAS && \
1237 ls $(PODIR)/*.po | sed 's/\.po//' | sed 's,$(PODIR)/,,' | sort >> $(PODIR)/LINGUAS
1238
1239 # Running indent once is not idempotent, but running it twice is.
1240 INDENT_SOURCES ?= $(C_SOURCES)
1241 .PHONY: indent
1242 indent:
1243 indent $(INDENT_SOURCES)
1244 indent $(INDENT_SOURCES)
1245
1246 # If you want to set UPDATE_COPYRIGHT_* environment variables,
1247 # put the assignments in this variable.
1248 update-copyright-env ?=
1249
1250 # Run this rule once per year (usually early in January)
1251 # to update all FSF copyright year lists in your project.
1252 # If you have an additional project-specific rule,
1253 # add it in cfg.mk along with a line 'update-copyright: prereq'.
1254 # By default, exclude all variants of COPYING; you can also
1255 # add exemptions (such as ChangeLog..* for rotated change logs)
1256 # in the file .x-update-copyright.
1257 .PHONY: update-copyright
1258 update-copyright:
1259 grep -l -w Copyright \
1260 $$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \
1261 | $(update-copyright-env) xargs $(build_aux)/$@
Unnamed repository; edit this file 'description' to name the repository.