2 # This Makefile fragment tries to be general-purpose enough to be
3 # used by many projects via the gnulib maintainer-makefile module.
5 ## Copyright (C) 2001-2016 Free Software Foundation, Inc.
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.
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.
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/>.
20 # This is reported not to work with make-3.79.1
21 # ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
26 _sp = $(_empty) $(_empty)
30 # If S1 == S2, return S1, otherwise the empty string.
31 _equal = $(and $(findstring $(1),$(2)),$(findstring $(2),$(1)))
33 # member-check,VARIABLE,VALID-VALUES
34 # ----------------------------------
35 # Check that $(VARIABLE) is in the space-separated list of VALID-VALUES, and
36 # return it. Die otherwise.
40 $(if $(findstring $(_sp),$($(1))), \
41 $(error invalid $(1): '$($(1))', expected $(2)), \
42 $(or $(findstring $(_sp)$($(1))$(_sp),$(_sp)$(2)$(_sp)), \
43 $(error invalid $(1): '$($(1))', expected $(2)))), \
44 $(error $(1) undefined)))
46 # Do not save the original name or timestamp in the .tar.gz file.
47 # Use --rsyncable if available.
49 $(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null \
50 && printf %s --rsyncable)
51 GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
56 VC_LIST = $(srcdir)/$(_build-aux)/vc-list-files -C $(srcdir)
58 # You can override this variable in cfg.mk to set your own regexp
59 # matching files to ignore.
60 VC_LIST_ALWAYS_EXCLUDE_REGEX ?= ^$$
62 # This is to preprocess robustly the output of $(VC_LIST), so that even
63 # when $(srcdir) is a pathological name like "....", the leading sed command
64 # removes only the intended prefix.
65 _dot_escaped_srcdir = $(subst .,\.,$(srcdir))
67 # Post-process $(VC_LIST) output, prepending $(srcdir)/, but only
68 # when $(srcdir) is not ".".
70 _prepend_srcdir_prefix =
72 _prepend_srcdir_prefix = | $(SED) 's|^|$(srcdir)/|'
75 # In order to be able to consistently filter "."-relative names,
76 # (i.e., with no $(srcdir) prefix), this definition is careful to
77 # remove any $(srcdir) prefix, and to restore what it removes.
79 $(or $(exclude_file_name_regexp--$@),^$$)
81 $(VC_LIST) | $(SED) 's|^$(_dot_escaped_srcdir)/||' \
82 | if test -f $(srcdir)/.x-$@; then grep -vEf $(srcdir)/.x-$@; \
83 else grep -Ev -e "$${VC_LIST_EXCEPT_DEFAULT-ChangeLog}"; fi \
84 | grep -Ev -e '($(VC_LIST_ALWAYS_EXCLUDE_REGEX)|$(_sc_excl))' \
85 $(_prepend_srcdir_prefix)
87 ifeq ($(origin prev_version_file), undefined)
88 prev_version_file = $(srcdir)/.prev-version
91 PREV_VERSION := $(shell cat $(prev_version_file) 2>/dev/null)
92 VERSION_REGEXP = $(subst .,\.,$(VERSION))
93 PREV_VERSION_REGEXP = $(subst .,\.,$(PREV_VERSION))
96 this-vc-tag = v$(VERSION)
97 this-vc-tag-regexp = v$(VERSION_REGEXP)
99 tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')
100 tag-this-version = $(subst .,_,$(VERSION))
101 this-vc-tag = $(tag-package)-$(tag-this-version)
102 this-vc-tag-regexp = $(this-vc-tag)
104 my_distdir = $(PACKAGE)-$(VERSION)
106 # Old releases are stored here.
107 release_archive_dir ?= ../release
109 # If RELEASE_TYPE is undefined, but RELEASE is, use its second word.
110 # But overwrite VERSION.
112 VERSION := $(word 1, $(RELEASE))
113 RELEASE_TYPE ?= $(word 2, $(RELEASE))
116 # Validate and return $(RELEASE_TYPE), or die.
117 RELEASE_TYPES = alpha beta stable
118 release-type = $(call member-check,RELEASE_TYPE,$(RELEASE_TYPES))
120 # Override gnu_rel_host and url_dir_list in cfg.mk if these are not right.
121 # Use alpha.gnu.org for alpha and beta releases.
122 # Use ftp.gnu.org for stable releases.
123 gnu_ftp_host-alpha = alpha.gnu.org
124 gnu_ftp_host-beta = alpha.gnu.org
125 gnu_ftp_host-stable = ftp.gnu.org
126 gnu_rel_host ?= $(gnu_ftp_host-$(release-type))
128 url_dir_list ?= $(if $(call _equal,$(gnu_rel_host),ftp.gnu.org), \
129 http://ftpmirror.gnu.org/$(PACKAGE), \
130 ftp://$(gnu_rel_host)/gnu/$(PACKAGE))
132 # Override this in cfg.mk if you are using a different format in your
134 today = $(shell date +%Y-%m-%d)
136 # Select which lines of NEWS are searched for $(news-check-regexp).
137 # This is a sed line number spec. The default says that we search
138 # lines 1..10 of NEWS for $(news-check-regexp).
139 # If you want to search only line 3 or only lines 20-22, use "3" or "20,22".
140 news-check-lines-spec ?= 1,10
141 news-check-regexp ?= '^\*.* $(VERSION_REGEXP) \($(today)\)'
143 # Prevent programs like 'sort' from considering distinct strings to be equal.
144 # Doing it here saves us from having to set LC_ALL elsewhere in this file.
147 ## --------------- ##
149 ## --------------- ##
151 ifneq ($(_gl-Makefile),)
152 _cfg_mk := $(wildcard $(srcdir)/cfg.mk)
154 # Collect the names of rules starting with 'sc_'.
155 syntax-check-rules := $(sort $(shell $(SED) -n \
156 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' $(srcdir)/$(ME) $(_cfg_mk)))
157 .PHONY: $(syntax-check-rules)
159 ifeq ($(shell $(VC_LIST) >/dev/null 2>&1; echo $$?),0)
160 local-checks-available += $(syntax-check-rules)
162 local-checks-available += no-vc-detected
164 @echo "No version control files detected; skipping syntax check"
166 .PHONY: $(local-checks-available)
168 # Arrange to print the name of each syntax-checking rule just before running it.
169 $(syntax-check-rules): %: %.m
170 sc_m_rules_ = $(patsubst %, %.m, $(syntax-check-rules))
171 .PHONY: $(sc_m_rules_)
173 @echo $(patsubst sc_%.m, %, $@)
174 @date +%s.%N > .sc-start-$(basename $@)
176 # Compute and print the elapsed time for each syntax-check rule.
177 sc_z_rules_ = $(patsubst %, %.z, $(syntax-check-rules))
178 .PHONY: $(sc_z_rules_)
179 $(sc_z_rules_): %.z: %
180 @end=$$(date +%s.%N); \
181 start=$$(cat .sc-start-$*); \
182 rm -f .sc-start-$*; \
183 awk -v s=$$start -v e=$$end \
184 'END {printf "%.2f $(patsubst sc_%,%,$*)\n", e - s}' < /dev/null
186 # The patsubst here is to replace each sc_% rule with its sc_%.z wrapper
187 # that computes and prints elapsed time.
189 $(patsubst sc_%, sc_%.z, \
190 $(filter-out $(local-checks-to-skip), $(local-checks-available)))
192 syntax-check: $(local-check)
197 # This macro searches for a given construct in the selected files and
198 # then takes some action.
200 # Parameters (shell variables):
204 # Regular expression (ERE) denoting either a forbidden construct
205 # or a required construct. Those arguments are exclusive.
209 # Regular expression (ERE) denoting lines to ignore that matched
210 # a prohibit construct. For example, this can be used to exclude
211 # comments that mention why the nearby code uses an alternative
212 # construct instead of the simpler prohibited construct.
214 # in_vc_files | in_files
216 # grep-E-style regexp selecting the files to check. For in_vc_files,
217 # the regexp is used to select matching files from the list of all
218 # version-controlled files; for in_files, it's from the names printed
219 # by "find $(srcdir)". When neither is specified, use all files that
220 # are under version control.
222 # containing | non_containing
224 # Select the files (non) containing strings matching this regexp.
225 # If both arguments are specified then CONTAINING takes
230 # Extra options for grep.
238 # Message to display before to halting execution.
240 # Finally, you may exempt files based on an ERE matching file names.
241 # For example, to exempt from the sc_space_tab check all files with the
242 # .diff suffix, set this Make variable:
244 # exclude_file_name_regexp--sc_space_tab = \.diff$
246 # Note that while this functionality is mostly inherited via VC_LIST_EXCEPT,
247 # when filtering by name via in_files, we explicitly filter out matching
248 # names here as well.
250 # Initialize each, so that envvar settings cannot interfere.
257 export non_containing =
259 export with_grep_options =
261 # By default, _sc_search_regexp does not ignore case.
263 _ignore_case = $$(test -n "$$ignore_case" && printf %s -i || :)
265 define _sc_say_and_exit
266 dummy=; : so we do not need a semicolon before each use; \
267 { printf '%s\n' "$(ME): $$msg" 1>&2; exit 1; };
270 define _sc_search_regexp
271 dummy=; : so we do not need a semicolon before each use; \
274 test -n "$$prohibit" && test -n "$$require" \
275 && { msg='Cannot specify both prohibit and require' \
276 $(_sc_say_and_exit) } || :; \
277 test -z "$$prohibit" && test -z "$$require" \
278 && { msg='Should specify either prohibit or require' \
279 $(_sc_say_and_exit) } || :; \
280 test -z "$$prohibit" && test -n "$$exclude" \
281 && { msg='Use of exclude requires a prohibit pattern' \
282 $(_sc_say_and_exit) } || :; \
283 test -n "$$in_vc_files" && test -n "$$in_files" \
284 && { msg='Cannot specify both in_vc_files and in_files' \
285 $(_sc_say_and_exit) } || :; \
286 test "x$$halt" != x \
287 || { msg='halt not defined' $(_sc_say_and_exit) }; \
289 : Filter by file name; \
290 if test -n "$$in_files"; then \
291 files=$$(find $(srcdir) | grep -E "$$in_files" \
292 | grep -Ev '$(_sc_excl)'); \
294 files=$$($(VC_LIST_EXCEPT)); \
295 if test -n "$$in_vc_files"; then \
296 files=$$(echo "$$files" | grep -E "$$in_vc_files"); \
300 : Filter by content; \
301 test -n "$$files" && test -n "$$containing" \
302 && { files=$$(grep -l "$$containing" $$files); } || :; \
303 test -n "$$files" && test -n "$$non_containing" \
304 && { files=$$(grep -vl "$$non_containing" $$files); } || :; \
306 : Check for the construct; \
307 if test -n "$$files"; then \
308 if test -n "$$prohibit"; then \
309 grep $$with_grep_options $(_ignore_case) -nE "$$prohibit" $$files \
310 | grep -vE "$${exclude:-^$$}" \
311 && { msg="$$halt" $(_sc_say_and_exit) } || :; \
313 grep $$with_grep_options $(_ignore_case) -LE "$$require" $$files \
315 && { msg="$$halt" $(_sc_say_and_exit) } || :; \
321 sc_avoid_if_before_free:
322 @$(srcdir)/$(_build-aux)/useless-if-before-free \
323 $(useless_free_options) \
324 $$($(VC_LIST_EXCEPT) | grep -v useless-if-before-free) && \
325 { echo '$(ME): found useless "if" before "free" above' 1>&2; \
328 sc_cast_of_argument_to_free:
329 @prohibit='\<free *\( *\(' halt="don't cast free argument" \
332 sc_cast_of_x_alloc_return_value:
333 @prohibit='\*\) *x(m|c|re)alloc\>' \
334 halt="don't cast x*alloc return value" \
337 sc_cast_of_alloca_return_value:
338 @prohibit='\*\) *alloca\>' \
339 halt="don't cast alloca return value" \
344 halt='found SPACE-TAB sequence; remove the SPACE' \
347 # Don't use *scanf or the old ato* functions in "real" code.
348 # They provide no error checking mechanism.
349 # Instead, use strto* functions.
350 sc_prohibit_atoi_atof:
351 @prohibit='\<([fs]?scanf|ato([filq]|ll)) *\(' \
352 halt='do not use *scan''f, ato''f, ato''i, ato''l, ato''ll or ato''q' \
355 # Use STREQ rather than comparing strcmp == 0, or != 0.
358 @prohibit='! *strcmp *\(|\<$(sp_) *[!=]=|[!=]= *$(sp_)' \
359 exclude='# *define STRN?EQ\(' \
360 halt='replace strcmp calls above with STREQ/STRNEQ' \
363 # Really. You don't want to use this function.
364 # It may fail to NUL-terminate the destination,
365 # and always NUL-pads out to the specified length.
367 @prohibit='\<strncpy *\(' \
368 halt='do not use strncpy, period' \
371 # Pass EXIT_*, not number, to usage, exit, and error (when exiting)
372 # Convert all uses automatically, via these two commands:
373 # git grep -l '\<exit *(1)' \
374 # | grep -vEf .x-sc_prohibit_magic_number_exit \
375 # | xargs --no-run-if-empty \
376 # perl -pi -e 's/(^|[^.])\b(exit ?)\(1\)/$1$2(EXIT_FAILURE)/'
377 # git grep -l '\<exit *(0)' \
378 # | grep -vEf .x-sc_prohibit_magic_number_exit \
379 # | xargs --no-run-if-empty \
380 # perl -pi -e 's/(^|[^.])\b(exit ?)\(0\)/$1$2(EXIT_SUCCESS)/'
381 sc_prohibit_magic_number_exit:
382 @prohibit='(^|[^.])\<(usage|exit|error) ?\(-?[0-9]+[,)]' \
383 exclude='exit \(77\)|error ?\(((0|77),|[^,]*)' \
384 halt='use EXIT_* values rather than magic number' \
387 # Using EXIT_SUCCESS as the first argument to error is misleading,
388 # since when that parameter is 0, error does not exit. Use '0' instead.
389 sc_error_exit_success:
390 @prohibit='error *\(EXIT_SUCCESS,' \
391 in_vc_files='\.[chly]$$' \
392 halt='found error (EXIT_SUCCESS' \
395 # "FATAL:" should be fully upper-cased in error messages
396 # "WARNING:" should be fully upper-cased, or fully lower-cased
397 sc_error_message_warn_fatal:
398 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
399 | grep -E '"Warning|"Fatal|"fatal' && \
400 { echo '$(ME): use FATAL, WARNING or warning' 1>&2; \
403 # Error messages should not start with a capital letter
404 sc_error_message_uppercase:
405 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
407 | grep -vE '"FATAL|"WARNING|"Java|"C#|PRIuMAX' && \
408 { echo '$(ME): found capitalized error message' 1>&2; \
411 # Error messages should not end with a period
412 sc_error_message_period:
413 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \
414 | grep -E '[^."]\."' && \
415 { echo '$(ME): found error message ending in period' 1>&2; \
419 @prohibit=file''system \
421 halt='found use of "file''system"; spell it "file system"' \
424 # Don't use cpp tests of this symbol. All code assumes config.h is included.
425 sc_prohibit_have_config_h:
426 @prohibit='^# *if.*HAVE''_CONFIG_H' \
427 halt='found use of HAVE''_CONFIG_H; remove' \
430 # Nearly all .c files must include <config.h>. However, we also permit this
431 # via inclusion of a package-specific header, if cfg.mk specified one.
432 # config_h_header must be suitable for grep -E.
433 config_h_header ?= <config\.h>
435 @require='^# *include $(config_h_header)' \
436 in_vc_files='\.c$$' \
437 halt='the above files do not include <config.h>' \
440 # You must include <config.h> before including any other header file.
441 # This can possibly be via a package-specific header, if given by cfg.mk.
442 sc_require_config_h_first:
443 @if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
445 for i in $$($(VC_LIST_EXCEPT) | grep '\.c$$'); do \
446 grep '^# *include\>' $$i | $(SED) 1q \
447 | grep -E '^# *include $(config_h_header)' > /dev/null \
448 || { echo $$i; fail=1; }; \
451 { echo '$(ME): the above files include some other header' \
452 'before <config.h>' 1>&2; exit 1; } || :; \
456 sc_prohibit_HAVE_MBRTOWC:
457 @prohibit='\bHAVE_MBRTOWC\b' \
458 halt="do not use $$prohibit; it is always defined" \
461 # To use this "command" macro, you must first define two shell variables:
462 # h: the header name, with no enclosing <> or ""
463 # re: a regular expression that matches IFF something provided by $h is used.
464 define _sc_header_without_use
465 dummy=; : so we do not need a semicolon before each use; \
466 h_esc=`echo '[<"]'"$$h"'[">]'|$(SED) 's/\./\\\\./g'`; \
467 if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
468 files=$$(grep -l '^# *include '"$$h_esc" \
469 $$($(VC_LIST_EXCEPT) | grep '\.c$$')) && \
470 grep -LE "$$re" $$files | grep . && \
471 { echo "$(ME): the above files include $$h but don't use it" \
472 1>&2; exit 1; } || :; \
477 # Prohibit the inclusion of assert.h without an actual use of assert.
478 sc_prohibit_assert_without_use:
479 @h='assert.h' re='\<assert *\(' $(_sc_header_without_use)
481 # Prohibit the inclusion of close-stream.h without an actual use.
482 sc_prohibit_close_stream_without_use:
483 @h='close-stream.h' re='\<close_stream *\(' $(_sc_header_without_use)
485 # Prohibit the inclusion of getopt.h without an actual use.
486 sc_prohibit_getopt_without_use:
487 @h='getopt.h' re='\<getopt(_long)? *\(' $(_sc_header_without_use)
489 # Don't include quotearg.h unless you use one of its functions.
490 sc_prohibit_quotearg_without_use:
491 @h='quotearg.h' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use)
493 # Don't include quote.h unless you use one of its functions.
494 sc_prohibit_quote_without_use:
495 @h='quote.h' re='\<quote((_n)? *\(|_quoting_options\>)' \
496 $(_sc_header_without_use)
498 # Don't include this header unless you use one of its functions.
499 sc_prohibit_long_options_without_use:
500 @h='long-options.h' re='\<parse_long_options *\(' \
501 $(_sc_header_without_use)
503 # Don't include this header unless you use one of its functions.
504 sc_prohibit_inttostr_without_use:
505 @h='inttostr.h' re='\<(off|[iu]max|uint)tostr *\(' \
506 $(_sc_header_without_use)
508 # Don't include this header unless you use one of its functions.
509 sc_prohibit_ignore_value_without_use:
510 @h='ignore-value.h' re='\<ignore_(value|ptr) *\(' \
511 $(_sc_header_without_use)
513 # Don't include this header unless you use one of its functions.
514 sc_prohibit_error_without_use:
516 re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\
517 $(_sc_header_without_use)
519 # Don't include xalloc.h unless you use one of its functions.
520 # Consider these symbols:
521 # perl -lne '/^# *define (\w+)\(/ and print $1' lib/xalloc.h|grep -v '^__';
522 # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/xalloc.h
523 # Divide into two sets on case, and filter each through this:
524 # | sort | perl -MRegexp::Assemble -le \
525 # 'print Regexp::Assemble->new(file => "/dev/stdin")->as_string'|sed 's/\?://g'
526 # Note this was produced by the above:
528 #x(((2n?)?re|c(har)?|n(re|m)|z)alloc|alloc_(oversized|die)|m(alloc|emdup)|strdup)
529 # But we can do better, in at least two ways:
530 # 1) take advantage of two "dup"-suffixed strings:
531 # x(((2n?)?re|c(har)?|n(re|m)|[mz])alloc|alloc_(oversized|die)|(mem|str)dup)
532 # 2) notice that "c(har)?|[mz]" is equivalent to the shorter and more readable
534 # x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup)
535 _xa1 = x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup)
536 _xa2 = X([CZ]|N?M)ALLOC
537 sc_prohibit_xalloc_without_use:
539 re='\<($(_xa1)|$(_xa2)) *\('\
540 $(_sc_header_without_use)
542 # Extract function names:
543 # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/hash.h
545 clear|delete|free|get_(first|next)|insert|lookup|print_statistics|reset_tuning
546 _hash_fn = \<($(_hash_re)) *\(
547 _hash_struct = (struct )?\<[Hh]ash_(table|tuning)\>
548 sc_prohibit_hash_without_use:
550 re='$(_hash_fn)|$(_hash_struct)'\
551 $(_sc_header_without_use)
553 sc_prohibit_cloexec_without_use:
554 @h='cloexec.h' re='\<(set_cloexec_flag|dup_cloexec) *\(' \
555 $(_sc_header_without_use)
557 sc_prohibit_posixver_without_use:
558 @h='posixver.h' re='\<posix2_version *\(' $(_sc_header_without_use)
560 sc_prohibit_same_without_use:
561 @h='same.h' re='\<same_name *\(' $(_sc_header_without_use)
563 sc_prohibit_hash_pjw_without_use:
566 $(_sc_header_without_use)
568 sc_prohibit_safe_read_without_use:
569 @h='safe-read.h' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
570 $(_sc_header_without_use)
572 sc_prohibit_argmatch_without_use:
574 re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<(invalid_arg|argmatch(_exit_fn|_(in)?valid)?) *\()' \
575 $(_sc_header_without_use)
577 sc_prohibit_canonicalize_without_use:
578 @h='canonicalize.h' \
579 re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode|file_name)' \
580 $(_sc_header_without_use)
582 sc_prohibit_root_dev_ino_without_use:
583 @h='root-dev-ino.h' \
584 re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \
585 $(_sc_header_without_use)
587 sc_prohibit_openat_without_use:
589 re='\<(openat_(permissive|needs_fchdir|(save|restore)_fail)|l?(stat|ch(own|mod))at|(euid)?accessat|(FCHMOD|FCHOWN|STAT)AT_INLINE)\>' \
590 $(_sc_header_without_use)
592 # Prohibit the inclusion of c-ctype.h without an actual use.
593 ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
594 |isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper
595 sc_prohibit_c_ctype_without_use:
596 @h='c-ctype.h' re='\<c_($(ctype_re)) *\(' \
597 $(_sc_header_without_use)
599 # The following list was generated by running:
600 # man signal.h|col -b|perl -ne '/bsd_signal.*;/.../sigwaitinfo.*;/ and print' \
601 # | perl -lne '/^\s+(?:int|void).*?(\w+).*/ and print $1' | fmt
603 bsd_signal kill killpg pthread_kill pthread_sigmask raise sigaction \
604 sigaddset sigaltstack sigdelset sigemptyset sigfillset sighold sigignore \
605 siginterrupt sigismember signal sigpause sigpending sigprocmask sigqueue \
606 sigrelse sigset sigsuspend sigtimedwait sigwait sigwaitinfo
607 _sig_function_re = $(subst $(_sp),|,$(strip $(_sig_functions)))
608 # The following were extracted from "man signal.h" manually.
609 _sig_types_and_consts = \
610 MINSIGSTKSZ SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK \
611 SA_RESETHAND SA_RESTART SA_SIGINFO SIGEV_NONE SIGEV_SIGNAL \
612 SIGEV_THREAD SIGSTKSZ SIG_BLOCK SIG_SETMASK SIG_UNBLOCK SS_DISABLE \
613 SS_ONSTACK mcontext_t pid_t sig_atomic_t sigevent siginfo_t sigset_t \
614 sigstack sigval stack_t ucontext_t
615 # generated via this:
616 # perl -lne '/^#ifdef (SIG\w+)/ and print $1' lib/sig2str.c|sort -u|fmt -70
618 SIGABRT SIGALRM SIGALRM1 SIGBUS SIGCANCEL SIGCHLD SIGCLD SIGCONT \
619 SIGDANGER SIGDIL SIGEMT SIGFPE SIGFREEZE SIGGRANT SIGHUP SIGILL \
620 SIGINFO SIGINT SIGIO SIGIOT SIGKAP SIGKILL SIGKILLTHR SIGLOST SIGLWP \
621 SIGMIGRATE SIGMSG SIGPHONE SIGPIPE SIGPOLL SIGPRE SIGPROF SIGPWR \
622 SIGQUIT SIGRETRACT SIGSAK SIGSEGV SIGSOUND SIGSTKFLT SIGSTOP SIGSYS \
623 SIGTERM SIGTHAW SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGURG SIGUSR1 \
624 SIGUSR2 SIGVIRT SIGVTALRM SIGWAITING SIGWINCH SIGWIND SIGWINDOW \
626 _sig_syms_re = $(subst $(_sp),|,$(strip $(_sig_names) $(_sig_types_and_consts)))
628 # Prohibit the inclusion of signal.h without an actual use.
629 sc_prohibit_signal_without_use:
631 re='\<($(_sig_function_re)) *\(|\<($(_sig_syms_re))\>' \
632 $(_sc_header_without_use)
634 # Don't include stdio--.h unless you use one of its functions.
635 sc_prohibit_stdio--_without_use:
636 @h='stdio--.h' re='\<((f(re)?|p)open|tmpfile) *\(' \
637 $(_sc_header_without_use)
639 # Don't include stdio-safer.h unless you use one of its functions.
640 sc_prohibit_stdio-safer_without_use:
641 @h='stdio-safer.h' re='\<((f(re)?|p)open|tmpfile)_safer *\(' \
642 $(_sc_header_without_use)
644 # Prohibit the inclusion of strings.h without a sensible use.
645 # Using the likes of bcmp, bcopy, bzero, index or rindex is not sensible.
646 sc_prohibit_strings_without_use:
648 re='\<(strn?casecmp|ffs(ll)?)\>' \
649 $(_sc_header_without_use)
651 # Get the list of symbol names with this:
652 # perl -lne '/^# *define ([A-Z]\w+)\(/ and print $1' lib/intprops.h|fmt
654 TYPE_IS_INTEGER TYPE_SIGNED TYPE_MINIMUM TYPE_MAXIMUM \
655 INT_BITS_STRLEN_BOUND INT_STRLEN_BOUND INT_BUFSIZE_BOUND \
656 INT_ADD_RANGE_OVERFLOW INT_SUBTRACT_RANGE_OVERFLOW \
657 INT_NEGATE_RANGE_OVERFLOW INT_MULTIPLY_RANGE_OVERFLOW \
658 INT_DIVIDE_RANGE_OVERFLOW INT_REMAINDER_RANGE_OVERFLOW \
659 INT_LEFT_SHIFT_RANGE_OVERFLOW INT_ADD_OVERFLOW INT_SUBTRACT_OVERFLOW \
660 INT_NEGATE_OVERFLOW INT_MULTIPLY_OVERFLOW INT_DIVIDE_OVERFLOW \
661 INT_REMAINDER_OVERFLOW INT_LEFT_SHIFT_OVERFLOW
662 _intprops_syms_re = $(subst $(_sp),|,$(strip $(_intprops_names)))
663 # Prohibit the inclusion of intprops.h without an actual use.
664 sc_prohibit_intprops_without_use:
666 re='\<($(_intprops_syms_re)) *\(' \
667 $(_sc_header_without_use)
669 _stddef_syms_re = NULL|offsetof|ptrdiff_t|size_t|wchar_t
670 # Prohibit the inclusion of stddef.h without an actual use.
671 sc_prohibit_stddef_without_use:
673 re='\<($(_stddef_syms_re))\>' \
674 $(_sc_header_without_use)
676 _de1 = dirfd|(close|(fd)?open|read|rewind|seek|tell)dir(64)?(_r)?
677 _de2 = (versionsort|struct dirent|getdirentries|alphasort|scandir(at)?)(64)?
678 _de3 = MAXNAMLEN|DIR|ino_t|d_ino|d_fileno|d_namlen
679 _dirent_syms_re = $(_de1)|$(_de2)|$(_de3)
680 # Prohibit the inclusion of dirent.h without an actual use.
681 sc_prohibit_dirent_without_use:
683 re='\<($(_dirent_syms_re))\>' \
684 $(_sc_header_without_use)
686 # Prohibit the inclusion of verify.h without an actual use.
687 sc_prohibit_verify_without_use:
689 re='\<(verify(true|expr)?|static_assert) *\(' \
690 $(_sc_header_without_use)
692 # Don't include xfreopen.h unless you use one of its functions.
693 sc_prohibit_xfreopen_without_use:
694 @h='xfreopen.h' re='\<xfreopen *\(' $(_sc_header_without_use)
697 @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \
698 halt='do not use HAVE''_FCNTL_H or O'_NDELAY \
701 # FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
703 # Each nonempty ChangeLog line must start with a year number, or a TAB.
705 @prohibit='^[^12 ]' \
706 in_vc_files='^ChangeLog$$' \
707 halt='found unexpected prefix in a ChangeLog' \
710 # Ensure that each .c file containing a "main" function also
711 # calls set_program_name.
713 @require='set_program_name *\(.*\);' \
714 in_vc_files='\.c$$' \
715 containing='\<main *(' \
716 halt='the above files do not call set_program_name' \
719 # Ensure that each .c file containing a "main" function also
720 # calls bindtextdomain.
722 @require='bindtextdomain *\(' \
723 in_vc_files='\.c$$' \
724 containing='\<main *(' \
725 halt='the above files do not call bindtextdomain' \
728 # Require that the final line of each test-lib.sh-using test be this one:
730 # Note: this test requires GNU grep's --label= option.
731 Exit_witness_file ?= tests/test-lib.sh
732 Exit_base := $(notdir $(Exit_witness_file))
733 sc_require_test_exit_idiom:
734 @if test -f $(srcdir)/$(Exit_witness_file); then \
736 for i in $$(grep -l -F 'srcdir/$(Exit_base)' \
737 $$($(VC_LIST) tests)); do \
738 tail -n1 $$i | grep '^Exit .' > /dev/null \
739 && : || { die=1; echo $$i; } \
742 { echo 1>&2 '$(ME): the final line in each of the above is not:'; \
743 echo 1>&2 'Exit something'; \
749 halt='found trailing blank(s)' \
750 exclude='^Binary file .* matches$$' \
753 # Match lines like the following, but where there is only one space
754 # between the options and the description:
755 # -D, --all-repeated[=delimit-method] print all duplicate lines\n
756 longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)?
757 sc_two_space_separator_in_usage:
758 @prohibit='^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \
759 halt='help2man requires at least two spaces between an option and its description'\
762 # A regexp matching function names like "error" that may be used
763 # to emit translatable messages.
764 _gl_translatable_diag_func_re ?= error
766 # Look for diagnostics that aren't marked for translation.
767 # This won't find any for which error's format string is on a separate line.
768 sc_unmarked_diagnostics:
769 @prohibit='\<$(_gl_translatable_diag_func_re) *\([^"]*"[^"]*[a-z]{3}' \
770 exclude='(_|ngettext ?)\(' \
771 halt='found unmarked diagnostic(s)' \
774 # Avoid useless parentheses like those in this example:
775 # #if defined (SYMBOL) || defined (SYM2)
776 sc_useless_cpp_parens:
777 @prohibit='^# *if .*defined *\(' \
778 halt='found useless parentheses in cpp directive' \
781 # List headers for which HAVE_HEADER_H is always true, assuming you are
782 # using the appropriate gnulib module. CAUTION: for each "unnecessary"
783 # #if HAVE_HEADER_H that you remove, be sure that your project explicitly
784 # requires the gnulib module that guarantees the usability of that header.
785 gl_assured_headers_ = \
786 cd $(gnulib_dir)/lib && echo *.in.h|$(SED) 's/\.in\.h//g'
788 # Convert the list of names to upper case, and replace each space with "|".
789 az_ = abcdefghijklmnopqrstuvwxyz
790 AZ_ = ABCDEFGHIJKLMNOPQRSTUVWXYZ
791 gl_header_upper_case_or_ = \
792 $$($(gl_assured_headers_) \
793 | tr $(az_)/.- $(AZ_)___ \
796 sc_prohibit_always_true_header_tests:
797 @or=$(gl_header_upper_case_or_); \
798 re="HAVE_($$or)_H"; \
799 prohibit='\<'"$$re"'\>' \
800 halt=$$(printf '%s\n' \
801 'do not test the above HAVE_<header>_H symbol(s);' \
802 ' with the corresponding gnulib module, they are always true') \
805 sc_prohibit_defined_have_decl_tests:
806 @prohibit='(#[ ]*ifn?def|\<defined)\>[ (]+HAVE_DECL_' \
807 halt='HAVE_DECL macros are always defined' \
810 # ==================================================================
811 gl_other_headers_ ?= \
816 # Perl -lne code to extract "significant" cpp-defined symbols from a
817 # gnulib header file, eliminating a few common false-positives.
818 # The exempted names below are defined only conditionally in gnulib,
819 # and hence sometimes must/may be defined in application code.
820 gl_extract_significant_defines_ = \
821 /^\# *define ([^_ (][^ (]*)(\s*\(|\s+\w+)/\
822 && $$2 !~ /(?:rpl_|_used_without_)/\
823 && $$1 !~ /^(?:NSIG|ENODATA)$$/\
824 && $$1 !~ /^(?:SA_RESETHAND|SA_RESTART)$$/\
827 # Create a list of regular expressions matching the names
828 # of macros that are guaranteed to be defined by parts of gnulib.
830 gen_h=$(gl_generated_headers_); \
831 (cd $(gnulib_dir)/lib; \
832 for f in *.in.h $(gl_other_headers_); do \
834 && perl -lne '$(gl_extract_significant_defines_)' $$f; \
837 | $(SED) 's/^/^ *# *(define|undef) */;s/$$/\\>/'
840 # Don't define macros that we already get from gnulib header files.
841 sc_prohibit_always-defined_macros:
842 @if test -d $(gnulib_dir); then \
843 case $$(echo all: | grep -l -f - Makefile) in Makefile);; *) \
844 echo '$(ME): skipping $@: you lack GNU grep' 1>&2; exit 0;; \
846 $(def_sym_regex) | grep -E -f - $$($(VC_LIST_EXCEPT)) \
847 && { echo '$(ME): define the above via some gnulib .h file' \
848 1>&2; exit 1; } || :; \
850 # ==================================================================
852 # Prohibit checked in backup files.
853 sc_prohibit_backup_files:
854 @$(VC_LIST) | grep '~$$' && \
855 { echo '$(ME): found version controlled backup file' 1>&2; \
858 # Require the latest GPL.
860 @prohibit='either ''version [^3]' \
861 halt='GPL vN, N!=3' \
864 # Require the latest GFDL. Two regexp, since some .texi files end up
865 # line wrapping between 'Free Documentation License,' and 'Version'.
866 _GFDL_regexp = (Free ''Documentation.*Version 1\.[^3]|Version 1\.[^3] or any)
868 @prohibit='$(_GFDL_regexp)' \
869 halt='GFDL vN, N!=3' \
872 # Don't use Texinfo's @acronym{}.
873 # http://lists.gnu.org/archive/html/bug-gnulib/2010-03/msg00321.html
874 texinfo_suffix_re_ ?= \.(txi|texi(nfo)?)$$
876 @prohibit='@acronym\{' \
877 in_vc_files='$(texinfo_suffix_re_)' \
878 halt='found use of Texinfo @acronym{}' \
882 Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State
884 sc_prohibit_cvs_keyword:
885 @prohibit='\$$($(cvs_keywords))\$$' \
886 halt='do not use CVS keyword expansion' \
889 # This Perl code is slightly obfuscated. Not only is each "$" doubled
890 # because it's in a Makefile, but the $$c's are comments; we cannot
891 # use "#" due to the way the script ends up concatenated onto one line.
892 # It would be much more concise, and would produce better output (including
893 # counts) if written as:
894 # perl -ln -0777 -e '/\n(\n+)$/ and print "$ARGV: ".length $1' ...
895 # but that would be far less efficient, reading the entire contents
896 # of each file, rather than just the last two bytes of each.
897 # In addition, while the code below detects both blank lines and a missing
898 # newline at EOF, the above detects only the former.
900 # This is a perl script that is expected to be the single-quoted argument
901 # to a command-line "-le". The remaining arguments are file names.
902 # Print the name of each file that does not end in exactly one newline byte.
903 # I.e., warn if there are blank lines (2 or more newlines), or if the
904 # last byte is not a newline. However, currently we don't complain
905 # about any file that contains exactly one byte.
906 # Exit nonzero if at least one such file is found, otherwise, exit 0.
907 # Warn about, but otherwise ignore open failure. Ignore seek/read failure.
909 # Use this if you want to remove trailing empty lines from selected files:
910 # perl -pi -0777 -e 's/\n\n+$/\n/' files...
912 require_exactly_one_NL_at_EOF_ = \
913 foreach my $$f (@ARGV) \
915 open F, "<", $$f or (warn "failed to open $$f: $$!\n"), next; \
916 my $$p = sysseek (F, -2, 2); \
917 my $$c = "seek failure probably means file has < 2 bytes; ignore"; \
918 my $$last_two_bytes; \
919 defined $$p and $$p = sysread F, $$last_two_bytes, 2; \
921 $$c = "ignore read failure"; \
922 $$p && ($$last_two_bytes eq "\n\n" \
923 || substr ($$last_two_bytes,1) ne "\n") \
924 and (print $$f), $$fail=1; \
926 END { exit defined $$fail }
927 sc_prohibit_empty_lines_at_EOF:
928 @perl -le '$(require_exactly_one_NL_at_EOF_)' $$($(VC_LIST_EXCEPT)) \
929 || { echo '$(ME): empty line(s) or no newline at EOF' \
932 # Make sure we don't use st_blocks. Use ST_NBLOCKS instead.
933 # This is a bit of a kludge, since it prevents use of the string
934 # even in comments, but for now it does the job with no false positives.
935 sc_prohibit_stat_st_blocks:
936 @prohibit='[.>]st_blocks' \
937 halt='do not use st_blocks; use ST_NBLOCKS' \
940 # Make sure we don't define any S_IS* macros in src/*.c files.
941 # They're already defined via gnulib's sys/stat.h replacement.
942 sc_prohibit_S_IS_definition:
943 @prohibit='^ *# *define *S_IS' \
944 halt='do not define S_IS* macros; include <sys/stat.h>' \
947 # Perl block to convert a match to FILE_NAME:LINENO:TEST,
948 # that is shared by two definitions below.
949 perl_filename_lineno_text_ = \
951 -e ' $$n = ($$` =~ tr/\n/\n/ + 1);' \
952 -e ' ($$v = $$&) =~ s/\n/\\n/g;' \
953 -e ' print "$$ARGV:$$n:$$v\n";' \
956 prohibit_doubled_word_RE_ ?= \
957 /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims
958 prohibit_doubled_word_ = \
959 -e 'while ($(prohibit_doubled_word_RE_))' \
960 $(perl_filename_lineno_text_)
962 # Define this to a regular expression that matches
963 # any filename:dd:match lines you want to ignore.
964 # The default is to ignore no matches.
965 ignore_doubled_word_match_RE_ ?= ^$$
967 sc_prohibit_doubled_word:
968 @perl -n -0777 $(prohibit_doubled_word_) $$($(VC_LIST_EXCEPT)) \
969 | grep -vE '$(ignore_doubled_word_match_RE_)' \
970 | grep . && { echo '$(ME): doubled words' 1>&2; exit 1; } || :
972 # A regular expression matching undesirable combinations of words like
973 # "can not"; this matches them even when the two words appear on different
974 # lines, but not when there is an intervening delimiter like "#" or "*".
975 # Similarly undesirable, "See @xref{...}", since an @xref should start
976 # a sentence. Explicitly prohibit any prefix of "see" or "also".
977 # Also prohibit a prefix matching "\w+ +".
978 # @pxref gets the same see/also treatment and should be parenthesized;
979 # presume it must *not* start a sentence.
980 bad_xref_re_ ?= (?:[\w,:;] +|(?:see|also)\s+)\@xref\{
981 bad_pxref_re_ ?= (?:[.!?]|(?:see|also))\s+\@pxref\{
982 prohibit_undesirable_word_seq_RE_ ?= \
983 /(?:\bcan\s+not\b|$(bad_xref_re_)|$(bad_pxref_re_))/gims
984 prohibit_undesirable_word_seq_ = \
985 -e 'while ($(prohibit_undesirable_word_seq_RE_))' \
986 $(perl_filename_lineno_text_)
987 # Define this to a regular expression that matches
988 # any filename:dd:match lines you want to ignore.
989 # The default is to ignore no matches.
990 ignore_undesirable_word_sequence_RE_ ?= ^$$
992 sc_prohibit_undesirable_word_seq:
993 @perl -n -0777 $(prohibit_undesirable_word_seq_) \
994 $$($(VC_LIST_EXCEPT)) \
995 | grep -vE '$(ignore_undesirable_word_sequence_RE_)' | grep . \
996 && { echo '$(ME): undesirable word sequence' >&2; exit 1; } || :
998 # Except for shell files and for loops, double semicolon is probably a mistake
999 sc_prohibit_double_semicolon:
1000 @prohibit='; *;[ {} \]*(/[/*]|$$)' \
1001 in_vc_files='\.[chly]$$' \
1002 exclude='\bfor *\(.*\)' \
1003 halt="Double semicolon detected" \
1004 $(_sc_search_regexp)
1006 _ptm1 = use "test C1 && test C2", not "test C1 -''a C2"
1007 _ptm2 = use "test C1 || test C2", not "test C1 -''o C2"
1008 # Using test's -a and -o operators is not portable.
1009 # We prefer test over [, since the latter is spelled [[ in configure.ac.
1010 sc_prohibit_test_minus_ao:
1011 @prohibit='(\<test| \[+) .+ -[ao] ' \
1012 halt='$(_ptm1); $(_ptm2)' \
1013 $(_sc_search_regexp)
1015 # Avoid a test bashism.
1016 sc_prohibit_test_double_equal:
1017 @prohibit='(\<test| \[+) .+ == ' \
1018 containing='#! */bin/[a-z]*sh' \
1019 halt='use "test x = x", not "test x =''= x"' \
1020 $(_sc_search_regexp)
1022 # Each program that uses proper_name_utf8 must link with one of the
1023 # ICONV libraries. Otherwise, some ICONV library must appear in LDADD.
1024 # The perl -0777 invocation below extracts the possibly-multi-line
1025 # definition of LDADD from the appropriate Makefile.am and exits 0
1026 # when it contains "ICONV".
1027 sc_proper_name_utf8_requires_ICONV:
1028 @progs=$$(grep -l 'proper_name_utf8 ''("' $$($(VC_LIST_EXCEPT)));\
1029 if test "x$$progs" != x; then \
1031 for p in $$progs; do \
1032 dir=$$(dirname "$$p"); \
1034 -ne 'exit !(/^LDADD =(.+?[^\\]\n)/ms && $$1 =~ /ICONV/)' \
1035 $$dir/Makefile.am && continue; \
1036 base=$$(basename "$$p" .c); \
1037 grep "$${base}_LDADD.*ICONV)" $$dir/Makefile.am > /dev/null \
1038 || { fail=1; echo 1>&2 "$(ME): $$p uses proper_name_utf8"; }; \
1040 test $$fail = 1 && \
1041 { echo 1>&2 '$(ME): the above do not link with any ICONV library'; \
1045 # Warn about "c0nst struct Foo const foo[]",
1046 # but not about "char const *const foo" or "#define const const".
1048 @prohibit='\bconst\b[[:space:][:alnum:]]{2,}\bconst\b' \
1049 halt='redundant "const" in declarations' \
1050 $(_sc_search_regexp)
1052 sc_const_long_option:
1053 @prohibit='^ *static.*struct option ' \
1054 exclude='const struct option|struct option const' \
1055 halt='add "const" to the above declarations' \
1056 $(_sc_search_regexp)
1059 $$($(SED) -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \
1062 's/^Copyright.+?Free\sSoftware\sFoundation,\sInc\.\n//ms' \
1066 # Ensure that we don't accidentally insert an entry into an old NEWS block.
1068 @if test -f $(srcdir)/NEWS; then \
1069 test "$(NEWS_hash)" = '$(old_NEWS_hash)' && : || \
1070 { echo '$(ME): you have modified old NEWS' 1>&2; exit 1; }; \
1073 # Update the hash stored above. Do this after each release and
1074 # for any corrections to old entries.
1075 update-NEWS-hash: NEWS
1076 perl -pi -e 's/^(old_NEWS_hash[ \t]+:?=[ \t]+).*/$${1}'"$(NEWS_hash)/" \
1079 # Ensure that we use only the standard $(VAR) notation,
1080 # not @...@ in Makefile.am, now that we can rely on automake
1081 # to emit a definition for each substituted variable.
1082 # However, there is still one case in which @VAR@ use is not just
1083 # legitimate, but actually required: when augmenting an automake-defined
1084 # variable with a prefix. For example, gettext uses this:
1085 # MAKEINFO = env LANG= LC_MESSAGES= LC_ALL= LANGUAGE= @MAKEINFO@
1086 # otherwise, makeinfo would put German or French (current locale)
1087 # navigation hints in the otherwise-English documentation.
1089 # Allow the package to add exceptions via a hook in cfg.mk;
1090 # for example, @PRAGMA_SYSTEM_HEADER@ can be permitted by
1091 # setting this to ' && !/PRAGMA_SYSTEM_HEADER/'.
1092 _makefile_at_at_check_exceptions ?=
1093 sc_makefile_at_at_check:
1094 @perl -ne '/\@\w+\@/' \
1095 -e ' && !/(\w+)\s+=.*\@\1\@$$/' \
1096 -e ''$(_makefile_at_at_check_exceptions) \
1097 -e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}' \
1098 $$($(VC_LIST_EXCEPT) | grep -E '(^|/)(Makefile\.am|[^/]+\.mk)$$') \
1099 && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
1102 $(AM_V_GEN)if $(SED) -n $(news-check-lines-spec)p $< \
1103 | grep -E $(news-check-regexp) >/dev/null; then \
1106 echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2; \
1110 sc_makefile_TAB_only_indentation:
1111 @prohibit='^ [ ]{8}' \
1112 in_vc_files='akefile|\.mk$$' \
1113 halt='found TAB-8-space indentation' \
1114 $(_sc_search_regexp)
1117 @prohibit='(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]' \
1118 in_vc_files='(^configure\.ac|\.m4)$$' \
1119 halt='quote the first arg to AC_DEF*' \
1120 $(_sc_search_regexp)
1122 fix_po_file_diag = \
1123 'you have changed the set of files with translatable diagnostics;\n\
1124 apply the above patch\n'
1126 # Verify that all source files using _() (more specifically, files that
1127 # match $(_gl_translatable_string_re)) are listed in po/POTFILES.in.
1128 po_file ?= $(srcdir)/po/POTFILES.in
1129 generated_files ?= $(srcdir)/lib/*.[ch]
1130 _gl_translatable_string_re ?= \b(N?_|gettext *)\([^)"]*("|$$)
1132 @if test -f $(po_file); then \
1133 grep -E -v '^(#|$$)' $(po_file) \
1134 | grep -v '^src/false\.c$$' | sort > $@-1; \
1136 for file in $$($(VC_LIST_EXCEPT)) $(generated_files); do \
1137 test -r $$file || continue; \
1139 *.m4|*.mk) continue ;; \
1145 base=`expr " $$file" : ' \(.*\)\..'`; \
1146 { test -f $$base.l || test -f $$base.y; } && continue;; \
1148 files="$$files $$file"; \
1150 grep -E -l '$(_gl_translatable_string_re)' $$files \
1151 | $(SED) 's|^$(_dot_escaped_srcdir)/||' | sort -u > $@-2; \
1152 diff -u -L $(po_file) -L $(po_file) $@-1 $@-2 \
1153 || { printf '$(ME): '$(fix_po_file_diag) 1>&2; exit 1; }; \
1157 # Sometimes it is useful to change the PATH environment variable
1158 # in Makefiles. When doing so, it's better not to use the Unix-centric
1159 # path separator of ':', but rather the automake-provided '$(PATH_SEPARATOR)'.
1160 msg = 'Do not use ":" above; use $$(PATH_SEPARATOR) instead'
1161 sc_makefile_path_separator_check:
1162 @prohibit='PATH[=].*:' \
1163 in_vc_files='akefile|\.mk$$' \
1165 $(_sc_search_regexp)
1167 # Check that 'make alpha' will not fail at the end of the process,
1168 # i.e., when pkg-M.N.tar.xz already exists (either in "." or in ../release)
1171 $(AM_V_GEN)if test -d $(release_archive_dir); then \
1172 for file in $(DIST_ARCHIVES); do \
1173 for p in ./ $(release_archive_dir)/; do \
1174 test -e $$p$$file || continue; \
1176 || { echo ERROR: $$p$$file is not writable; fail=1; }; \
1179 test "$$fail" && exit 1 || : ; \
1183 v_etc_file = $(gnulib_dir)/lib/version-etc.c
1184 sample-test = tests/sample-test
1185 texi = doc/$(PACKAGE).texi
1186 # Make sure that the copyright date in $(v_etc_file) is up to date.
1187 # Do the same for the $(sample-test) and the main doc/.texi file.
1189 @require='enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' \
1190 in_files=$(v_etc_file) \
1191 halt='out of date copyright in $(v_etc_file); update it' \
1192 $(_sc_search_regexp)
1193 @require='# Copyright \(C\) '$$(date +%Y)' Free' \
1194 in_vc_files=$(sample-test) \
1195 halt='out of date copyright in $(sample-test); update it' \
1196 $(_sc_search_regexp)
1197 @require='Copyright @copyright\{\} .*'$$(date +%Y) \
1198 in_vc_files=$(texi) \
1199 halt='out of date copyright in $(texi); update it' \
1200 $(_sc_search_regexp)
1202 # If tests/help-version exists and seems to be new enough, assume that its
1203 # use of init.sh and path_prepend_ is correct, and ensure that every other
1204 # use of init.sh is identical.
1205 # This is useful because help-version cross-checks prog --version
1206 # with $(VERSION), which verifies that its path_prepend_ invocation
1207 # sets PATH correctly. This is an inexpensive way to ensure that
1208 # the other init.sh-using tests also get it right.
1209 _hv_file ?= $(srcdir)/tests/help-version
1210 _hv_regex_weak ?= ^ *\. .*/init\.sh"
1211 # Fix syntax-highlighters "
1212 _hv_regex_strong ?= ^ *\. "\$${srcdir=\.}/init\.sh"
1213 sc_cross_check_PATH_usage_in_tests:
1214 @if test -f $(_hv_file); then \
1215 grep -l 'VERSION mismatch' $(_hv_file) >/dev/null \
1216 || { echo "$@: skipped: no such file: $(_hv_file)" 1>&2; \
1218 grep -lE '$(_hv_regex_strong)' $(_hv_file) >/dev/null \
1219 || { echo "$@: $(_hv_file) lacks conforming use of init.sh" 1>&2; \
1221 good=$$(grep -E '$(_hv_regex_strong)' $(_hv_file)); \
1222 grep -LFx "$$good" \
1223 $$(grep -lE '$(_hv_regex_weak)' $$($(VC_LIST_EXCEPT))) \
1225 { echo "$(ME): the above files use path_prepend_ inconsistently" \
1226 1>&2; exit 1; } || :; \
1229 # BRE regex of file contents to identify a test script.
1230 _test_script_regex ?= \<init\.sh\>
1232 # In tests, use "compare expected actual", not the reverse.
1233 sc_prohibit_reversed_compare_failure:
1234 @prohibit='\<compare [^ ]+ ([^ ]*exp|/dev/null)' \
1235 containing='$(_test_script_regex)' \
1236 halt='reversed compare arguments' \
1237 $(_sc_search_regexp)
1239 # #if HAVE_... will evaluate to false for any non numeric string.
1240 # That would be flagged by using -Wundef, however gnulib currently
1241 # tests many undefined macros, and so we can't enable that option.
1242 # So at least preclude common boolean strings as macro values.
1244 @prohibit='^#define.*(yes|no|true|false)$$' \
1245 in_files='$(CONFIG_INCLUDE)' \
1246 halt='Use 0 or 1 for macro values' \
1247 $(_sc_search_regexp)
1249 # Even if you use pathmax.h to guarantee that PATH_MAX is defined, it might
1250 # not be constant, or might overflow a stack. In general, use PATH_MAX as
1251 # a limit, not an array or alloca size.
1252 sc_prohibit_path_max_allocation:
1253 @prohibit='(\balloca *\([^)]*|\[[^]]*)\bPATH_MAX' \
1254 halt='Avoid stack allocations of size PATH_MAX' \
1255 $(_sc_search_regexp)
1257 sc_vulnerable_makefile_CVE-2009-4029:
1258 @prohibit='perm -777 -exec chmod a\+rwx|chmod 777 \$$\(distdir\)' \
1259 in_files='(^|/)Makefile\.in$$' \
1260 halt=$$(printf '%s\n' \
1261 'the above files are vulnerable; beware of running' \
1262 ' "make dist*" rules, and upgrade to fixed automake' \
1263 ' see http://bugzilla.redhat.com/542609 for details') \
1264 $(_sc_search_regexp)
1266 sc_vulnerable_makefile_CVE-2012-3386:
1267 @prohibit='chmod a\+w \$$\(distdir\)' \
1268 in_files='(^|/)Makefile\.in$$' \
1269 halt=$$(printf '%s\n' \
1270 'the above files are vulnerable; beware of running' \
1271 ' "make distcheck", and upgrade to fixed automake' \
1272 ' see http://bugzilla.redhat.com/CVE-2012-3386 for details') \
1273 $(_sc_search_regexp)
1276 $(AM_V_GEN)(unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || :
1277 $(AM_V_at)if test -s vc-diffs; then \
1279 echo "Some files are locally modified:" 1>&2; \
1285 rel-files = $(DIST_ARCHIVES)
1287 gnulib_dir ?= $(srcdir)/gnulib
1288 gnulib-version = $$(cd $(gnulib_dir) \
1289 && { git describe || git rev-parse --short=10 HEAD; } )
1290 bootstrap-tools ?= autoconf,automake,gnulib
1292 gpgv = $$(gpgv2 --version >/dev/null && echo gpgv2 || echo gpgv)
1293 # If it's not already specified, derive the GPG key ID from
1294 # the signed tag we've just applied to mark this release.
1297 && git cat-file tag v$(VERSION) \
1298 | $(gpgv) --status-fd 1 --keyring /dev/null - - 2>/dev/null \
1299 | awk '/^\[GNUPG:\] ERRSIG / {print $$3; exit}')
1301 translation_project_ ?= coordinator@translationproject.org
1303 # Make info-gnu the default only for a stable release.
1304 announcement_Cc_stable = $(translation_project_), $(PACKAGE_BUGREPORT)
1305 announcement_mail_headers_stable = \
1306 To: info-gnu@gnu.org \
1307 Cc: $(announcement_Cc_) \
1308 Mail-Followup-To: $(PACKAGE_BUGREPORT)
1310 announcement_Cc_alpha = $(translation_project_)
1311 announcement_mail_headers_alpha = \
1312 To: $(PACKAGE_BUGREPORT) \
1313 Cc: $(announcement_Cc_)
1315 announcement_mail_Cc_beta = $(announcement_mail_Cc_alpha)
1316 announcement_mail_headers_beta = $(announcement_mail_headers_alpha)
1318 announcement_mail_Cc_ ?= $(announcement_mail_Cc_$(release-type))
1319 announcement_mail_headers_ ?= $(announcement_mail_headers_$(release-type))
1320 announcement: NEWS ChangeLog $(rel-files)
1321 # Not $(AM_V_GEN) since the output of this command serves as
1322 # announcement message: it would start with " GEN announcement".
1323 $(AM_V_at)$(srcdir)/$(_build-aux)/announce-gen \
1324 --mail-headers='$(announcement_mail_headers_)' \
1325 --release-type=$(release-type) \
1326 --package=$(PACKAGE) \
1327 --prev=$(PREV_VERSION) \
1329 --gpg-key-id=$(gpg_key_ID) \
1330 --srcdir=$(srcdir) \
1331 --news=$(srcdir)/NEWS \
1332 --bootstrap-tools=$(bootstrap-tools) \
1333 $$(case ,$(bootstrap-tools), in (*,gnulib,*) \
1334 echo --gnulib-version=$(gnulib-version);; esac) \
1335 --no-print-checksums \
1336 $(addprefix --url-dir=, $(url_dir_list))
1338 .PHONY: release-commit
1340 $(AM_V_GEN)cd $(srcdir) \
1341 && $(_build-aux)/do-release-commit-and-tag \
1342 -C $(abs_builddir) $(RELEASE)
1344 ## ---------------- ##
1345 ## Updating files. ##
1346 ## ---------------- ##
1348 ftp-gnu = ftp://ftp.gnu.org/gnu
1349 www-gnu = http://www.gnu.org
1351 upload_dest_dir_ ?= $(PACKAGE)
1353 $(srcdir)/$(_build-aux)/gnupload $(GNUPLOADFLAGS) \
1354 --to $(gnu_rel_host):$(upload_dest_dir_) \
1356 emit_upload_commands:
1357 @echo =====================================
1358 @echo =====================================
1359 @echo '$(upload_command)'
1360 @echo '# send the ~/announce-$(my_distdir) e-mail'
1361 @echo =====================================
1362 @echo =====================================
1366 $(AM_V_GEN)$(upload_command)
1368 define emit-commit-log
1369 printf '%s\n' 'maint: post-release administrivia' '' \
1370 '* NEWS: Add header line for next release.' \
1371 '* .prev-version: Record previous version.' \
1372 '* cfg.mk (old_NEWS_hash): Auto-update.'
1375 .PHONY: no-submodule-changes
1376 no-submodule-changes:
1377 $(AM_V_GEN)if test -d $(srcdir)/.git \
1378 && git --version >/dev/null 2>&1; then \
1379 diff=$$(cd $(srcdir) && git submodule -q foreach \
1380 git diff-index --name-only HEAD) \
1382 case $$diff in '') ;; \
1383 *) echo '$(ME): submodule files are locally modified:'; \
1384 echo "$$diff"; exit 1;; esac; \
1389 submodule-checks ?= no-submodule-changes public-submodule-commit
1391 # Ensure that each sub-module commit we're using is public.
1392 # Without this, it is too easy to tag and release code that
1393 # cannot be built from a fresh clone.
1394 .PHONY: public-submodule-commit
1395 public-submodule-commit:
1396 $(AM_V_GEN)if test -d $(srcdir)/.git \
1397 && git --version >/dev/null 2>&1; then \
1399 git submodule --quiet foreach \
1400 'test "$$(git rev-parse "$$sha1")" \
1401 = "$$(git merge-base origin "$$sha1")"' \
1402 || { echo '$(ME): found non-public submodule commit' >&2; \
1407 # This rule has a high enough utility/cost ratio that it should be a
1408 # dependent of "check" by default. However, some of us do occasionally
1409 # commit a temporary change that deliberately points to a non-public
1410 # submodule commit, and want to be able to use rules like "make check".
1411 # In that case, run e.g., "make check gl_public_submodule_commit="
1412 # to disable this test.
1413 gl_public_submodule_commit ?= public-submodule-commit
1414 check: $(gl_public_submodule_commit)
1416 .PHONY: alpha beta stable release
1417 ALL_RECURSIVE_TARGETS += alpha beta stable
1418 alpha beta stable: $(local-check) writable-files $(submodule-checks)
1419 $(AM_V_GEN)test $@ = stable \
1420 && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \
1421 || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\
1423 $(AM_V_at)$(MAKE) vc-diff-check
1424 $(AM_V_at)$(MAKE) news-check
1425 $(AM_V_at)$(MAKE) distcheck
1426 $(AM_V_at)$(MAKE) dist
1427 $(AM_V_at)$(MAKE) $(release-prep-hook) RELEASE_TYPE=$@
1428 $(AM_V_at)$(MAKE) -s emit_upload_commands RELEASE_TYPE=$@
1431 $(AM_V_GEN)$(MAKE) _version
1432 $(AM_V_GEN)$(MAKE) $(release-type)
1434 # Override this in cfg.mk if you follow different procedures.
1435 release-prep-hook ?= release-prep
1437 gl_noteworthy_news_ = * Noteworthy changes in release ?.? (????-??-??) [?]
1438 .PHONY: release-prep
1440 $(AM_V_GEN)$(MAKE) --no-print-directory -s announcement \
1441 > ~/announce-$(my_distdir)
1442 $(AM_V_at)if test -d $(release_archive_dir); then \
1443 ln $(rel-files) $(release_archive_dir); \
1444 chmod a-w $(rel-files); \
1446 $(AM_V_at)echo $(VERSION) > $(prev_version_file)
1447 $(AM_V_at)$(MAKE) update-NEWS-hash
1448 $(AM_V_at)perl -pi \
1449 -e '$$. == 3 and print "$(gl_noteworthy_news_)\n\n\n"' \
1451 $(AM_V_at)msg=$$($(emit-commit-log)) || exit 1; \
1452 cd $(srcdir) && $(VC) commit -m "$$msg" -a
1454 # Override this with e.g., -s $(srcdir)/some_other_name.texi
1455 # if the default $(PACKAGE)-derived name doesn't apply.
1460 $(AM_V_GEN)test -z "$(manual_title)" \
1461 && { echo define manual_title in cfg.mk 1>&2; exit 1; } || :
1462 $(AM_V_at)cd '$(srcdir)/doc'; \
1463 $(SHELL) ../$(_build-aux)/gendocs.sh $(gendocs_options_) \
1464 -o '$(abs_builddir)/doc/manual' \
1465 --email $(PACKAGE_BUGREPORT) $(PACKAGE) \
1466 "$(PACKAGE_NAME) - $(manual_title)"
1467 $(AM_V_at)echo " *** Upload the doc/manual directory to web-cvs."
1469 .PHONY: web-manual-update
1471 $(AM_V_GEN)cd $(srcdir) \
1472 && $(_build-aux)/gnu-web-doc-update -C $(abs_builddir)
1478 $(MAKE) $(AM_MAKEFLAGS) clean
1479 lcov --directory . --zerocounters
1481 COVERAGE_CCOPTS ?= "-g --coverage"
1482 COVERAGE_OUT ?= doc/coverage
1485 $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS)
1486 $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) check
1487 mkdir -p $(COVERAGE_OUT)
1488 lcov --directory . --output-file $(COVERAGE_OUT)/$(PACKAGE).info \
1492 genhtml --output-directory $(COVERAGE_OUT) \
1493 $(COVERAGE_OUT)/$(PACKAGE).info \
1494 --highlight --frames --legend \
1495 --title "$(PACKAGE_NAME)"
1497 coverage: init-coverage build-coverage gen-coverage
1499 # Some projects carry local adjustments for gnulib modules via patches in
1500 # a gnulib patch directory whose default name is gl/ (defined in bootstrap
1501 # via local_gl_dir=gl). Those patches become stale as the originals evolve
1502 # in gnulib. Use this rule to refresh any stale patches. It applies each
1503 # patch to the original in $(gnulib_dir) and uses the temporary result to
1504 # generate a fuzz-free .diff file. If you customize the name of your local
1505 # gnulib patch directory via bootstrap.conf, this rule detects that name.
1506 # Run this from a non-VPATH (i.e., srcdir) build directory.
1507 .PHONY: refresh-gnulib-patches
1508 refresh-gnulib-patches:
1510 if test -f bootstrap.conf; then \
1511 t=$$(perl -lne '/^\s*local_gl_dir=(\S+)/ and $$d=$$1;' \
1512 -e 'END{defined $$d and print $$d}' bootstrap.conf); \
1513 test -n "$$t" && gl=$$t; \
1515 for diff in $$(cd $$gl; git ls-files | grep '\.diff$$'); do \
1516 b=$$(printf %s "$$diff"|$(SED) 's/\.diff$$//'); \
1517 VERSION_CONTROL=none \
1518 patch "$(gnulib_dir)/$$b" "$$gl/$$diff" || exit 1; \
1519 ( cd $(gnulib_dir) || exit 1; \
1520 git diff "$$b" > "../$$gl/$$diff"; \
1521 git checkout $$b ) || exit 1; \
1524 # Update gettext files.
1525 PACKAGE ?= $(shell basename $(PWD))
1526 PO_DOMAIN ?= $(PACKAGE)
1527 POURL = http://translationproject.org/latest/$(PO_DOMAIN)/
1530 rm -f $(PODIR)/*.po && \
1531 echo "$(ME): getting translations into po (please ignore the robots.txt ERROR 404)..." && \
1532 wget --no-verbose --directory-prefix $(PODIR) --no-directories --recursive --level 1 --accept .po --accept .po.1 $(POURL) && \
1533 echo 'en@boldquot' > $(PODIR)/LINGUAS && \
1534 echo 'en@quot' >> $(PODIR)/LINGUAS && \
1535 ls $(PODIR)/*.po | $(SED) 's/\.po//;s,$(PODIR)/,,' | \
1536 sort >> $(PODIR)/LINGUAS
1538 # Running indent once is not idempotent, but running it twice is.
1539 INDENT_SOURCES ?= $(C_SOURCES)
1542 indent $(INDENT_SOURCES)
1543 indent $(INDENT_SOURCES)
1545 # If you want to set UPDATE_COPYRIGHT_* environment variables,
1546 # put the assignments in this variable.
1547 update-copyright-env ?=
1549 # Run this rule once per year (usually early in January)
1550 # to update all FSF copyright year lists in your project.
1551 # If you have an additional project-specific rule,
1552 # add it in cfg.mk along with a line 'update-copyright: prereq'.
1553 # By default, exclude all variants of COPYING; you can also
1554 # add exemptions (such as ChangeLog..* for rotated change logs)
1555 # in the file .x-update-copyright.
1556 .PHONY: update-copyright
1558 $(AM_V_GEN)grep -l -w Copyright \
1559 $$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \
1560 | $(update-copyright-env) xargs $(srcdir)/$(_build-aux)/$@
1562 # This tight_scope test is skipped with a warning if $(_gl_TS_headers) is not
1563 # overridden and $(_gl_TS_dir)/Makefile.am does not mention noinst_HEADERS.
1565 # NOTE: to override any _gl_TS_* default value, you must
1566 # define the variable(s) using "export" in cfg.mk.
1569 ALL_RECURSIVE_TARGETS += sc_tight_scope
1570 sc_tight_scope: tight-scope.mk
1572 if ! grep '^ *export _gl_TS_headers *=' $(srcdir)/cfg.mk \
1574 && ! grep -w noinst_HEADERS $(srcdir)/$(_gl_TS_dir)/Makefile.am \
1575 > /dev/null 2>&1; then \
1576 echo '$(ME): skipping $@'; \
1578 $(MAKE) -s -C $(_gl_TS_dir) \
1580 -f $(abs_top_srcdir)/cfg.mk \
1581 -f $(abs_top_builddir)/$< \
1588 tight-scope.mk: $(ME)
1590 @perl -ne '/^# TS-start/.../^# TS-end/ and print' $(srcdir)/$(ME) > $@-t
1591 @chmod a=r $@-t && mv $@-t $@
1596 # Most functions should have static scope.
1597 # Any that don't must be marked with 'extern', but 'main'
1598 # and 'usage' are exceptions: they're always extern, but
1599 # do not need to be marked. Symbols matching '__.*' are
1600 # reserved by the compiler, so are automatically excluded below.
1601 _gl_TS_unmarked_extern_functions ?= main usage
1602 _gl_TS_function_match ?= /^(?:$(_gl_TS_extern)) +.*?(\w+) *\(/
1604 # If your project uses a macro like "XTERN", then put
1605 # the following in cfg.mk to override this default:
1606 # export _gl_TS_extern = extern|XTERN
1607 _gl_TS_extern ?= extern
1609 # The second nm|grep checks for file-scope variables with 'extern' scope.
1610 # Without gnulib's progname module, you might put program_name here.
1611 # Symbols matching '__.*' are reserved by the compiler,
1612 # so are automatically excluded below.
1613 _gl_TS_unmarked_extern_vars ?=
1615 # NOTE: the _match variables are perl expressions -- not mere regular
1616 # expressions -- so that you can extend them to match other patterns
1617 # and easily extract matched variable names.
1618 # For example, if your project declares some global variables via
1619 # a macro like this: GLOBAL(type, var_name, initializer), then you
1620 # can override this definition to automatically extract those names:
1621 # export _gl_TS_var_match = \
1622 # /^(?:$(_gl_TS_extern)) .*?\**(\w+)(\[.*?\])?;/ || /\bGLOBAL\(.*?,\s*(.*?),/
1623 _gl_TS_var_match ?= /^(?:$(_gl_TS_extern)) .*?(\w+)(\[.*?\])?;/
1625 # The names of object files in (or relative to) $(_gl_TS_dir).
1626 _gl_TS_obj_files ?= *.$(OBJEXT)
1628 # Files in which to search for the one-line style extern declarations.
1629 # $(_gl_TS_dir)-relative.
1630 _gl_TS_headers ?= $(noinst_HEADERS)
1631 _gl_TS_other_headers ?= *.h
1633 .PHONY: _gl_tight_scope
1634 _gl_tight_scope: $(bin_PROGRAMS)
1635 sed_wrap='s/^/^_?/;s/$$/$$/'; \
1636 t=exceptions-$$$$; \
1637 trap 's=$$?; rm -f $$t; exit $$s' 0; \
1638 for sig in 1 2 3 13 15; do \
1639 eval "trap 'v=`expr $$sig + 128`; (exit $$v); exit $$v' $$sig"; \
1641 src=`for f in $(SOURCES); do \
1642 test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
1643 hdr=`for f in $(_gl_TS_headers); do \
1644 test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
1645 ( printf '%s\n' '__.*' $(_gl_TS_unmarked_extern_functions); \
1646 grep -h -A1 '^extern .*[^;]$$' $$src \
1647 | grep -vE '^(extern |--|#)' | $(SED) 's/ .*//; /^$$/d'; \
1649 '$(_gl_TS_function_match) and print $$1' $$hdr; \
1650 ) | sort -u | $(SED) "$$sed_wrap" > $$t; \
1651 nm -g $(_gl_TS_obj_files)|$(SED) -n 's/.* T //p'|grep -Ev -f $$t \
1652 && { echo the above functions should have static scope >&2; \
1654 ( printf '%s\n' '__.*' main $(_gl_TS_unmarked_extern_vars); \
1655 perl -lne '$(_gl_TS_var_match) and print $$1' \
1656 $$hdr $(_gl_TS_other_headers) \
1657 ) | sort -u | $(SED) "$$sed_wrap" > $$t; \
1658 nm -g $(_gl_TS_obj_files) | $(SED) -n 's/.* [BCDGRS] //p' \
1659 | sort -u | grep -Ev -f $$t \
1660 && { echo the above variables should have static scope >&2; \