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)) 22ME := maint.mk 23 24# Diagnostic for continued use of deprecated variable. 25# Remove in 2013 26ifneq ($(build_aux),) 27 $(error "$(ME): \ 28set $$(_build-aux) relative to $$(srcdir) instead of $$(build_aux)") 29endif 30 31# Do not save the original name or timestamp in the .tar.gz file. 32# Use --rsyncable if available. 33gzip_rsyncable := \ 34 $(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null \ 35 && printf %s --rsyncable) 36GZIP_ENV = '--no-name --best $(gzip_rsyncable)' 37 38GIT = git 39VC = $(GIT) 40 41VC_LIST = $(srcdir)/$(_build-aux)/vc-list-files -C $(srcdir) 42 43# You can override this variable in cfg.mk to set your own regexp 44# matching files to ignore. 45VC_LIST_ALWAYS_EXCLUDE_REGEX ?= ^$$ 46 47# This is to preprocess robustly the output of $(VC_LIST), so that even 48# when $(srcdir) is a pathological name like "....", the leading sed command 49# removes only the intended prefix. 50_dot_escaped_srcdir = $(subst .,\.,$(srcdir)) 51 52# Post-process $(VC_LIST) output, prepending $(srcdir)/, but only 53# when $(srcdir) is not ".". 54ifeq ($(srcdir),.) 55_prepend_srcdir_prefix = 56else 57_prepend_srcdir_prefix = | sed 's|^|$(srcdir)/|' 58endif 59 60# In order to be able to consistently filter "."-relative names, 61# (i.e., with no $(srcdir) prefix), this definition is careful to 62# remove any $(srcdir) prefix, and to restore what it removes. 63_sc_excl = \ 64 $(if $(exclude_file_name_regexp--$@),$(exclude_file_name_regexp--$@),^$$) 65VC_LIST_EXCEPT = \ 66 $(VC_LIST) | sed 's|^$(_dot_escaped_srcdir)/||' \ 67 | if test -f $(srcdir)/.x-$@; then grep -vEf $(srcdir)/.x-$@; \ 68 else grep -Ev -e "$${VC_LIST_EXCEPT_DEFAULT-ChangeLog}"; fi \ 69 | grep -Ev -e '($(VC_LIST_ALWAYS_EXCLUDE_REGEX)|$(_sc_excl))' \ 70 $(_prepend_srcdir_prefix) 71 72ifeq ($(origin prev_version_file), undefined) 73 prev_version_file = $(srcdir)/.prev-version 74endif 75 76PREV_VERSION := $(shell cat $(prev_version_file) 2>/dev/null) 77VERSION_REGEXP = $(subst .,\.,$(VERSION)) 78PREV_VERSION_REGEXP = $(subst .,\.,$(PREV_VERSION)) 79 80ifeq ($(VC),$(GIT)) 81this-vc-tag = v$(VERSION) 82this-vc-tag-regexp = v$(VERSION_REGEXP) 83else 84tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]') 85tag-this-version = $(subst .,_,$(VERSION)) 86this-vc-tag = $(tag-package)-$(tag-this-version) 87this-vc-tag-regexp = $(this-vc-tag) 88endif 89my_distdir = $(PACKAGE)-$(VERSION) 90 91# Old releases are stored here. 92release_archive_dir ?= ../release 93 94# Override gnu_rel_host and url_dir_list in cfg.mk if these are not right. 95# Use alpha.gnu.org for alpha and beta releases. 96# Use ftp.gnu.org for stable releases. 97gnu_ftp_host-alpha = alpha.gnu.org 98gnu_ftp_host-beta = alpha.gnu.org 99gnu_ftp_host-stable = ftp.gnu.org 100gnu_rel_host ?= $(gnu_ftp_host-$(RELEASE_TYPE)) 101 102ifeq ($(gnu_rel_host),ftp.gnu.org) 103url_dir_list ?= http://ftpmirror.gnu.org/$(PACKAGE) 104else 105url_dir_list ?= ftp://$(gnu_rel_host)/gnu/$(PACKAGE) 106endif 107 108# Override this in cfg.mk if you are using a different format in your 109# NEWS file. 110today = $(shell date +%Y-%m-%d) 111 112# Select which lines of NEWS are searched for $(news-check-regexp). 113# This is a sed line number spec. The default says that we search 114# lines 1..10 of NEWS for $(news-check-regexp). 115# If you want to search only line 3 or only lines 20-22, use "3" or "20,22". 116news-check-lines-spec ?= 1,10 117news-check-regexp ?= '^\*.* $(VERSION_REGEXP) \($(today)\)' 118 119# Prevent programs like 'sort' from considering distinct strings to be equal. 120# Doing it here saves us from having to set LC_ALL elsewhere in this file. 121export LC_ALL = C 122 123## --------------- ## 124## Sanity checks. ## 125## --------------- ## 126 127_cfg_mk := $(shell test -f $(srcdir)/cfg.mk && echo '$(srcdir)/cfg.mk') 128 129# Collect the names of rules starting with `sc_'. 130syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \ 131 $(srcdir)/$(ME) $(_cfg_mk))) 132.PHONY: $(syntax-check-rules) 133 134ifeq ($(shell $(VC_LIST) >/dev/null 2>&1; echo $$?),0) 135local-checks-available += $(syntax-check-rules) 136else 137local-checks-available += no-vc-detected 138no-vc-detected: 139 @echo "No version control files detected; skipping syntax check" 140endif 141.PHONY: $(local-checks-available) 142 143# Arrange to print the name of each syntax-checking rule just before running it. 144$(syntax-check-rules): %: %.m 145sc_m_rules_ = $(patsubst %, %.m, $(syntax-check-rules)) 146.PHONY: $(sc_m_rules_) 147$(sc_m_rules_): 148 @echo $(patsubst sc_%.m, %, $@) 149 @date +%s.%N > .sc-start-$(basename $@) 150 151# Compute and print the elapsed time for each syntax-check rule. 152sc_z_rules_ = $(patsubst %, %.z, $(syntax-check-rules)) 153.PHONY: $(sc_z_rules_) 154$(sc_z_rules_): %.z: % 155 @end=$$(date +%s.%N); \ 156 start=$$(cat .sc-start-$*); \ 157 rm -f .sc-start-$*; \ 158 awk -v s=$$start -v e=$$end \ 159 'END {printf "%.2f $(patsubst sc_%,%,$*)\n", e - s}' < /dev/null 160 161# The patsubst here is to replace each sc_% rule with its sc_%.z wrapper 162# that computes and prints elapsed time. 163local-check := \ 164 $(patsubst sc_%, sc_%.z, \ 165 $(filter-out $(local-checks-to-skip), $(local-checks-available))) 166 167syntax-check: $(local-check) 168 169# _sc_search_regexp 170# 171# This macro searches for a given construct in the selected files and 172# then takes some action. 173# 174# Parameters (shell variables): 175# 176# prohibit | require 177# 178# Regular expression (ERE) denoting either a forbidden construct 179# or a required construct. Those arguments are exclusive. 180# 181# in_vc_files | in_files 182# 183# grep-E-style regexp denoting the files to check. If no files 184# are specified the default are all the files that are under 185# version control. 186# 187# containing | non_containing 188# 189# Select the files (non) containing strings matching this regexp. 190# If both arguments are specified then CONTAINING takes 191# precedence. 192# 193# with_grep_options 194# 195# Extra options for grep. 196# 197# ignore_case 198# 199# Ignore case. 200# 201# halt 202# 203# Message to display before to halting execution. 204# 205# Finally, you may exempt files based on an ERE matching file names. 206# For example, to exempt from the sc_space_tab check all files with the 207# .diff suffix, set this Make variable: 208# 209# exclude_file_name_regexp--sc_space_tab = \.diff$ 210# 211# Note that while this functionality is mostly inherited via VC_LIST_EXCEPT, 212# when filtering by name via in_files, we explicitly filter out matching 213# names here as well. 214 215# By default, _sc_search_regexp does not ignore case. 216export ignore_case = 217_ignore_case = $$(test -n "$$ignore_case" && printf %s -i || :) 218 219define _sc_say_and_exit 220 dummy=; : so we do not need a semicolon before each use; \ 221 { printf '%s\n' "$(ME): $$msg" 1>&2; exit 1; }; 222endef 223 224# _sc_search_regexp used to be named _prohibit_regexp. However, 225# upgrading to the new definition and leaving the old name undefined 226# would usually convert each custom rule using $(_prohibit_regexp) 227# (usually defined in cfg.mk) into a no-op. This definition ensures 228# that people know right away if they're still using the old name. 229# FIXME: remove in 2012. 230_prohibit_regexp = \ 231 $(error '*** you need to s/_prohibit_regexp/_sc_search_regexp/, and adapt') 232 233define _sc_search_regexp 234 dummy=; : so we do not need a semicolon before each use; \ 235 \ 236 : Check arguments; \ 237 test -n "$$prohibit" && test -n "$$require" \ 238 && { msg='Cannot specify both prohibit and require' \ 239 $(_sc_say_and_exit) } || :; \ 240 test -z "$$prohibit" && test -z "$$require" \ 241 && { msg='Should specify either prohibit or require' \ 242 $(_sc_say_and_exit) } || :; \ 243 test -n "$$in_vc_files" && test -n "$$in_files" \ 244 && { msg='Cannot specify both in_vc_files and in_files' \ 245 $(_sc_say_and_exit) } || :; \ 246 test "x$$halt" != x \ 247 || { msg='halt not defined' $(_sc_say_and_exit) }; \ 248 \ 249 : Filter by file name; \ 250 if test -n "$$in_files"; then \ 251 files=$$(find $(srcdir) | grep -E "$$in_files" \ 252 | grep -Ev '$(exclude_file_name_regexp--$@)'); \ 253 else \ 254 files=$$($(VC_LIST_EXCEPT)); \ 255 if test -n "$$in_vc_files"; then \ 256 files=$$(echo "$$files" | grep -E "$$in_vc_files"); \ 257 fi; \ 258 fi; \ 259 \ 260 : Filter by content; \ 261 test -n "$$files" && test -n "$$containing" \ 262 && { files=$$(grep -l "$$containing" $$files); } || :; \ 263 test -n "$$files" && test -n "$$non_containing" \ 264 && { files=$$(grep -vl "$$non_containing" $$files); } || :; \ 265 \ 266 : Check for the construct; \ 267 if test -n "$$files"; then \ 268 if test -n "$$prohibit"; then \ 269 grep $$with_grep_options $(_ignore_case) -nE "$$prohibit" $$files \ 270 && { msg="$$halt" $(_sc_say_and_exit) } || :; \ 271 else \ 272 grep $$with_grep_options $(_ignore_case) -LE "$$require" $$files \ 273 | grep . \ 274 && { msg="$$halt" $(_sc_say_and_exit) } || :; \ 275 fi \ 276 else :; \ 277 fi || :; 278endef 279 280sc_avoid_if_before_free: 281 @$(srcdir)/$(_build-aux)/useless-if-before-free \ 282 $(useless_free_options) \ 283 $$($(VC_LIST_EXCEPT) | grep -v useless-if-before-free) && \ 284 { echo '$(ME): found useless "if" before "free" above' 1>&2; \ 285 exit 1; } || : 286 287sc_cast_of_argument_to_free: 288 @prohibit='\<free *\( *\(' halt='don'\''t cast free argument' \ 289 $(_sc_search_regexp) 290 291sc_cast_of_x_alloc_return_value: 292 @prohibit='\*\) *x(m|c|re)alloc\>' \ 293 halt='don'\''t cast x*alloc return value' \ 294 $(_sc_search_regexp) 295 296sc_cast_of_alloca_return_value: 297 @prohibit='\*\) *alloca\>' \ 298 halt='don'\''t cast alloca return value' \ 299 $(_sc_search_regexp) 300 301sc_space_tab: 302 @prohibit='[ ] ' \ 303 halt='found SPACE-TAB sequence; remove the SPACE' \ 304 $(_sc_search_regexp) 305 306# Don't use *scanf or the old ato* functions in `real' code. 307# They provide no error checking mechanism. 308# Instead, use strto* functions. 309sc_prohibit_atoi_atof: 310 @prohibit='\<([fs]?scanf|ato([filq]|ll)) *\(' \ 311 halt='do not use *scan''f, ato''f, ato''i, ato''l, ato''ll or ato''q' \ 312 $(_sc_search_regexp) 313 314# Use STREQ rather than comparing strcmp == 0, or != 0. 315sc_prohibit_strcmp: 316 @grep -nE '! *str''cmp *\(|\<str''cmp *\(.+\) *[!=]=' \ 317 $$($(VC_LIST_EXCEPT)) \ 318 | grep -vE ':# *define STRN?EQ\(' && \ 319 { echo '$(ME): replace str''cmp calls above with STREQ/STRNEQ' \ 320 1>&2; exit 1; } || : 321 322# Pass EXIT_*, not number, to usage, exit, and error (when exiting) 323# Convert all uses automatically, via these two commands: 324# git grep -l '\<exit *(1)' \ 325# | grep -vEf .x-sc_prohibit_magic_number_exit \ 326# | xargs --no-run-if-empty \ 327# perl -pi -e 's/(^|[^.])\b(exit ?)\(1\)/$1$2(EXIT_FAILURE)/' 328# git grep -l '\<exit *(0)' \ 329# | grep -vEf .x-sc_prohibit_magic_number_exit \ 330# | xargs --no-run-if-empty \ 331# perl -pi -e 's/(^|[^.])\b(exit ?)\(0\)/$1$2(EXIT_SUCCESS)/' 332sc_prohibit_magic_number_exit: 333 @prohibit='(^|[^.])\<(usage|exit) ?\([0-9]|\<error ?\([1-9][0-9]*,' \ 334 halt='use EXIT_* values rather than magic number' \ 335 $(_sc_search_regexp) 336 337# Using EXIT_SUCCESS as the first argument to error is misleading, 338# since when that parameter is 0, error does not exit. Use `0' instead. 339sc_error_exit_success: 340 @prohibit='error *\(EXIT_SUCCESS,' \ 341 in_vc_files='\.[chly]$$' \ 342 halt='found error (EXIT_SUCCESS' \ 343 $(_sc_search_regexp) 344 345# `FATAL:' should be fully upper-cased in error messages 346# `WARNING:' should be fully upper-cased, or fully lower-cased 347sc_error_message_warn_fatal: 348 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ 349 | grep -E '"Warning|"Fatal|"fatal' && \ 350 { echo '$(ME): use FATAL, WARNING or warning' 1>&2; \ 351 exit 1; } || : 352 353# Error messages should not start with a capital letter 354sc_error_message_uppercase: 355 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ 356 | grep -E '"[A-Z]' \ 357 | grep -vE '"FATAL|"WARNING|"Java|"C#|PRIuMAX' && \ 358 { echo '$(ME): found capitalized error message' 1>&2; \ 359 exit 1; } || : 360 361# Error messages should not end with a period 362sc_error_message_period: 363 @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ 364 | grep -E '[^."]\."' && \ 365 { echo '$(ME): found error message ending in period' 1>&2; \ 366 exit 1; } || : 367 368sc_file_system: 369 @prohibit=file''system \ 370 ignore_case=1 \ 371 halt='found use of "file''system"; spell it "file system"' \ 372 $(_sc_search_regexp) 373 374# Don't use cpp tests of this symbol. All code assumes config.h is included. 375sc_prohibit_have_config_h: 376 @prohibit='^# *if.*HAVE''_CONFIG_H' \ 377 halt='found use of HAVE''_CONFIG_H; remove' \ 378 $(_sc_search_regexp) 379 380# Nearly all .c files must include <config.h>. However, we also permit this 381# via inclusion of a package-specific header, if cfg.mk specified one. 382# config_h_header must be suitable for grep -E. 383config_h_header ?= <config\.h> 384sc_require_config_h: 385 @require='^# *include $(config_h_header)' \ 386 in_vc_files='\.c$$' \ 387 halt='the above files do not include <config.h>' \ 388 $(_sc_search_regexp) 389 390# You must include <config.h> before including any other header file. 391# This can possibly be via a package-specific header, if given by cfg.mk. 392sc_require_config_h_first: 393 @if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \ 394 fail=0; \ 395 for i in $$($(VC_LIST_EXCEPT) | grep '\.c$$'); do \ 396 grep '^# *include\>' $$i | sed 1q \ 397 | grep -E '^# *include $(config_h_header)' > /dev/null \ 398 || { echo $$i; fail=1; }; \ 399 done; \ 400 test $$fail = 1 && \ 401 { echo '$(ME): the above files include some other header' \ 402 'before <config.h>' 1>&2; exit 1; } || :; \ 403 else :; \ 404 fi 405 406sc_prohibit_HAVE_MBRTOWC: 407 @prohibit='\bHAVE_MBRTOWC\b' \ 408 halt="do not use $$prohibit; it is always defined" \ 409 $(_sc_search_regexp) 410 411# To use this "command" macro, you must first define two shell variables: 412# h: the header name, with no enclosing <> or "" 413# re: a regular expression that matches IFF something provided by $h is used. 414define _sc_header_without_use 415 dummy=; : so we do not need a semicolon before each use; \ 416 h_esc=`echo '[<"]'"$$h"'[">]'|sed 's/\./\\\\./g'`; \ 417 if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \ 418 files=$$(grep -l '^# *include '"$$h_esc" \ 419 $$($(VC_LIST_EXCEPT) | grep '\.c$$')) && \ 420 grep -LE "$$re" $$files | grep . && \ 421 { echo "$(ME): the above files include $$h but don't use it" \ 422 1>&2; exit 1; } || :; \ 423 else :; \ 424 fi 425endef 426 427# Prohibit the inclusion of assert.h without an actual use of assert. 428sc_prohibit_assert_without_use: 429 @h='assert.h' re='\<assert *\(' $(_sc_header_without_use) 430 431# Prohibit the inclusion of close-stream.h without an actual use. 432sc_prohibit_close_stream_without_use: 433 @h='close-stream.h' re='\<close_stream *\(' $(_sc_header_without_use) 434 435# Prohibit the inclusion of getopt.h without an actual use. 436sc_prohibit_getopt_without_use: 437 @h='getopt.h' re='\<getopt(_long)? *\(' $(_sc_header_without_use) 438 439# Don't include quotearg.h unless you use one of its functions. 440sc_prohibit_quotearg_without_use: 441 @h='quotearg.h' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use) 442 443# Don't include quote.h unless you use one of its functions. 444sc_prohibit_quote_without_use: 445 @h='quote.h' re='\<quote(_n)? *\(' $(_sc_header_without_use) 446 447# Don't include this header unless you use one of its functions. 448sc_prohibit_long_options_without_use: 449 @h='long-options.h' re='\<parse_long_options *\(' \ 450 $(_sc_header_without_use) 451 452# Don't include this header unless you use one of its functions. 453sc_prohibit_inttostr_without_use: 454 @h='inttostr.h' re='\<(off|[iu]max|uint)tostr *\(' \ 455 $(_sc_header_without_use) 456 457# Don't include this header unless you use one of its functions. 458sc_prohibit_ignore_value_without_use: 459 @h='ignore-value.h' re='\<ignore_(value|ptr) *\(' \ 460 $(_sc_header_without_use) 461 462# Don't include this header unless you use one of its functions. 463sc_prohibit_error_without_use: 464 @h='error.h' \ 465 re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\ 466 $(_sc_header_without_use) 467 468# Don't include xalloc.h unless you use one of its functions. 469# Consider these symbols: 470# perl -lne '/^# *define (\w+)\(/ and print $1' lib/xalloc.h|grep -v '^__'; 471# perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/xalloc.h 472# Divide into two sets on case, and filter each through this: 473# | sort | perl -MRegexp::Assemble -le \ 474# 'print Regexp::Assemble->new(file => "/dev/stdin")->as_string'|sed 's/\?://g' 475# Note this was produced by the above: 476# _xa1 = \ 477#x(((2n?)?re|c(har)?|n(re|m)|z)alloc|alloc_(oversized|die)|m(alloc|emdup)|strdup) 478# But we can do better, in at least two ways: 479# 1) take advantage of two "dup"-suffixed strings: 480# x(((2n?)?re|c(har)?|n(re|m)|[mz])alloc|alloc_(oversized|die)|(mem|str)dup) 481# 2) notice that "c(har)?|[mz]" is equivalent to the shorter and more readable 482# "char|[cmz]" 483# x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup) 484_xa1 = x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup) 485_xa2 = X([CZ]|N?M)ALLOC 486sc_prohibit_xalloc_without_use: 487 @h='xalloc.h' \ 488 re='\<($(_xa1)|$(_xa2)) *\('\ 489 $(_sc_header_without_use) 490 491# Extract function names: 492# perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/hash.h 493_hash_re = \ 494clear|delete|free|get_(first|next)|insert|lookup|print_statistics|reset_tuning 495_hash_fn = \<($(_hash_re)) *\( 496_hash_struct = (struct )?\<[Hh]ash_(table|tuning)\> 497sc_prohibit_hash_without_use: 498 @h='hash.h' \ 499 re='$(_hash_fn)|$(_hash_struct)'\ 500 $(_sc_header_without_use) 501 502sc_prohibit_cloexec_without_use: 503 @h='cloexec.h' re='\<(set_cloexec_flag|dup_cloexec) *\(' \ 504 $(_sc_header_without_use) 505 506sc_prohibit_posixver_without_use: 507 @h='posixver.h' re='\<posix2_version *\(' $(_sc_header_without_use) 508 509sc_prohibit_same_without_use: 510 @h='same.h' re='\<same_name *\(' $(_sc_header_without_use) 511 512sc_prohibit_hash_pjw_without_use: 513 @h='hash-pjw.h' \ 514 re='\<hash_pjw *\(' \ 515 $(_sc_header_without_use) 516 517sc_prohibit_safe_read_without_use: 518 @h='safe-read.h' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \ 519 $(_sc_header_without_use) 520 521sc_prohibit_argmatch_without_use: 522 @h='argmatch.h' \ 523 re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<(invalid_arg|argmatch(_exit_fn|_(in)?valid)?) *\()' \ 524 $(_sc_header_without_use) 525 526sc_prohibit_canonicalize_without_use: 527 @h='canonicalize.h' \ 528 re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode)' \ 529 $(_sc_header_without_use) 530 531sc_prohibit_root_dev_ino_without_use: 532 @h='root-dev-ino.h' \ 533 re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \ 534 $(_sc_header_without_use) 535 536sc_prohibit_openat_without_use: 537 @h='openat.h' \ 538 re='\<(openat_(permissive|needs_fchdir|(save|restore)_fail)|l?(stat|ch(own|mod))at|(euid)?accessat)\>' \ 539 $(_sc_header_without_use) 540 541# Prohibit the inclusion of c-ctype.h without an actual use. 542ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\ 543|isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper 544sc_prohibit_c_ctype_without_use: 545 @h='c-ctype.h' re='\<c_($(ctype_re)) *\(' \ 546 $(_sc_header_without_use) 547 548_empty = 549_sp = $(_empty) $(_empty) 550# The following list was generated by running: 551# man signal.h|col -b|perl -ne '/bsd_signal.*;/.../sigwaitinfo.*;/ and print' \ 552# | perl -lne '/^\s+(?:int|void).*?(\w+).*/ and print $1' | fmt 553_sig_functions = \ 554 bsd_signal kill killpg pthread_kill pthread_sigmask raise sigaction \ 555 sigaddset sigaltstack sigdelset sigemptyset sigfillset sighold sigignore \ 556 siginterrupt sigismember signal sigpause sigpending sigprocmask sigqueue \ 557 sigrelse sigset sigsuspend sigtimedwait sigwait sigwaitinfo 558_sig_function_re = $(subst $(_sp),|,$(strip $(_sig_functions))) 559# The following were extracted from "man signal.h" manually. 560_sig_types_and_consts = \ 561 MINSIGSTKSZ SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK \ 562 SA_RESETHAND SA_RESTART SA_SIGINFO SIGEV_NONE SIGEV_SIGNAL \ 563 SIGEV_THREAD SIGSTKSZ SIG_BLOCK SIG_SETMASK SIG_UNBLOCK SS_DISABLE \ 564 SS_ONSTACK mcontext_t pid_t sig_atomic_t sigevent siginfo_t sigset_t \ 565 sigstack sigval stack_t ucontext_t 566# generated via this: 567# perl -lne '/^#ifdef (SIG\w+)/ and print $1' lib/sig2str.c|sort -u|fmt -70 568_sig_names = \ 569 SIGABRT SIGALRM SIGALRM1 SIGBUS SIGCANCEL SIGCHLD SIGCLD SIGCONT \ 570 SIGDANGER SIGDIL SIGEMT SIGFPE SIGFREEZE SIGGRANT SIGHUP SIGILL \ 571 SIGINFO SIGINT SIGIO SIGIOT SIGKAP SIGKILL SIGKILLTHR SIGLOST SIGLWP \ 572 SIGMIGRATE SIGMSG SIGPHONE SIGPIPE SIGPOLL SIGPRE SIGPROF SIGPWR \ 573 SIGQUIT SIGRETRACT SIGSAK SIGSEGV SIGSOUND SIGSTKFLT SIGSTOP SIGSYS \ 574 SIGTERM SIGTHAW SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGURG SIGUSR1 \ 575 SIGUSR2 SIGVIRT SIGVTALRM SIGWAITING SIGWINCH SIGWIND SIGWINDOW \ 576 SIGXCPU SIGXFSZ 577_sig_syms_re = $(subst $(_sp),|,$(strip $(_sig_names) $(_sig_types_and_consts))) 578 579# Prohibit the inclusion of signal.h without an actual use. 580sc_prohibit_signal_without_use: 581 @h='signal.h' \ 582 re='\<($(_sig_function_re)) *\(|\<($(_sig_syms_re))\>' \ 583 $(_sc_header_without_use) 584 585# Don't include stdio--.h unless you use one of its functions. 586sc_prohibit_stdio--_without_use: 587 @h='stdio--.h' re='\<((f(re)?|p)open|tmpfile) *\(' \ 588 $(_sc_header_without_use) 589 590# Don't include stdio-safer.h unless you use one of its functions. 591sc_prohibit_stdio-safer_without_use: 592 @h='stdio-safer.h' re='\<((f(re)?|p)open|tmpfile)_safer *\(' \ 593 $(_sc_header_without_use) 594 595# Prohibit the inclusion of strings.h without a sensible use. 596# Using the likes of bcmp, bcopy, bzero, index or rindex is not sensible. 597sc_prohibit_strings_without_use: 598 @h='strings.h' \ 599 re='\<(strn?casecmp|ffs(ll)?)\>' \ 600 $(_sc_header_without_use) 601 602# Get the list of symbol names with this: 603# perl -lne '/^# *define ([A-Z]\w+)\(/ and print $1' lib/intprops.h|fmt 604_intprops_names = \ 605 TYPE_IS_INTEGER TYPE_TWOS_COMPLEMENT TYPE_ONES_COMPLEMENT \ 606 TYPE_SIGNED_MAGNITUDE TYPE_SIGNED TYPE_MINIMUM TYPE_MAXIMUM \ 607 INT_BITS_STRLEN_BOUND INT_STRLEN_BOUND INT_BUFSIZE_BOUND \ 608 INT_ADD_RANGE_OVERFLOW INT_SUBTRACT_RANGE_OVERFLOW \ 609 INT_NEGATE_RANGE_OVERFLOW INT_MULTIPLY_RANGE_OVERFLOW \ 610 INT_DIVIDE_RANGE_OVERFLOW INT_REMAINDER_RANGE_OVERFLOW \ 611 INT_LEFT_SHIFT_RANGE_OVERFLOW INT_ADD_OVERFLOW INT_SUBTRACT_OVERFLOW \ 612 INT_NEGATE_OVERFLOW INT_MULTIPLY_OVERFLOW INT_DIVIDE_OVERFLOW \ 613 INT_REMAINDER_OVERFLOW INT_LEFT_SHIFT_OVERFLOW 614_intprops_syms_re = $(subst $(_sp),|,$(strip $(_intprops_names))) 615# Prohibit the inclusion of intprops.h without an actual use. 616sc_prohibit_intprops_without_use: 617 @h='intprops.h' \ 618 re='\<($(_intprops_syms_re)) *\(' \ 619 $(_sc_header_without_use) 620 621_stddef_syms_re = NULL|offsetof|ptrdiff_t|size_t|wchar_t 622# Prohibit the inclusion of stddef.h without an actual use. 623sc_prohibit_stddef_without_use: 624 @h='stddef.h' \ 625 re='\<($(_stddef_syms_re))\>' \ 626 $(_sc_header_without_use) 627 628_de1 = dirfd|(close|(fd)?open|read|rewind|seek|tell)dir(64)?(_r)? 629_de2 = (versionsort|struct dirent|getdirentries|alphasort|scandir(at)?)(64)? 630_de3 = MAXNAMLEN|DIR|ino_t|d_ino|d_fileno|d_namlen 631_dirent_syms_re = $(_de1)|$(_de2)|$(_de3) 632# Prohibit the inclusion of dirent.h without an actual use. 633sc_prohibit_dirent_without_use: 634 @h='dirent.h' \ 635 re='\<($(_dirent_syms_re))\>' \ 636 $(_sc_header_without_use) 637 638# Prohibit the inclusion of verify.h without an actual use. 639sc_prohibit_verify_without_use: 640 @h='verify.h' \ 641 re='\<(verify(true|expr)?|static_assert) *\(' \ 642 $(_sc_header_without_use) 643 644# Don't include xfreopen.h unless you use one of its functions. 645sc_prohibit_xfreopen_without_use: 646 @h='xfreopen.h' re='\<xfreopen *\(' $(_sc_header_without_use) 647 648sc_obsolete_symbols: 649 @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \ 650 halt='do not use HAVE''_FCNTL_H or O'_NDELAY \ 651 $(_sc_search_regexp) 652 653# FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ 654 655# Each nonempty ChangeLog line must start with a year number, or a TAB. 656sc_changelog: 657 @prohibit='^[^12 ]' \ 658 in_vc_files='^ChangeLog$$' \ 659 halt='found unexpected prefix in a ChangeLog' \ 660 $(_sc_search_regexp) 661 662# Ensure that each .c file containing a "main" function also 663# calls set_program_name. 664sc_program_name: 665 @require='set_program_name *\(m?argv\[0\]\);' \ 666 in_vc_files='\.c$$' \ 667 containing='\<main *(' \ 668 halt='the above files do not call set_program_name' \ 669 $(_sc_search_regexp) 670 671# Ensure that each .c file containing a "main" function also 672# calls bindtextdomain. 673sc_bindtextdomain: 674 @require='bindtextdomain *\(' \ 675 in_vc_files='\.c$$' \ 676 containing='\<main *(' \ 677 halt='the above files do not call bindtextdomain' \ 678 $(_sc_search_regexp) 679 680# Require that the final line of each test-lib.sh-using test be this one: 681# Exit $fail 682# Note: this test requires GNU grep's --label= option. 683Exit_witness_file ?= tests/test-lib.sh 684Exit_base := $(notdir $(Exit_witness_file)) 685sc_require_test_exit_idiom: 686 @if test -f $(srcdir)/$(Exit_witness_file); then \ 687 die=0; \ 688 for i in $$(grep -l -F 'srcdir/$(Exit_base)' \ 689 $$($(VC_LIST) tests)); do \ 690 tail -n1 $$i | grep '^Exit .' > /dev/null \ 691 && : || { die=1; echo $$i; } \ 692 done; \ 693 test $$die = 1 && \ 694 { echo 1>&2 '$(ME): the final line in each of the above is not:'; \ 695 echo 1>&2 'Exit something'; \ 696 exit 1; } || :; \ 697 fi 698 699sc_trailing_blank: 700 @prohibit='[ ]$$' \ 701 halt='found trailing blank(s)' \ 702 $(_sc_search_regexp) 703 704# Match lines like the following, but where there is only one space 705# between the options and the description: 706# -D, --all-repeated[=delimit-method] print all duplicate lines\n 707longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)? 708sc_two_space_separator_in_usage: 709 @prohibit='^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \ 710 halt='help2man requires at least two spaces between an option and its description'\ 711 $(_sc_search_regexp) 712 713# A regexp matching function names like "error" that may be used 714# to emit translatable messages. 715_gl_translatable_diag_func_re ?= error 716 717# Look for diagnostics that aren't marked for translation. 718# This won't find any for which error's format string is on a separate line. 719sc_unmarked_diagnostics: 720 @grep -nE \ 721 '\<$(_gl_translatable_diag_func_re) *\([^"]*"[^"]*[a-z]{3}' \ 722 $$($(VC_LIST_EXCEPT)) \ 723 | grep -Ev '(_|ngettext ?)\(' && \ 724 { echo '$(ME): found unmarked diagnostic(s)' 1>&2; \ 725 exit 1; } || : 726 727# Avoid useless parentheses like those in this example: 728# #if defined (SYMBOL) || defined (SYM2) 729sc_useless_cpp_parens: 730 @prohibit='^# *if .*defined *\(' \ 731 halt='found useless parentheses in cpp directive' \ 732 $(_sc_search_regexp) 733 734# List headers for which HAVE_HEADER_H is always true, assuming you are 735# using the appropriate gnulib module. CAUTION: for each "unnecessary" 736# #if HAVE_HEADER_H that you remove, be sure that your project explicitly 737# requires the gnulib module that guarantees the usability of that header. 738gl_assured_headers_ = \ 739 cd $(gnulib_dir)/lib && echo *.in.h|sed 's/\.in\.h//g' 740 741# Convert the list of names to upper case, and replace each space with "|". 742az_ = abcdefghijklmnopqrstuvwxyz 743AZ_ = ABCDEFGHIJKLMNOPQRSTUVWXYZ 744gl_header_upper_case_or_ = \ 745 $$($(gl_assured_headers_) \ 746 | tr $(az_)/.- $(AZ_)___ \ 747 | tr -s ' ' '|' \ 748 ) 749sc_prohibit_always_true_header_tests: 750 @or=$(gl_header_upper_case_or_); \ 751 re="HAVE_($$or)_H"; \ 752 prohibit='\<'"$$re"'\>' \ 753 halt=$$(printf '%s\n' \ 754 'do not test the above HAVE_<header>_H symbol(s);' \ 755 ' with the corresponding gnulib module, they are always true') \ 756 $(_sc_search_regexp) 757 758# ================================================================== 759gl_other_headers_ ?= \ 760 intprops.h \ 761 openat.h \ 762 stat-macros.h 763 764# Perl -lne code to extract "significant" cpp-defined symbols from a 765# gnulib header file, eliminating a few common false-positives. 766# The exempted names below are defined only conditionally in gnulib, 767# and hence sometimes must/may be defined in application code. 768gl_extract_significant_defines_ = \ 769 /^\# *define ([^_ (][^ (]*)(\s*\(|\s+\w+)/\ 770 && $$2 !~ /(?:rpl_|_used_without_)/\ 771 && $$1 !~ /^(?:NSIG|ENODATA)$$/\ 772 && $$1 !~ /^(?:SA_RESETHAND|SA_RESTART)$$/\ 773 and print $$1 774 775# Create a list of regular expressions matching the names 776# of macros that are guaranteed to be defined by parts of gnulib. 777define def_sym_regex 778 gen_h=$(gl_generated_headers_); \ 779 (cd $(gnulib_dir)/lib; \ 780 for f in *.in.h $(gl_other_headers_); do \ 781 test -f $$f \ 782 && perl -lne '$(gl_extract_significant_defines_)' $$f; \ 783 done; \ 784 ) | sort -u \ 785 | sed 's/^/^ *# *(define|undef) */;s/$$/\\>/' 786endef 787 788# Don't define macros that we already get from gnulib header files. 789sc_prohibit_always-defined_macros: 790 @if test -d $(gnulib_dir); then \ 791 case $$(echo all: | grep -l -f - Makefile) in Makefile);; *) \ 792 echo '$(ME): skipping $@: you lack GNU grep' 1>&2; exit 0;; \ 793 esac; \ 794 $(def_sym_regex) | grep -E -f - $$($(VC_LIST_EXCEPT)) \ 795 && { echo '$(ME): define the above via some gnulib .h file' \ 796 1>&2; exit 1; } || :; \ 797 fi 798# ================================================================== 799 800# Prohibit checked in backup files. 801sc_prohibit_backup_files: 802 @$(VC_LIST) | grep '~$$' && \ 803 { echo '$(ME): found version controlled backup file' 1>&2; \ 804 exit 1; } || : 805 806# Require the latest GPL. 807sc_GPL_version: 808 @prohibit='either ''version [^3]' \ 809 halt='GPL vN, N!=3' \ 810 $(_sc_search_regexp) 811 812# Require the latest GFDL. Two regexp, since some .texi files end up 813# line wrapping between 'Free Documentation License,' and 'Version'. 814_GFDL_regexp = (Free ''Documentation.*Version 1\.[^3]|Version 1\.[^3] or any) 815sc_GFDL_version: 816 @prohibit='$(_GFDL_regexp)' \ 817 halt='GFDL vN, N!=3' \ 818 $(_sc_search_regexp) 819 820# Don't use Texinfo's @acronym{}. 821# http://lists.gnu.org/archive/html/bug-gnulib/2010-03/msg00321.html 822texinfo_suffix_re_ ?= \.(txi|texi(nfo)?)$$ 823sc_texinfo_acronym: 824 @prohibit='@acronym\{' \ 825 in_vc_files='$(texinfo_suffix_re_)' \ 826 halt='found use of Texinfo @acronym{}' \ 827 $(_sc_search_regexp) 828 829cvs_keywords = \ 830 Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State 831 832sc_prohibit_cvs_keyword: 833 @prohibit='\$$($(cvs_keywords))\$$' \ 834 halt='do not use CVS keyword expansion' \ 835 $(_sc_search_regexp) 836 837# This Perl code is slightly obfuscated. Not only is each "$" doubled 838# because it's in a Makefile, but the $$c's are comments; we cannot 839# use "#" due to the way the script ends up concatenated onto one line. 840# It would be much more concise, and would produce better output (including 841# counts) if written as: 842# perl -ln -0777 -e '/\n(\n+)$/ and print "$ARGV: ".length $1' ... 843# but that would be far less efficient, reading the entire contents 844# of each file, rather than just the last two bytes of each. 845# In addition, while the code below detects both blank lines and a missing 846# newline at EOF, the above detects only the former. 847# 848# This is a perl script that is expected to be the single-quoted argument 849# to a command-line "-le". The remaining arguments are file names. 850# Print the name of each file that ends in exactly one newline byte. 851# I.e., warn if there are blank lines (2 or more newlines), or if the 852# last byte is not a newline. However, currently we don't complain 853# about any file that contains exactly one byte. 854# Exit nonzero if at least one such file is found, otherwise, exit 0. 855# Warn about, but otherwise ignore open failure. Ignore seek/read failure. 856# 857# Use this if you want to remove trailing empty lines from selected files: 858# perl -pi -0777 -e 's/\n\n+$/\n/' files... 859# 860require_exactly_one_NL_at_EOF_ = \ 861 foreach my $$f (@ARGV) \ 862 { \ 863 open F, "<", $$f or (warn "failed to open $$f: $$!\n"), next; \ 864 my $$p = sysseek (F, -2, 2); \ 865 my $$c = "seek failure probably means file has < 2 bytes; ignore"; \ 866 my $$last_two_bytes; \ 867 defined $$p and $$p = sysread F, $$last_two_bytes, 2; \ 868 close F; \ 869 $$c = "ignore read failure"; \ 870 $$p && ($$last_two_bytes eq "\n\n" \ 871 || substr ($$last_two_bytes,1) ne "\n") \ 872 and (print $$f), $$fail=1; \ 873 } \ 874 END { exit defined $$fail } 875sc_prohibit_empty_lines_at_EOF: 876 @perl -le '$(require_exactly_one_NL_at_EOF_)' $$($(VC_LIST_EXCEPT)) \ 877 || { echo '$(ME): empty line(s) or no newline at EOF' \ 878 1>&2; exit 1; } || : 879 880# Make sure we don't use st_blocks. Use ST_NBLOCKS instead. 881# This is a bit of a kludge, since it prevents use of the string 882# even in comments, but for now it does the job with no false positives. 883sc_prohibit_stat_st_blocks: 884 @prohibit='[.>]st_blocks' \ 885 halt='do not use st_blocks; use ST_NBLOCKS' \ 886 $(_sc_search_regexp) 887 888# Make sure we don't define any S_IS* macros in src/*.c files. 889# They're already defined via gnulib's sys/stat.h replacement. 890sc_prohibit_S_IS_definition: 891 @prohibit='^ *# *define *S_IS' \ 892 halt='do not define S_IS* macros; include <sys/stat.h>' \ 893 $(_sc_search_regexp) 894 895# Perl block to convert a match to FILE_NAME:LINENO:TEST, 896# that is shared by two definitions below. 897perl_filename_lineno_text_ = \ 898 -e ' {' \ 899 -e ' $$n = ($$` =~ tr/\n/\n/ + 1);' \ 900 -e ' ($$v = $$&) =~ s/\n/\\n/g;' \ 901 -e ' print "$$ARGV:$$n:$$v\n";' \ 902 -e ' }' 903 904prohibit_doubled_word_RE_ ?= \ 905 /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims 906prohibit_doubled_word_ = \ 907 -e 'while ($(prohibit_doubled_word_RE_))' \ 908 $(perl_filename_lineno_text_) 909 910# Define this to a regular expression that matches 911# any filename:dd:match lines you want to ignore. 912# The default is to ignore no matches. 913ignore_doubled_word_match_RE_ ?= ^$$ 914 915sc_prohibit_doubled_word: 916 @perl -n -0777 $(prohibit_doubled_word_) $$($(VC_LIST_EXCEPT)) \ 917 | grep -vE '$(ignore_doubled_word_match_RE_)' \ 918 | grep . && { echo '$(ME): doubled words' 1>&2; exit 1; } || : 919 920# A regular expression matching undesirable combinations of words like 921# "can not"; this matches them even when the two words appear on different 922# lines, but not when there is an intervening delimiter like "#" or "*". 923prohibit_undesirable_word_seq_RE_ ?= \ 924 /\bcan\s+not\b/gims 925prohibit_undesirable_word_seq_ = \ 926 -e 'while ($(prohibit_undesirable_word_seq_RE_))' \ 927 $(perl_filename_lineno_text_) 928# Define this to a regular expression that matches 929# any filename:dd:match lines you want to ignore. 930# The default is to ignore no matches. 931ignore_undesirable_word_sequence_RE_ ?= ^$$ 932 933sc_prohibit_undesirable_word_seq: 934 @perl -n -0777 $(prohibit_undesirable_word_seq_) \ 935 $$($(VC_LIST_EXCEPT)) \ 936 | grep -vE '$(ignore_undesirable_word_sequence_RE_)' | grep . \ 937 && { echo '$(ME): undesirable word sequence' >&2; exit 1; } || : 938 939_ptm1 = use "test C1 && test C2", not "test C1 -''a C2" 940_ptm2 = use "test C1 || test C2", not "test C1 -''o C2" 941# Using test's -a and -o operators is not portable. 942# We prefer test over [, since the latter is spelled [[ in configure.ac. 943sc_prohibit_test_minus_ao: 944 @prohibit='(\<test| \[+) .+ -[ao] ' \ 945 halt='$(_ptm1); $(_ptm2)' \ 946 $(_sc_search_regexp) 947 948# Avoid a test bashism. 949sc_prohibit_test_double_equal: 950 @prohibit='(\<test| \[+) .+ == ' \ 951 containing='#! */bin/[a-z]*sh' \ 952 halt='use "test x = x", not "test x =''= x"' \ 953 $(_sc_search_regexp) 954 955# Each program that uses proper_name_utf8 must link with one of the 956# ICONV libraries. Otherwise, some ICONV library must appear in LDADD. 957# The perl -0777 invocation below extracts the possibly-multi-line 958# definition of LDADD from the appropriate Makefile.am and exits 0 959# when it contains "ICONV". 960sc_proper_name_utf8_requires_ICONV: 961 @progs=$$(grep -l 'proper_name_utf8 ''("' $$($(VC_LIST_EXCEPT)));\ 962 if test "x$$progs" != x; then \ 963 fail=0; \ 964 for p in $$progs; do \ 965 dir=$$(dirname "$$p"); \ 966 perl -0777 \ 967 -ne 'exit !(/^LDADD =(.+?[^\\]\n)/ms && $$1 =~ /ICONV/)' \ 968 $$dir/Makefile.am && continue; \ 969 base=$$(basename "$$p" .c); \ 970 grep "$${base}_LDADD.*ICONV)" $$dir/Makefile.am > /dev/null \ 971 || { fail=1; echo 1>&2 "$(ME): $$p uses proper_name_utf8"; }; \ 972 done; \ 973 test $$fail = 1 && \ 974 { echo 1>&2 '$(ME): the above do not link with any ICONV library'; \ 975 exit 1; } || :; \ 976 fi 977 978# Warn about "c0nst struct Foo const foo[]", 979# but not about "char const *const foo" or "#define const const". 980sc_redundant_const: 981 @prohibit='\bconst\b[[:space:][:alnum:]]{2,}\bconst\b' \ 982 halt='redundant "const" in declarations' \ 983 $(_sc_search_regexp) 984 985sc_const_long_option: 986 @grep '^ *static.*struct option ' $$($(VC_LIST_EXCEPT)) \ 987 | grep -Ev 'const struct option|struct option const' && { \ 988 echo 1>&2 '$(ME): add "const" to the above declarations'; \ 989 exit 1; } || : 990 991NEWS_hash = \ 992 $$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \ 993 $(srcdir)/NEWS \ 994 | perl -0777 -pe \ 995 's/^Copyright.+?Free\sSoftware\sFoundation,\sInc\.\n//ms' \ 996 | md5sum - \ 997 | sed 's/ .*//') 998 999# Ensure that we don't accidentally insert an entry into an old NEWS block. 1000sc_immutable_NEWS: 1001 @if test -f $(srcdir)/NEWS; then \ 1002 test "$(NEWS_hash)" = '$(old_NEWS_hash)' && : || \ 1003 { echo '$(ME): you have modified old NEWS' 1>&2; exit 1; }; \ 1004 fi 1005 1006# Update the hash stored above. Do this after each release and 1007# for any corrections to old entries. 1008update-NEWS-hash: NEWS 1009 perl -pi -e 's/^(old_NEWS_hash[ \t]+:?=[ \t]+).*/$${1}'"$(NEWS_hash)/" \ 1010 $(srcdir)/cfg.mk 1011 1012# Ensure that we use only the standard $(VAR) notation, 1013# not @...@ in Makefile.am, now that we can rely on automake 1014# to emit a definition for each substituted variable. 1015# However, there is still one case in which @VAR@ use is not just 1016# legitimate, but actually required: when augmenting an automake-defined 1017# variable with a prefix. For example, gettext uses this: 1018# MAKEINFO = env LANG= LC_MESSAGES= LC_ALL= LANGUAGE= @MAKEINFO@ 1019# otherwise, makeinfo would put German or French (current locale) 1020# navigation hints in the otherwise-English documentation. 1021# 1022# Allow the package to add exceptions via a hook in cfg.mk; 1023# for example, @PRAGMA_SYSTEM_HEADER@ can be permitted by 1024# setting this to ' && !/PRAGMA_SYSTEM_HEADER/'. 1025_makefile_at_at_check_exceptions ?= 1026sc_makefile_at_at_check: 1027 @perl -ne '/\@[A-Z_0-9]+\@/' \ 1028 -e ' && !/([A-Z_0-9]+)\s+=.*\@\1\@$$/' \ 1029 -e ''$(_makefile_at_at_check_exceptions) \ 1030 -e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}' \ 1031 $$($(VC_LIST_EXCEPT) | grep -E '(^|/)(Makefile\.am|[^/]+\.mk)$$') \ 1032 && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || : 1033 1034news-check: NEWS 1035 if sed -n $(news-check-lines-spec)p $(srcdir)/NEWS \ 1036 | grep -E $(news-check-regexp) >/dev/null; then \ 1037 :; \ 1038 else \ 1039 echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2; \ 1040 exit 1; \ 1041 fi 1042 1043sc_makefile_TAB_only_indentation: 1044 @prohibit='^ [ ]{8}' \ 1045 in_vc_files='akefile|\.mk$$' \ 1046 halt='found TAB-8-space indentation' \ 1047 $(_sc_search_regexp) 1048 1049sc_m4_quote_check: 1050 @prohibit='(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]' \ 1051 in_vc_files='(^configure\.ac|\.m4)$$' \ 1052 halt='quote the first arg to AC_DEF*' \ 1053 $(_sc_search_regexp) 1054 1055fix_po_file_diag = \ 1056'you have changed the set of files with translatable diagnostics;\n\ 1057apply the above patch\n' 1058 1059# Verify that all source files using _() are listed in po/POTFILES.in. 1060po_file ?= $(srcdir)/po/POTFILES.in 1061generated_files ?= $(srcdir)/lib/*.[ch] 1062sc_po_check: 1063 @if test -f $(po_file); then \ 1064 grep -E -v '^(#|$$)' $(po_file) \ 1065 | grep -v '^src/false\.c$$' | sort > $@-1; \ 1066 files=; \ 1067 for file in $$($(VC_LIST_EXCEPT)) $(generated_files); do \ 1068 test -r $$file || continue; \ 1069 case $$file in \ 1070 *.m4|*.mk) continue ;; \ 1071 *.?|*.??) ;; \ 1072 *) continue;; \ 1073 esac; \ 1074 case $$file in \ 1075 *.[ch]) \ 1076 base=`expr " $$file" : ' \(.*\)\..'`; \ 1077 { test -f $$base.l || test -f $$base.y; } && continue;; \ 1078 esac; \ 1079 files="$$files $$file"; \ 1080 done; \ 1081 grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files \ 1082 | sed 's|^$(_dot_escaped_srcdir)/||' | sort -u > $@-2; \ 1083 diff -u -L $(po_file) -L $(po_file) $@-1 $@-2 \ 1084 || { printf '$(ME): '$(fix_po_file_diag) 1>&2; exit 1; }; \ 1085 rm -f $@-1 $@-2; \ 1086 fi 1087 1088# Sometimes it is useful to change the PATH environment variable 1089# in Makefiles. When doing so, it's better not to use the Unix-centric 1090# path separator of `:', but rather the automake-provided `$(PATH_SEPARATOR)'. 1091msg = '$(ME): Do not use `:'\'' above; use $$(PATH_SEPARATOR) instead' 1092sc_makefile_path_separator_check: 1093 @prohibit='PATH[=].*:' \ 1094 in_vc_files='akefile|\.mk$$' \ 1095 halt=$(msg) \ 1096 $(_sc_search_regexp) 1097 1098# Check that `make alpha' will not fail at the end of the process, 1099# i.e., when pkg-M.N.tar.xz already exists (either in "." or in ../release) 1100# and is read-only. 1101writable-files: 1102 if test -d $(release_archive_dir); then \ 1103 for file in $(DIST_ARCHIVES); do \ 1104 for p in ./ $(release_archive_dir)/; do \ 1105 test -e $$p$$file || continue; \ 1106 test -w $$p$$file \ 1107 || { echo ERROR: $$p$$file is not writable; fail=1; }; \ 1108 done; \ 1109 done; \ 1110 test "$$fail" && exit 1 || : ; \ 1111 else :; \ 1112 fi 1113 1114v_etc_file = $(gnulib_dir)/lib/version-etc.c 1115sample-test = tests/sample-test 1116texi = doc/$(PACKAGE).texi 1117# Make sure that the copyright date in $(v_etc_file) is up to date. 1118# Do the same for the $(sample-test) and the main doc/.texi file. 1119sc_copyright_check: 1120 @require='enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' \ 1121 in_files=$(v_etc_file) \ 1122 halt='out of date copyright in $(v_etc_file); update it' \ 1123 $(_sc_search_regexp) 1124 @require='# Copyright \(C\) '$$(date +%Y)' Free' \ 1125 in_vc_files=$(sample-test) \ 1126 halt='out of date copyright in $(sample-test); update it' \ 1127 $(_sc_search_regexp) 1128 @require='Copyright @copyright\{\} .*'$$(date +%Y)' Free' \ 1129 in_vc_files=$(texi) \ 1130 halt='out of date copyright in $(texi); update it' \ 1131 $(_sc_search_regexp) 1132 1133# If tests/help-version exists and seems to be new enough, assume that its 1134# use of init.sh and path_prepend_ is correct, and ensure that every other 1135# use of init.sh is identical. 1136# This is useful because help-version cross-checks prog --version 1137# with $(VERSION), which verifies that its path_prepend_ invocation 1138# sets PATH correctly. This is an inexpensive way to ensure that 1139# the other init.sh-using tests also get it right. 1140_hv_file ?= $(srcdir)/tests/help-version 1141_hv_regex_weak ?= ^ *\. .*/init\.sh" 1142# Fix syntax-highlighters " 1143_hv_regex_strong ?= ^ *\. "\$${srcdir=\.}/init\.sh" 1144sc_cross_check_PATH_usage_in_tests: 1145 @if test -f $(_hv_file); then \ 1146 grep -l 'VERSION mismatch' $(_hv_file) >/dev/null \ 1147 || { echo "$@: skipped: no such file: $(_hv_file)" 1>&2; \ 1148 exit 0; }; \ 1149 grep -lE '$(_hv_regex_strong)' $(_hv_file) >/dev/null \ 1150 || { echo "$@: $(_hv_file) lacks conforming use of init.sh" 1>&2; \ 1151 exit 1; }; \ 1152 good=$$(grep -E '$(_hv_regex_strong)' $(_hv_file)); \ 1153 grep -LFx "$$good" \ 1154 $$(grep -lE '$(_hv_regex_weak)' $$($(VC_LIST_EXCEPT))) \ 1155 | grep . && \ 1156 { echo "$(ME): the above files use path_prepend_ inconsistently" \ 1157 1>&2; exit 1; } || :; \ 1158 fi 1159 1160# #if HAVE_... will evaluate to false for any non numeric string. 1161# That would be flagged by using -Wundef, however gnulib currently 1162# tests many undefined macros, and so we can't enable that option. 1163# So at least preclude common boolean strings as macro values. 1164sc_Wundef_boolean: 1165 @prohibit='^#define.*(yes|no|true|false)$$' \ 1166 in_files='$(CONFIG_INCLUDE)' \ 1167 halt='Use 0 or 1 for macro values' \ 1168 $(_sc_search_regexp) 1169 1170# Even if you use pathmax.h to guarantee that PATH_MAX is defined, it might 1171# not be constant, or might overflow a stack. In general, use PATH_MAX as 1172# a limit, not an array or alloca size. 1173sc_prohibit_path_max_allocation: 1174 @prohibit='(\balloca *\([^)]*|\[[^]]*)PATH_MAX' \ 1175 halt='Avoid stack allocations of size PATH_MAX' \ 1176 $(_sc_search_regexp) 1177 1178sc_vulnerable_makefile_CVE-2009-4029: 1179 @prohibit='perm -777 -exec chmod a\+rwx|chmod 777 \$$\(distdir\)' \ 1180 in_files=$$(find $(srcdir) -name Makefile.in) \ 1181 halt=$$(printf '%s\n' \ 1182 'the above files are vulnerable; beware of running' \ 1183 ' "make dist*" rules, and upgrade to fixed automake' \ 1184 ' see http://bugzilla.redhat.com/542609 for details') \ 1185 $(_sc_search_regexp) 1186 1187vc-diff-check: 1188 (unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || : 1189 if test -s vc-diffs; then \ 1190 cat vc-diffs; \ 1191 echo "Some files are locally modified:" 1>&2; \ 1192 exit 1; \ 1193 else \ 1194 rm vc-diffs; \ 1195 fi 1196 1197rel-files = $(DIST_ARCHIVES) 1198 1199gnulib_dir ?= $(srcdir)/gnulib 1200gnulib-version = $$(cd $(gnulib_dir) && git describe) 1201bootstrap-tools ?= autoconf,automake,gnulib 1202 1203# If it's not already specified, derive the GPG key ID from 1204# the signed tag we've just applied to mark this release. 1205gpg_key_ID ?= \ 1206 $$(git cat-file tag v$(VERSION) > .ann-sig \ 1207 && gpgv .ann-sig - < /dev/null 2>&1 \ 1208 | sed -n '/.*key ID \([0-9A-F]*\)/s//\1/p'; rm -f .ann-sig) 1209 1210translation_project_ ?= coordinator@translationproject.org 1211 1212# Make info-gnu the default only for a stable release. 1213ifeq ($(RELEASE_TYPE),stable) 1214 announcement_Cc_ ?= $(translation_project_), $(PACKAGE_BUGREPORT) 1215 announcement_mail_headers_ ?= \ 1216 To: info-gnu@gnu.org \ 1217 Cc: $(announcement_Cc_) \ 1218 Mail-Followup-To: $(PACKAGE_BUGREPORT) 1219else 1220 announcement_Cc_ ?= $(translation_project_) 1221 announcement_mail_headers_ ?= \ 1222 To: $(PACKAGE_BUGREPORT) \ 1223 Cc: $(announcement_Cc_) 1224endif 1225 1226announcement: NEWS ChangeLog $(rel-files) 1227 @$(srcdir)/$(_build-aux)/announce-gen \ 1228 --mail-headers='$(announcement_mail_headers_)' \ 1229 --release-type=$(RELEASE_TYPE) \ 1230 --package=$(PACKAGE) \ 1231 --prev=$(PREV_VERSION) \ 1232 --curr=$(VERSION) \ 1233 --gpg-key-id=$(gpg_key_ID) \ 1234 --news=$(srcdir)/NEWS \ 1235 --bootstrap-tools=$(bootstrap-tools) \ 1236 --gnulib-version=$(gnulib-version) \ 1237 --no-print-checksums \ 1238 $(addprefix --url-dir=, $(url_dir_list)) 1239 1240## ---------------- ## 1241## Updating files. ## 1242## ---------------- ## 1243 1244ftp-gnu = ftp://ftp.gnu.org/gnu 1245www-gnu = http://www.gnu.org 1246 1247upload_dest_dir_ ?= $(PACKAGE) 1248emit_upload_commands: 1249 @echo ===================================== 1250 @echo ===================================== 1251 @echo "$(srcdir)/$(_build-aux)/gnupload $(GNUPLOADFLAGS) \\" 1252 @echo " --to $(gnu_rel_host):$(upload_dest_dir_) \\" 1253 @echo " $(rel-files)" 1254 @echo '# send the ~/announce-$(my_distdir) e-mail' 1255 @echo ===================================== 1256 @echo ===================================== 1257 1258define emit-commit-log 1259 printf '%s\n' 'maint: post-release administrivia' '' \ 1260 '* NEWS: Add header line for next release.' \ 1261 '* .prev-version: Record previous version.' \ 1262 '* cfg.mk (old_NEWS_hash): Auto-update.' 1263endef 1264 1265.PHONY: no-submodule-changes 1266no-submodule-changes: 1267 if test -d $(srcdir)/.git; then \ 1268 diff=$$(cd $(srcdir) && git submodule -q foreach \ 1269 git diff-index --name-only HEAD) \ 1270 || exit 1; \ 1271 case $$diff in '') ;; \ 1272 *) echo '$(ME): submodule files are locally modified:'; \ 1273 echo "$$diff"; exit 1;; esac; \ 1274 else \ 1275 : ; \ 1276 fi 1277 1278submodule-checks ?= no-submodule-changes public-submodule-commit 1279 1280# Ensure that each sub-module commit we're using is public. 1281# Without this, it is too easy to tag and release code that 1282# cannot be built from a fresh clone. 1283.PHONY: public-submodule-commit 1284public-submodule-commit: 1285 $(AM_V_GEN)if test -d $(srcdir)/.git; then \ 1286 cd $(srcdir) && \ 1287 git submodule --quiet foreach test '$$(git rev-parse $$sha1)' \ 1288 = '$$(git merge-base origin $$sha1)' \ 1289 || { echo '$(ME): found non-public submodule commit' >&2; \ 1290 exit 1; }; \ 1291 else \ 1292 : ; \ 1293 fi 1294# This rule has a high enough utility/cost ratio that it should be a 1295# dependent of "check" by default. However, some of us do occasionally 1296# commit a temporary change that deliberately points to a non-public 1297# submodule commit, and want to be able to use rules like "make check". 1298# In that case, run e.g., "make check gl_public_submodule_commit=" 1299# to disable this test. 1300gl_public_submodule_commit ?= public-submodule-commit 1301check: $(gl_public_submodule_commit) 1302 1303.PHONY: alpha beta stable 1304ALL_RECURSIVE_TARGETS += alpha beta stable 1305alpha beta stable: $(local-check) writable-files $(submodule-checks) 1306 test $@ = stable \ 1307 && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \ 1308 || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\ 1309 || : 1310 $(MAKE) vc-diff-check 1311 $(MAKE) news-check 1312 $(MAKE) distcheck 1313 $(MAKE) dist XZ_OPT=-9ev 1314 $(MAKE) $(release-prep-hook) RELEASE_TYPE=$@ 1315 $(MAKE) -s emit_upload_commands RELEASE_TYPE=$@ 1316 1317# Override this in cfg.mk if you follow different procedures. 1318release-prep-hook ?= release-prep 1319 1320gl_noteworthy_news_ = * Noteworthy changes in release ?.? (????-??-??) [?] 1321.PHONY: release-prep 1322release-prep: 1323 case $$RELEASE_TYPE in alpha|beta|stable) ;; \ 1324 *) echo "invalid RELEASE_TYPE: $$RELEASE_TYPE" 1>&2; exit 1;; esac 1325 $(MAKE) --no-print-directory -s announcement > ~/announce-$(my_distdir) 1326 if test -d $(release_archive_dir); then \ 1327 ln $(rel-files) $(release_archive_dir); \ 1328 chmod a-w $(rel-files); \ 1329 fi 1330 echo $(VERSION) > $(prev_version_file) 1331 $(MAKE) update-NEWS-hash 1332 perl -pi -e '$$. == 3 and print "$(gl_noteworthy_news_)\n\n\n"' NEWS 1333 $(emit-commit-log) > .ci-msg 1334 $(VC) commit -F .ci-msg -a 1335 rm .ci-msg 1336 1337# Override this with e.g., -s $(srcdir)/some_other_name.texi 1338# if the default $(PACKAGE)-derived name doesn't apply. 1339gendocs_options_ ?= 1340 1341.PHONY: web-manual 1342web-manual: 1343 @test -z "$(manual_title)" \ 1344 && { echo define manual_title in cfg.mk 1>&2; exit 1; } || : 1345 @cd '$(srcdir)/doc'; \ 1346 $(SHELL) ../$(_build-aux)/gendocs.sh $(gendocs_options_) \ 1347 -o '$(abs_builddir)/doc/manual' \ 1348 --email $(PACKAGE_BUGREPORT) $(PACKAGE) \ 1349 "$(PACKAGE_NAME) - $(manual_title)" 1350 @echo " *** Upload the doc/manual directory to web-cvs." 1351 1352# Code Coverage 1353 1354init-coverage: 1355 $(MAKE) $(AM_MAKEFLAGS) clean 1356 lcov --directory . --zerocounters 1357 1358COVERAGE_CCOPTS ?= "-g --coverage" 1359COVERAGE_OUT ?= doc/coverage 1360 1361build-coverage: 1362 $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) 1363 $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) check 1364 mkdir -p $(COVERAGE_OUT) 1365 lcov --directory . --output-file $(COVERAGE_OUT)/$(PACKAGE).info \ 1366 --capture 1367 1368gen-coverage: 1369 genhtml --output-directory $(COVERAGE_OUT) \ 1370 $(COVERAGE_OUT)/$(PACKAGE).info \ 1371 --highlight --frames --legend \ 1372 --title "$(PACKAGE_NAME)" 1373 1374coverage: init-coverage build-coverage gen-coverage 1375 1376# Update gettext files. 1377PACKAGE ?= $(shell basename $(PWD)) 1378PO_DOMAIN ?= $(PACKAGE) 1379POURL = http://translationproject.org/latest/$(PO_DOMAIN)/ 1380PODIR ?= po 1381refresh-po: 1382 rm -f $(PODIR)/*.po && \ 1383 echo "$(ME): getting translations into po (please ignore the robots.txt ERROR 404)..." && \ 1384 wget --no-verbose --directory-prefix $(PODIR) --no-directories --recursive --level 1 --accept .po --accept .po.1 $(POURL) && \ 1385 echo 'en@boldquot' > $(PODIR)/LINGUAS && \ 1386 echo 'en@quot' >> $(PODIR)/LINGUAS && \ 1387 ls $(PODIR)/*.po | sed 's/\.po//' | sed 's,$(PODIR)/,,' | sort >> $(PODIR)/LINGUAS 1388 1389 # Running indent once is not idempotent, but running it twice is. 1390INDENT_SOURCES ?= $(C_SOURCES) 1391.PHONY: indent 1392indent: 1393 indent $(INDENT_SOURCES) 1394 indent $(INDENT_SOURCES) 1395 1396# If you want to set UPDATE_COPYRIGHT_* environment variables, 1397# put the assignments in this variable. 1398update-copyright-env ?= 1399 1400# Run this rule once per year (usually early in January) 1401# to update all FSF copyright year lists in your project. 1402# If you have an additional project-specific rule, 1403# add it in cfg.mk along with a line 'update-copyright: prereq'. 1404# By default, exclude all variants of COPYING; you can also 1405# add exemptions (such as ChangeLog..* for rotated change logs) 1406# in the file .x-update-copyright. 1407.PHONY: update-copyright 1408update-copyright: 1409 grep -l -w Copyright \ 1410 $$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \ 1411 | $(update-copyright-env) xargs $(srcdir)/$(_build-aux)/$@ 1412 1413# This tight_scope test is skipped with a warning if $(_gl_TS_headers) is not 1414# overridden and $(_gl_TS_dir)/Makefile.am does not mention noinst_HEADERS. 1415 1416# NOTE: to override any _gl_TS_* default value, you must 1417# define the variable(s) using "export" in cfg.mk. 1418_gl_TS_dir ?= src 1419 1420ALL_RECURSIVE_TARGETS += sc_tight_scope 1421sc_tight_scope: tight-scope.mk 1422 @fail=0; \ 1423 if ! grep '^ *export _gl_TS_headers *=' $(srcdir)/cfg.mk \ 1424 > /dev/null \ 1425 && ! grep -w noinst_HEADERS $(srcdir)/$(_gl_TS_dir)/Makefile.am \ 1426 > /dev/null 2>&1; then \ 1427 echo '$(ME): skipping $@'; \ 1428 else \ 1429 $(MAKE) -s -C $(_gl_TS_dir) \ 1430 -f Makefile \ 1431 -f $(abs_top_srcdir)/cfg.mk \ 1432 -f $(abs_top_builddir)/$< \ 1433 _gl_tight_scope \ 1434 || fail=1; \ 1435 fi; \ 1436 rm -f $<; \ 1437 exit $$fail 1438 1439tight-scope.mk: $(ME) 1440 @rm -f $@ $@-t 1441 @perl -ne '/^# TS-start/.../^# TS-end/ and print' $(ME) > $@-t 1442 @chmod a=r $@-t && mv $@-t $@ 1443 1444ifeq (a,b) 1445# TS-start 1446 1447# Most functions should have static scope. 1448# Any that don't must be marked with `extern', but `main' 1449# and `usage' are exceptions: they're always extern, but 1450# do not need to be marked. Symbols matching `__.*' are 1451# reserved by the compiler, so are automatically excluded below. 1452_gl_TS_unmarked_extern_functions ?= main usage 1453_gl_TS_function_match ?= /^(?:$(_gl_TS_extern)) +.*?(\S+) *\(/ 1454 1455# If your project uses a macro like "XTERN", then put 1456# the following in cfg.mk to override this default: 1457# export _gl_TS_extern = extern|XTERN 1458_gl_TS_extern ?= extern 1459 1460# The second nm|grep checks for file-scope variables with `extern' scope. 1461# Without gnulib's progname module, you might put program_name here. 1462# Symbols matching `__.*' are reserved by the compiler, 1463# so are automatically excluded below. 1464_gl_TS_unmarked_extern_vars ?= 1465 1466# NOTE: the _match variables are perl expressions -- not mere regular 1467# expressions -- so that you can extend them to match other patterns 1468# and easily extract matched variable names. 1469# For example, if your project declares some global variables via 1470# a macro like this: GLOBAL(type, var_name, initializer), then you 1471# can override this definition to automatically extract those names: 1472# export _gl_TS_var_match = \ 1473# /^(?:$(_gl_TS_extern)) .*?\**(\w+)(\[.*?\])?;/ || /\bGLOBAL\(.*?,\s*(.*?),/ 1474_gl_TS_var_match ?= /^(?:$(_gl_TS_extern)) .*?(\w+)(\[.*?\])?;/ 1475 1476# The names of object files in (or relative to) $(_gl_TS_dir). 1477_gl_TS_obj_files ?= *.$(OBJEXT) 1478 1479# Files in which to search for the one-line style extern declarations. 1480# $(_gl_TS_dir)-relative. 1481_gl_TS_headers ?= $(noinst_HEADERS) 1482 1483.PHONY: _gl_tight_scope 1484_gl_tight_scope: $(bin_PROGRAMS) 1485 t=exceptions-$$$$; \ 1486 trap 's=$$?; rm -f $$t; exit $$s' 0; \ 1487 for sig in 1 2 3 13 15; do \ 1488 eval "trap 'v=`expr $$sig + 128`; (exit $$v); exit $$v' $$sig"; \ 1489 done; \ 1490 src=`for f in $(SOURCES); do \ 1491 test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \ 1492 hdr=`for f in $(_gl_TS_headers); do \ 1493 test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \ 1494 ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_functions); \ 1495 grep -h -A1 '^extern .*[^;]$$' $$src \ 1496 | grep -vE '^(extern |--)' | sed 's/ .*//'; \ 1497 perl -lne \ 1498 '$(_gl_TS_function_match) and print "^$$1\$$"' $$hdr; \ 1499 ) | sort -u > $$t; \ 1500 nm -e $(_gl_TS_obj_files) | sed -n 's/.* T //p'|grep -Ev -f $$t \ 1501 && { echo the above functions should have static scope >&2; \ 1502 exit 1; } || : ; \ 1503 ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_vars); \ 1504 perl -lne '$(_gl_TS_var_match) and print "^$$1\$$"' $$hdr *.h \ 1505 ) | sort -u > $$t; \ 1506 nm -e $(_gl_TS_obj_files) | sed -n 's/.* [BCDGRS] //p' \ 1507 | sort -u | grep -Ev -f $$t \ 1508 && { echo the above variables should have static scope >&2; \ 1509 exit 1; } || : 1510# TS-end 1511endif 1512