Ying Wang | 0543663 | 2013-04-05 16:01:00 -0700 | [diff] [blame] | 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) 2001-2012 Free Software Foundation, Inc. |
| 6 | ## |
| 7 | ## This program is free software: you can redistribute it and/or modify |
| 8 | ## it under the terms of the GNU General Public License as published by |
| 9 | ## the Free Software Foundation, either version 3 of the License, or |
| 10 | ## (at your option) any later version. |
| 11 | ## |
| 12 | ## This program is distributed in the hope that it will be useful, |
| 13 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | ## GNU General Public License for more details. |
| 16 | ## |
| 17 | ## You should have received a copy of the GNU General Public License |
| 18 | ## along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 | |
| 20 | # This is reported not to work with make-3.79.1 |
| 21 | # ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST)) |
| 22 | ME := maint.mk |
| 23 | |
| 24 | # Diagnostic for continued use of deprecated variable. |
| 25 | # Remove in 2013 |
| 26 | ifneq ($(build_aux),) |
| 27 | $(error "$(ME): \ |
| 28 | set $$(_build-aux) relative to $$(srcdir) instead of $$(build_aux)") |
| 29 | endif |
| 30 | |
| 31 | # Helper variables. |
| 32 | _empty = |
| 33 | _sp = $(_empty) $(_empty) |
| 34 | |
| 35 | # _equal,S1,S2 |
| 36 | # ------------ |
| 37 | # If S1 == S2, return S1, otherwise the empty string. |
| 38 | _equal = $(and $(findstring $(1),$(2)),$(findstring $(2),$(1))) |
| 39 | |
| 40 | # member-check,VARIABLE,VALID-VALUES |
| 41 | # ---------------------------------- |
| 42 | # Check that $(VARIABLE) is in the space-separated list of VALID-VALUES, and |
| 43 | # return it. Die otherwise. |
| 44 | member-check = \ |
| 45 | $(strip \ |
| 46 | $(if $($(1)), \ |
| 47 | $(if $(findstring $(_sp),$($(1))), \ |
| 48 | $(error invalid $(1): '$($(1))', expected $(2)), \ |
| 49 | $(or $(findstring $(_sp)$($(1))$(_sp),$(_sp)$(2)$(_sp)), \ |
| 50 | $(error invalid $(1): '$($(1))', expected $(2)))), \ |
| 51 | $(error $(1) undefined))) |
| 52 | |
| 53 | # Do not save the original name or timestamp in the .tar.gz file. |
| 54 | # Use --rsyncable if available. |
| 55 | gzip_rsyncable := \ |
| 56 | $(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null \ |
| 57 | && printf %s --rsyncable) |
| 58 | GZIP_ENV = '--no-name --best $(gzip_rsyncable)' |
| 59 | |
| 60 | GIT = git |
| 61 | VC = $(GIT) |
| 62 | |
| 63 | VC_LIST = $(srcdir)/$(_build-aux)/vc-list-files -C $(srcdir) |
| 64 | |
| 65 | # You can override this variable in cfg.mk to set your own regexp |
| 66 | # matching files to ignore. |
| 67 | VC_LIST_ALWAYS_EXCLUDE_REGEX ?= ^$$ |
| 68 | |
| 69 | # This is to preprocess robustly the output of $(VC_LIST), so that even |
| 70 | # when $(srcdir) is a pathological name like "....", the leading sed command |
| 71 | # removes only the intended prefix. |
| 72 | _dot_escaped_srcdir = $(subst .,\.,$(srcdir)) |
| 73 | |
| 74 | # Post-process $(VC_LIST) output, prepending $(srcdir)/, but only |
| 75 | # when $(srcdir) is not ".". |
| 76 | ifeq ($(srcdir),.) |
| 77 | _prepend_srcdir_prefix = |
| 78 | else |
| 79 | _prepend_srcdir_prefix = | sed 's|^|$(srcdir)/|' |
| 80 | endif |
| 81 | |
| 82 | # In order to be able to consistently filter "."-relative names, |
| 83 | # (i.e., with no $(srcdir) prefix), this definition is careful to |
| 84 | # remove any $(srcdir) prefix, and to restore what it removes. |
| 85 | _sc_excl = \ |
| 86 | $(or $(exclude_file_name_regexp--$@),^$$) |
| 87 | VC_LIST_EXCEPT = \ |
| 88 | $(VC_LIST) | sed 's|^$(_dot_escaped_srcdir)/||' \ |
| 89 | | if test -f $(srcdir)/.x-$@; then grep -vEf $(srcdir)/.x-$@; \ |
| 90 | else grep -Ev -e "$${VC_LIST_EXCEPT_DEFAULT-ChangeLog}"; fi \ |
| 91 | | grep -Ev -e '($(VC_LIST_ALWAYS_EXCLUDE_REGEX)|$(_sc_excl))' \ |
| 92 | $(_prepend_srcdir_prefix) |
| 93 | |
| 94 | ifeq ($(origin prev_version_file), undefined) |
| 95 | prev_version_file = $(srcdir)/.prev-version |
| 96 | endif |
| 97 | |
| 98 | PREV_VERSION := $(shell cat $(prev_version_file) 2>/dev/null) |
| 99 | VERSION_REGEXP = $(subst .,\.,$(VERSION)) |
| 100 | PREV_VERSION_REGEXP = $(subst .,\.,$(PREV_VERSION)) |
| 101 | |
| 102 | ifeq ($(VC),$(GIT)) |
| 103 | this-vc-tag = v$(VERSION) |
| 104 | this-vc-tag-regexp = v$(VERSION_REGEXP) |
| 105 | else |
| 106 | tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]') |
| 107 | tag-this-version = $(subst .,_,$(VERSION)) |
| 108 | this-vc-tag = $(tag-package)-$(tag-this-version) |
| 109 | this-vc-tag-regexp = $(this-vc-tag) |
| 110 | endif |
| 111 | my_distdir = $(PACKAGE)-$(VERSION) |
| 112 | |
| 113 | # Old releases are stored here. |
| 114 | release_archive_dir ?= ../release |
| 115 | |
| 116 | # If RELEASE_TYPE is undefined, but RELEASE is, use its second word. |
| 117 | # But overwrite VERSION. |
| 118 | ifdef RELEASE |
| 119 | VERSION := $(word 1, $(RELEASE)) |
| 120 | RELEASE_TYPE ?= $(word 2, $(RELEASE)) |
| 121 | endif |
| 122 | |
| 123 | # Validate and return $(RELEASE_TYPE), or die. |
| 124 | RELEASE_TYPES = alpha beta stable |
| 125 | release-type = $(call member-check,RELEASE_TYPE,$(RELEASE_TYPES)) |
| 126 | |
| 127 | # Override gnu_rel_host and url_dir_list in cfg.mk if these are not right. |
| 128 | # Use alpha.gnu.org for alpha and beta releases. |
| 129 | # Use ftp.gnu.org for stable releases. |
| 130 | gnu_ftp_host-alpha = alpha.gnu.org |
| 131 | gnu_ftp_host-beta = alpha.gnu.org |
| 132 | gnu_ftp_host-stable = ftp.gnu.org |
| 133 | gnu_rel_host ?= $(gnu_ftp_host-$(release-type)) |
| 134 | |
| 135 | url_dir_list ?= $(if $(call _equal,$(gnu_rel_host),ftp.gnu.org), \ |
| 136 | http://ftpmirror.gnu.org/$(PACKAGE), \ |
| 137 | ftp://$(gnu_rel_host)/gnu/$(PACKAGE)) |
| 138 | |
| 139 | # Override this in cfg.mk if you are using a different format in your |
| 140 | # NEWS file. |
| 141 | today = $(shell date +%Y-%m-%d) |
| 142 | |
| 143 | # Select which lines of NEWS are searched for $(news-check-regexp). |
| 144 | # This is a sed line number spec. The default says that we search |
| 145 | # lines 1..10 of NEWS for $(news-check-regexp). |
| 146 | # If you want to search only line 3 or only lines 20-22, use "3" or "20,22". |
| 147 | news-check-lines-spec ?= 1,10 |
| 148 | news-check-regexp ?= '^\*.* $(VERSION_REGEXP) \($(today)\)' |
| 149 | |
| 150 | # Prevent programs like 'sort' from considering distinct strings to be equal. |
| 151 | # Doing it here saves us from having to set LC_ALL elsewhere in this file. |
| 152 | export LC_ALL = C |
| 153 | |
| 154 | ## --------------- ## |
| 155 | ## Sanity checks. ## |
| 156 | ## --------------- ## |
| 157 | |
| 158 | _cfg_mk := $(wildcard $(srcdir)/cfg.mk) |
| 159 | |
| 160 | # Collect the names of rules starting with 'sc_'. |
| 161 | syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \ |
| 162 | $(srcdir)/$(ME) $(_cfg_mk))) |
| 163 | .PHONY: $(syntax-check-rules) |
| 164 | |
| 165 | ifeq ($(shell $(VC_LIST) >/dev/null 2>&1; echo $$?),0) |
| 166 | local-checks-available += $(syntax-check-rules) |
| 167 | else |
| 168 | local-checks-available += no-vc-detected |
| 169 | no-vc-detected: |
| 170 | @echo "No version control files detected; skipping syntax check" |
| 171 | endif |
| 172 | .PHONY: $(local-checks-available) |
| 173 | |
| 174 | # Arrange to print the name of each syntax-checking rule just before running it. |
| 175 | $(syntax-check-rules): %: %.m |
| 176 | sc_m_rules_ = $(patsubst %, %.m, $(syntax-check-rules)) |
| 177 | .PHONY: $(sc_m_rules_) |
| 178 | $(sc_m_rules_): |
| 179 | @echo $(patsubst sc_%.m, %, $@) |
| 180 | @date +%s.%N > .sc-start-$(basename $@) |
| 181 | |
| 182 | # Compute and print the elapsed time for each syntax-check rule. |
| 183 | sc_z_rules_ = $(patsubst %, %.z, $(syntax-check-rules)) |
| 184 | .PHONY: $(sc_z_rules_) |
| 185 | $(sc_z_rules_): %.z: % |
| 186 | @end=$$(date +%s.%N); \ |
| 187 | start=$$(cat .sc-start-$*); \ |
| 188 | rm -f .sc-start-$*; \ |
| 189 | awk -v s=$$start -v e=$$end \ |
| 190 | 'END {printf "%.2f $(patsubst sc_%,%,$*)\n", e - s}' < /dev/null |
| 191 | |
| 192 | # The patsubst here is to replace each sc_% rule with its sc_%.z wrapper |
| 193 | # that computes and prints elapsed time. |
| 194 | local-check := \ |
| 195 | $(patsubst sc_%, sc_%.z, \ |
| 196 | $(filter-out $(local-checks-to-skip), $(local-checks-available))) |
| 197 | |
| 198 | syntax-check: $(local-check) |
| 199 | |
| 200 | # _sc_search_regexp |
| 201 | # |
| 202 | # This macro searches for a given construct in the selected files and |
| 203 | # then takes some action. |
| 204 | # |
| 205 | # Parameters (shell variables): |
| 206 | # |
| 207 | # prohibit | require |
| 208 | # |
| 209 | # Regular expression (ERE) denoting either a forbidden construct |
| 210 | # or a required construct. Those arguments are exclusive. |
| 211 | # |
| 212 | # exclude |
| 213 | # |
| 214 | # Regular expression (ERE) denoting lines to ignore that matched |
| 215 | # a prohibit construct. For example, this can be used to exclude |
| 216 | # comments that mention why the nearby code uses an alternative |
| 217 | # construct instead of the simpler prohibited construct. |
| 218 | # |
| 219 | # in_vc_files | in_files |
| 220 | # |
| 221 | # grep-E-style regexp selecting the files to check. For in_vc_files, |
| 222 | # the regexp is used to select matching files from the list of all |
| 223 | # version-controlled files; for in_files, it's from the names printed |
| 224 | # by "find $(srcdir)". When neither is specified, use all files that |
| 225 | # are under version control. |
| 226 | # |
| 227 | # containing | non_containing |
| 228 | # |
| 229 | # Select the files (non) containing strings matching this regexp. |
| 230 | # If both arguments are specified then CONTAINING takes |
| 231 | # precedence. |
| 232 | # |
| 233 | # with_grep_options |
| 234 | # |
| 235 | # Extra options for grep. |
| 236 | # |
| 237 | # ignore_case |
| 238 | # |
| 239 | # Ignore case. |
| 240 | # |
| 241 | # halt |
| 242 | # |
| 243 | # Message to display before to halting execution. |
| 244 | # |
| 245 | # Finally, you may exempt files based on an ERE matching file names. |
| 246 | # For example, to exempt from the sc_space_tab check all files with the |
| 247 | # .diff suffix, set this Make variable: |
| 248 | # |
| 249 | # exclude_file_name_regexp--sc_space_tab = \.diff$ |
| 250 | # |
| 251 | # Note that while this functionality is mostly inherited via VC_LIST_EXCEPT, |
| 252 | # when filtering by name via in_files, we explicitly filter out matching |
| 253 | # names here as well. |
| 254 | |
| 255 | # Initialize each, so that envvar settings cannot interfere. |
| 256 | export require = |
| 257 | export prohibit = |
| 258 | export exclude = |
| 259 | export in_vc_files = |
| 260 | export in_files = |
| 261 | export containing = |
| 262 | export non_containing = |
| 263 | export halt = |
| 264 | export with_grep_options = |
| 265 | |
| 266 | # By default, _sc_search_regexp does not ignore case. |
| 267 | export ignore_case = |
| 268 | _ignore_case = $$(test -n "$$ignore_case" && printf %s -i || :) |
| 269 | |
| 270 | define _sc_say_and_exit |
| 271 | dummy=; : so we do not need a semicolon before each use; \ |
| 272 | { printf '%s\n' "$(ME): $$msg" 1>&2; exit 1; }; |
| 273 | endef |
| 274 | |
| 275 | define _sc_search_regexp |
| 276 | dummy=; : so we do not need a semicolon before each use; \ |
| 277 | \ |
| 278 | : Check arguments; \ |
| 279 | test -n "$$prohibit" && test -n "$$require" \ |
| 280 | && { msg='Cannot specify both prohibit and require' \ |
| 281 | $(_sc_say_and_exit) } || :; \ |
| 282 | test -z "$$prohibit" && test -z "$$require" \ |
| 283 | && { msg='Should specify either prohibit or require' \ |
| 284 | $(_sc_say_and_exit) } || :; \ |
| 285 | test -z "$$prohibit" && test -n "$$exclude" \ |
| 286 | && { msg='Use of exclude requires a prohibit pattern' \ |
| 287 | $(_sc_say_and_exit) } || :; \ |
| 288 | test -n "$$in_vc_files" && test -n "$$in_files" \ |
| 289 | && { msg='Cannot specify both in_vc_files and in_files' \ |
| 290 | $(_sc_say_and_exit) } || :; \ |
| 291 | test "x$$halt" != x \ |
| 292 | || { msg='halt not defined' $(_sc_say_and_exit) }; \ |
| 293 | \ |
| 294 | : Filter by file name; \ |
| 295 | if test -n "$$in_files"; then \ |
| 296 | files=$$(find $(srcdir) | grep -E "$$in_files" \ |
| 297 | | grep -Ev '$(_sc_excl)'); \ |
| 298 | else \ |
| 299 | files=$$($(VC_LIST_EXCEPT)); \ |
| 300 | if test -n "$$in_vc_files"; then \ |
| 301 | files=$$(echo "$$files" | grep -E "$$in_vc_files"); \ |
| 302 | fi; \ |
| 303 | fi; \ |
| 304 | \ |
| 305 | : Filter by content; \ |
| 306 | test -n "$$files" && test -n "$$containing" \ |
| 307 | && { files=$$(grep -l "$$containing" $$files); } || :; \ |
| 308 | test -n "$$files" && test -n "$$non_containing" \ |
| 309 | && { files=$$(grep -vl "$$non_containing" $$files); } || :; \ |
| 310 | \ |
| 311 | : Check for the construct; \ |
| 312 | if test -n "$$files"; then \ |
| 313 | if test -n "$$prohibit"; then \ |
| 314 | grep $$with_grep_options $(_ignore_case) -nE "$$prohibit" $$files \ |
| 315 | | grep -vE "$${exclude:-^$$}" \ |
| 316 | && { msg="$$halt" $(_sc_say_and_exit) } || :; \ |
| 317 | else \ |
| 318 | grep $$with_grep_options $(_ignore_case) -LE "$$require" $$files \ |
| 319 | | grep . \ |
| 320 | && { msg="$$halt" $(_sc_say_and_exit) } || :; \ |
| 321 | fi \ |
| 322 | else :; \ |
| 323 | fi || :; |
| 324 | endef |
| 325 | |
| 326 | sc_avoid_if_before_free: |
| 327 | @$(srcdir)/$(_build-aux)/useless-if-before-free \ |
| 328 | $(useless_free_options) \ |
| 329 | $$($(VC_LIST_EXCEPT) | grep -v useless-if-before-free) && \ |
| 330 | { echo '$(ME): found useless "if" before "free" above' 1>&2; \ |
| 331 | exit 1; } || : |
| 332 | |
| 333 | sc_cast_of_argument_to_free: |
| 334 | @prohibit='\<free *\( *\(' halt="don't cast free argument" \ |
| 335 | $(_sc_search_regexp) |
| 336 | |
| 337 | sc_cast_of_x_alloc_return_value: |
| 338 | @prohibit='\*\) *x(m|c|re)alloc\>' \ |
| 339 | halt="don't cast x*alloc return value" \ |
| 340 | $(_sc_search_regexp) |
| 341 | |
| 342 | sc_cast_of_alloca_return_value: |
| 343 | @prohibit='\*\) *alloca\>' \ |
| 344 | halt="don't cast alloca return value" \ |
| 345 | $(_sc_search_regexp) |
| 346 | |
| 347 | sc_space_tab: |
| 348 | @prohibit='[ ] ' \ |
| 349 | halt='found SPACE-TAB sequence; remove the SPACE' \ |
| 350 | $(_sc_search_regexp) |
| 351 | |
| 352 | # Don't use *scanf or the old ato* functions in "real" code. |
| 353 | # They provide no error checking mechanism. |
| 354 | # Instead, use strto* functions. |
| 355 | sc_prohibit_atoi_atof: |
| 356 | @prohibit='\<([fs]?scanf|ato([filq]|ll)) *\(' \ |
| 357 | halt='do not use *scan''f, ato''f, ato''i, ato''l, ato''ll or ato''q' \ |
| 358 | $(_sc_search_regexp) |
| 359 | |
| 360 | # Use STREQ rather than comparing strcmp == 0, or != 0. |
| 361 | sp_ = strcmp *\(.+\) |
| 362 | sc_prohibit_strcmp: |
| 363 | @prohibit='! *strcmp *\(|\<$(sp_) *[!=]=|[!=]= *$(sp_)' \ |
| 364 | exclude='# *define STRN?EQ\(' \ |
| 365 | halt='replace strcmp calls above with STREQ/STRNEQ' \ |
| 366 | $(_sc_search_regexp) |
| 367 | |
| 368 | # Really. You don't want to use this function. |
| 369 | # It may fail to NUL-terminate the destination, |
| 370 | # and always NUL-pads out to the specified length. |
| 371 | sc_prohibit_strncpy: |
| 372 | @prohibit='\<strncpy *\(' \ |
| 373 | halt='do not use strncpy, period' \ |
| 374 | $(_sc_search_regexp) |
| 375 | |
| 376 | # Pass EXIT_*, not number, to usage, exit, and error (when exiting) |
| 377 | # Convert all uses automatically, via these two commands: |
| 378 | # git grep -l '\<exit *(1)' \ |
| 379 | # | grep -vEf .x-sc_prohibit_magic_number_exit \ |
| 380 | # | xargs --no-run-if-empty \ |
| 381 | # perl -pi -e 's/(^|[^.])\b(exit ?)\(1\)/$1$2(EXIT_FAILURE)/' |
| 382 | # git grep -l '\<exit *(0)' \ |
| 383 | # | grep -vEf .x-sc_prohibit_magic_number_exit \ |
| 384 | # | xargs --no-run-if-empty \ |
| 385 | # perl -pi -e 's/(^|[^.])\b(exit ?)\(0\)/$1$2(EXIT_SUCCESS)/' |
| 386 | sc_prohibit_magic_number_exit: |
| 387 | @prohibit='(^|[^.])\<(usage|exit|error) ?\(-?[0-9]+[,)]' \ |
| 388 | exclude='exit \(77\)|error ?\(((0|77),|[^,]*)' \ |
| 389 | halt='use EXIT_* values rather than magic number' \ |
| 390 | $(_sc_search_regexp) |
| 391 | |
| 392 | # Using EXIT_SUCCESS as the first argument to error is misleading, |
| 393 | # since when that parameter is 0, error does not exit. Use '0' instead. |
| 394 | sc_error_exit_success: |
| 395 | @prohibit='error *\(EXIT_SUCCESS,' \ |
| 396 | in_vc_files='\.[chly]$$' \ |
| 397 | halt='found error (EXIT_SUCCESS' \ |
| 398 | $(_sc_search_regexp) |
| 399 | |
| 400 | # "FATAL:" should be fully upper-cased in error messages |
| 401 | # "WARNING:" should be fully upper-cased, or fully lower-cased |
| 402 | sc_error_message_warn_fatal: |
| 403 | @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ |
| 404 | | grep -E '"Warning|"Fatal|"fatal' && \ |
| 405 | { echo '$(ME): use FATAL, WARNING or warning' 1>&2; \ |
| 406 | exit 1; } || : |
| 407 | |
| 408 | # Error messages should not start with a capital letter |
| 409 | sc_error_message_uppercase: |
| 410 | @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ |
| 411 | | grep -E '"[A-Z]' \ |
| 412 | | grep -vE '"FATAL|"WARNING|"Java|"C#|PRIuMAX' && \ |
| 413 | { echo '$(ME): found capitalized error message' 1>&2; \ |
| 414 | exit 1; } || : |
| 415 | |
| 416 | # Error messages should not end with a period |
| 417 | sc_error_message_period: |
| 418 | @grep -nEA2 '[^rp]error *\(' $$($(VC_LIST_EXCEPT)) \ |
| 419 | | grep -E '[^."]\."' && \ |
| 420 | { echo '$(ME): found error message ending in period' 1>&2; \ |
| 421 | exit 1; } || : |
| 422 | |
| 423 | sc_file_system: |
| 424 | @prohibit=file''system \ |
| 425 | ignore_case=1 \ |
| 426 | halt='found use of "file''system"; spell it "file system"' \ |
| 427 | $(_sc_search_regexp) |
| 428 | |
| 429 | # Don't use cpp tests of this symbol. All code assumes config.h is included. |
| 430 | sc_prohibit_have_config_h: |
| 431 | @prohibit='^# *if.*HAVE''_CONFIG_H' \ |
| 432 | halt='found use of HAVE''_CONFIG_H; remove' \ |
| 433 | $(_sc_search_regexp) |
| 434 | |
| 435 | # Nearly all .c files must include <config.h>. However, we also permit this |
| 436 | # via inclusion of a package-specific header, if cfg.mk specified one. |
| 437 | # config_h_header must be suitable for grep -E. |
| 438 | config_h_header ?= <config\.h> |
| 439 | sc_require_config_h: |
| 440 | @require='^# *include $(config_h_header)' \ |
| 441 | in_vc_files='\.c$$' \ |
| 442 | halt='the above files do not include <config.h>' \ |
| 443 | $(_sc_search_regexp) |
| 444 | |
| 445 | # You must include <config.h> before including any other header file. |
| 446 | # This can possibly be via a package-specific header, if given by cfg.mk. |
| 447 | sc_require_config_h_first: |
| 448 | @if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \ |
| 449 | fail=0; \ |
| 450 | for i in $$($(VC_LIST_EXCEPT) | grep '\.c$$'); do \ |
| 451 | grep '^# *include\>' $$i | sed 1q \ |
| 452 | | grep -E '^# *include $(config_h_header)' > /dev/null \ |
| 453 | || { echo $$i; fail=1; }; \ |
| 454 | done; \ |
| 455 | test $$fail = 1 && \ |
| 456 | { echo '$(ME): the above files include some other header' \ |
| 457 | 'before <config.h>' 1>&2; exit 1; } || :; \ |
| 458 | else :; \ |
| 459 | fi |
| 460 | |
| 461 | sc_prohibit_HAVE_MBRTOWC: |
| 462 | @prohibit='\bHAVE_MBRTOWC\b' \ |
| 463 | halt="do not use $$prohibit; it is always defined" \ |
| 464 | $(_sc_search_regexp) |
| 465 | |
| 466 | # To use this "command" macro, you must first define two shell variables: |
| 467 | # h: the header name, with no enclosing <> or "" |
| 468 | # re: a regular expression that matches IFF something provided by $h is used. |
| 469 | define _sc_header_without_use |
| 470 | dummy=; : so we do not need a semicolon before each use; \ |
| 471 | h_esc=`echo '[<"]'"$$h"'[">]'|sed 's/\./\\\\./g'`; \ |
| 472 | if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then \ |
| 473 | files=$$(grep -l '^# *include '"$$h_esc" \ |
| 474 | $$($(VC_LIST_EXCEPT) | grep '\.c$$')) && \ |
| 475 | grep -LE "$$re" $$files | grep . && \ |
| 476 | { echo "$(ME): the above files include $$h but don't use it" \ |
| 477 | 1>&2; exit 1; } || :; \ |
| 478 | else :; \ |
| 479 | fi |
| 480 | endef |
| 481 | |
| 482 | # Prohibit the inclusion of assert.h without an actual use of assert. |
| 483 | sc_prohibit_assert_without_use: |
| 484 | @h='assert.h' re='\<assert *\(' $(_sc_header_without_use) |
| 485 | |
| 486 | # Prohibit the inclusion of close-stream.h without an actual use. |
| 487 | sc_prohibit_close_stream_without_use: |
| 488 | @h='close-stream.h' re='\<close_stream *\(' $(_sc_header_without_use) |
| 489 | |
| 490 | # Prohibit the inclusion of getopt.h without an actual use. |
| 491 | sc_prohibit_getopt_without_use: |
| 492 | @h='getopt.h' re='\<getopt(_long)? *\(' $(_sc_header_without_use) |
| 493 | |
| 494 | # Don't include quotearg.h unless you use one of its functions. |
| 495 | sc_prohibit_quotearg_without_use: |
| 496 | @h='quotearg.h' re='\<quotearg(_[^ ]+)? *\(' $(_sc_header_without_use) |
| 497 | |
| 498 | # Don't include quote.h unless you use one of its functions. |
| 499 | sc_prohibit_quote_without_use: |
| 500 | @h='quote.h' re='\<quote((_n)? *\(|_quoting_options\>)' \ |
| 501 | $(_sc_header_without_use) |
| 502 | |
| 503 | # Don't include this header unless you use one of its functions. |
| 504 | sc_prohibit_long_options_without_use: |
| 505 | @h='long-options.h' re='\<parse_long_options *\(' \ |
| 506 | $(_sc_header_without_use) |
| 507 | |
| 508 | # Don't include this header unless you use one of its functions. |
| 509 | sc_prohibit_inttostr_without_use: |
| 510 | @h='inttostr.h' re='\<(off|[iu]max|uint)tostr *\(' \ |
| 511 | $(_sc_header_without_use) |
| 512 | |
| 513 | # Don't include this header unless you use one of its functions. |
| 514 | sc_prohibit_ignore_value_without_use: |
| 515 | @h='ignore-value.h' re='\<ignore_(value|ptr) *\(' \ |
| 516 | $(_sc_header_without_use) |
| 517 | |
| 518 | # Don't include this header unless you use one of its functions. |
| 519 | sc_prohibit_error_without_use: |
| 520 | @h='error.h' \ |
| 521 | re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\ |
| 522 | $(_sc_header_without_use) |
| 523 | |
| 524 | # Don't include xalloc.h unless you use one of its functions. |
| 525 | # Consider these symbols: |
| 526 | # perl -lne '/^# *define (\w+)\(/ and print $1' lib/xalloc.h|grep -v '^__'; |
| 527 | # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/xalloc.h |
| 528 | # Divide into two sets on case, and filter each through this: |
| 529 | # | sort | perl -MRegexp::Assemble -le \ |
| 530 | # 'print Regexp::Assemble->new(file => "/dev/stdin")->as_string'|sed 's/\?://g' |
| 531 | # Note this was produced by the above: |
| 532 | # _xa1 = \ |
| 533 | #x(((2n?)?re|c(har)?|n(re|m)|z)alloc|alloc_(oversized|die)|m(alloc|emdup)|strdup) |
| 534 | # But we can do better, in at least two ways: |
| 535 | # 1) take advantage of two "dup"-suffixed strings: |
| 536 | # x(((2n?)?re|c(har)?|n(re|m)|[mz])alloc|alloc_(oversized|die)|(mem|str)dup) |
| 537 | # 2) notice that "c(har)?|[mz]" is equivalent to the shorter and more readable |
| 538 | # "char|[cmz]" |
| 539 | # x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup) |
| 540 | _xa1 = x(((2n?)?re|char|n(re|m)|[cmz])alloc|alloc_(oversized|die)|(mem|str)dup) |
| 541 | _xa2 = X([CZ]|N?M)ALLOC |
| 542 | sc_prohibit_xalloc_without_use: |
| 543 | @h='xalloc.h' \ |
| 544 | re='\<($(_xa1)|$(_xa2)) *\('\ |
| 545 | $(_sc_header_without_use) |
| 546 | |
| 547 | # Extract function names: |
| 548 | # perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) *\(/ and print $1' lib/hash.h |
| 549 | _hash_re = \ |
| 550 | clear|delete|free|get_(first|next)|insert|lookup|print_statistics|reset_tuning |
| 551 | _hash_fn = \<($(_hash_re)) *\( |
| 552 | _hash_struct = (struct )?\<[Hh]ash_(table|tuning)\> |
| 553 | sc_prohibit_hash_without_use: |
| 554 | @h='hash.h' \ |
| 555 | re='$(_hash_fn)|$(_hash_struct)'\ |
| 556 | $(_sc_header_without_use) |
| 557 | |
| 558 | sc_prohibit_cloexec_without_use: |
| 559 | @h='cloexec.h' re='\<(set_cloexec_flag|dup_cloexec) *\(' \ |
| 560 | $(_sc_header_without_use) |
| 561 | |
| 562 | sc_prohibit_posixver_without_use: |
| 563 | @h='posixver.h' re='\<posix2_version *\(' $(_sc_header_without_use) |
| 564 | |
| 565 | sc_prohibit_same_without_use: |
| 566 | @h='same.h' re='\<same_name *\(' $(_sc_header_without_use) |
| 567 | |
| 568 | sc_prohibit_hash_pjw_without_use: |
| 569 | @h='hash-pjw.h' \ |
| 570 | re='\<hash_pjw\>' \ |
| 571 | $(_sc_header_without_use) |
| 572 | |
| 573 | sc_prohibit_safe_read_without_use: |
| 574 | @h='safe-read.h' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \ |
| 575 | $(_sc_header_without_use) |
| 576 | |
| 577 | sc_prohibit_argmatch_without_use: |
| 578 | @h='argmatch.h' \ |
| 579 | re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<(invalid_arg|argmatch(_exit_fn|_(in)?valid)?) *\()' \ |
| 580 | $(_sc_header_without_use) |
| 581 | |
| 582 | sc_prohibit_canonicalize_without_use: |
| 583 | @h='canonicalize.h' \ |
| 584 | re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode|file_name)' \ |
| 585 | $(_sc_header_without_use) |
| 586 | |
| 587 | sc_prohibit_root_dev_ino_without_use: |
| 588 | @h='root-dev-ino.h' \ |
| 589 | re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \ |
| 590 | $(_sc_header_without_use) |
| 591 | |
| 592 | sc_prohibit_openat_without_use: |
| 593 | @h='openat.h' \ |
| 594 | re='\<(openat_(permissive|needs_fchdir|(save|restore)_fail)|l?(stat|ch(own|mod))at|(euid)?accessat)\>' \ |
| 595 | $(_sc_header_without_use) |
| 596 | |
| 597 | # Prohibit the inclusion of c-ctype.h without an actual use. |
| 598 | ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\ |
| 599 | |isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper |
| 600 | sc_prohibit_c_ctype_without_use: |
| 601 | @h='c-ctype.h' re='\<c_($(ctype_re)) *\(' \ |
| 602 | $(_sc_header_without_use) |
| 603 | |
| 604 | # The following list was generated by running: |
| 605 | # man signal.h|col -b|perl -ne '/bsd_signal.*;/.../sigwaitinfo.*;/ and print' \ |
| 606 | # | perl -lne '/^\s+(?:int|void).*?(\w+).*/ and print $1' | fmt |
| 607 | _sig_functions = \ |
| 608 | bsd_signal kill killpg pthread_kill pthread_sigmask raise sigaction \ |
| 609 | sigaddset sigaltstack sigdelset sigemptyset sigfillset sighold sigignore \ |
| 610 | siginterrupt sigismember signal sigpause sigpending sigprocmask sigqueue \ |
| 611 | sigrelse sigset sigsuspend sigtimedwait sigwait sigwaitinfo |
| 612 | _sig_function_re = $(subst $(_sp),|,$(strip $(_sig_functions))) |
| 613 | # The following were extracted from "man signal.h" manually. |
| 614 | _sig_types_and_consts = \ |
| 615 | MINSIGSTKSZ SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK \ |
| 616 | SA_RESETHAND SA_RESTART SA_SIGINFO SIGEV_NONE SIGEV_SIGNAL \ |
| 617 | SIGEV_THREAD SIGSTKSZ SIG_BLOCK SIG_SETMASK SIG_UNBLOCK SS_DISABLE \ |
| 618 | SS_ONSTACK mcontext_t pid_t sig_atomic_t sigevent siginfo_t sigset_t \ |
| 619 | sigstack sigval stack_t ucontext_t |
| 620 | # generated via this: |
| 621 | # perl -lne '/^#ifdef (SIG\w+)/ and print $1' lib/sig2str.c|sort -u|fmt -70 |
| 622 | _sig_names = \ |
| 623 | SIGABRT SIGALRM SIGALRM1 SIGBUS SIGCANCEL SIGCHLD SIGCLD SIGCONT \ |
| 624 | SIGDANGER SIGDIL SIGEMT SIGFPE SIGFREEZE SIGGRANT SIGHUP SIGILL \ |
| 625 | SIGINFO SIGINT SIGIO SIGIOT SIGKAP SIGKILL SIGKILLTHR SIGLOST SIGLWP \ |
| 626 | SIGMIGRATE SIGMSG SIGPHONE SIGPIPE SIGPOLL SIGPRE SIGPROF SIGPWR \ |
| 627 | SIGQUIT SIGRETRACT SIGSAK SIGSEGV SIGSOUND SIGSTKFLT SIGSTOP SIGSYS \ |
| 628 | SIGTERM SIGTHAW SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGURG SIGUSR1 \ |
| 629 | SIGUSR2 SIGVIRT SIGVTALRM SIGWAITING SIGWINCH SIGWIND SIGWINDOW \ |
| 630 | SIGXCPU SIGXFSZ |
| 631 | _sig_syms_re = $(subst $(_sp),|,$(strip $(_sig_names) $(_sig_types_and_consts))) |
| 632 | |
| 633 | # Prohibit the inclusion of signal.h without an actual use. |
| 634 | sc_prohibit_signal_without_use: |
| 635 | @h='signal.h' \ |
| 636 | re='\<($(_sig_function_re)) *\(|\<($(_sig_syms_re))\>' \ |
| 637 | $(_sc_header_without_use) |
| 638 | |
| 639 | # Don't include stdio--.h unless you use one of its functions. |
| 640 | sc_prohibit_stdio--_without_use: |
| 641 | @h='stdio--.h' re='\<((f(re)?|p)open|tmpfile) *\(' \ |
| 642 | $(_sc_header_without_use) |
| 643 | |
| 644 | # Don't include stdio-safer.h unless you use one of its functions. |
| 645 | sc_prohibit_stdio-safer_without_use: |
| 646 | @h='stdio-safer.h' re='\<((f(re)?|p)open|tmpfile)_safer *\(' \ |
| 647 | $(_sc_header_without_use) |
| 648 | |
| 649 | # Prohibit the inclusion of strings.h without a sensible use. |
| 650 | # Using the likes of bcmp, bcopy, bzero, index or rindex is not sensible. |
| 651 | sc_prohibit_strings_without_use: |
| 652 | @h='strings.h' \ |
| 653 | re='\<(strn?casecmp|ffs(ll)?)\>' \ |
| 654 | $(_sc_header_without_use) |
| 655 | |
| 656 | # Get the list of symbol names with this: |
| 657 | # perl -lne '/^# *define ([A-Z]\w+)\(/ and print $1' lib/intprops.h|fmt |
| 658 | _intprops_names = \ |
| 659 | TYPE_IS_INTEGER TYPE_TWOS_COMPLEMENT TYPE_ONES_COMPLEMENT \ |
| 660 | TYPE_SIGNED_MAGNITUDE TYPE_SIGNED TYPE_MINIMUM TYPE_MAXIMUM \ |
| 661 | INT_BITS_STRLEN_BOUND INT_STRLEN_BOUND INT_BUFSIZE_BOUND \ |
| 662 | INT_ADD_RANGE_OVERFLOW INT_SUBTRACT_RANGE_OVERFLOW \ |
| 663 | INT_NEGATE_RANGE_OVERFLOW INT_MULTIPLY_RANGE_OVERFLOW \ |
| 664 | INT_DIVIDE_RANGE_OVERFLOW INT_REMAINDER_RANGE_OVERFLOW \ |
| 665 | INT_LEFT_SHIFT_RANGE_OVERFLOW INT_ADD_OVERFLOW INT_SUBTRACT_OVERFLOW \ |
| 666 | INT_NEGATE_OVERFLOW INT_MULTIPLY_OVERFLOW INT_DIVIDE_OVERFLOW \ |
| 667 | INT_REMAINDER_OVERFLOW INT_LEFT_SHIFT_OVERFLOW |
| 668 | _intprops_syms_re = $(subst $(_sp),|,$(strip $(_intprops_names))) |
| 669 | # Prohibit the inclusion of intprops.h without an actual use. |
| 670 | sc_prohibit_intprops_without_use: |
| 671 | @h='intprops.h' \ |
| 672 | re='\<($(_intprops_syms_re)) *\(' \ |
| 673 | $(_sc_header_without_use) |
| 674 | |
| 675 | _stddef_syms_re = NULL|offsetof|ptrdiff_t|size_t|wchar_t |
| 676 | # Prohibit the inclusion of stddef.h without an actual use. |
| 677 | sc_prohibit_stddef_without_use: |
| 678 | @h='stddef.h' \ |
| 679 | re='\<($(_stddef_syms_re))\>' \ |
| 680 | $(_sc_header_without_use) |
| 681 | |
| 682 | _de1 = dirfd|(close|(fd)?open|read|rewind|seek|tell)dir(64)?(_r)? |
| 683 | _de2 = (versionsort|struct dirent|getdirentries|alphasort|scandir(at)?)(64)? |
| 684 | _de3 = MAXNAMLEN|DIR|ino_t|d_ino|d_fileno|d_namlen |
| 685 | _dirent_syms_re = $(_de1)|$(_de2)|$(_de3) |
| 686 | # Prohibit the inclusion of dirent.h without an actual use. |
| 687 | sc_prohibit_dirent_without_use: |
| 688 | @h='dirent.h' \ |
| 689 | re='\<($(_dirent_syms_re))\>' \ |
| 690 | $(_sc_header_without_use) |
| 691 | |
| 692 | # Prohibit the inclusion of verify.h without an actual use. |
| 693 | sc_prohibit_verify_without_use: |
| 694 | @h='verify.h' \ |
| 695 | re='\<(verify(true|expr)?|static_assert) *\(' \ |
| 696 | $(_sc_header_without_use) |
| 697 | |
| 698 | # Don't include xfreopen.h unless you use one of its functions. |
| 699 | sc_prohibit_xfreopen_without_use: |
| 700 | @h='xfreopen.h' re='\<xfreopen *\(' $(_sc_header_without_use) |
| 701 | |
| 702 | sc_obsolete_symbols: |
| 703 | @prohibit='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \ |
| 704 | halt='do not use HAVE''_FCNTL_H or O'_NDELAY \ |
| 705 | $(_sc_search_regexp) |
| 706 | |
| 707 | # FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ |
| 708 | |
| 709 | # Each nonempty ChangeLog line must start with a year number, or a TAB. |
| 710 | sc_changelog: |
| 711 | @prohibit='^[^12 ]' \ |
| 712 | in_vc_files='^ChangeLog$$' \ |
| 713 | halt='found unexpected prefix in a ChangeLog' \ |
| 714 | $(_sc_search_regexp) |
| 715 | |
| 716 | # Ensure that each .c file containing a "main" function also |
| 717 | # calls set_program_name. |
| 718 | sc_program_name: |
| 719 | @require='set_program_name *\(m?argv\[0\]\);' \ |
| 720 | in_vc_files='\.c$$' \ |
| 721 | containing='\<main *(' \ |
| 722 | halt='the above files do not call set_program_name' \ |
| 723 | $(_sc_search_regexp) |
| 724 | |
| 725 | # Ensure that each .c file containing a "main" function also |
| 726 | # calls bindtextdomain. |
| 727 | sc_bindtextdomain: |
| 728 | @require='bindtextdomain *\(' \ |
| 729 | in_vc_files='\.c$$' \ |
| 730 | containing='\<main *(' \ |
| 731 | halt='the above files do not call bindtextdomain' \ |
| 732 | $(_sc_search_regexp) |
| 733 | |
| 734 | # Require that the final line of each test-lib.sh-using test be this one: |
| 735 | # Exit $fail |
| 736 | # Note: this test requires GNU grep's --label= option. |
| 737 | Exit_witness_file ?= tests/test-lib.sh |
| 738 | Exit_base := $(notdir $(Exit_witness_file)) |
| 739 | sc_require_test_exit_idiom: |
| 740 | @if test -f $(srcdir)/$(Exit_witness_file); then \ |
| 741 | die=0; \ |
| 742 | for i in $$(grep -l -F 'srcdir/$(Exit_base)' \ |
| 743 | $$($(VC_LIST) tests)); do \ |
| 744 | tail -n1 $$i | grep '^Exit .' > /dev/null \ |
| 745 | && : || { die=1; echo $$i; } \ |
| 746 | done; \ |
| 747 | test $$die = 1 && \ |
| 748 | { echo 1>&2 '$(ME): the final line in each of the above is not:'; \ |
| 749 | echo 1>&2 'Exit something'; \ |
| 750 | exit 1; } || :; \ |
| 751 | fi |
| 752 | |
| 753 | sc_trailing_blank: |
| 754 | @prohibit='[ ]$$' \ |
| 755 | halt='found trailing blank(s)' \ |
| 756 | exclude='^Binary file .* matches$$' \ |
| 757 | $(_sc_search_regexp) |
| 758 | |
| 759 | # Match lines like the following, but where there is only one space |
| 760 | # between the options and the description: |
| 761 | # -D, --all-repeated[=delimit-method] print all duplicate lines\n |
| 762 | longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)? |
| 763 | sc_two_space_separator_in_usage: |
| 764 | @prohibit='^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \ |
| 765 | halt='help2man requires at least two spaces between an option and its description'\ |
| 766 | $(_sc_search_regexp) |
| 767 | |
| 768 | # A regexp matching function names like "error" that may be used |
| 769 | # to emit translatable messages. |
| 770 | _gl_translatable_diag_func_re ?= error |
| 771 | |
| 772 | # Look for diagnostics that aren't marked for translation. |
| 773 | # This won't find any for which error's format string is on a separate line. |
| 774 | sc_unmarked_diagnostics: |
| 775 | @prohibit='\<$(_gl_translatable_diag_func_re) *\([^"]*"[^"]*[a-z]{3}' \ |
| 776 | exclude='(_|ngettext ?)\(' \ |
| 777 | halt='found unmarked diagnostic(s)' \ |
| 778 | $(_sc_search_regexp) |
| 779 | |
| 780 | # Avoid useless parentheses like those in this example: |
| 781 | # #if defined (SYMBOL) || defined (SYM2) |
| 782 | sc_useless_cpp_parens: |
| 783 | @prohibit='^# *if .*defined *\(' \ |
| 784 | halt='found useless parentheses in cpp directive' \ |
| 785 | $(_sc_search_regexp) |
| 786 | |
| 787 | # List headers for which HAVE_HEADER_H is always true, assuming you are |
| 788 | # using the appropriate gnulib module. CAUTION: for each "unnecessary" |
| 789 | # #if HAVE_HEADER_H that you remove, be sure that your project explicitly |
| 790 | # requires the gnulib module that guarantees the usability of that header. |
| 791 | gl_assured_headers_ = \ |
| 792 | cd $(gnulib_dir)/lib && echo *.in.h|sed 's/\.in\.h//g' |
| 793 | |
| 794 | # Convert the list of names to upper case, and replace each space with "|". |
| 795 | az_ = abcdefghijklmnopqrstuvwxyz |
| 796 | AZ_ = ABCDEFGHIJKLMNOPQRSTUVWXYZ |
| 797 | gl_header_upper_case_or_ = \ |
| 798 | $$($(gl_assured_headers_) \ |
| 799 | | tr $(az_)/.- $(AZ_)___ \ |
| 800 | | tr -s ' ' '|' \ |
| 801 | ) |
| 802 | sc_prohibit_always_true_header_tests: |
| 803 | @or=$(gl_header_upper_case_or_); \ |
| 804 | re="HAVE_($$or)_H"; \ |
| 805 | prohibit='\<'"$$re"'\>' \ |
| 806 | halt=$$(printf '%s\n' \ |
| 807 | 'do not test the above HAVE_<header>_H symbol(s);' \ |
| 808 | ' with the corresponding gnulib module, they are always true') \ |
| 809 | $(_sc_search_regexp) |
| 810 | |
| 811 | sc_prohibit_defined_have_decl_tests: |
| 812 | @prohibit='#[ ]*if(n?def|.*\<defined)\>[ (]+HAVE_DECL_' \ |
| 813 | halt='HAVE_DECL macros are always defined' \ |
| 814 | $(_sc_search_regexp) |
| 815 | |
| 816 | # ================================================================== |
| 817 | gl_other_headers_ ?= \ |
| 818 | intprops.h \ |
| 819 | openat.h \ |
| 820 | stat-macros.h |
| 821 | |
| 822 | # Perl -lne code to extract "significant" cpp-defined symbols from a |
| 823 | # gnulib header file, eliminating a few common false-positives. |
| 824 | # The exempted names below are defined only conditionally in gnulib, |
| 825 | # and hence sometimes must/may be defined in application code. |
| 826 | gl_extract_significant_defines_ = \ |
| 827 | /^\# *define ([^_ (][^ (]*)(\s*\(|\s+\w+)/\ |
| 828 | && $$2 !~ /(?:rpl_|_used_without_)/\ |
| 829 | && $$1 !~ /^(?:NSIG|ENODATA)$$/\ |
| 830 | && $$1 !~ /^(?:SA_RESETHAND|SA_RESTART)$$/\ |
| 831 | and print $$1 |
| 832 | |
| 833 | # Create a list of regular expressions matching the names |
| 834 | # of macros that are guaranteed to be defined by parts of gnulib. |
| 835 | define def_sym_regex |
| 836 | gen_h=$(gl_generated_headers_); \ |
| 837 | (cd $(gnulib_dir)/lib; \ |
| 838 | for f in *.in.h $(gl_other_headers_); do \ |
| 839 | test -f $$f \ |
| 840 | && perl -lne '$(gl_extract_significant_defines_)' $$f; \ |
| 841 | done; \ |
| 842 | ) | sort -u \ |
| 843 | | sed 's/^/^ *# *(define|undef) */;s/$$/\\>/' |
| 844 | endef |
| 845 | |
| 846 | # Don't define macros that we already get from gnulib header files. |
| 847 | sc_prohibit_always-defined_macros: |
| 848 | @if test -d $(gnulib_dir); then \ |
| 849 | case $$(echo all: | grep -l -f - Makefile) in Makefile);; *) \ |
| 850 | echo '$(ME): skipping $@: you lack GNU grep' 1>&2; exit 0;; \ |
| 851 | esac; \ |
| 852 | $(def_sym_regex) | grep -E -f - $$($(VC_LIST_EXCEPT)) \ |
| 853 | && { echo '$(ME): define the above via some gnulib .h file' \ |
| 854 | 1>&2; exit 1; } || :; \ |
| 855 | fi |
| 856 | # ================================================================== |
| 857 | |
| 858 | # Prohibit checked in backup files. |
| 859 | sc_prohibit_backup_files: |
| 860 | @$(VC_LIST) | grep '~$$' && \ |
| 861 | { echo '$(ME): found version controlled backup file' 1>&2; \ |
| 862 | exit 1; } || : |
| 863 | |
| 864 | # Require the latest GPL. |
| 865 | sc_GPL_version: |
| 866 | @prohibit='either ''version [^3]' \ |
| 867 | halt='GPL vN, N!=3' \ |
| 868 | $(_sc_search_regexp) |
| 869 | |
| 870 | # Require the latest GFDL. Two regexp, since some .texi files end up |
| 871 | # line wrapping between 'Free Documentation License,' and 'Version'. |
| 872 | _GFDL_regexp = (Free ''Documentation.*Version 1\.[^3]|Version 1\.[^3] or any) |
| 873 | sc_GFDL_version: |
| 874 | @prohibit='$(_GFDL_regexp)' \ |
| 875 | halt='GFDL vN, N!=3' \ |
| 876 | $(_sc_search_regexp) |
| 877 | |
| 878 | # Don't use Texinfo's @acronym{}. |
| 879 | # http://lists.gnu.org/archive/html/bug-gnulib/2010-03/msg00321.html |
| 880 | texinfo_suffix_re_ ?= \.(txi|texi(nfo)?)$$ |
| 881 | sc_texinfo_acronym: |
| 882 | @prohibit='@acronym\{' \ |
| 883 | in_vc_files='$(texinfo_suffix_re_)' \ |
| 884 | halt='found use of Texinfo @acronym{}' \ |
| 885 | $(_sc_search_regexp) |
| 886 | |
| 887 | cvs_keywords = \ |
| 888 | Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State |
| 889 | |
| 890 | sc_prohibit_cvs_keyword: |
| 891 | @prohibit='\$$($(cvs_keywords))\$$' \ |
| 892 | halt='do not use CVS keyword expansion' \ |
| 893 | $(_sc_search_regexp) |
| 894 | |
| 895 | # This Perl code is slightly obfuscated. Not only is each "$" doubled |
| 896 | # because it's in a Makefile, but the $$c's are comments; we cannot |
| 897 | # use "#" due to the way the script ends up concatenated onto one line. |
| 898 | # It would be much more concise, and would produce better output (including |
| 899 | # counts) if written as: |
| 900 | # perl -ln -0777 -e '/\n(\n+)$/ and print "$ARGV: ".length $1' ... |
| 901 | # but that would be far less efficient, reading the entire contents |
| 902 | # of each file, rather than just the last two bytes of each. |
| 903 | # In addition, while the code below detects both blank lines and a missing |
| 904 | # newline at EOF, the above detects only the former. |
| 905 | # |
| 906 | # This is a perl script that is expected to be the single-quoted argument |
| 907 | # to a command-line "-le". The remaining arguments are file names. |
| 908 | # Print the name of each file that does not end in exactly one newline byte. |
| 909 | # I.e., warn if there are blank lines (2 or more newlines), or if the |
| 910 | # last byte is not a newline. However, currently we don't complain |
| 911 | # about any file that contains exactly one byte. |
| 912 | # Exit nonzero if at least one such file is found, otherwise, exit 0. |
| 913 | # Warn about, but otherwise ignore open failure. Ignore seek/read failure. |
| 914 | # |
| 915 | # Use this if you want to remove trailing empty lines from selected files: |
| 916 | # perl -pi -0777 -e 's/\n\n+$/\n/' files... |
| 917 | # |
| 918 | require_exactly_one_NL_at_EOF_ = \ |
| 919 | foreach my $$f (@ARGV) \ |
| 920 | { \ |
| 921 | open F, "<", $$f or (warn "failed to open $$f: $$!\n"), next; \ |
| 922 | my $$p = sysseek (F, -2, 2); \ |
| 923 | my $$c = "seek failure probably means file has < 2 bytes; ignore"; \ |
| 924 | my $$last_two_bytes; \ |
| 925 | defined $$p and $$p = sysread F, $$last_two_bytes, 2; \ |
| 926 | close F; \ |
| 927 | $$c = "ignore read failure"; \ |
| 928 | $$p && ($$last_two_bytes eq "\n\n" \ |
| 929 | || substr ($$last_two_bytes,1) ne "\n") \ |
| 930 | and (print $$f), $$fail=1; \ |
| 931 | } \ |
| 932 | END { exit defined $$fail } |
| 933 | sc_prohibit_empty_lines_at_EOF: |
| 934 | @perl -le '$(require_exactly_one_NL_at_EOF_)' $$($(VC_LIST_EXCEPT)) \ |
| 935 | || { echo '$(ME): empty line(s) or no newline at EOF' \ |
| 936 | 1>&2; exit 1; } || : |
| 937 | |
| 938 | # Make sure we don't use st_blocks. Use ST_NBLOCKS instead. |
| 939 | # This is a bit of a kludge, since it prevents use of the string |
| 940 | # even in comments, but for now it does the job with no false positives. |
| 941 | sc_prohibit_stat_st_blocks: |
| 942 | @prohibit='[.>]st_blocks' \ |
| 943 | halt='do not use st_blocks; use ST_NBLOCKS' \ |
| 944 | $(_sc_search_regexp) |
| 945 | |
| 946 | # Make sure we don't define any S_IS* macros in src/*.c files. |
| 947 | # They're already defined via gnulib's sys/stat.h replacement. |
| 948 | sc_prohibit_S_IS_definition: |
| 949 | @prohibit='^ *# *define *S_IS' \ |
| 950 | halt='do not define S_IS* macros; include <sys/stat.h>' \ |
| 951 | $(_sc_search_regexp) |
| 952 | |
| 953 | # Perl block to convert a match to FILE_NAME:LINENO:TEST, |
| 954 | # that is shared by two definitions below. |
| 955 | perl_filename_lineno_text_ = \ |
| 956 | -e ' {' \ |
| 957 | -e ' $$n = ($$` =~ tr/\n/\n/ + 1);' \ |
| 958 | -e ' ($$v = $$&) =~ s/\n/\\n/g;' \ |
| 959 | -e ' print "$$ARGV:$$n:$$v\n";' \ |
| 960 | -e ' }' |
| 961 | |
| 962 | prohibit_doubled_word_RE_ ?= \ |
| 963 | /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims |
| 964 | prohibit_doubled_word_ = \ |
| 965 | -e 'while ($(prohibit_doubled_word_RE_))' \ |
| 966 | $(perl_filename_lineno_text_) |
| 967 | |
| 968 | # Define this to a regular expression that matches |
| 969 | # any filename:dd:match lines you want to ignore. |
| 970 | # The default is to ignore no matches. |
| 971 | ignore_doubled_word_match_RE_ ?= ^$$ |
| 972 | |
| 973 | sc_prohibit_doubled_word: |
| 974 | @perl -n -0777 $(prohibit_doubled_word_) $$($(VC_LIST_EXCEPT)) \ |
| 975 | | grep -vE '$(ignore_doubled_word_match_RE_)' \ |
| 976 | | grep . && { echo '$(ME): doubled words' 1>&2; exit 1; } || : |
| 977 | |
| 978 | # A regular expression matching undesirable combinations of words like |
| 979 | # "can not"; this matches them even when the two words appear on different |
| 980 | # lines, but not when there is an intervening delimiter like "#" or "*". |
| 981 | # Similarly undesirable, "See @xref{...}", since an @xref should start |
| 982 | # a sentence. Explicitly prohibit any prefix of "see" or "also". |
| 983 | # Also prohibit a prefix matching "\w+ +". |
| 984 | # @pxref gets the same see/also treatment and should be parenthesized; |
| 985 | # presume it must *not* start a sentence. |
| 986 | bad_xref_re_ ?= (?:[\w,:;] +|(?:see|also)\s+)\@xref\{ |
| 987 | bad_pxref_re_ ?= (?:[.!?]|(?:see|also))\s+\@pxref\{ |
| 988 | prohibit_undesirable_word_seq_RE_ ?= \ |
| 989 | /(?:\bcan\s+not\b|$(bad_xref_re_)|$(bad_pxref_re_))/gims |
| 990 | prohibit_undesirable_word_seq_ = \ |
| 991 | -e 'while ($(prohibit_undesirable_word_seq_RE_))' \ |
| 992 | $(perl_filename_lineno_text_) |
| 993 | # Define this to a regular expression that matches |
| 994 | # any filename:dd:match lines you want to ignore. |
| 995 | # The default is to ignore no matches. |
| 996 | ignore_undesirable_word_sequence_RE_ ?= ^$$ |
| 997 | |
| 998 | sc_prohibit_undesirable_word_seq: |
| 999 | @perl -n -0777 $(prohibit_undesirable_word_seq_) \ |
| 1000 | $$($(VC_LIST_EXCEPT)) \ |
| 1001 | | grep -vE '$(ignore_undesirable_word_sequence_RE_)' | grep . \ |
| 1002 | && { echo '$(ME): undesirable word sequence' >&2; exit 1; } || : |
| 1003 | |
| 1004 | _ptm1 = use "test C1 && test C2", not "test C1 -''a C2" |
| 1005 | _ptm2 = use "test C1 || test C2", not "test C1 -''o C2" |
| 1006 | # Using test's -a and -o operators is not portable. |
| 1007 | # We prefer test over [, since the latter is spelled [[ in configure.ac. |
| 1008 | sc_prohibit_test_minus_ao: |
| 1009 | @prohibit='(\<test| \[+) .+ -[ao] ' \ |
| 1010 | halt='$(_ptm1); $(_ptm2)' \ |
| 1011 | $(_sc_search_regexp) |
| 1012 | |
| 1013 | # Avoid a test bashism. |
| 1014 | sc_prohibit_test_double_equal: |
| 1015 | @prohibit='(\<test| \[+) .+ == ' \ |
| 1016 | containing='#! */bin/[a-z]*sh' \ |
| 1017 | halt='use "test x = x", not "test x =''= x"' \ |
| 1018 | $(_sc_search_regexp) |
| 1019 | |
| 1020 | # Each program that uses proper_name_utf8 must link with one of the |
| 1021 | # ICONV libraries. Otherwise, some ICONV library must appear in LDADD. |
| 1022 | # The perl -0777 invocation below extracts the possibly-multi-line |
| 1023 | # definition of LDADD from the appropriate Makefile.am and exits 0 |
| 1024 | # when it contains "ICONV". |
| 1025 | sc_proper_name_utf8_requires_ICONV: |
| 1026 | @progs=$$(grep -l 'proper_name_utf8 ''("' $$($(VC_LIST_EXCEPT)));\ |
| 1027 | if test "x$$progs" != x; then \ |
| 1028 | fail=0; \ |
| 1029 | for p in $$progs; do \ |
| 1030 | dir=$$(dirname "$$p"); \ |
| 1031 | perl -0777 \ |
| 1032 | -ne 'exit !(/^LDADD =(.+?[^\\]\n)/ms && $$1 =~ /ICONV/)' \ |
| 1033 | $$dir/Makefile.am && continue; \ |
| 1034 | base=$$(basename "$$p" .c); \ |
| 1035 | grep "$${base}_LDADD.*ICONV)" $$dir/Makefile.am > /dev/null \ |
| 1036 | || { fail=1; echo 1>&2 "$(ME): $$p uses proper_name_utf8"; }; \ |
| 1037 | done; \ |
| 1038 | test $$fail = 1 && \ |
| 1039 | { echo 1>&2 '$(ME): the above do not link with any ICONV library'; \ |
| 1040 | exit 1; } || :; \ |
| 1041 | fi |
| 1042 | |
| 1043 | # Warn about "c0nst struct Foo const foo[]", |
| 1044 | # but not about "char const *const foo" or "#define const const". |
| 1045 | sc_redundant_const: |
| 1046 | @prohibit='\bconst\b[[:space:][:alnum:]]{2,}\bconst\b' \ |
| 1047 | halt='redundant "const" in declarations' \ |
| 1048 | $(_sc_search_regexp) |
| 1049 | |
| 1050 | sc_const_long_option: |
| 1051 | @prohibit='^ *static.*struct option ' \ |
| 1052 | exclude='const struct option|struct option const' \ |
| 1053 | halt='add "const" to the above declarations' \ |
| 1054 | $(_sc_search_regexp) |
| 1055 | |
| 1056 | NEWS_hash = \ |
| 1057 | $$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \ |
| 1058 | $(srcdir)/NEWS \ |
| 1059 | | perl -0777 -pe \ |
| 1060 | 's/^Copyright.+?Free\sSoftware\sFoundation,\sInc\.\n//ms' \ |
| 1061 | | md5sum - \ |
| 1062 | | sed 's/ .*//') |
| 1063 | |
| 1064 | # Ensure that we don't accidentally insert an entry into an old NEWS block. |
| 1065 | sc_immutable_NEWS: |
| 1066 | @if test -f $(srcdir)/NEWS; then \ |
| 1067 | test "$(NEWS_hash)" = '$(old_NEWS_hash)' && : || \ |
| 1068 | { echo '$(ME): you have modified old NEWS' 1>&2; exit 1; }; \ |
| 1069 | fi |
| 1070 | |
| 1071 | # Update the hash stored above. Do this after each release and |
| 1072 | # for any corrections to old entries. |
| 1073 | update-NEWS-hash: NEWS |
| 1074 | perl -pi -e 's/^(old_NEWS_hash[ \t]+:?=[ \t]+).*/$${1}'"$(NEWS_hash)/" \ |
| 1075 | $(srcdir)/cfg.mk |
| 1076 | |
| 1077 | # Ensure that we use only the standard $(VAR) notation, |
| 1078 | # not @...@ in Makefile.am, now that we can rely on automake |
| 1079 | # to emit a definition for each substituted variable. |
| 1080 | # However, there is still one case in which @VAR@ use is not just |
| 1081 | # legitimate, but actually required: when augmenting an automake-defined |
| 1082 | # variable with a prefix. For example, gettext uses this: |
| 1083 | # MAKEINFO = env LANG= LC_MESSAGES= LC_ALL= LANGUAGE= @MAKEINFO@ |
| 1084 | # otherwise, makeinfo would put German or French (current locale) |
| 1085 | # navigation hints in the otherwise-English documentation. |
| 1086 | # |
| 1087 | # Allow the package to add exceptions via a hook in cfg.mk; |
| 1088 | # for example, @PRAGMA_SYSTEM_HEADER@ can be permitted by |
| 1089 | # setting this to ' && !/PRAGMA_SYSTEM_HEADER/'. |
| 1090 | _makefile_at_at_check_exceptions ?= |
| 1091 | sc_makefile_at_at_check: |
| 1092 | @perl -ne '/\@\w+\@/' \ |
| 1093 | -e ' && !/(\w+)\s+=.*\@\1\@$$/' \ |
| 1094 | -e ''$(_makefile_at_at_check_exceptions) \ |
| 1095 | -e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}' \ |
| 1096 | $$($(VC_LIST_EXCEPT) | grep -E '(^|/)(Makefile\.am|[^/]+\.mk)$$') \ |
| 1097 | && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || : |
| 1098 | |
| 1099 | news-check: NEWS |
| 1100 | $(AM_V_GEN)if sed -n $(news-check-lines-spec)p $< \ |
| 1101 | | grep -E $(news-check-regexp) >/dev/null; then \ |
| 1102 | :; \ |
| 1103 | else \ |
| 1104 | echo 'NEWS: $$(news-check-regexp) failed to match' 1>&2; \ |
| 1105 | exit 1; \ |
| 1106 | fi |
| 1107 | |
| 1108 | sc_makefile_TAB_only_indentation: |
| 1109 | @prohibit='^ [ ]{8}' \ |
| 1110 | in_vc_files='akefile|\.mk$$' \ |
| 1111 | halt='found TAB-8-space indentation' \ |
| 1112 | $(_sc_search_regexp) |
| 1113 | |
| 1114 | sc_m4_quote_check: |
| 1115 | @prohibit='(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]' \ |
| 1116 | in_vc_files='(^configure\.ac|\.m4)$$' \ |
| 1117 | halt='quote the first arg to AC_DEF*' \ |
| 1118 | $(_sc_search_regexp) |
| 1119 | |
| 1120 | fix_po_file_diag = \ |
| 1121 | 'you have changed the set of files with translatable diagnostics;\n\ |
| 1122 | apply the above patch\n' |
| 1123 | |
| 1124 | # Verify that all source files using _() (more specifically, files that |
| 1125 | # match $(_gl_translatable_string_re)) are listed in po/POTFILES.in. |
| 1126 | po_file ?= $(srcdir)/po/POTFILES.in |
| 1127 | generated_files ?= $(srcdir)/lib/*.[ch] |
| 1128 | _gl_translatable_string_re ?= \b(N?_|gettext *)\([^)"]*("|$$) |
| 1129 | sc_po_check: |
| 1130 | @if test -f $(po_file); then \ |
| 1131 | grep -E -v '^(#|$$)' $(po_file) \ |
| 1132 | | grep -v '^src/false\.c$$' | sort > $@-1; \ |
| 1133 | files=; \ |
| 1134 | for file in $$($(VC_LIST_EXCEPT)) $(generated_files); do \ |
| 1135 | test -r $$file || continue; \ |
| 1136 | case $$file in \ |
| 1137 | *.m4|*.mk) continue ;; \ |
| 1138 | *.?|*.??) ;; \ |
| 1139 | *) continue;; \ |
| 1140 | esac; \ |
| 1141 | case $$file in \ |
| 1142 | *.[ch]) \ |
| 1143 | base=`expr " $$file" : ' \(.*\)\..'`; \ |
| 1144 | { test -f $$base.l || test -f $$base.y; } && continue;; \ |
| 1145 | esac; \ |
| 1146 | files="$$files $$file"; \ |
| 1147 | done; \ |
| 1148 | grep -E -l '$(_gl_translatable_string_re)' $$files \ |
| 1149 | | sed 's|^$(_dot_escaped_srcdir)/||' | sort -u > $@-2; \ |
| 1150 | diff -u -L $(po_file) -L $(po_file) $@-1 $@-2 \ |
| 1151 | || { printf '$(ME): '$(fix_po_file_diag) 1>&2; exit 1; }; \ |
| 1152 | rm -f $@-1 $@-2; \ |
| 1153 | fi |
| 1154 | |
| 1155 | # Sometimes it is useful to change the PATH environment variable |
| 1156 | # in Makefiles. When doing so, it's better not to use the Unix-centric |
| 1157 | # path separator of ':', but rather the automake-provided '$(PATH_SEPARATOR)'. |
| 1158 | msg = 'Do not use ":" above; use $$(PATH_SEPARATOR) instead' |
| 1159 | sc_makefile_path_separator_check: |
| 1160 | @prohibit='PATH[=].*:' \ |
| 1161 | in_vc_files='akefile|\.mk$$' \ |
| 1162 | halt=$(msg) \ |
| 1163 | $(_sc_search_regexp) |
| 1164 | |
| 1165 | # Check that 'make alpha' will not fail at the end of the process, |
| 1166 | # i.e., when pkg-M.N.tar.xz already exists (either in "." or in ../release) |
| 1167 | # and is read-only. |
| 1168 | writable-files: |
| 1169 | $(AM_V_GEN)if test -d $(release_archive_dir); then \ |
| 1170 | for file in $(DIST_ARCHIVES); do \ |
| 1171 | for p in ./ $(release_archive_dir)/; do \ |
| 1172 | test -e $$p$$file || continue; \ |
| 1173 | test -w $$p$$file \ |
| 1174 | || { echo ERROR: $$p$$file is not writable; fail=1; }; \ |
| 1175 | done; \ |
| 1176 | done; \ |
| 1177 | test "$$fail" && exit 1 || : ; \ |
| 1178 | else :; \ |
| 1179 | fi |
| 1180 | |
| 1181 | v_etc_file = $(gnulib_dir)/lib/version-etc.c |
| 1182 | sample-test = tests/sample-test |
| 1183 | texi = doc/$(PACKAGE).texi |
| 1184 | # Make sure that the copyright date in $(v_etc_file) is up to date. |
| 1185 | # Do the same for the $(sample-test) and the main doc/.texi file. |
| 1186 | sc_copyright_check: |
| 1187 | @require='enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' \ |
| 1188 | in_files=$(v_etc_file) \ |
| 1189 | halt='out of date copyright in $(v_etc_file); update it' \ |
| 1190 | $(_sc_search_regexp) |
| 1191 | @require='# Copyright \(C\) '$$(date +%Y)' Free' \ |
| 1192 | in_vc_files=$(sample-test) \ |
| 1193 | halt='out of date copyright in $(sample-test); update it' \ |
| 1194 | $(_sc_search_regexp) |
| 1195 | @require='Copyright @copyright\{\} .*'$$(date +%Y)' Free' \ |
| 1196 | in_vc_files=$(texi) \ |
| 1197 | halt='out of date copyright in $(texi); update it' \ |
| 1198 | $(_sc_search_regexp) |
| 1199 | |
| 1200 | # If tests/help-version exists and seems to be new enough, assume that its |
| 1201 | # use of init.sh and path_prepend_ is correct, and ensure that every other |
| 1202 | # use of init.sh is identical. |
| 1203 | # This is useful because help-version cross-checks prog --version |
| 1204 | # with $(VERSION), which verifies that its path_prepend_ invocation |
| 1205 | # sets PATH correctly. This is an inexpensive way to ensure that |
| 1206 | # the other init.sh-using tests also get it right. |
| 1207 | _hv_file ?= $(srcdir)/tests/help-version |
| 1208 | _hv_regex_weak ?= ^ *\. .*/init\.sh" |
| 1209 | # Fix syntax-highlighters " |
| 1210 | _hv_regex_strong ?= ^ *\. "\$${srcdir=\.}/init\.sh" |
| 1211 | sc_cross_check_PATH_usage_in_tests: |
| 1212 | @if test -f $(_hv_file); then \ |
| 1213 | grep -l 'VERSION mismatch' $(_hv_file) >/dev/null \ |
| 1214 | || { echo "$@: skipped: no such file: $(_hv_file)" 1>&2; \ |
| 1215 | exit 0; }; \ |
| 1216 | grep -lE '$(_hv_regex_strong)' $(_hv_file) >/dev/null \ |
| 1217 | || { echo "$@: $(_hv_file) lacks conforming use of init.sh" 1>&2; \ |
| 1218 | exit 1; }; \ |
| 1219 | good=$$(grep -E '$(_hv_regex_strong)' $(_hv_file)); \ |
| 1220 | grep -LFx "$$good" \ |
| 1221 | $$(grep -lE '$(_hv_regex_weak)' $$($(VC_LIST_EXCEPT))) \ |
| 1222 | | grep . && \ |
| 1223 | { echo "$(ME): the above files use path_prepend_ inconsistently" \ |
| 1224 | 1>&2; exit 1; } || :; \ |
| 1225 | fi |
| 1226 | |
| 1227 | # BRE regex of file contents to identify a test script. |
| 1228 | _test_script_regex ?= \<init\.sh\> |
| 1229 | |
| 1230 | # In tests, use "compare expected actual", not the reverse. |
| 1231 | sc_prohibit_reversed_compare_failure: |
| 1232 | @prohibit='\<compare [^ ]+ ([^ ]*exp|/dev/null)' \ |
| 1233 | containing='$(_test_script_regex)' \ |
| 1234 | halt='reversed compare arguments' \ |
| 1235 | $(_sc_search_regexp) |
| 1236 | |
| 1237 | # #if HAVE_... will evaluate to false for any non numeric string. |
| 1238 | # That would be flagged by using -Wundef, however gnulib currently |
| 1239 | # tests many undefined macros, and so we can't enable that option. |
| 1240 | # So at least preclude common boolean strings as macro values. |
| 1241 | sc_Wundef_boolean: |
| 1242 | @prohibit='^#define.*(yes|no|true|false)$$' \ |
| 1243 | in_files='$(CONFIG_INCLUDE)' \ |
| 1244 | halt='Use 0 or 1 for macro values' \ |
| 1245 | $(_sc_search_regexp) |
| 1246 | |
| 1247 | # Even if you use pathmax.h to guarantee that PATH_MAX is defined, it might |
| 1248 | # not be constant, or might overflow a stack. In general, use PATH_MAX as |
| 1249 | # a limit, not an array or alloca size. |
| 1250 | sc_prohibit_path_max_allocation: |
| 1251 | @prohibit='(\balloca *\([^)]*|\[[^]]*)\bPATH_MAX' \ |
| 1252 | halt='Avoid stack allocations of size PATH_MAX' \ |
| 1253 | $(_sc_search_regexp) |
| 1254 | |
| 1255 | sc_vulnerable_makefile_CVE-2009-4029: |
| 1256 | @prohibit='perm -777 -exec chmod a\+rwx|chmod 777 \$$\(distdir\)' \ |
| 1257 | in_files='(^|/)Makefile\.in$$' \ |
| 1258 | halt=$$(printf '%s\n' \ |
| 1259 | 'the above files are vulnerable; beware of running' \ |
| 1260 | ' "make dist*" rules, and upgrade to fixed automake' \ |
| 1261 | ' see http://bugzilla.redhat.com/542609 for details') \ |
| 1262 | $(_sc_search_regexp) |
| 1263 | |
| 1264 | sc_vulnerable_makefile_CVE-2012-3386: |
| 1265 | @prohibit='chmod a\+w \$$\(distdir\)' \ |
| 1266 | in_files='(^|/)Makefile\.in$$' \ |
| 1267 | halt=$$(printf '%s\n' \ |
| 1268 | 'the above files are vulnerable; beware of running' \ |
| 1269 | ' "make distcheck", and upgrade to fixed automake' \ |
| 1270 | ' see http://bugzilla.redhat.com/CVE-2012-3386 for details') \ |
| 1271 | $(_sc_search_regexp) |
| 1272 | |
| 1273 | vc-diff-check: |
| 1274 | $(AM_V_GEN)(unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || : |
| 1275 | $(AM_V_at)if test -s vc-diffs; then \ |
| 1276 | cat vc-diffs; \ |
| 1277 | echo "Some files are locally modified:" 1>&2; \ |
| 1278 | exit 1; \ |
| 1279 | else \ |
| 1280 | rm vc-diffs; \ |
| 1281 | fi |
| 1282 | |
| 1283 | rel-files = $(DIST_ARCHIVES) |
| 1284 | |
| 1285 | gnulib_dir ?= $(srcdir)/gnulib |
| 1286 | gnulib-version = $$(cd $(gnulib_dir) && git describe) |
| 1287 | bootstrap-tools ?= autoconf,automake,gnulib |
| 1288 | |
| 1289 | # If it's not already specified, derive the GPG key ID from |
| 1290 | # the signed tag we've just applied to mark this release. |
| 1291 | gpg_key_ID ?= \ |
| 1292 | $$(cd $(srcdir) \ |
| 1293 | && git cat-file tag v$(VERSION) \ |
| 1294 | | gpgv --status-fd 1 --keyring /dev/null - - 2>/dev/null \ |
| 1295 | | awk '/^\[GNUPG:\] ERRSIG / {print $$3; exit}') |
| 1296 | |
| 1297 | translation_project_ ?= coordinator@translationproject.org |
| 1298 | |
| 1299 | # Make info-gnu the default only for a stable release. |
| 1300 | announcement_Cc_stable = $(translation_project_), $(PACKAGE_BUGREPORT) |
| 1301 | announcement_mail_headers_stable = \ |
| 1302 | To: info-gnu@gnu.org \ |
| 1303 | Cc: $(announcement_Cc_) \ |
| 1304 | Mail-Followup-To: $(PACKAGE_BUGREPORT) |
| 1305 | |
| 1306 | announcement_Cc_alpha = $(translation_project_) |
| 1307 | announcement_mail_headers_alpha = \ |
| 1308 | To: $(PACKAGE_BUGREPORT) \ |
| 1309 | Cc: $(announcement_Cc_) |
| 1310 | |
| 1311 | announcement_mail_Cc_beta = $(announcement_mail_Cc_alpha) |
| 1312 | announcement_mail_headers_beta = $(announcement_mail_headers_alpha) |
| 1313 | |
| 1314 | announcement_mail_Cc_ ?= $(announcement_mail_Cc_$(release-type)) |
| 1315 | announcement_mail_headers_ ?= $(announcement_mail_headers_$(release-type)) |
| 1316 | announcement: NEWS ChangeLog $(rel-files) |
| 1317 | # Not $(AM_V_GEN) since the output of this command serves as |
| 1318 | # announcement message: it would start with " GEN announcement". |
| 1319 | $(AM_V_at)$(srcdir)/$(_build-aux)/announce-gen \ |
| 1320 | --mail-headers='$(announcement_mail_headers_)' \ |
| 1321 | --release-type=$(release-type) \ |
| 1322 | --package=$(PACKAGE) \ |
| 1323 | --prev=$(PREV_VERSION) \ |
| 1324 | --curr=$(VERSION) \ |
| 1325 | --gpg-key-id=$(gpg_key_ID) \ |
| 1326 | --srcdir=$(srcdir) \ |
| 1327 | --news=$(srcdir)/NEWS \ |
| 1328 | --bootstrap-tools=$(bootstrap-tools) \ |
| 1329 | $$(case ,$(bootstrap-tools), in (*,gnulib,*) \ |
| 1330 | echo --gnulib-version=$(gnulib-version);; esac) \ |
| 1331 | --no-print-checksums \ |
| 1332 | $(addprefix --url-dir=, $(url_dir_list)) |
| 1333 | |
| 1334 | .PHONY: release-commit |
| 1335 | release-commit: |
| 1336 | $(AM_V_GEN)cd $(srcdir) \ |
| 1337 | && $(_build-aux)/do-release-commit-and-tag \ |
| 1338 | -C $(abs_builddir) $(RELEASE) |
| 1339 | |
| 1340 | ## ---------------- ## |
| 1341 | ## Updating files. ## |
| 1342 | ## ---------------- ## |
| 1343 | |
| 1344 | ftp-gnu = ftp://ftp.gnu.org/gnu |
| 1345 | www-gnu = http://www.gnu.org |
| 1346 | |
| 1347 | upload_dest_dir_ ?= $(PACKAGE) |
| 1348 | upload_command = \ |
| 1349 | $(srcdir)/$(_build-aux)/gnupload $(GNUPLOADFLAGS) \ |
| 1350 | --to $(gnu_rel_host):$(upload_dest_dir_) \ |
| 1351 | $(rel-files) |
| 1352 | emit_upload_commands: |
| 1353 | @echo ===================================== |
| 1354 | @echo ===================================== |
| 1355 | @echo '$(upload_command)' |
| 1356 | @echo '# send the ~/announce-$(my_distdir) e-mail' |
| 1357 | @echo ===================================== |
| 1358 | @echo ===================================== |
| 1359 | |
| 1360 | .PHONY: upload |
| 1361 | upload: |
| 1362 | $(AM_V_GEN)$(upload_command) |
| 1363 | |
| 1364 | define emit-commit-log |
| 1365 | printf '%s\n' 'maint: post-release administrivia' '' \ |
| 1366 | '* NEWS: Add header line for next release.' \ |
| 1367 | '* .prev-version: Record previous version.' \ |
| 1368 | '* cfg.mk (old_NEWS_hash): Auto-update.' |
| 1369 | endef |
| 1370 | |
| 1371 | .PHONY: no-submodule-changes |
| 1372 | no-submodule-changes: |
| 1373 | $(AM_V_GEN)if test -d $(srcdir)/.git; then \ |
| 1374 | diff=$$(cd $(srcdir) && git submodule -q foreach \ |
| 1375 | git diff-index --name-only HEAD) \ |
| 1376 | || exit 1; \ |
| 1377 | case $$diff in '') ;; \ |
| 1378 | *) echo '$(ME): submodule files are locally modified:'; \ |
| 1379 | echo "$$diff"; exit 1;; esac; \ |
| 1380 | else \ |
| 1381 | : ; \ |
| 1382 | fi |
| 1383 | |
| 1384 | submodule-checks ?= no-submodule-changes public-submodule-commit |
| 1385 | |
| 1386 | # Ensure that each sub-module commit we're using is public. |
| 1387 | # Without this, it is too easy to tag and release code that |
| 1388 | # cannot be built from a fresh clone. |
| 1389 | .PHONY: public-submodule-commit |
| 1390 | public-submodule-commit: |
| 1391 | $(AM_V_GEN)if test -d $(srcdir)/.git; then \ |
| 1392 | cd $(srcdir) && \ |
| 1393 | git submodule --quiet foreach \ |
| 1394 | test '"$$(git rev-parse "$$sha1")"' \ |
| 1395 | = '"$$(git merge-base origin "$$sha1")"' \ |
| 1396 | || { echo '$(ME): found non-public submodule commit' >&2; \ |
| 1397 | exit 1; }; \ |
| 1398 | else \ |
| 1399 | : ; \ |
| 1400 | fi |
| 1401 | # This rule has a high enough utility/cost ratio that it should be a |
| 1402 | # dependent of "check" by default. However, some of us do occasionally |
| 1403 | # commit a temporary change that deliberately points to a non-public |
| 1404 | # submodule commit, and want to be able to use rules like "make check". |
| 1405 | # In that case, run e.g., "make check gl_public_submodule_commit=" |
| 1406 | # to disable this test. |
| 1407 | gl_public_submodule_commit ?= public-submodule-commit |
| 1408 | check: $(gl_public_submodule_commit) |
| 1409 | |
| 1410 | .PHONY: alpha beta stable release |
| 1411 | ALL_RECURSIVE_TARGETS += alpha beta stable |
| 1412 | alpha beta stable: $(local-check) writable-files $(submodule-checks) |
| 1413 | $(AM_V_GEN)test $@ = stable \ |
| 1414 | && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \ |
| 1415 | || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\ |
| 1416 | || : |
| 1417 | $(AM_V_at)$(MAKE) vc-diff-check |
| 1418 | $(AM_V_at)$(MAKE) news-check |
| 1419 | $(AM_V_at)$(MAKE) distcheck |
| 1420 | $(AM_V_at)$(MAKE) dist |
| 1421 | $(AM_V_at)$(MAKE) $(release-prep-hook) RELEASE_TYPE=$@ |
| 1422 | $(AM_V_at)$(MAKE) -s emit_upload_commands RELEASE_TYPE=$@ |
| 1423 | |
| 1424 | release: |
| 1425 | $(AM_V_GEN)$(MAKE) $(release-type) |
| 1426 | |
| 1427 | # Override this in cfg.mk if you follow different procedures. |
| 1428 | release-prep-hook ?= release-prep |
| 1429 | |
| 1430 | gl_noteworthy_news_ = * Noteworthy changes in release ?.? (????-??-??) [?] |
| 1431 | .PHONY: release-prep |
| 1432 | release-prep: |
| 1433 | $(AM_V_GEN)$(MAKE) --no-print-directory -s announcement \ |
| 1434 | > ~/announce-$(my_distdir) |
| 1435 | $(AM_V_at)if test -d $(release_archive_dir); then \ |
| 1436 | ln $(rel-files) $(release_archive_dir); \ |
| 1437 | chmod a-w $(rel-files); \ |
| 1438 | fi |
| 1439 | $(AM_V_at)echo $(VERSION) > $(prev_version_file) |
| 1440 | $(AM_V_at)$(MAKE) update-NEWS-hash |
| 1441 | $(AM_V_at)perl -pi \ |
| 1442 | -e '$$. == 3 and print "$(gl_noteworthy_news_)\n\n\n"' \ |
| 1443 | $(srcdir)/NEWS |
| 1444 | $(AM_V_at)msg=$$($(emit-commit-log)) || exit 1; \ |
| 1445 | cd $(srcdir) && $(VC) commit -m "$$msg" -a |
| 1446 | |
| 1447 | # Override this with e.g., -s $(srcdir)/some_other_name.texi |
| 1448 | # if the default $(PACKAGE)-derived name doesn't apply. |
| 1449 | gendocs_options_ ?= |
| 1450 | |
| 1451 | .PHONY: web-manual |
| 1452 | web-manual: |
| 1453 | $(AM_V_GEN)test -z "$(manual_title)" \ |
| 1454 | && { echo define manual_title in cfg.mk 1>&2; exit 1; } || : |
| 1455 | $(AM_V_at)cd '$(srcdir)/doc'; \ |
| 1456 | $(SHELL) ../$(_build-aux)/gendocs.sh $(gendocs_options_) \ |
| 1457 | -o '$(abs_builddir)/doc/manual' \ |
| 1458 | --email $(PACKAGE_BUGREPORT) $(PACKAGE) \ |
| 1459 | "$(PACKAGE_NAME) - $(manual_title)" |
| 1460 | $(AM_V_at)echo " *** Upload the doc/manual directory to web-cvs." |
| 1461 | |
| 1462 | .PHONY: web-manual-update |
| 1463 | web-manual-update: |
| 1464 | $(AM_V_GEN)cd $(srcdir) \ |
| 1465 | && $(_build-aux)/gnu-web-doc-update -C $(abs_builddir) |
| 1466 | |
| 1467 | |
| 1468 | # Code Coverage |
| 1469 | |
| 1470 | init-coverage: |
| 1471 | $(MAKE) $(AM_MAKEFLAGS) clean |
| 1472 | lcov --directory . --zerocounters |
| 1473 | |
| 1474 | COVERAGE_CCOPTS ?= "-g --coverage" |
| 1475 | COVERAGE_OUT ?= doc/coverage |
| 1476 | |
| 1477 | build-coverage: |
| 1478 | $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) |
| 1479 | $(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) check |
| 1480 | mkdir -p $(COVERAGE_OUT) |
| 1481 | lcov --directory . --output-file $(COVERAGE_OUT)/$(PACKAGE).info \ |
| 1482 | --capture |
| 1483 | |
| 1484 | gen-coverage: |
| 1485 | genhtml --output-directory $(COVERAGE_OUT) \ |
| 1486 | $(COVERAGE_OUT)/$(PACKAGE).info \ |
| 1487 | --highlight --frames --legend \ |
| 1488 | --title "$(PACKAGE_NAME)" |
| 1489 | |
| 1490 | coverage: init-coverage build-coverage gen-coverage |
| 1491 | |
| 1492 | # Some projects carry local adjustments for gnulib modules via patches in |
| 1493 | # a gnulib patch directory whose default name is gl/ (defined in bootstrap |
| 1494 | # via local_gl_dir=gl). Those patches become stale as the originals evolve |
| 1495 | # in gnulib. Use this rule to refresh any stale patches. It applies each |
| 1496 | # patch to the original in $(gnulib_dir) and uses the temporary result to |
| 1497 | # generate a fuzz-free .diff file. If you customize the name of your local |
| 1498 | # gnulib patch directory via bootstrap.conf, this rule detects that name. |
| 1499 | # Run this from a non-VPATH (i.e., srcdir) build directory. |
| 1500 | .PHONY: refresh-gnulib-patches |
| 1501 | refresh-gnulib-patches: |
| 1502 | gl=gl; \ |
| 1503 | if test -f bootstrap.conf; then \ |
| 1504 | t=$$(perl -lne '/^\s*local_gl_dir=(\S+)/ and $$d=$$1;' \ |
| 1505 | -e 'END{defined $$d and print $$d}' bootstrap.conf); \ |
| 1506 | test -n "$$t" && gl=$$t; \ |
| 1507 | fi; \ |
| 1508 | for diff in $$(cd $$gl; git ls-files | grep '\.diff$$'); do \ |
| 1509 | b=$$(printf %s "$$diff"|sed 's/\.diff$$//'); \ |
| 1510 | VERSION_CONTROL=none \ |
| 1511 | patch "$(gnulib_dir)/$$b" "$$gl/$$diff" || exit 1; \ |
| 1512 | ( cd $(gnulib_dir) || exit 1; \ |
| 1513 | git diff "$$b" > "../$$gl/$$diff"; \ |
| 1514 | git checkout $$b ) || exit 1; \ |
| 1515 | done |
| 1516 | |
| 1517 | # Update gettext files. |
| 1518 | PACKAGE ?= $(shell basename $(PWD)) |
| 1519 | PO_DOMAIN ?= $(PACKAGE) |
| 1520 | POURL = http://translationproject.org/latest/$(PO_DOMAIN)/ |
| 1521 | PODIR ?= po |
| 1522 | refresh-po: |
| 1523 | rm -f $(PODIR)/*.po && \ |
| 1524 | echo "$(ME): getting translations into po (please ignore the robots.txt ERROR 404)..." && \ |
| 1525 | wget --no-verbose --directory-prefix $(PODIR) --no-directories --recursive --level 1 --accept .po --accept .po.1 $(POURL) && \ |
| 1526 | echo 'en@boldquot' > $(PODIR)/LINGUAS && \ |
| 1527 | echo 'en@quot' >> $(PODIR)/LINGUAS && \ |
| 1528 | ls $(PODIR)/*.po | sed 's/\.po//;s,$(PODIR)/,,' | sort >> $(PODIR)/LINGUAS |
| 1529 | |
| 1530 | # Running indent once is not idempotent, but running it twice is. |
| 1531 | INDENT_SOURCES ?= $(C_SOURCES) |
| 1532 | .PHONY: indent |
| 1533 | indent: |
| 1534 | indent $(INDENT_SOURCES) |
| 1535 | indent $(INDENT_SOURCES) |
| 1536 | |
| 1537 | # If you want to set UPDATE_COPYRIGHT_* environment variables, |
| 1538 | # put the assignments in this variable. |
| 1539 | update-copyright-env ?= |
| 1540 | |
| 1541 | # Run this rule once per year (usually early in January) |
| 1542 | # to update all FSF copyright year lists in your project. |
| 1543 | # If you have an additional project-specific rule, |
| 1544 | # add it in cfg.mk along with a line 'update-copyright: prereq'. |
| 1545 | # By default, exclude all variants of COPYING; you can also |
| 1546 | # add exemptions (such as ChangeLog..* for rotated change logs) |
| 1547 | # in the file .x-update-copyright. |
| 1548 | .PHONY: update-copyright |
| 1549 | update-copyright: |
| 1550 | $(AM_V_GEN)grep -l -w Copyright \ |
| 1551 | $$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \ |
| 1552 | | $(update-copyright-env) xargs $(srcdir)/$(_build-aux)/$@ |
| 1553 | |
| 1554 | # This tight_scope test is skipped with a warning if $(_gl_TS_headers) is not |
| 1555 | # overridden and $(_gl_TS_dir)/Makefile.am does not mention noinst_HEADERS. |
| 1556 | |
| 1557 | # NOTE: to override any _gl_TS_* default value, you must |
| 1558 | # define the variable(s) using "export" in cfg.mk. |
| 1559 | _gl_TS_dir ?= src |
| 1560 | |
| 1561 | ALL_RECURSIVE_TARGETS += sc_tight_scope |
| 1562 | sc_tight_scope: tight-scope.mk |
| 1563 | @fail=0; \ |
| 1564 | if ! grep '^ *export _gl_TS_headers *=' $(srcdir)/cfg.mk \ |
| 1565 | > /dev/null \ |
| 1566 | && ! grep -w noinst_HEADERS $(srcdir)/$(_gl_TS_dir)/Makefile.am \ |
| 1567 | > /dev/null 2>&1; then \ |
| 1568 | echo '$(ME): skipping $@'; \ |
| 1569 | else \ |
| 1570 | $(MAKE) -s -C $(_gl_TS_dir) \ |
| 1571 | -f Makefile \ |
| 1572 | -f $(abs_top_srcdir)/cfg.mk \ |
| 1573 | -f $(abs_top_builddir)/$< \ |
| 1574 | _gl_tight_scope \ |
| 1575 | || fail=1; \ |
| 1576 | fi; \ |
| 1577 | rm -f $<; \ |
| 1578 | exit $$fail |
| 1579 | |
| 1580 | tight-scope.mk: $(ME) |
| 1581 | @rm -f $@ $@-t |
| 1582 | @perl -ne '/^# TS-start/.../^# TS-end/ and print' $(srcdir)/$(ME) > $@-t |
| 1583 | @chmod a=r $@-t && mv $@-t $@ |
| 1584 | |
| 1585 | ifeq (a,b) |
| 1586 | # TS-start |
| 1587 | |
| 1588 | # Most functions should have static scope. |
| 1589 | # Any that don't must be marked with 'extern', but 'main' |
| 1590 | # and 'usage' are exceptions: they're always extern, but |
| 1591 | # do not need to be marked. Symbols matching '__.*' are |
| 1592 | # reserved by the compiler, so are automatically excluded below. |
| 1593 | _gl_TS_unmarked_extern_functions ?= main usage |
| 1594 | _gl_TS_function_match ?= /^(?:$(_gl_TS_extern)) +.*?(\S+) *\(/ |
| 1595 | |
| 1596 | # If your project uses a macro like "XTERN", then put |
| 1597 | # the following in cfg.mk to override this default: |
| 1598 | # export _gl_TS_extern = extern|XTERN |
| 1599 | _gl_TS_extern ?= extern |
| 1600 | |
| 1601 | # The second nm|grep checks for file-scope variables with 'extern' scope. |
| 1602 | # Without gnulib's progname module, you might put program_name here. |
| 1603 | # Symbols matching '__.*' are reserved by the compiler, |
| 1604 | # so are automatically excluded below. |
| 1605 | _gl_TS_unmarked_extern_vars ?= |
| 1606 | |
| 1607 | # NOTE: the _match variables are perl expressions -- not mere regular |
| 1608 | # expressions -- so that you can extend them to match other patterns |
| 1609 | # and easily extract matched variable names. |
| 1610 | # For example, if your project declares some global variables via |
| 1611 | # a macro like this: GLOBAL(type, var_name, initializer), then you |
| 1612 | # can override this definition to automatically extract those names: |
| 1613 | # export _gl_TS_var_match = \ |
| 1614 | # /^(?:$(_gl_TS_extern)) .*?\**(\w+)(\[.*?\])?;/ || /\bGLOBAL\(.*?,\s*(.*?),/ |
| 1615 | _gl_TS_var_match ?= /^(?:$(_gl_TS_extern)) .*?(\w+)(\[.*?\])?;/ |
| 1616 | |
| 1617 | # The names of object files in (or relative to) $(_gl_TS_dir). |
| 1618 | _gl_TS_obj_files ?= *.$(OBJEXT) |
| 1619 | |
| 1620 | # Files in which to search for the one-line style extern declarations. |
| 1621 | # $(_gl_TS_dir)-relative. |
| 1622 | _gl_TS_headers ?= $(noinst_HEADERS) |
| 1623 | _gl_TS_other_headers ?= *.h |
| 1624 | |
| 1625 | .PHONY: _gl_tight_scope |
| 1626 | _gl_tight_scope: $(bin_PROGRAMS) |
| 1627 | t=exceptions-$$$$; \ |
| 1628 | trap 's=$$?; rm -f $$t; exit $$s' 0; \ |
| 1629 | for sig in 1 2 3 13 15; do \ |
| 1630 | eval "trap 'v=`expr $$sig + 128`; (exit $$v); exit $$v' $$sig"; \ |
| 1631 | done; \ |
| 1632 | src=`for f in $(SOURCES); do \ |
| 1633 | test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \ |
| 1634 | hdr=`for f in $(_gl_TS_headers); do \ |
| 1635 | test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \ |
| 1636 | ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_functions); \ |
| 1637 | grep -h -A1 '^extern .*[^;]$$' $$src \ |
| 1638 | | grep -vE '^(extern |--)' | sed 's/ .*//'; \ |
| 1639 | perl -lne \ |
| 1640 | '$(_gl_TS_function_match) and print "^$$1\$$"' $$hdr; \ |
| 1641 | ) | sort -u > $$t; \ |
| 1642 | nm -e $(_gl_TS_obj_files) | sed -n 's/.* T //p'|grep -Ev -f $$t \ |
| 1643 | && { echo the above functions should have static scope >&2; \ |
| 1644 | exit 1; } || : ; \ |
| 1645 | ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_vars); \ |
| 1646 | perl -lne '$(_gl_TS_var_match) and print "^$$1\$$"' \ |
| 1647 | $$hdr $(_gl_TS_other_headers) \ |
| 1648 | ) | sort -u > $$t; \ |
| 1649 | nm -e $(_gl_TS_obj_files) | sed -n 's/.* [BCDGRS] //p' \ |
| 1650 | | sort -u | grep -Ev -f $$t \ |
| 1651 | && { echo the above variables should have static scope >&2; \ |
| 1652 | exit 1; } || : |
| 1653 | # TS-end |
| 1654 | endif |