maint.mk

   1 # -*-Makefile-*-
   2 # This Makefile fragment tries to be general-purpose enough to be
   3 # used by at least coreutils, idutils, CPPI, Bison, and Autoconf.
   4
   5 ## Copyright (C) 2001-2008 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 # Do not save the original name or timestamp in the .tar.gz file.
  25 # Use --rsyncable if available.
  26 gzip_rsyncable := \
  27   $(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null && echo --rsyncable)
  28 GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
  29
  30 GIT = git
  31 VC = $(GIT)
  32 VC-tag = git tag -s -m '$(VERSION)'
  33
  34 VC_LIST = $(srcdir)/build-aux/vc-list-files -C $(srcdir)
  35
  36 VC_LIST_EXCEPT = \
  37   $(VC_LIST) | if test -f $(srcdir)/.x-$@; then \
  38     grep -vEf $(srcdir)/.x-$@;                  \
  39   else                                          \
  40     grep -v ChangeLog;                          \
  41   fi
  42
  43 ifeq ($(origin prev_version_file), undefined)
  44   prev_version_file = $(srcdir)/.prev-version
  45 endif
  46
  47 PREV_VERSION := $(shell cat $(prev_version_file))
  48 VERSION_REGEXP = $(subst .,\.,$(VERSION))
  49
  50 this-vc-tag = v$(VERSION)
  51 this-vc-tag-regexp = v$(VERSION_REGEXP)
  52 my_distdir = $(PACKAGE)-$(VERSION)
  53
  54 # Old releases are stored here.
  55 # Used for diffs and xdeltas.
  56 release_archive_dir ?= ../release
  57
  58 # Prevent programs like 'sort' from considering distinct strings to be equal.
  59 # Doing it here saves us from having to set LC_ALL elsewhere in this file.
  60 export LC_ALL = C
  61
  62
  63
  64 ## --------------- ##
  65 ## Sanity checks.  ##
  66 ## --------------- ##
  67
  68 # Collect the names of rules starting with `sc_'.
  69 syntax-check-rules := $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \
  70                         $(srcdir)/$(ME))
  71 .PHONY: $(syntax-check-rules)
  72
  73 local-checks-available = \
  74   po-check copyright-check writable-files m4-check author_mark_check \
  75   changelog-check patch-check strftime-check $(syntax-check-rules) \
  76   makefile_path_separator_check \
  77   makefile-check check-AUTHORS
  78 .PHONY: $(local-checks-available)
  79
  80 local-check := $(filter-out $(local-checks-to-skip), $(local-checks-available))
  81
  82 syntax-check: $(local-check)
  83 #       @shopt -s nullglob;                                             \
  84 #       grep -nE '#  *include <(limits|std(def|arg|bool))\.h>'          \
  85 #           $$(find -type f -name '*.[chly]') /dev/null &&              \
  86 #         { echo '$(ME): found conditional include' 1>&2;               \
  87 #           exit 1; } || :
  88
  89 #       grep -nE '^#  *include <(string|stdlib)\.h>'                    \
  90 #           $(srcdir)/{lib,src}/*.[chly] /dev/null &&                   \
  91 #         { echo '$(ME): FIXME' 1>&2;                                   \
  92 #           exit 1; } || :
  93 # FIXME: don't allow `#include .strings\.h' anywhere
  94
  95 sc_cast_of_argument_to_free:
  96         @shopt -s nullglob;                                             \
  97         grep -nE '\<free \(\('                                          \
  98             $(srcdir)/{lib,src}/*.[chly] /dev/null &&                   \
  99           { echo '$(ME): don'\''t cast free argument' 1>&2;             \
 100             exit 1; } || :
 101
 102 sc_cast_of_x_alloc_return_value:
 103         @shopt -s nullglob;                                             \
 104         grep -nE --exclude=$(srcdir)/lib/regex.c                        \
 105             '\*\) *x(m|c|re)alloc\>'                                    \
 106             $(srcdir)/{lib,src}/*.[chly] /dev/null &&                   \
 107           { echo '$(ME): don'\''t cast x*alloc return value' 1>&2;      \
 108             exit 1; } || :
 109
 110 sc_cast_of_alloca_return_value:
 111         @shopt -s nullglob;                                             \
 112         grep -nE '\*\) *alloca\>'                                       \
 113             $(srcdir)/src/*.[chly] /dev/null &&                         \
 114           { echo '$(ME): don'\''t cast alloca return value' 1>&2;       \
 115             exit 1; } || :
 116
 117 sc_space_tab:
 118         @grep -n '[ ]   ' $$($(VC_LIST_EXCEPT)) &&                      \
 119           { echo '$(ME): found SPACE-TAB sequence; remove the SPACE'    \
 120                 1>&2; exit 1; } || :
 121
 122 # Don't use *scanf or the old ato* functions in `real' code.
 123 # They provide no error checking mechanism.
 124 # Instead, use strto* functions.
 125 sc_prohibit_atoi_atof:
 126         @grep -nE '\<([fs]?scanf|ato([filq]|ll))\>' $$($(VC_LIST_EXCEPT)) && \
 127           { echo '$(ME): do not use *scan''f, ato''f, ato''i, ato''l, ato''ll, ato''q, or ss''canf'     \
 128                 1>&2; exit 1; } || :
 129
 130 # Using EXIT_SUCCESS as the first argument to error is misleading,
 131 # since when that parameter is 0, error does not exit.  Use `0' instead.
 132 sc_error_exit_success:
 133         @grep -nF 'error (EXIT_SUCCESS,'                                \
 134             $$(find -type f -name '*.[chly]') /dev/null &&              \
 135           { echo '$(ME): found error (EXIT_SUCCESS' 1>&2;               \
 136             exit 1; } || :
 137
 138 sc_file_system:
 139         @grep -ni 'file''system' $$($(VC_LIST_EXCEPT))                  \
 140           | grep -v 'File''system Hierarchy Standard' &&                \
 141           { echo '$(ME): found use of "file''system";'                  \
 142             'rewrite to use "file system"' 1>&2;                        \
 143             exit 1; } || :
 144
 145 sc_no_have_config_h:
 146         @grep -n '^# *if.*HAVE''_CONFIG_H' $$($(VC_LIST_EXCEPT)) &&     \
 147           { echo '$(ME): found use of HAVE''_CONFIG_H; remove'          \
 148                 1>&2; exit 1; } || :
 149
 150 # Nearly all .c files must include <config.h>.
 151 sc_require_config_h:
 152         @if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then          \
 153           grep -L '^# *include <config\.h>'                             \
 154                 $$($(VC_LIST_EXCEPT) | grep '\.c$$')                    \
 155               | grep . &&                                               \
 156           { echo '$(ME): the above files do not include <config.h>'     \
 157                 1>&2; exit 1; } || :;                                   \
 158         else :;                                                         \
 159         fi
 160
 161 # To use this "command" macro, you must first define two shell variables:
 162 # h: the header, enclosed in <> or ""
 163 # re: a regular expression that matches IFF something provided by $h is used.
 164 define _header_without_use
 165   h_esc=`echo "$$h"|sed 's/\./\\./'`;                                   \
 166   if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then                 \
 167     files=$$(grep -l '^# *include '"$$h_esc"                            \
 168              $$($(VC_LIST_EXCEPT) | grep '\.c$$')) &&                   \
 169     grep -LE "$$re" $$files | grep . &&                                 \
 170       { echo "$(ME): the above files include $$h but don't use it"      \
 171         1>&2; exit 1; } || :;                                           \
 172   else :;                                                               \
 173   fi
 174 endef
 175
 176 # Prohibit the inclusion of assert.h without an actual use of assert.
 177 sc_prohibit_assert_without_use:
 178         @h='<assert.h>' re='\<assert *\(' $(_header_without_use)
 179
 180 # Prohibit the inclusion of getopt.h without an actual use.
 181 sc_prohibit_getopt_without_use:
 182         @h='<getopt.h>' re='\<getopt(_long)? *\(' $(_header_without_use)
 183
 184 # Don't include quotearg.h unless you use one of its functions.
 185 sc_prohibit_quotearg_without_use:
 186         @h='"quotearg.h"' re='\<quotearg(_[^ ]+)? *\(' $(_header_without_use)
 187
 188 # Don't include quote.h unless you use one of its functions.
 189 sc_prohibit_quote_without_use:
 190         @h='"quote.h"' re='\<quote(_n)? *\(' $(_header_without_use)
 191
 192 # Don't include this header unless you use one of its functions.
 193 sc_prohibit_long_options_without_use:
 194         @h='"long-options.h"' re='\<parse_long_options *\(' \
 195           $(_header_without_use)
 196
 197 # Don't include this header unless you use one of its functions.
 198 sc_prohibit_inttostr_without_use:
 199         @h='"inttostr.h"' re='\<(off|[iu]max|uint)tostr *\(' \
 200           $(_header_without_use)
 201
 202 # Don't include this header unless you use one of its functions.
 203 sc_prohibit_error_without_use:
 204         @h='"error.h"' \
 205         re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\
 206           $(_header_without_use)
 207
 208 sc_prohibit_safe_read_without_use:
 209         @h='"safe-read.h"' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
 210           $(_header_without_use)
 211
 212 sc_prohibit_argmatch_without_use:
 213         @h='"argmatch.h"' \
 214         re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<argmatch(_exit_fn|_(in)?valid) *\()' \
 215           $(_header_without_use)
 216
 217 sc_prohibit_root_dev_ino_without_use:
 218         @h='"root-dev-ino.h"' \
 219         re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \
 220           $(_header_without_use)
 221
 222 sc_obsolete_symbols:
 223         @grep -nE '\<(HAVE''_FCNTL_H|O''_NDELAY)\>'                     \
 224              $$($(VC_LIST_EXCEPT)) &&                                   \
 225           { echo '$(ME): do not use HAVE''_FCNTL_H or O''_NDELAY'       \
 226                 1>&2; exit 1; } || :
 227
 228 # FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
 229
 230 # Each nonempty line must start with a year number, or a TAB.
 231 sc_changelog:
 232         @grep -n '^[^12 ]' $$(find $(srcdir) -maxdepth 2 -name ChangeLog) && \
 233           { echo '$(ME): found unexpected prefix in a ChangeLog' 1>&2;  \
 234             exit 1; } || :
 235
 236 # Ensure that dd's definition of LONGEST_SYMBOL stays in sync
 237 # with the strings from the two affected variables.
 238 dd_c = $(srcdir)/src/dd.c
 239 sc_dd_max_sym_length:
 240 ifneq ($(wildcard $(dd_c)),)
 241         @len=$$( (sed -n '/conversions\[\] =$$/,/^};/p' $(dd_c);\
 242                  sed -n '/flags\[\] =$$/,/^};/p' $(dd_c) )      \
 243                 |sed -n '/"/s/^[^"]*"\([^"]*\)".*/\1/p'         \
 244               | wc --max-line-length);                          \
 245         max=$$(sed -n '/^#define LONGEST_SYMBOL /s///p' $(dd_c) \
 246               |tr -d '"' | wc --max-line-length);               \
 247         if test "$$len" = "$$max"; then :; else                 \
 248           echo 'dd.c: LONGEST_SYMBOL is not longest' 1>&2;      \
 249           exit 1;                                               \
 250         fi
 251 endif
 252
 253 # Many m4 macros names once began with `jm_'.
 254 # On 2004-04-13, they were all changed to start with gl_ instead.
 255 # Make sure that none are inadvertently reintroduced.
 256 sc_prohibit_jm_in_m4:
 257         @grep -nE 'jm_[A-Z]'                                    \
 258                 $$($(VC_LIST) m4 |grep '\.m4$$') &&             \
 259             { echo '$(ME): do not use jm_ in m4 macro names'    \
 260               1>&2; exit 1; } || :
 261
 262 sc_root_tests:
 263         @t1=sc-root.expected; t2=sc-root.actual;                        \
 264         grep -nl '^PRIV_CHECK_ARG=require-root'                         \
 265           $$($(VC_LIST) tests) |sed s/tests/./ |sort > $$t1;            \
 266         sed -n 's,      cd \([^ ]*\) .*MAKE..check TESTS=\(.*\),./\1/\2,p' \
 267           $(srcdir)/tests/Makefile.am |sort > $$t2;                     \
 268         diff -u $$t1 $$t2 || diff=1;                                    \
 269         rm -f $$t1 $$t2;                                                \
 270         test "$$diff"                                                   \
 271           && { echo 'tests/Makefile.am: missing check-root action'>&2;  \
 272                exit 1; } || :
 273
 274 # Files in src/ should not include directly any of
 275 # the headers already included via system.h.
 276 sc_system_h_headers:
 277         @if test -f $(srcdir)/src/system.h; then                        \
 278           pat=$$(                                                       \
 279             sed -n '/^# *include /s///p' $(srcdir)/src/system.h /dev/null \
 280             | grep -Ev 'sys/(param|file)\.h'                            \
 281             | sed 's/ .*//;;s/^["<]/^# *include [<"]/;s/\.h[">]$$/\\.h[">]/' \
 282           ) &&                                                          \
 283           grep -nE -f "$pat"                                            \
 284               $$($(VC_LIST) src |                                       \
 285                  grep -Ev '((copy|system)\.h|parse-gram\.c)$$')         \
 286             && { echo '$(ME): the above are already included via system.h'\
 287                   1>&2;  exit 1; } || :;                                \
 288         fi
 289
 290 sc_sun_os_names:
 291         @grep -nEi \
 292             'solaris[^[:alnum:]]*2\.(7|8|9|[1-9][0-9])|sunos[^[:alnum:]][6-9]' \
 293             $$($(VC_LIST_EXCEPT)) &&                                    \
 294           { echo '$(ME): found misuse of Sun OS version numbers' 1>&2;  \
 295             exit 1; } || :
 296
 297 sc_the_the:
 298         @grep -ni '\<the ''the\>' $$($(VC_LIST_EXCEPT)) &&              \
 299           { echo '$(ME): found use of "the ''the";' 1>&2;               \
 300             exit 1; } || :
 301
 302 sc_tight_scope:
 303         test ! -d src || $(MAKE) -C src $@
 304
 305 sc_trailing_blank:
 306         @grep -n '[      ]$$' $$($(VC_LIST_EXCEPT)) &&                  \
 307           { echo '$(ME): found trailing blank(s)'                       \
 308                 1>&2; exit 1; } || :
 309
 310 # Match lines like the following, but where there is only one space
 311 # between the options and the description:
 312 #   -D, --all-repeated[=delimit-method]  print all duplicate lines\n
 313 longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)?
 314 sc_two_space_separator_in_usage:
 315         @grep -nE '^   *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$'         \
 316             $$($(VC_LIST_EXCEPT)) &&                                    \
 317           { echo "$(ME): help2man requires at least two spaces between"; \
 318             echo "$(ME): an option and its description"; \
 319                 1>&2; exit 1; } || :
 320
 321 # Look for diagnostics that aren't marked for translation.
 322 # This won't find any for which error's format string is on a separate line.
 323 sc_unmarked_diagnostics:
 324         @grep -nE                                                       \
 325             '\<error \([^"]*"[^"]*[a-z]{3}' $$($(VC_LIST_EXCEPT))       \
 326           | grep -v '_''(' &&                                           \
 327           { echo '$(ME): found unmarked diagnostic(s)' 1>&2;            \
 328             exit 1; } || :
 329
 330 # Avoid useless parentheses like those in this example:
 331 # #if defined (SYMBOL) || defined (SYM2)
 332 sc_useless_cpp_parens:
 333         @grep -n '^# *if .*defined *(' $$($(VC_LIST_EXCEPT)) &&         \
 334           { echo '$(ME): found useless parentheses in cpp directive'    \
 335                 1>&2; exit 1; } || :
 336
 337 # Ensure that the c99-to-c89 patch applies cleanly.
 338 patch-check:
 339         if test -f src/c99-to-c89.diff; then                            \
 340           rm -rf src-c89 $@.1 $@.2 &&                                   \
 341           cp -a src src-c89 &&                                          \
 342           (cd src-c89; patch -V never --fuzz=0) < src/c99-to-c89.diff   \
 343             > $@.1 2>&1 &&                                              \
 344           { grep -v '^patching file ' $@.1 > $@.2 || :; } &&            \
 345           test -s $@.2 &&                                               \
 346           rm -rf src-c89 $@.1 $@.2;                                     \
 347         fi
 348
 349 # Ensure that date's --help output stays in sync with the info
 350 # documentation for GNU strftime.  The only exception is %N,
 351 # which date accepts but GNU strftime does not.
 352 extract_char = sed 's/^[^%][^%]*%\(.\).*/\1/'
 353 strftime-check:
 354         if test -f $(srcdir)/src/date.c; then                           \
 355           grep '^  %.  ' $(srcdir)/src/date.c | sort                    \
 356             | $(extract_char) > $@-src;                                 \
 357           { echo N;                                                     \
 358             info libc date calendar format | grep '^    `%.'\'          \
 359               | $(extract_char); } | sort > $@-info;                    \
 360           diff -u $@-src $@-info || exit 1;                             \
 361           rm -f $@-src $@-info;                                         \
 362         fi
 363
 364 check-AUTHORS:
 365         test ! -d src || $(MAKE) -C src $@
 366
 367 # Ensure that we use only the standard $(VAR) notation,
 368 # not @...@ in Makefile.am, now that we can rely on automake
 369 # to emit a definition for each substituted variable.
 370 makefile-check:
 371         grep -nE '@[A-Z_0-9]+@' `find $(srcdir) -name Makefile.am` \
 372           && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
 373
 374 news-date-check: NEWS
 375         today=`date +%Y-%m-%d`;                                         \
 376         if head NEWS | grep '^\*.* $(VERSION_REGEXP) ('$$today')'       \
 377             >/dev/null; then                                            \
 378           :;                                                            \
 379         else                                                            \
 380           echo "version or today's date is not in NEWS" 1>&2;           \
 381           exit 1;                                                       \
 382         fi
 383
 384 changelog-check:
 385         if head ChangeLog | grep 'Version $(VERSION_REGEXP)\.$$'        \
 386             >/dev/null; then                                            \
 387           :;                                                            \
 388         else                                                            \
 389           echo "$(VERSION) not in ChangeLog" 1>&2;                      \
 390           exit 1;                                                       \
 391         fi
 392
 393 m4-check:
 394         @shopt -s nullglob;                                             \
 395         grep 'AC_DEFUN([^[]' m4/*.m4 /dev/null                          \
 396           && { echo '$(ME): quote the first arg to AC_DEFUN' 1>&2; \
 397                exit 1; } || :
 398
 399 # Verify that all source files using _() are listed in po/POTFILES.in.
 400 # FIXME: don't hard-code file names below; use a more general mechanism.
 401 po-check:
 402         if test -f po/POTFILES.in; then                                 \
 403           grep -E -v '^(#|$$)' po/POTFILES.in                           \
 404             | grep -v '^src/false\.c$$' | sort > $@-1;                  \
 405           files=;                                                       \
 406           for file in $$($(VC_LIST_EXCEPT)) lib/*.[ch]; do              \
 407             case $$file in                                              \
 408             djgpp/* | man/*) continue;;                                 \
 409             */c99-to-c89.diff) continue;;                               \
 410             esac;                                                       \
 411             case $$file in                                              \
 412             *.[ch])                                                     \
 413               base=`expr " $$file" : ' \(.*\)\..'`;                     \
 414               { test -f $$base.l || test -f $$base.y; } && continue;;   \
 415             esac;                                                       \
 416             files="$$files $$file";                                     \
 417           done;                                                         \
 418           grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files          \
 419             | sort -u > $@-2;                                           \
 420           diff -u $@-1 $@-2 || exit 1;                                  \
 421           rm -f $@-1 $@-2;                                              \
 422         fi
 423
 424 # In a definition of #define AUTHORS "... and ..." where the RHS contains
 425 # the English word `and', the string must be marked with `N_ (...)' so that
 426 # gettext recognizes it as a string requiring translation.
 427 author_mark_check:
 428         @shopt -s nullglob;                                             \
 429         grep -n '^# *define AUTHORS "[^"]* and ' src/*.c /dev/null      \
 430           | grep -v ' N_ (' &&                                          \
 431           { echo '$(ME): enclose the above strings in N_ (...)' 1>&2; \
 432             exit 1; } || :
 433
 434 # Sometimes it is useful to change the PATH environment variable
 435 # in Makefiles.  When doing so, it's better not to use the Unix-centric
 436 # path separator of `:', but rather the automake-provided `@PATH_SEPARATOR@'.
 437 # It'd be better to use `find -print0 ...|xargs -0 ...', but less portable,
 438 # and there probably aren't many projects with so many Makefile.am files
 439 # that we'd have to worry about limits on command line length.
 440 msg = '$(ME): Do not use `:'\'' above; use @PATH_SEPARATOR@ instead'
 441 makefile_path_separator_check:
 442         @grep -n 'PATH=.*:' `find $(srcdir) -name Makefile.am` \
 443           && { echo $(msg) 1>&2; exit 1; } || :
 444
 445 # Check that `make alpha' will not fail at the end of the process.
 446 writable-files:
 447         if test -d $(release_archive_dir); then :; else                 \
 448           mkdir $(release_archive_dir);                                 \
 449         fi
 450         for file in $(distdir).tar.gz $(xd-delta)                       \
 451                     $(release_archive_dir)/$(distdir).tar.gz            \
 452                     $(release_archive_dir)/$(xd-delta); do              \
 453           test -e $$file || continue;                                   \
 454           test -w $$file                                                \
 455             || { echo ERROR: $$file is not writable; fail=1; };         \
 456         done;                                                           \
 457         test "$$fail" && exit 1 || :
 458
 459 v_etc_file = lib/version-etc.c
 460 # Make sure that the copyright date in $(v_etc_file) is up to date.
 461 copyright-check:
 462         @if test -f $(v_etc_file); then \
 463           grep 'enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' $(v_etc_file) \
 464             >/dev/null \
 465           || { echo 'out of date copyright in $(v_etc_file); update it' 1>&2; \
 466                exit 1; }; \
 467         fi
 468
 469 vc-diff-check:
 470         (CDPATH=; cd $(srcdir) && $(VC) diff) > vc-diffs || :
 471         if test -s vc-diffs; then                               \
 472           cat vc-diffs;                                         \
 473           echo "Some files are locally modified:" 1>&2;         \
 474           exit 1;                                               \
 475         else                                                    \
 476           rm vc-diffs;                                          \
 477         fi
 478
 479 cvs-check: vc-diff-check
 480
 481 maintainer-distcheck:
 482         $(MAKE) distcheck
 483         $(MAKE) my-distcheck
 484
 485 # Don't make a distribution if checks fail.
 486 # Also, make sure the NEWS file is up-to-date.
 487 vc-dist: $(local-check) cvs-check maintainer-distcheck
 488         $(MAKE) dist
 489
 490 # Use this to make sure we don't run these programs when building
 491 # from a virgin tgz file, below.
 492 null_AM_MAKEFLAGS = \
 493   ACLOCAL=false \
 494   AUTOCONF=false \
 495   AUTOMAKE=false \
 496   AUTOHEADER=false \
 497   MAKEINFO=false
 498
 499 # Detect format-string/arg-list mismatches that would normally be obscured
 500 # by the use of _().  The --disable-nls effectively defines away that macro,
 501 # and building with CFLAGS='-Wformat -Werror' causes any format warning to be
 502 # treated as a failure.  Also, check for shadowing problems with -Wshadow,
 503 # and for pointer arithmetic problems with -Wpointer-arith.
 504 # These CFLAGS are pretty strict.  If you build this target, you probably
 505 # have to have a recent version of gcc and glibc headers.
 506 TMPDIR ?= /tmp
 507 t=$(TMPDIR)/$(PACKAGE)/test
 508 my-distcheck: $(local-check) $(release_archive_dir)/$(prev-tgz)
 509         -rm -rf $(t)
 510         mkdir -p $(t)
 511         GZIP=$(GZIP_ENV) $(AMTAR) -C $(t) -zxf $(distdir).tar.gz
 512         cd $(t)/$(distdir)                              \
 513           && ./configure --disable-nls                  \
 514           && $(MAKE) CFLAGS='-Werror -Wall -Wformat -Wshadow -Wpointer-arith' \
 515               AM_MAKEFLAGS='$(null_AM_MAKEFLAGS)'       \
 516           && $(MAKE) dvi                                \
 517           && $(MAKE) check                              \
 518           && $(MAKE) distclean
 519         (cd $(t) && mv $(distdir) $(distdir).old        \
 520           && $(AMTAR) -zxf - ) < $(distdir).tar.gz
 521         diff -ur $(t)/$(distdir).old $(t)/$(distdir)
 522         -rm -rf $(t)
 523         @echo "========================"; \
 524         echo "$(distdir).tar.gz is ready for distribution"; \
 525         echo "========================"
 526
 527 prev-tgz = $(PACKAGE)-$(PREV_VERSION).tar.gz
 528 xd-delta = $(PACKAGE)-$(PREV_VERSION)-$(VERSION).xdelta
 529
 530 rel-files = $(xd-delta) $(DIST_ARCHIVES)
 531 announcement: NEWS ChangeLog $(rel-files)
 532         @$(announce_gen)                                                \
 533             --release-type=$(RELEASE_TYPE)                              \
 534             --package=$(PACKAGE)                                        \
 535             --prev=$(PREV_VERSION)                                      \
 536             --curr=$(VERSION)                                           \
 537             --gpg-key-id=$(gpg_key_ID)                                  \
 538             --news=$(srcdir)/NEWS                                       \
 539             --bootstrap-tools=automake                                  \
 540             $(addprefix --url-dir=, $(url_dir_list))
 541
 542 ## ---------------- ##
 543 ## Updating files.  ##
 544 ## ---------------- ##
 545
 546 ftp-gnu = ftp://ftp.gnu.org/gnu
 547 www-gnu = http://www.gnu.org
 548
 549 # Use mv, if you don't have/want move-if-change.
 550 move_if_change ?= move-if-change
 551
 552 emit_upload_commands:
 553         @echo =====================================
 554         @echo =====================================
 555         @echo "$(srcdir)/build-aux/gnupload $(GNUPLOADFLAGS) \\"
 556         @echo "    --to $(gnu_rel_host):$(PACKAGE) \\"
 557         @echo "  $(rel-files)"
 558         @echo '# send the /tmp/announcement e-mail'
 559         @echo =====================================
 560         @echo =====================================
 561
 562 $(xd-delta): $(release_archive_dir)/$(prev-tgz) $(distdir).tar.gz
 563         xdelta delta -9 $^ $@ || :
 564
 565 .PHONY: alpha beta major
 566 alpha beta major: news-date-check changelog-check $(local-check)
 567         test $@ = major                                         \
 568           && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \
 569                || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\
 570           || :
 571         $(MAKE) vc-dist
 572         $(MAKE) $(xd-delta)
 573         $(MAKE) -s announcement RELEASE_TYPE=$@ > /tmp/announce-$(my_distdir)
 574         ln $(rel-files) $(release_archive_dir)
 575         chmod a-w $(rel-files)
 576         $(MAKE) -s emit_upload_commands RELEASE_TYPE=$@
 577         echo $(VERSION) > $(prev_version_file)
 578         $(VC) commit -m \
 579           '$(prev_version_file): Record previous version: $(VERSION).' \
 580           $(prev_version_file)