Makefile.maint

   1 # -*-Makefile-*-
   2 # This Makefile fragment is shared between the coreutils,
   3 # CPPI, Bison, and Autoconf.
   4
   5 ## Copyright (C) 2001-2006 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 2, or (at your option)
  10 ## 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, write to the Free Software
  19 ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20 ## 02110-1301, USA.
  21
  22 # This is reported not to work with make-3.79.1
  23 # ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
  24 ME := Makefile.maint
  25
  26 # Do not save the original name or timestamp in the .tar.gz file.
  27 # Use --rsyncable if available.
  28 gzip_rsyncable = \
  29   (gzip --help|grep rsyncable) >/dev/null 2>&1 && echo --rsyncable
  30 GZIP_ENV = "--no-name --best `$(gzip_rsyncable)`"
  31
  32 CVS = cvs
  33
  34 # cvsu is part of the cvsutils package: http://www.red-bean.com/cvsutils/
  35 CVS_LIST = sh -c ' \
  36     if test -x $(srcdir)/build-aux/cvsu; then \
  37       $(srcdir)/build-aux/cvsu --find --types=AFGM $$*; \
  38     else \
  39       awk -F/ '\''{ \
  40           if (!$$1 && $$3 !~ /^-/) { \
  41             f=FILENAME; \
  42             sub(/CVS\/Entries/, "", f); \
  43             print f $$2; \
  44           }}'\'' \
  45         $$(find $${*-*} -name Entries -print) /dev/null; \
  46     fi \
  47   ' dummy
  48
  49 CVS_LIST_EXCEPT = \
  50   $(CVS_LIST) | if test -f .x-$@; then grep -vEf .x-$@; else grep -v ChangeLog; fi
  51
  52 ifeq ($(origin prev_version_file), undefined)
  53   prev_version_file = .prev-version
  54 endif
  55
  56 PREV_VERSION := $(shell cat $(prev_version_file))
  57 VERSION_REGEXP = $(subst .,\.,$(VERSION))
  58
  59 tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')
  60 tag-this-version = $(subst .,_,$(VERSION))
  61 this-cvs-tag = $(tag-package)-$(tag-this-version)
  62 my_distdir = $(PACKAGE)-$(VERSION)
  63
  64 # Old releases are stored here.
  65 # Used for diffs and xdeltas.
  66 release_archive_dir ?= ../release
  67
  68 # Prevent programs like 'sort' from considering distinct strings to be equal.
  69 # Doing it here saves us from having to set LC_ALL elsewhere in this file.
  70 export LC_ALL = C
  71
  72
  73
  74 ## --------------- ##
  75 ## Sanity checks.  ##
  76 ## --------------- ##
  77
  78 # FIXME: add a check to prohibit definition in src/*.c of symbols defined
  79 # in system.h.  E.g. today I removed from tail.c a useless definition of
  80 # ENOSYS.  It was useless because system.h ensures it's defined.
  81
  82 # Checks that don't require cvs.
  83 # Run `changelog-check' last, as previous test may reveal problems requiring
  84 # new ChangeLog entries.
  85 local-checks-available = \
  86   po-check copyright-check writable-files m4-check author_mark_check \
  87   changelog-check strftime-check $(syntax-check-rules) \
  88   makefile_path_separator_check \
  89   makefile-check
  90 .PHONY: $(local-checks-available)
  91
  92 local-check = $(filter-out $(local-checks-to-skip), $(local-checks-available))
  93
  94 .PHONY: $(syntax-check-rules)
  95 syntax-check-rules = \
  96   sc_cast_of_argument_to_free \
  97   sc_cast_of_x_alloc_return_value \
  98   sc_cast_of_alloca_return_value \
  99   sc_changelog \
 100   sc_dd_max_sym_length \
 101   sc_error_exit_success \
 102   sc_file_system \
 103   sc_no_if_have_config_h \
 104   sc_obsolete_symbols \
 105   sc_prohibit_atoi_atof \
 106   sc_prohibit_jm_in_m4 \
 107   sc_prohibit_assert_without_use \
 108   sc_require_config_h \
 109   sc_root_tests \
 110   sc_space_tab \
 111   sc_sun_os_names \
 112   sc_system_h_headers \
 113   sc_tight_scope \
 114   sc_trailing_blank \
 115   sc_two_space_separator_in_usage \
 116   sc_unmarked_diagnostics \
 117   sc_useless_cpp_parens
 118
 119 syntax-check: $(syntax-check-rules)
 120 #       @grep -nE '#  *include <(limits|std(def|arg|bool))\.h>'         \
 121 #           $$(find -type f -name '*.[chly]') &&                        \
 122 #         { echo '$(ME): found conditional include' 1>&2;               \
 123 #           exit 1; } || :
 124
 125 #       grep -nE '^#  *include <(string|stdlib)\.h>'                    \
 126 #           $(srcdir)/{lib,src}/*.[chy] &&                              \
 127 #         { echo '$(ME): FIXME' 1>&2;                                   \
 128 #           exit 1; } || :
 129 # FIXME: don't allow `#include .strings\.h' anywhere
 130
 131 sc_cast_of_argument_to_free:
 132         @grep -nE '\<free \(\(' $(srcdir)/{lib,src}/*.[chly] &&         \
 133           { echo '$(ME): don'\''t cast free argument' 1>&2;             \
 134             exit 1; } || :
 135
 136 sc_cast_of_x_alloc_return_value:
 137         @grep -nE --exclude=$(srcdir)/lib/regex.c                       \
 138             '\*\) *x(m|c|re)alloc\>'                                    \
 139             $(srcdir)/{lib,src}/*.[chy] &&                              \
 140           { echo '$(ME): don'\''t cast x*alloc return value' 1>&2;      \
 141             exit 1; } || :
 142
 143 sc_cast_of_alloca_return_value:
 144         @grep -nE '\*\) *alloca\>'                                      \
 145             $(srcdir)/src/*.[chy] &&                                    \
 146           { echo '$(ME): don'\''t cast alloca return value' 1>&2;       \
 147             exit 1; } || :
 148
 149 sc_space_tab:
 150         @grep -n '[ ]   ' $$($(CVS_LIST_EXCEPT)) &&                     \
 151           { echo '$(ME): found SPACE-TAB sequence; remove the SPACE'    \
 152                 1>&2; exit 1; } || :
 153
 154 # Don't use the old ato* functions in `real' code.
 155 # They provide no error checking mechanism.
 156 # Instead, use strto* functions.
 157 sc_prohibit_atoi_atof:
 158         @grep -nE '\<ato([filq]|ll)\>' $$($(CVS_LIST_EXCEPT)) &&        \
 159           { echo '$(ME): do not use ato''f, ato''i, ato''l, ato''ll, or ato''q' \
 160                 1>&2; exit 1; } || :
 161
 162 # Using EXIT_SUCCESS as the first argument to error is misleading,
 163 # since when that parameter is 0, error does not exit.  Use `0' instead.
 164 sc_error_exit_success:
 165         @grep -nF 'error (EXIT_SUCCESS,'                                        \
 166             $$(find -type f -name '*.[chly]') &&                        \
 167           { echo '$(ME): found error (EXIT_SUCCESS' 1>&2;               \
 168             exit 1; } || :
 169
 170 sc_file_system:
 171         @grep -ni 'file''system' $$($(CVS_LIST_EXCEPT)) &&              \
 172           { echo '$(ME): found use of "file''system";'                  \
 173             'rewrite to use "file system"' 1>&2;                        \
 174             exit 1; } || :
 175
 176 sc_no_if_have_config_h:
 177         @grep -n '^# *if HAVE_CONFIG_H' $$($(CVS_LIST_EXCEPT)) &&       \
 178           { echo '$(ME): found use of #if HAVE_CONFIG_H; use #ifdef'    \
 179                 1>&2; exit 1; } || :
 180
 181 # Nearly all .c files must include <config.h>.
 182 sc_require_config_h:
 183         @grep -L '^# *include <config\.h>'                              \
 184                 $$($(CVS_LIST_EXCEPT) | grep '\.c$$')                   \
 185             | grep . &&                                                 \
 186           { echo '$(ME): the above files do not include <config.h>'     \
 187                 1>&2; exit 1; } || :
 188
 189 # Prohibit the inclusion of assert.h without an actual use of assert.
 190 sc_prohibit_assert_without_use:
 191         @files=$$(grep -l '# *include <assert\.h>'                      \
 192                     $$($(CVS_LIST_EXCEPT) | grep '\.c$$')) &&           \
 193         grep -L '\<assert (' $$files                                    \
 194             | grep . &&                                                 \
 195           { echo "$(ME): the above files include <assert.h> but don't use it" \
 196                 1>&2; exit 1; } || :
 197
 198 sc_obsolete_symbols:
 199         @grep -nE '\<(HAVE''_FCNTL_H|O''_NDELAY)\>'                     \
 200              $$($(CVS_LIST_EXCEPT)) &&                                  \
 201           { echo '$(ME): do not use HAVE''_FCNTL_H or O''_NDELAY'       \
 202                 1>&2; exit 1; } || :
 203
 204 # FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
 205
 206 # Each nonempty line must start with a year number, or a TAB.
 207 sc_changelog:
 208         @grep -n '^[^12 ]' $$(find . -maxdepth 2 -name ChangeLog) &&    \
 209           { echo '$(ME): found unexpected prefix in a ChangeLog' 1>&2;  \
 210             exit 1; } || :
 211
 212 # Ensure that dd's definition of LONGEST_SYMBOL stays in sync
 213 # with the strings from the two affected variables.
 214 dd_c = $(srcdir)/src/dd.c
 215 sc_dd_max_sym_length:
 216 ifneq ($(wildcard $(dd_c)),)
 217         @len=$$( (sed -n '/conversions\[\] =$$/,/^};/p' $(dd_c);\
 218                  sed -n '/flags\[\] =$$/,/^};/p' $(dd_c) )      \
 219                 |sed -n '/"/s/^[^"]*"\([^"]*\)".*/\1/p'         \
 220               | wc --max-line-length);                          \
 221         max=$$(sed -n '/^#define LONGEST_SYMBOL /s///p' $(dd_c) \
 222               |tr -d '"' | wc --max-line-length);               \
 223         if test "$$len" = "$$max"; then :; else                 \
 224           echo 'dd.c: LONGEST_SYMBOL is not longest' 1>&2;      \
 225           exit 1;                                               \
 226         fi
 227 endif
 228
 229 # Many m4 macros names once began with `jm_'.
 230 # On 2004-04-13, they were all changed to start with gl_ instead.
 231 # Make sure that none are inadvertently reintroduced.
 232 sc_prohibit_jm_in_m4:
 233         @grep -nE 'jm_[A-Z]'                                            \
 234                 $$($(CVS_LIST) $(srcdir)/m4 |grep '\.m4$$') &&          \
 235             { echo '$(ME): do not use jm_ in m4 macro names'            \
 236               1>&2; exit 1; } || :
 237
 238 sc_root_tests:
 239         @t1=sc-root.expected; t2=sc-root.actual;                        \
 240         grep -nl '^PRIV_CHECK_ARG=require-root'                         \
 241           $$($(CVS_LIST) tests) |sed s,tests,., |sort > $$t1;           \
 242         sed -n 's,      cd \([^ ]*\) .*MAKE..check TESTS=\(.*\),./\1/\2,p' \
 243           $(srcdir)/tests/Makefile.am |sort > $$t2;                     \
 244         diff -u $$t1 $$t2 || diff=1;                                    \
 245         rm -f $$t1 $$t2;                                                \
 246         test "$$diff"                                                   \
 247           && { echo 'tests/Makefile.am: missing check-root action'>&2;  \
 248                exit 1; } || :
 249
 250 # Create a list of regular expressions matching the names
 251 # of files included from system.h.  Exclude a couple.
 252 .re-list:
 253         @sed -n '/^# *include /s///p' $(srcdir)/src/system.h \
 254           | grep -Ev 'sys/(param|file)\.h' \
 255           | sed 's/ .*//;;s/^["<]/^# *include [<"]/;s/\.h[">]$$/\\.h[">]/' \
 256           > $@-t
 257         @mv $@-t $@
 258
 259 # Files in src/ should not include directly any of
 260 # the headers already included via system.h.
 261 sc_system_h_headers: .re-list
 262         @if test -f $(srcdir)/src/system.h; then                        \
 263           trap 'rc=$$?; rm -f .re-list; exit $$rc' 0 1 2 3 15;          \
 264           grep -nE -f .re-list                                          \
 265               $$($(CVS_LIST) src |                                      \
 266                  grep -Ev '((copy|system)\.h|parse-gram\.c)$$')         \
 267             && { echo '$(ME): the above are already included via system.h'\
 268                   1>&2;  exit 1; } || :;                                \
 269         fi
 270
 271 sc_sun_os_names:
 272         @grep -nEi \
 273             'solaris[^[:alnum:]]*2\.(7|8|9|[1-9][0-9])|sunos[^[:alnum:]][6-9]' \
 274             $$($(CVS_LIST_EXCEPT)) &&                                   \
 275           { echo '$(ME): found misuse of Sun OS version numbers' 1>&2;  \
 276             exit 1; } || :
 277
 278 sc_tight_scope:
 279         $(MAKE) -C src $@
 280
 281 sc_trailing_blank:
 282         @grep -n '[      ]$$' $$($(CVS_LIST_EXCEPT)) &&                 \
 283           { echo '$(ME): found trailing blank(s)'                       \
 284                 1>&2; exit 1; } || :
 285
 286 sc_two_space_separator_in_usage:
 287         @grep -n '^   *--[a-z][0-9A-Za-z-]* [^ ].*\\$$'                 \
 288             $$($(CVS_LIST_EXCEPT)) &&                                   \
 289           { echo "$(ME): help2man requires at least two spaces between"; \
 290             echo "$(ME): an option and its description"; \
 291                 1>&2; exit 1; } || :
 292
 293 # Look for diagnostics that aren't marked for translation.
 294 # This won't find any for which error's format string is on a separate line.
 295 sc_unmarked_diagnostics:
 296         @grep -nE                                                       \
 297             '\<error \([^"]*"[^"]*[a-z]{3}' $$($(CVS_LIST_EXCEPT))      \
 298           | grep -v '_''(' &&                                           \
 299           { echo '$(ME): found unmarked diagnostic(s)' 1>&2;            \
 300             exit 1; } || :
 301
 302 # Avoid useless parentheses like those in this example:
 303 # #if defined (SYMBOL) || defined (SYM2)
 304 sc_useless_cpp_parens:
 305         @grep -n '^# *if .*defined *(' $$($(CVS_LIST_EXCEPT)) &&        \
 306           { echo '$(ME): found useless parentheses in cpp directive'    \
 307                 1>&2; exit 1; } || :
 308
 309 # Ensure that date's --help output stays in sync with the info
 310 # documentation for GNU strftime.  The only exception is %N,
 311 # which date accepts but GNU strftime does not.
 312 extract_char = sed 's/^[^%][^%]*%\(.\).*/\1/'
 313 strftime-check:
 314         if test -f $(srcdir)/src/date.c; then                           \
 315           grep '^  %.  ' $(srcdir)/src/date.c | sort                    \
 316             | $(extract_char) > $@-src;                                 \
 317           { echo N;                                                     \
 318             info libc date calendar format | grep '^    `%.'\'          \
 319               | $(extract_char); } | sort > $@-info;                    \
 320           diff -u $@-src $@-info || exit 1;                             \
 321           rm -f $@-src $@-info;                                         \
 322         fi
 323
 324 # Ensure that we use only the standard $(VAR) notation,
 325 # not @...@ in Makefile.am, now that we can rely on automake
 326 # to emit a definition for each substituted variable.
 327 makefile-check:
 328         grep -nE '@[A-Z_0-9]+@' `find . -name Makefile.am` \
 329           && { echo 'Makefile.maint: use $$(...), not @...@' 1>&2; exit 1; } || :
 330
 331 news-date-check: NEWS
 332         today=`date +%Y-%m-%d`; \
 333         if head NEWS | grep '^\*.* $(VERSION_REGEXP) ('$$today')' \
 334             >/dev/null; then \
 335           :; \
 336         else \
 337           echo "version or today's date is not in NEWS" 1>&2; \
 338           exit 1; \
 339         fi
 340
 341 changelog-check:
 342         if head ChangeLog | grep 'Version $(VERSION_REGEXP)\.$$' \
 343             >/dev/null; then \
 344           :; \
 345         else \
 346           echo "$(VERSION) not in ChangeLog" 1>&2; \
 347           exit 1; \
 348         fi
 349
 350 m4-check:
 351         @grep -n 'AC_DEFUN([^[]' m4/*.m4 \
 352           && { echo 'Makefile.maint: quote the first arg to AC_DEFUN' 1>&2; \
 353                exit 1; } || :
 354
 355 # Verify that all source files using _() are listed in po/POTFILES.in.
 356 # FIXME: don't hard-code file names below; use a more general mechanism.
 357 po-check:
 358         if test -f po/POTFILES.in; then                                 \
 359           grep -E -v '^(#|$$)' po/POTFILES.in                           \
 360             | grep -v '^src/false\.c$$' | sort > $@-1;                  \
 361           files=;                                                       \
 362           for file in $$($(CVS_LIST_EXCEPT)) lib/*.[ch]; do             \
 363             case $$file in                                              \
 364             djgpp/* | man/*) continue;;                                 \
 365             esac;                                                       \
 366             case $$file in                                              \
 367             *.[ch])                                                     \
 368               base=`expr " $$file" : ' \(.*\)\..'`;                     \
 369               { test -f $$base.l || test -f $$base.y; } && continue;;   \
 370             esac;                                                       \
 371             files="$$files $$file";                                     \
 372           done;                                                         \
 373           grep -E -l '\bN?_\([^)"]*("|$$)' $$files | sort -u > $@-2;    \
 374           diff -u $@-1 $@-2 || exit 1;                                  \
 375           rm -f $@-1 $@-2;                                              \
 376         fi
 377
 378 # In a definition of #define AUTHORS "... and ..." where the RHS contains
 379 # the English word `and', the string must be marked with `N_ (...)' so that
 380 # gettext recognizes it as a string requiring translation.
 381 author_mark_check:
 382         @grep -n '^# *define AUTHORS "[^"]* and ' src/*.c |grep -v ' N_ (' && \
 383           { echo 'Makefile.maint: enclose the above strings in N_ (...)' 1>&2; \
 384             exit 1; } || :
 385
 386 # Sometimes it is useful to change the PATH environment variable
 387 # in Makefiles.  When doing so, it's better not to use the Unix-centric
 388 # path separator of `:', but rather the automake-provided `@PATH_SEPARATOR@'.
 389 # It'd be better to use `find -print0 ...|xargs -0 ...', but less portable,
 390 # and there probably aren't many projects with so many Makefile.am files
 391 # that we'd have to worry about limits on command line length.
 392 msg = 'Makefile.maint: Do not use `:'\'' above; use @PATH_SEPARATOR@ instead'
 393 makefile_path_separator_check:
 394         @grep -n 'PATH=.*:' `find $(srcdir) -name Makefile.am` \
 395           && { echo $(msg) 1>&2; exit 1; } || :
 396
 397 # Check that `make alpha' will not fail at the end of the process.
 398 writable-files:
 399         if test -d $(release_archive_dir); then :; else                 \
 400           mkdir $(release_archive_dir);                                 \
 401         fi
 402         for file in $(distdir).tar.gz $(xd-delta)                       \
 403                     $(release_archive_dir)/$(distdir).tar.gz            \
 404                     $(release_archive_dir)/$(xd-delta); do              \
 405           test -e $$file || continue;                                   \
 406           test -w $$file                                                \
 407             || { echo ERROR: $$file is not writable; fail=1; };         \
 408         done;                                                           \
 409         test "$$fail" && exit 1 || :
 410
 411 v_etc_file = lib/version-etc.c
 412 # Make sure that the copyright date in $(v_etc_file) is up to date.
 413 copyright-check:
 414         @if test -f $(v_etc_file); then \
 415           grep 'enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' $(v_etc_file) \
 416             >/dev/null \
 417           || { echo 'out of date copyright in $(v_etc_file); update it' 1>&2; \
 418                exit 1; }; \
 419         fi
 420
 421
 422 # Sanity checks with the CVS repository.
 423 cvs-tag-check:
 424         echo $(this-cvs-tag); \
 425         if $(CVS) -n log -h README | grep -e $(this-cvs-tag): >/dev/null; then \
 426           echo "$(this-cvs-tag) as already been used; not tagging" 1>&2; \
 427           exit 1; \
 428         else :; fi
 429
 430 cvs-diff-check:
 431         if $(CVS) diff >cvs-diffs; then                         \
 432           rm cvs-diffs;                                         \
 433         else                                                    \
 434           echo "Some files are locally modified:" 1>&2;         \
 435           cat cvs-diffs;                                        \
 436           exit 1;                                               \
 437         fi
 438
 439 cvs-check: cvs-diff-check cvs-tag-check
 440
 441 maintainer-distcheck: changelog-check
 442         $(MAKE) distcheck
 443         $(MAKE) my-distcheck
 444
 445
 446 # Tag before making distribution.  Also, don't make a distribution if
 447 # checks fail.  Also, make sure the NEWS file is up-to-date.
 448 # FIXME: use dist-hook/my-dist like distcheck-hook/my-distcheck.
 449 cvs-dist: $(local-check) cvs-check maintainer-distcheck
 450         $(CVS) update po
 451         $(CVS) tag -c $(this-cvs-tag)
 452         $(MAKE) dist
 453
 454 # Use this to make sure we don't run these programs when building
 455 # from a virgin tgz file, below.
 456 null_AM_MAKEFLAGS = \
 457   ACLOCAL=false \
 458   AUTOCONF=false \
 459   AUTOMAKE=false \
 460   AUTOHEADER=false \
 461   MAKEINFO=false
 462
 463 # Detect format-string/arg-list mismatches that would normally be obscured
 464 # by the use of _().  The --disable-nls effectively defines away that macro,
 465 # and building with CFLAGS='-Wformat -Werror' causes any format warning to be
 466 # treated as a failure.  Also, check for shadowing problems with -Wshadow.
 467 # These CFLAGS are pretty strict.  If you build this target, you probably
 468 # have to have a recent version of gcc and glibc headers.
 469 TMPDIR ?= /tmp
 470 t=$(TMPDIR)/$(PACKAGE)/test
 471 my-distcheck: $(local-check) $(release_archive_dir)/$(prev-tgz)
 472         -rm -rf $(t)
 473         mkdir -p $(t)
 474         GZIP=$(GZIP_ENV) $(AMTAR) -C $(t) -zxf $(distdir).tar.gz
 475         cd $(t)/$(distdir)                              \
 476           && ./configure --disable-nls                  \
 477           && $(MAKE) CFLAGS='-Werror -Wall -Wformat -Wshadow' \
 478               AM_MAKEFLAGS='$(null_AM_MAKEFLAGS)'       \
 479           && $(MAKE) dvi                                \
 480           && $(MAKE) check                              \
 481           && $(MAKE) distclean
 482         (cd $(t) && mv $(distdir) $(distdir).old        \
 483           && $(AMTAR) -zxf - ) < $(distdir).tar.gz
 484         diff -ur $(t)/$(distdir).old $(t)/$(distdir)
 485         -rm -rf $(t)
 486         @echo "========================"; \
 487         echo "$(distdir).tar.gz is ready for distribution"; \
 488         echo "========================"
 489
 490 WGET = wget
 491 WGETFLAGS = -C off
 492
 493 rel-check:
 494         tarz=/tmp/rel-check-tarz-$$$$; \
 495         md5_tmp=/tmp/rel-check-md5-$$$$; \
 496         set -e; \
 497         trap 'status=$$?; rm -f $$tarz $$md5_tmp; exit $$status' 0 1 2 3 15; \
 498         $(WGET) $(WGETFLAGS) -q --output-document=$$tarz $(url); \
 499         echo "$(md5)  -" > $$md5_tmp; \
 500         md5sum -c $$md5_tmp < $$tarz
 501
 502 prev-tgz = $(PACKAGE)-$(PREV_VERSION).tar.gz
 503 xd-delta = $(PACKAGE)-$(PREV_VERSION)-$(VERSION).xdelta
 504
 505 rel-files = $(xd-delta) $(DIST_ARCHIVES)
 506 announcement: NEWS ChangeLog $(rel-files)
 507         @./announce-gen                                                 \
 508             --release-type=$(RELEASE_TYPE)                              \
 509             --package=$(PACKAGE)                                        \
 510             --prev=$(PREV_VERSION)                                      \
 511             --curr=$(VERSION)                                           \
 512             --release-archive-directory=$(release_archive_dir)          \
 513             --gpg-key-id=$(gpg_key_ID)                                  \
 514             --news=NEWS                                                 \
 515             $(addprefix --url-dir=, $(url_dir_list))                    \
 516
 517
 518 ## ---------------- ##
 519 ## Updating files.  ##
 520 ## ---------------- ##
 521
 522 ftp-gnu = ftp://ftp.gnu.org/gnu
 523 www-gnu = http://www.gnu.org
 524
 525 # Use mv, if you don't have/want move-if-change.
 526 move_if_change ?= move-if-change
 527
 528
 529 # --------------------- #
 530 # Updating everything.  #
 531 # --------------------- #
 532
 533 .PHONY: update
 534 local_updates ?= wget-update cvs-update po-update
 535 update: $(local_updates)
 536
 537
 538 # ------------------- #
 539 # Updating PO files.  #
 540 # ------------------- #
 541
 542 po_repo = http://www.iro.umontreal.ca/contrib/po/maint/$(PACKAGE)
 543 .PHONY: do-po-update po-update
 544 do-po-update:
 545         tmppo=/tmp/$(PACKAGE)-$(VERSION)-po &&\
 546         rm -rf $$tmppo && \
 547         mkdir $$tmppo && \
 548         (cd $$tmppo && \
 549           $(WGET) $(WGETFLAGS) -r -l1 -nd --no-parent -A '*.po' $(po_repo)) &&\
 550         cp $$tmppo/*.po po
 551         cd po && $(MAKE) update-po
 552         $(MAKE) po-check
 553
 554 po-update:
 555         if test -d "po"; then \
 556           $(MAKE) do-po-update; \
 557         fi
 558
 559 # -------------------------- #
 560 # Updating GNU build tools.  #
 561 # -------------------------- #
 562
 563 # The following pseudo table associates a local directory and a URL
 564 # with each of the files that belongs to some other package and is
 565 # regularly updated from the specified URL.
 566 wget_files ?= \
 567   $(srcdir)/build-aux/config.guess \
 568   $(srcdir)/build-aux/config.sub \
 569   $(srcdir)/build-aux/texinfo.tex \
 570   $(srcdir)/src/ansi2knr.c
 571
 572 get-targets = $(patsubst %, get-%, $(wget_files))
 573
 574 config.guess-url_prefix = $(ftp-gnu)/build-aux/
 575 config.sub-url_prefix = $(ftp-gnu)/build-aux/
 576
 577 ansi2knr.c-url_prefix = ftp://ftp.cs.wisc.edu/ghost/
 578
 579 texinfo.tex-url_prefix = $(ftp-gnu)/texinfo/
 580
 581 standards.texi-url_prefix = $(www-gnu)/prep/
 582 make-stds.texi-url_prefix = $(standards.texi-url_prefix)
 583
 584 target = $(patsubst get-%, %, $@)
 585 url = $($(notdir $(target))-url_prefix)$(notdir $(target))
 586
 587 .PHONY: $(get-targets)
 588 $(get-targets):
 589         $(WGET) $(WGETFLAGS) $(url) -O $(target).t \
 590           && $(move_if_change) $(target).t $(target)
 591
 592 cvs_files ?= \
 593   $(srcdir)/build-aux/depcomp \
 594   $(srcdir)/build-aux/install-sh \
 595   $(srcdir)/build-aux/missing \
 596   $(srcdir)/build-aux/mkinstalldirs \
 597   $(srcdir)/src/ansi2knr.c
 598 automake_repo=:pserver:anoncvs:anoncvs@sources.redhat.com:/cvs/automake
 599 .PHONY: wget-update
 600 wget-update: $(get-targets)
 601
 602 .PHONY: cvs-update
 603 cvs-update:
 604         fail=;                                                          \
 605         for f in $(cvs_files); do                                       \
 606           test -f $$f || { echo "*** skipping $$f" 1>&2; continue; };   \
 607           cvs diff $$f > /dev/null                                      \
 608             || { echo "*** $$f is locally modified; skipping it" 1>&2;  \
 609                  fail=yes; continue; };                                 \
 610           file=$$(basename $$f);                                        \
 611           echo checking out $$file...;                                  \
 612           $(CVS) -d $(automake_repo) co -p automake/lib/$$file> $$f.t   \
 613             && $(move_if_change) $$f.t $$f;                             \
 614         done;                                                           \
 615         test "$$fail" && exit 1
 616
 617 emit_upload_commands:
 618         @echo =====================================
 619         @echo =====================================
 620         @echo "$(srcdir)/gnupload $(GNUPLOADFLAGS) \\"
 621         @echo "    --to $(gnu_rel_host):coreutils \\"
 622         @echo "  $(rel-files)"
 623         @echo '# send the /tmp/announcement e-mail'
 624         @echo =====================================
 625         @echo =====================================
 626
 627 $(xd-delta): $(release_archive_dir)/$(prev-tgz) $(distdir).tar.gz
 628         xdelta delta -9 $^ $@ || :
 629
 630 .PHONY: alpha beta major
 631 alpha beta major: news-date-check $(local-check)
 632         $(MAKE) cvs-dist
 633         $(MAKE) $(xd-delta)
 634         $(MAKE) -s announcement RELEASE_TYPE=$@ > /tmp/announce-$(my_distdir)
 635         ln $(rel-files) $(release_archive_dir)
 636         chmod a-w $(rel-files)
 637         $(MAKE) -s emit_upload_commands RELEASE_TYPE=$@
 638         echo $(VERSION) > $(prev_version_file)
 639         $(CVS) ci -m. $(prev_version_file)