maintainer/maint.mk

   1 # Maintainer makefile rules for Automake.
   2 #
   3 # Copyright (C) 1995-2024 Free Software Foundation, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2, or (at your option)
   8 # any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  17
  18 # Avoid CDPATH issues.
  19 unexport CDPATH
  20
  21 # Program to use to fetch files from the Net.
  22 WGET = wget
  23
  24 # --------------------------------------------------------- #
  25 #  Automatic generation of the ChangeLog from git history.  #
  26 # --------------------------------------------------------- #
  27
  28 gitlog_to_changelog_command = $(PERL) $(srcdir)/lib/gitlog-to-changelog
  29 gitlog_to_changelog_fixes = $(srcdir)/.git-log-fix
  30 gitlog_to_changelog_options = \
  31   --srcdir=$(srcdir) \
  32   --amend=$(gitlog_to_changelog_fixes) \
  33   --since='2011-12-28 00:00:00' \
  34   --no-cluster --format '%s%n%n%b'
  35
  36 EXTRA_DIST += lib/gitlog-to-changelog
  37 EXTRA_DIST += $(gitlog_to_changelog_fixes)
  38
  39 # When executed from a git checkout, generate the ChangeLog from the git
  40 # history.  When executed from an extracted distribution tarball, just
  41 # copy the distributed ChangeLog in the build directory (and if this
  42 # fails, or if no distributed ChangeLog file is present, complain and
  43 # give an error).
  44 #
  45 # The ChangeLog should be regenerated unconditionally when working from
  46 # checked-out sources; otherwise, if we're working from a distribution
  47 # tarball, we expect the ChangeLog to be distributed, so check that it
  48 # is indeed present in the source directory.
  49 ChangeLog:
  50         $(AM_V_GEN)set -e; set -u; \
  51         if test -d $(srcdir)/.git; then \
  52           rm -f $@-t \
  53             && $(gitlog_to_changelog_command) \
  54                $(gitlog_to_changelog_options) >$@-t \
  55             && chmod a-w $@-t \
  56             && mv -f $@-t $@ \
  57             || exit 1; \
  58         elif test ! -f $(srcdir)/$@; then \
  59           echo "Source tree is not a git checkout, and no pre-existent" \
  60                "$@ file has been found there" >&2; \
  61           exit 1; \
  62         fi
  63 .PHONY: ChangeLog
  64
  65
  66 # --------------------------- #
  67 #  Perl coverage statistics.  #
  68 # --------------------------- #
  69
  70 PERL_COVERAGE_DB = $(abs_top_builddir)/cover_db
  71 PERL_COVERAGE_FLAGS = -MDevel::Cover=-db,$(PERL_COVERAGE_DB),-silent,on,-summary,off
  72 PERL_COVER = cover
  73
  74 check-coverage-run recheck-coverage-run: %-coverage-run: all
  75         $(MKDIR_P) $(PERL_COVERAGE_DB)
  76         PERL5OPT="$$PERL5OPT $(PERL_COVERAGE_FLAGS)"; export PERL5OPT; \
  77         WANT_NO_THREADS=yes; export WANT_NO_THREADS; unset AUTOMAKE_JOBS; \
  78         $(MAKE) $*
  79
  80 check-coverage-report:
  81         @if test ! -d "$(PERL_COVERAGE_DB)"; then \
  82           echo "No coverage database found in '$(PERL_COVERAGE_DB)'." >&2; \
  83           echo "Please run \"make check-coverage\" first" >&2; \
  84           exit 1; \
  85         fi
  86         $(PERL_COVER) $(PERL_COVER_FLAGS) "$(PERL_COVERAGE_DB)"
  87
  88 # We don't use direct dependencies here because we'd like to be able
  89 # to invoke the report even after interrupted check-coverage.
  90 check-coverage: check-coverage-run
  91         $(MAKE) check-coverage-report
  92
  93 recheck-coverage: recheck-coverage-run
  94         $(MAKE) check-coverage-report
  95
  96 clean-coverage:
  97         rm -rf "$(PERL_COVERAGE_DB)"
  98 clean-local: clean-coverage
  99
 100 .PHONY: check-coverage recheck-coverage check-coverage-run \
 101         recheck-coverage-run check-coverage-report clean-coverage
 102
 103
 104 # ---------------------------------------------------- #
 105 #  Tagging and/or uploading stable and beta releases.  #
 106 # ---------------------------------------------------- #
 107
 108 GIT = git
 109
 110 EXTRA_DIST += lib/gnupload
 111
 112 # First component of a version number (mandatory).
 113 rx-0 = ^[1-9][0-9]*
 114 # Later components of a version number (optional).
 115 rx-1 = \.[0-9][0-9]*
 116 # Used in recipes to decide which kind of release we are.
 117 stable_major_version_rx = $(rx-0)\.0$$
 118 stable_minor_version_rx = $(rx-0)$(rx-1)$$
 119 stable_micro_version_rx = $(rx-0)$(rx-1)$(rx-1)$$
 120 beta_version_rx = $(rx-0)($(rx-1)){1,2}[bdfhjlnprtvxz]$$
 121 alpha_version_rx  = $(rx-0)($(rx-1)){1,2}[acegikmoqsuwy]$$
 122 match_version = echo "$(VERSION)" | $(EGREP) >/dev/null
 123
 124 # Check that we don't have uncommitted or unstaged changes.
 125 # TODO: Maybe the git suite already offers a shortcut to verify if the
 126 # TODO: working directory is "clean" or not?  If yes, use that instead
 127 # TODO: of duplicating the logic here.
 128 git_must_have_clean_workdir = \
 129   $(GIT) rev-parse --verify HEAD >/dev/null \
 130     && $(GIT) update-index -q --refresh \
 131     && $(GIT) diff-files --quiet \
 132     && $(GIT) diff-index --quiet --cached HEAD \
 133     || { echo "$@: you have uncommitted or unstaged changes" >&2; exit 1; }
 134
 135 determine_release_type = \
 136   if $(match_version) '$(stable_major_version_rx)'; then \
 137     release_type='Major release'; \
 138     announcement_type='major release'; \
 139     dest=ftp; \
 140   elif $(match_version) '$(stable_minor_version_rx)'; then \
 141     release_type='Minor release'; \
 142     announcement_type='minor release'; \
 143     dest=ftp; \
 144   elif $(match_version) '$(stable_micro_version_rx)'; then \
 145     release_type='Micro release'; \
 146     announcement_type='maintenance release'; \
 147     dest=ftp; \
 148   elif $(match_version) '$(beta_version_rx)'; then \
 149     release_type='Beta release'; \
 150     announcement_type='test release'; \
 151     dest=alpha; \
 152   elif $(match_version) '$(alpha_version_rx)'; then \
 153     echo "$@: improper version '$(VERSION)' for a release" >&2; \
 154     if test -n '$(strip $(DEVEL_SNAPSHOT))'; then \
 155       echo "$@: continuing anyway since DEVEL_SNAPSHOT is set" >&2; \
 156       release_type='Development snapshot'; \
 157       announcement_type='development snapshot'; \
 158       dest=alpha; \
 159     else \
 160       exit 1; \
 161     fi; \
 162   else \
 163     echo "$@: invalid version number '$(VERSION)'" >&2; \
 164     exit 1; \
 165   fi
 166
 167 # Help the debugging of $(determine_release_type) and related code.
 168 print-release-type:
 169         @$(determine_release_type); \
 170          echo "$$release_type $(VERSION);" \
 171               "it will be announced as a \"$$announcement_type\""
 172
 173 git-tag-release: maintainer-check
 174         @set -e -u; \
 175         case '$(AM_TAG_DRYRUN)' in \
 176           ""|[nN]|[nN]o|NO) run="";; \
 177           *) run="echo Running:";; \
 178         esac; \
 179         $(git_must_have_clean_workdir); \
 180         $$run $(GIT) tag -s "v$(VERSION)" -m "$(PACKAGE) $(VERSION)"
 181
 182 git-upload-release:
 183         @# Check this is a version we can cut a release (either test
 184         @# or stable) from.
 185         @$(determine_release_type)
 186         @# The repository must be clean.
 187         @$(git_must_have_clean_workdir)
 188         @# Check that we are releasing from a valid tag.
 189         @tag=`$(GIT) describe` \
 190           && case $$tag in "v$(VERSION)") true;; *) false;; esac \
 191           || { echo "$@: you can only create a release from a tagged" \
 192                     "version" >&2; \
 193                exit 1; }
 194         @# Build the distribution tarball(s).
 195         $(MAKE) dist
 196         @# Upload it to the correct FTP repository.
 197         @$(determine_release_type) \
 198           && dest=$$dest.gnu.org:automake \
 199           && echo "Will upload to $$dest: $(DIST_ARCHIVES)" \
 200           && $(srcdir)/lib/gnupload $(GNUPLOADFLAGS) --to $$dest \
 201                                     $(DIST_ARCHIVES)
 202
 203 .PHONY: print-release-type git-upload-release git-tag-release
 204
 205
 206 # ------------------------------------------------------------------ #
 207 #  Explore differences of autogenerated files in different commits.  #
 208 # ------------------------------------------------------------------ #
 209
 210 # Visually comparing differences between the Makefile.in files in
 211 # automake's own build system as generated in two different branches
 212 # might help to catch bugs and blunders.  This has already happened a
 213 # few times in the past, when we used to version-control Makefile.in.
 214 autodiffs:
 215         @set -u; \
 216          NEW_COMMIT=$${NEW_COMMIT-"HEAD"}; \
 217          OLD_COMMIT=$${OLD_COMMIT-"HEAD~1"}; \
 218          am_gitdir='$(abs_top_srcdir)/.git'; \
 219          get_autofiles_from_rev () \
 220          { \
 221              rev=$$1 dir=$$2 \
 222                && echo "$@: will get files from revision $$rev" \
 223                && $(GIT) clone -q --depth 1 "$$am_gitdir" tmp \
 224                && cd tmp \
 225                && $(GIT) checkout -q "$$rev" \
 226                && echo "$@: bootstrapping $$rev" \
 227                && $(SHELL) ./bootstrap \
 228                && echo "$@: copying files from $$rev" \
 229                && makefile_ins=`find . -name Makefile.in` \
 230                && (tar cf - configure aclocal.m4 $$makefile_ins) | \
 231                   (cd .. && cd "$$dir" && tar xf -) \
 232                && cd .. \
 233                && rm -rf tmp; \
 234          }; \
 235          outdir=$@.dir \
 236            && : Before proceeding, ensure the specified revisions truly exist. \
 237            && $(GIT) --git-dir="$$am_gitdir" describe $$OLD_COMMIT >/dev/null \
 238            && $(GIT) --git-dir="$$am_gitdir" describe $$NEW_COMMIT >/dev/null \
 239            && rm -rf $$outdir \
 240            && mkdir $$outdir \
 241            && cd $$outdir \
 242            && mkdir new old \
 243            && get_autofiles_from_rev $$OLD_COMMIT old \
 244            && get_autofiles_from_rev $$NEW_COMMIT new \
 245            && exit 0
 246
 247 # With lots of eye candy; we like our developers pampered and spoiled :-)
 248 compare-autodiffs: autodiffs
 249         @set -u; \
 250         : $${COLORDIFF=colordiff} $${DIFF=diff}; \
 251         dir=autodiffs.dir; \
 252         if test ! -d "$$dir"; then \
 253           echo "$@: $$dir: Not a directory" >&2; \
 254           exit 1; \
 255         fi; \
 256         mydiff=false mypager=false; \
 257         if test -t 1; then \
 258           if ($$COLORDIFF -r . .) </dev/null >/dev/null 2>&1; then \
 259             mydiff=$$COLORDIFF; \
 260             mypager="less -R"; \
 261           else \
 262             mypager=less; \
 263           fi; \
 264         else \
 265           mypager=cat; \
 266         fi; \
 267         if test "$$mydiff" = false; then \
 268           if ($$DIFF -r -u . .); then \
 269             mydiff=$$DIFF; \
 270           else \
 271             echo "$@: no good-enough diff program specified" >&2; \
 272             exit 1; \
 273           fi; \
 274         fi; \
 275         st=0; $$mydiff -r -u $$dir/old $$dir/new | $$mypager || st=$$?; \
 276         rm -rf $$dir; \
 277         exit $$st
 278 .PHONY: autodiffs compare-autodiffs
 279
 280 # ---------------------------------------------- #
 281 #  Help writing the announcement for a release.  #
 282 # ---------------------------------------------- #
 283
 284 PACKAGE_MAILINGLIST = automake@gnu.org
 285
 286 announcement: DEVEL_SNAPSHOT = yes
 287 announcement: NEWS
 288         $(AM_V_GEN): \
 289           && rm -f $@ $@-t \
 290           && $(determine_release_type) \
 291           && ftp_base="https://$$dest.gnu.org/gnu/$(PACKAGE)" \
 292           && X () { printf '%s\n' "$$*" >> $@-t; } \
 293           && X "We are pleased to announce the $(PACKAGE_NAME) $(VERSION)" \
 294                "$$announcement_type." \
 295           && X \
 296           && X "**TODO** Brief description of the release here." \
 297           && X \
 298           && X "**TODO** This description can span multiple paragraphs." \
 299           && X \
 300           && X "See below for the detailed list of changes since the" \
 301           && X "previous version, as summarized by the NEWS file." \
 302           && X \
 303           && X "Download here:" \
 304           && X \
 305           && X "  $$ftp_base/$(PACKAGE)-$(VERSION).tar.gz" \
 306           && X "  $$ftp_base/$(PACKAGE)-$(VERSION).tar.xz" \
 307           && X \
 308           && X "Please report bugs and problems to" \
 309                "<$(PACKAGE_BUGREPORT)>" \
 310                "(instead of replying to this mail)," \
 311           && X "and send general comments and feedback to" \
 312                "<$(PACKAGE_MAILINGLIST)>," \
 313           && X "and patches to" \
 314                "<automake-patches@gnu.org>." \
 315           && X \
 316           && X "Thanks to everyone who has reported problems, contributed" \
 317           && X "patches, and helped test Automake!" \
 318           && X \
 319           && X "-*-*-*-" \
 320           && X \
 321           && $(AWK) '\
 322                 ($$0 ~ /^New in .*:/) { wait_for_end=1; } \
 323                 (/^~~~/ && wait_for_end) { print; exit(0) } \
 324                 { print } \
 325              ' <$(srcdir)/NEWS >> $@-t \
 326           && mv -f $@-t $@ \
 327           && ls -l ./$@
 328 .PHONY: announcement
 329 CLEANFILES += announcement
 330
 331 # --------------------------------------------------------------------- #
 332 #  Synchronize third-party files that are committed in our repository.  #
 333 # --------------------------------------------------------------------- #
 334
 335 # Git repositories on Savannah.
 336 git-sv-host = git.savannah.gnu.org
 337
 338 # Some repositories we sync files from.
 339 SV_GIT_CF = 'https://$(git-sv-host)/gitweb/?p=config.git;a=blob_plain;hb=HEAD;f='
 340 SV_GIT_GL = 'https://$(git-sv-host)/gitweb/?p=gnulib.git;a=blob_plain;hb=HEAD;f='
 341
 342 # Files that we fetch and which we compare against.
 343 # Note that the 'lib/COPYING' file and help2man must still be synced by hand.
 344 FETCHFILES = \
 345   $(SV_GIT_CF)config.guess \
 346   $(SV_GIT_CF)config.sub \
 347   $(SV_GIT_GL)build-aux/texinfo.tex \
 348   $(SV_GIT_GL)build-aux/gendocs.sh \
 349   $(SV_GIT_GL)build-aux/gitlog-to-changelog \
 350   $(SV_GIT_GL)build-aux/gnupload \
 351   $(SV_GIT_GL)build-aux/update-copyright \
 352   $(SV_GIT_GL)doc/gendocs_template \
 353   $(SV_GIT_GL)doc/INSTALL
 354
 355 # Fetch the latest versions of few scripts and files we care about.
 356 # A retrieval or copying failure usually means serious problems,
 357 # so we'll just bail out if 'wget' or 'cp' fail.
 358 # Update the top-level INSTALL in sync with lib/INSTALL as a special case.
 359 fetch:
 360         $(AM_V_at)rm -rf Fetchdir
 361         $(AM_V_at)mkdir Fetchdir
 362         $(AM_V_GEN)set -e; \
 363         if $(AM_V_P); then wget_opts=; else wget_opts=-nv; fi; \
 364         for url in $(FETCHFILES); do \
 365            file=`printf '%s\n' "$$url" | sed 's|^.*/||; s|^.*=||'`; \
 366            $(WGET) $$wget_opts "$$url" -O Fetchdir/$$file || exit 1; \
 367            if cmp Fetchdir/$$file $(srcdir)/lib/$$file >/dev/null; then \
 368              : Nothing to do; \
 369            else \
 370              echo "$@: updating file $$file"; \
 371              cp Fetchdir/$$file $(srcdir)/lib/$$file || exit 1; \
 372              test "$$file" != INSTALL || cp Fetchdir/$$file ../$$file; \
 373            fi; \
 374         done
 375         $(AM_V_at)rm -rf Fetchdir
 376 .PHONY: fetch
 377
 378 # ---------------------------------------------------------------------- #
 379 #  Generate and upload manuals in several formats, for the GNU website.  #
 380 # ---------------------------------------------------------------------- #
 381
 382 web_manual_dir = doc/web-manual
 383
 384 RSYNC = rsync
 385 CVS = cvs
 386 CVSU = cvsu
 387 CVS_USER = $${USER}
 388 WEBCVS_ROOT = cvs.savannah.gnu.org:/web
 389 CVS_RSH = ssh
 390 export CVS_RSH
 391
 392 .PHONY: web-manual web-manual-update
 393 web-manual web-manual-update: t = $@.dir
 394
 395 MANUAL_VERSION_HTML = \
 396         <p>See the <a href="index-full.html">full version index</a> for the manual for other releases of Automake.</p>
 397 MANUAL_VERSION_HTML_PARENT = \
 398         <p>See the <a href="../index-full.html">full version index</a> for the manual for other releases of Automake.</p>
 399
 400 # Build manual in several formats.  Note to the recipe:
 401 # 1. The symlinking of automake.texi into the temporary directory is
 402 #    required to pacify extra checks from gendocs.sh.
 403 # 2. The redirection to /dev/null before the invocation of gendocs.sh
 404 #    is done to better respect silent rules.
 405 web-manual:
 406         $(AM_V_at)rm -rf $(web_manual_dir) $t
 407         $(AM_V_at)mkdir $t
 408         $(AM_V_at)$(LN_S) '$(abs_srcdir)/doc/$(PACKAGE).texi' '$t/'
 409         $(AM_V_GEN)cd $t \
 410           && GENDOCS_TEMPLATE_DIR='$(abs_srcdir)/lib' \
 411           && export GENDOCS_TEMPLATE_DIR \
 412           && if $(AM_V_P); then :; else exec >/dev/null 2>&1; fi \
 413           && $(SHELL) '$(abs_srcdir)/lib/gendocs.sh' \
 414              -I '$(abs_srcdir)/doc' --email $(PACKAGE_BUGREPORT) \
 415              $(PACKAGE) '$(PACKAGE_NAME)'
 416         $(AM_V_at)mkdir $(web_manual_dir)
 417         $(AM_V_at)mv -f $t/manual/* $(web_manual_dir)
 418         $(AM_V_at)rm -rf $t
 419         @! $(AM_V_P) || ls -l $(web_manual_dir)
 420
 421 # Upload manual to www.gnu.org, using CVS (sigh!)
 422 web-manual-update:
 423         $(AM_V_at)$(determine_release_type); \
 424         case $$release_type in \
 425           [Mm]ajor\ release|[Mm]inor\ release|[Mm]icro\ release);; \
 426           *) echo "Cannot upload manuals from a \"$$release_type\"" >&2; \
 427              exit 1;; \
 428         esac
 429         $(AM_V_at)test -f $(web_manual_dir)/$(PACKAGE).html || { \
 430           echo 'You have to run "$(MAKE) web-manual" before' \
 431                'invoking "$(MAKE) $@"' >&2; \
 432           exit 1; \
 433         }
 434         $(AM_V_at)rm -rf $t
 435         $(AM_V_at)mkdir $t
 436         $(AM_V_at)cd $t \
 437           && $(CVS) -z3 -d :ext:$(CVS_USER)@$(WEBCVS_ROOT)/$(PACKAGE) \
 438                     co -l $(PACKAGE)/manual \
 439           && cd $(PACKAGE)/manual \
 440           && $(CVS) up html_node
 441         @# According to the rsync manpage, "a trailing slash on the
 442         @# source [...] avoids creating an additional directory
 443         @# level at the destination".  So the trailing '/' after
 444         @# '$(web_manual_dir)' below is intended.
 445         $(AM_V_at)$(RSYNC) -avP $(web_manual_dir)/ $t/$(PACKAGE)/manual
 446         $(AM_V_at)sed -i '/This page generated by the/i$(MANUAL_VERSION_HTML)\n' $t/$(PACKAGE)/manual/index.html
 447         $(AM_V_at)$(RSYNC) -avP $(web_manual_dir)/ $t/$(PACKAGE)/manual/$(VERSION)
 448         $(AM_V_at)sed -i '/This page generated by the/i$(MANUAL_VERSION_HTML_PARENT)\n' $t/$(PACKAGE)/manual/$(VERSION)/index.html
 449         $(AM_V_GEN): \
 450           && cd $t/$(PACKAGE)/manual \
 451           && $(CVS) add $(VERSION) $(VERSION)/*/ \
 452           && new_files=`$(CVSU) --types='?'` \
 453           && new_files=`echo "$$new_files" | sed s/^..//` \
 454           && { test -z "$$new_files" || $(CVS) add -ko $$new_files; } \
 455           && $(CVS) ci -m $(VERSION)
 456         $(AM_V_at)rm -rf $t
 457 .PHONY: web-manual-update
 458
 459 clean-web-manual:
 460         $(AM_V_at)rm -rf $(web_manual_dir)
 461 .PHONY: clean-web-manual
 462 clean-local: clean-web-manual
 463
 464 EXTRA_DIST += lib/gendocs.sh lib/gendocs_template
 465
 466 # ------------------------------------------------ #
 467 #  Update copyright years of all committed files.  #
 468 # ------------------------------------------------ #
 469
 470 EXTRA_DIST += lib/update-copyright
 471
 472 update_copyright_env = \
 473   UPDATE_COPYRIGHT_FORCE=1 \
 474   UPDATE_COPYRIGHT_USE_INTERVALS=2
 475
 476 # In addition to the several README files, these as well are
 477 # not expected to have a copyright notice.
 478 files_without_copyright = \
 479   .autom4te.cfg \
 480   .dir-locals.el \
 481   .git-log-fix \
 482   .gitattributes \
 483   .gitignore \
 484   INSTALL \
 485   COPYING \
 486   AUTHORS \
 487   THANKS \
 488   lib/INSTALL \
 489   lib/COPYING
 490
 491 # This script is in the public domain.
 492 files_without_copyright += lib/mkinstalldirs
 493
 494 # This script has an MIT-style license
 495 files_without_copyright += lib/install-sh
 496
 497 # The UPDATE_COPYRIGHT_YEAR environment variable is honoured by the
 498 # 'lib/update-copyright' script.
 499 .PHONY: update-copyright
 500 update-copyright:
 501         $(AM_V_GEN)set -e; \
 502         if test -n "$$UPDATE_COPYRIGHT_YEAR"; then \
 503            current_year=$$UPDATE_COPYRIGHT_YEAR; \
 504         else \
 505           current_year=`date +%Y` && test -n "$$current_year" \
 506             || { echo "$@: cannot get current year" >&2; exit 1; }; \
 507         fi; \
 508         sed -i "/^RELEASE_YEAR=/s/=.*$$/=$$current_year/" \
 509           bootstrap configure.ac; \
 510         excluded_re=`( \
 511           for url in $(FETCHFILES); do echo "$$url"; done \
 512             | sed -e 's!^.*/!!' -e 's!^.*=!!' -e 's!^!lib/!' \
 513           && for f in $(files_without_copyright); do echo $$f; done \
 514         ) | sed -e '$$!s,$$,|,' | tr -d '\012\015'`; \
 515         $(GIT) ls-files \
 516           | grep -Ev '(^|/)README$$' \
 517           | grep -Ev '^PLANS(/|$$)' \
 518           | grep -Ev "^($$excluded_re)$$" \
 519           | $(update_copyright_env) xargs $(srcdir)/lib/$@
 520
 521 # -------------------------------------------------------------- #
 522 #  Run the testsuite with the least supported autoconf version.  #
 523 # -------------------------------------------------------------- #
 524
 525 gnu-ftp = https://ftp.gnu.org/gnu
 526
 527 # Various shorthands: version, name, package name, tarball name,
 528 # tarball location, installation directory.
 529 ac-v = $(required_autoconf_version)
 530 ac-n = autoconf
 531 ac-p = $(ac-n)-$(ac-v)
 532 ac-t = $(ac-p).tar.gz
 533 ac-l = maintainer/$(ac-t)
 534 ac-d = maintainer/$(ac-p)
 535
 536 fetch-minimal-autoconf: o = $(ac-l)
 537 fetch-minimal-autoconf:
 538         $(AM_V_at)$(MKDIR_P) $(dir $o)
 539         $(AM_V_at)rm -f $o $o-t
 540         $(AM_V_GEN)$(WGET) -O $o-t $(gnu-ftp)/$(ac-n)/$(ac-t)
 541         $(AM_V_at)chmod a-w $o-t && mv -f $o-t $o && ls -l $o
 542 .PHONY: fetch-minimal-autoconf
 543
 544 build-minimal-autoconf:
 545         $(AM_V_GEN):; \
 546         test -f $(ac-l) || { \
 547           echo "$@: tarball $(ac-l) seems missing." >&2; \
 548           echo "$@: have you run '$(MAKE) fetch-minimal-autoconf'?" >&2; \
 549           exit 1; \
 550         }; \
 551           set -x \
 552           && $(PERL) $(srcdir)/t/ax/deltree.pl $(ac-d) \
 553           && $(MKDIR_P) $(ac-d) \
 554           && cd $(ac-d) \
 555           && tar xzf '$(CURDIR)/$(ac-l)' \
 556           && mv $(ac-p) src \
 557           && mkdir build \
 558           && cd build \
 559           && env CONFIG_SHELL='$(SHELL)' $(SHELL) ../src/configure \
 560                --prefix='$(CURDIR)/$(ac-d)' CONFIG_SHELL='$(SHELL)' \
 561           && $(MAKE) install
 562         $(AM_V_at)echo ' ======' && $(ac-d)/bin/autoconf --version
 563 .PHONY: build-minimal-autoconf
 564
 565 check-minimal-autoconf:
 566         $(AM_V_at)p='$(ac-d)/bin/autoconf'; \
 567           if test ! -f "$$p" || test ! -x "$$p"; then \
 568             echo "$@: program '$$p' seems missing." >&2; \
 569             echo "$@: have you run '$(MAKE) build-minimal-autoconf'?" >&2; \
 570             exit 1; \
 571           fi
 572         $(AM_V_GEN): \
 573           && PATH='$(CURDIR)/$(ac-d)/bin$(PATH_SEPARATOR)'$$PATH \
 574           && export PATH \
 575           && AUTOCONF=autoconf \
 576           && AUTOHEADER=autoheader \
 577           && AUTORECONF=autoreconf \
 578           && AUTOM4TE=autom4te \
 579           && AUTOUPDATE=autoupdate \
 580           && export AUTOCONF AUTOHEADER AUTORECONF AUTOM4TE AUTOUPDATE \
 581           && echo === check autoconf version '(must be = $(ac-v))' \
 582           && autoconf --version \
 583           && autoconf --version | sed -e 's/^/ /; s/$$/ /' -e 1q \
 584                | $(FGREP) '$(ac-v)' >/dev/null \
 585           && echo === configure \
 586           && $(srcdir)/configure $(shell ./config.status --config) \
 587           && echo === build and test \
 588           && $(MAKE) check
 589 .PHONY: check-minimal-autoconf
 590
 591
 592 # --------------------------------------------------------------- #
 593 #  Testing on real-world packages can help us avoid regressions.  #
 594 # --------------------------------------------------------------- #
 595
 596 #
 597 # NOTE (from Stefano Lattarini):
 598 #
 599 # This section is mostly hacky and ad-hoc, but works for me and
 600 # on my system.  And while far from clean, it should help catching
 601 # real regressions on real world packages, which is important.
 602 # Ideas about how to improve this and make it more generic, portable,
 603 # clean, etc., are welcome.
 604 #
 605
 606 # Tiny sample package.
 607 FEW_PACKAGES += hello
 608 # Smallish package using recursive make setup.
 609 FEW_PACKAGES += make
 610 # Medium-size package using non-recursive make setup.
 611 FEW_PACKAGES += coreutils
 612
 613 ALL_PACKAGES = \
 614   $(FEW_PACKAGES) \
 615   autoconf \
 616   bison \
 617   grep \
 618   tar \
 619   diffutils \
 620   smalltalk
 621
 622 pkg-targets = check dist
 623
 624 # Note: "ttp" stays for "Third Party Package".
 625
 626 ttp-check ttp-check-all: do-clone = $(GIT) clone --verbose
 627 ttp-check: ttp-packages = $(FEW_PACKAGES)
 628 ttp-check-all: ttp-packages = $(ALL_PACKAGES)
 629
 630 # Note: some packages depend on pkg-config, and its provided macros.
 631 ttp-check ttp-check-all: t/pkg-config-macros.log
 632         @set -e; \
 633         $(setup_autotools_paths); \
 634         skip_all_ () \
 635         { \
 636           echo "***" >&2; \
 637           echo "*** $@: WARNING: $$@" >&2; \
 638           echo "*** $@: WARNING: some packages might fail to bootstrap" >&2; \
 639           echo "***" >&2;  \
 640         }; \
 641         . t/pkg-config-macros.dir/get.sh || exit 1; \
 642         mkdir $@.d && cd $@.d || exit 1; \
 643         for p in $(ttp-packages); do \
 644             echo; \
 645             echo ========  BEGIN TTP $$p  =========; \
 646             echo; \
 647             set -x; \
 648             $(do-clone) git://$(git-sv-host)/$$p.git || exit 1; \
 649             ( \
 650               cd $$p \
 651                 && ls -l \
 652                 && if test -f bootstrap; then \
 653                      ./bootstrap --no-git; \
 654                    else \
 655                      $$AUTORECONF -fvi; \
 656                    fi \
 657                 && ./configure \
 658                 && if test $$p = make; then \
 659                      $(MAKE) update; \
 660                    else :; fi \
 661                 && for t in $(pkg-targets); do \
 662                      $(MAKE) $$t WERROR_CFLAGS= || exit 1; \
 663                    done \
 664             ) || exit 1; \
 665             set +x; \
 666             echo; \
 667             echo ========  END TTP $$p  =========; \
 668             echo; \
 669          done
 670 ifndef keep-ttp-dir
 671         rm -rf $@.d
 672 endif
 673
 674 # Alias for lazy typists.
 675 ttp: ttp-check
 676 ttp-all: ttp-check-all
 677
 678 .PHONY: ttp ttp-check ttp-all ttp-check-all