bootstrap

   1 #!/bin/sh
   2 # bootstrap a xapian source tree obtained from git to produce a tree like
   3 # you'd get from unpacking the results of "make dist"
   4 #
   5 copyright='
   6 # Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Olly Betts
   7 #
   8 # This program is free software; you can redistribute it and/or
   9 # modify it under the terms of the GNU General Public License as
  10 # published by the Free Software Foundation; either version 2 of the
  11 # License, or (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  21 # USA
  22 '
  23
  24 if [ "$1" = "--help" ] ; then
  25   cat <<__END__
  26 $0 [--ftp] [--without-autotools|--clean] [MODULE...]
  27
  28 The default is to bootstrap all known modules.  Any modules which have a
  29 file called ".nobootstrap" in their top-level will be skipped.
  30 __END__
  31   exit 0
  32 fi
  33
  34 trap 'echo "Bootstrap failed"' EXIT
  35 set -e
  36
  37 # The variables which specify the autotools to use.
  38 autotools="AUTORECONF AUTOCONF AUTOHEADER AUTOM4TE AUTOMAKE ACLOCAL LIBTOOLIZE"
  39
  40 # Tool for downloading a file from a URL (currently wget or curl).
  41 FETCH_URL_TOOL=
  42
  43 check_sha1sum() {
  44   checksum=$1
  45   tarball=$2
  46
  47   if [ -z "$SHA1SUM_TOOL" ] ; then
  48     for SHA1SUM_TOOL in \
  49         '${SHA1SUM-sha1sum} 2>/dev/null|cut -d\  -f1' \
  50         '${SHASUM-shasum} 2>/dev/null|cut -d\  -f1' \
  51         '$(OPENSSL-openssl} sha1 2>/dev/null|sed "s/.* //"' \
  52         '' ; do
  53       if [ -z "$SHA1SUM_TOOL" ] ; then
  54         echo <<'END'
  55 Need sha1sum or shasum or openssl installed to check SHA1 checksums.
  56 Set environment variable SHA1SUM, SHASUM or OPENSSL if the tool isn't on
  57 your PATH.
  58 END
  59         exit 1
  60       fi
  61       r=`:|eval "$SHA1SUM_TOOL"`
  62       [ X"$r" != Xda39a3ee5e6b4b0d3255bfef95601890afd80709 ] || break
  63     done
  64   fi
  65   r=`< $tarball eval "$SHA1SUM_TOOL"`
  66   if [ X"$r" != X"$checksum" ] ; then
  67     echo "$tarball: computed SHA1 checksum did NOT match"
  68     echo "computed: $r with $SHA1SUM_TOOL"
  69     echo "expected: $checksum"
  70     ls -l $tarball
  71     file $tarball || true
  72     mv "$tarball" "$tarball.$r"
  73     echo "Renamed $tarball to $tarball.$r"
  74     exit 1
  75   fi
  76 }
  77
  78 lazy_build() {
  79   package=$1
  80   basename=$package-$2
  81   ext=$3
  82   checksum=$4
  83   if [ "$ext" = "tar.xz" ] ; then
  84     if [ -z "$xz_ok" ] ; then
  85       if ${XZ-xz} --version > /dev/null 2>&1 ; then
  86         xz_ok=1
  87       else
  88         xz_ok=0
  89       fi
  90     fi
  91     if [ "$xz_ok" = 0 ] ; then
  92       shift 2
  93       ext=$3
  94       checksum=$4
  95     fi
  96   fi
  97   if [ "$ext" = "tar.bz2" ] ; then
  98     if [ -z "$bz2_ok" ] ; then
  99       # bzip2 --version doesn't exit with code 0 in upstream version (though
 100       # Debian at least patch this bug), so use --help to check it.
 101       if bzip2 --help > /dev/null 2>&1 ; then
 102         bz2_ok=1
 103       else
 104         bz2_ok=0
 105       fi
 106     fi
 107     if [ "$bz2_ok" = 0 ] ; then
 108       shift 2
 109       ext=$3
 110       checksum=$4
 111     fi
 112   fi
 113   tarball=$basename.$ext
 114   case $basename in
 115     *[24680][a-z]) basename=`echo "$basename"|sed 's/[a-z]$//'` ;;
 116   esac
 117
 118   # Create the stamp file in INST so that rerunning bootstrap after
 119   # "rm -rf INST" recovers nicely.
 120   stamp=../INST/$package.stamp
 121
 122   # Download the tarball if required.
 123   if [ ! -f "$tarball" ] ; then
 124     if [ -z "$FETCH_URL_TOOL" ] ; then
 125       if ${WGET-wget} --version > /dev/null 2>&1 ; then
 126         FETCH_URL_TOOL="${WGET-wget} -O-"
 127       elif ${CURL-curl} --version > /dev/null 2>&1 || [ "$?" = 2 ] ; then
 128         # curl --version exits with code 2.
 129         # -L is needed to follow HTTP redirects.
 130         FETCH_URL_TOOL="${CURL-curl} -L"
 131       elif ${LWP_REQUEST-lwp-request} -v > /dev/null 2>&1 || [ "$?" = 9 -o "$?" = 255 ] ; then
 132         # lwp-request -v exits with code 9 (5.810) or 255 (6.03)
 133         FETCH_URL_TOOL="${LWP_REQUEST-lwp-request} -mGET"
 134       else
 135         cat <<END >&2
 136 Neither wget nor curl nor lwp-request found - install one of them or if already
 137 installed, set WGET, CURL or LWP_REQUEST to the full path.  Alternatively,
 138 download $url
 139 to directory `pwd`
 140 then rerun this script.
 141 END
 142         exit 1
 143       fi
 144     fi
 145     case $basename in
 146     file-*)
 147       if [ "$use_ftp" = yes ] ; then
 148         url="ftp://ftp.astron.com/pub/file/$tarball"
 149       else
 150         url="http://fossies.org/unix/misc/$tarball"
 151       fi ;;
 152     *[13579][a-z])
 153       # GNU alpha release
 154       if [ "$use_ftp" = yes ] ; then
 155         url="ftp://alpha.gnu.org/gnu/$package/$tarball"
 156       else
 157         url="http://alpha.gnu.org/gnu/$package/$tarball"
 158       fi ;;
 159     *)
 160       if [ "$use_ftp" = yes ] ; then
 161         url="ftp://ftp.gnu.org/gnu/$package/$tarball"
 162       else
 163         url="http://ftpmirror.gnu.org/$package/$tarball"
 164       fi ;;
 165     esac
 166     rm -f download.tmp
 167     echo "Downloading <$url>"
 168     $FETCH_URL_TOOL "$url" > download.tmp && mv download.tmp "$tarball"
 169   fi
 170
 171   if [ -f "$stamp" ] ; then
 172     find_stdout=`find "$tarball" ../patches/"$package"/* -newer "$stamp" -print 2> /dev/null||true`
 173   else
 174     find_stdout=force
 175   fi
 176
 177   if [ -n "$find_stdout" ] ; then
 178     # Verify the tarball's checksum before building it.
 179     check_sha1sum "$checksum" "$tarball"
 180
 181     # Remove tarballs of other versions.
 182     for f in "$package"-* ; do
 183       [ "$f" = "$tarball" ] || rm -rf "$f"
 184     done
 185
 186     case $ext in
 187     tar.xz)
 188       ${XZ-xz} -dc "$tarball"| tar xf - ;;
 189     tar.bz2)
 190       bzip2 -dc "$tarball"| tar xf - ;;
 191     *)
 192       gzip -dc "$tarball"| tar xf - ;;
 193     esac
 194
 195     cd "$basename"
 196
 197     if [ ! -f "../../patches/$package/series" ] ; then
 198       cat <<END >&2
 199 No patch series file 'patches/$package/series' - if there are no patches,
 200 this should just be an empty file.
 201 END
 202       exit 1
 203     fi
 204     echo "Applying patches from $package/series"
 205     sed -n 's/[  ]*\(#.*\)\?$//;/./p' "../../patches/$package/series" | \
 206         while read p ; do
 207       echo "Applying patch $package/$p"
 208       patch -p1 < "../../patches/$package/$p"
 209     done
 210
 211     if test -n "$AUTOCONF" ; then
 212       ./configure --prefix "$instdir" AUTOCONF="$AUTOCONF"
 213     else
 214       ./configure --prefix "$instdir"
 215     fi
 216     make
 217     make install
 218     cd ..
 219     rm -rf "$basename"
 220
 221     touch "$stamp"
 222   fi
 223 }
 224
 225 handle_git_external() {
 226   path=$1
 227   if [ ! -f "$path/.nobootstrap" ] ; then
 228     rev=$2
 229     url=$3
 230     if [ ! -d "$path" ] ; then
 231       git clone --no-checkout -- "$url" "$path"
 232     elif (cd "$path" && git reflog "$rev" -- 2>/dev/null) ; then
 233       : # Already have that revision locally
 234     else
 235       (cd "$path" && git fetch)
 236     fi
 237     (cd "$path" && git checkout "$rev")
 238   fi
 239 }
 240
 241 update_config() {
 242   from=$1
 243   to=$2
 244   ts_from=`perl -ne '/^timestamp=(\W?)([-\d]+)$1/ and do {$_=$2;y/-//d;print;exit}' "$from"`
 245   ts_to=`perl -ne '/^timestamp=(\W?)([-\d]+)$1/ and do {$_=$2;y/-//d;print;exit}' "$to"`
 246   if [ "$ts_from" -gt "$ts_to" ] ; then
 247      echo "Updating $to ($ts_to) with $from ($ts_from)"
 248      # rm first in case the existing file is a symlink.
 249      rm -f "$to"
 250      cp "$from" "$to"
 251   fi
 252 }
 253
 254 curdir=`pwd`
 255
 256 # cd to srcdir if we aren't already there.
 257 srcdir=`echo "$0"|sed 's!/*[^/]*$!!'`
 258 case $srcdir in
 259   ""|.)
 260     srcdir=. ;;
 261   *)
 262     cd "$srcdir" ;;
 263 esac
 264
 265 # Commit hash to pass to handle_git_external for swig.
 266 swig_git_commit_hash=bab51398053188a136effd155d7ed8f5d441908e
 267
 268 # Commit hashes to use for common in omega and letor respectively:
 269 omega_common_commit_hash=bddcf54435286b0363efff94f22529093e85fc89
 270 letor_common_commit_hash=bddcf54435286b0363efff94f22529093e85fc89
 271
 272 if [ ! -d .git ] ; then
 273   echo "$0: No '.git' directory found - this script should be run from a"
 274   echo "git repo cloned from git://git.xapian.org/xapian or a mirror of it"
 275   exit 1
 276 fi
 277
 278 for emptydir in xapian-applications/omega/m4 xapian-bindings/m4 xapian-letor/m4 ; do
 279   if test -d "$emptydir" ; then
 280     :
 281   else
 282     parent=`echo "$emptydir"|sed 's,/[^/]*$,,'`
 283     if test -d "$parent" ; then
 284       mkdir "$emptydir"
 285     fi
 286   fi
 287 done
 288
 289 if [ -f .git/info/exclude ] ; then
 290   sed '/^\(swig\|xapian-applications\/omega\/common$\)/d' .git/info/exclude > .git/info/exclude~
 291 else
 292   [ -d .git/info ] || mkdir .git/info
 293 fi
 294 cat <<END >> .git/info/exclude~
 295 swig
 296 xapian-applications/omega/common
 297 xapian-letor/common
 298 END
 299 if [ -f .git/info/exclude ] &&
 300    cmp -s .git/info/exclude~ .git/info/exclude ; then
 301   rm .git/info/exclude~
 302 else
 303   mv .git/info/exclude~ .git/info/exclude
 304 fi
 305
 306 # If this tree is checked out from the github mirror, use the same access
 307 # method for other things checked out from github (e.g. swig) so we avoid
 308 # firewall issues.  If there's no default remote, the git config command
 309 # will exit with status 1, so ignore that failure.
 310 origin_url=`git config remote.origin.url||:`
 311 case $origin_url in
 312   *[@/]github.com[:/]*)
 313     github_base_url=`echo "X$origin_url"|sed 's/^X//;s!\([@/]github.com[:/]\).*!\1!'` ;;
 314   *)
 315     github_base_url=https://github.com/ ;;
 316 esac
 317 swig_origin_url=${github_base_url}swig/swig.git
 318
 319 if [ -z "$XAPIAN_COMMON_CLONE_URL" ] ; then
 320     xapian_common_clone_url=.
 321 else
 322     xapian_common_clone_url=$XAPIAN_COMMON_CLONE_URL
 323 fi
 324
 325 # Prefer http downloads as they are more likely to work through firewalls.
 326 use_ftp=no
 327 if [ "$1" = "--ftp" ] ; then
 328   shift
 329   use_ftp=yes
 330 fi
 331
 332 if [ "$1" = "--without-autotools" ] ; then
 333   shift
 334 else
 335   if [ "$1" = "--clean" ] ; then
 336     shift
 337     rm -rf INST
 338   fi
 339
 340   [ -d INST ] || mkdir INST
 341   instdir=`pwd`/INST
 342
 343   [ -d BUILD ] || mkdir BUILD
 344   cd BUILD
 345
 346   # The last field is the SHA1 checksum of the tarball.
 347   lazy_build autoconf 2.69 \
 348     tar.xz e891c3193029775e83e0534ac0ee0c4c711f6d23 \
 349     tar.gz 562471cbcb0dd0fa42a76665acf0dbb68479b78a
 350   AUTOCONF=$instdir/bin/autoconf \
 351   lazy_build automake 1.15 \
 352     tar.xz c279b35ca6c410809dac8ade143b805fb48b7655 \
 353     tar.gz b5a840c7ec4321e78fdc9472e476263fa6614ca1
 354   lazy_build libtool 2.4.6 \
 355     tar.xz 3e7504b832eb2dd23170c91b6af72e15b56eb94e \
 356     tar.gz 25b6931265230a06f0fc2146df64c04e5ae6ec33
 357   if [ "$1" = "--deps=libmagic" ] ; then
 358       shift
 359       lazy_build file 5.25 \
 360         tar.gz fea78106dd0b7a09a61714cdbe545135563e84bd
 361   fi
 362
 363   for v in $autotools ; do
 364      tool=`echo "$v"|tr A-Z a-z`
 365      eval "$v=\"\$instdir\"/bin/$tool;export $v"
 366   done
 367
 368   cd ..
 369 fi
 370
 371 case `${LIBTOOLIZE-libtoolize} --version` in
 372 "")
 373   echo "${LIBTOOLIZE-libtoolize} not found"
 374   exit 1 ;;
 375 "libtoolize (GNU libtool) 1.4.*")
 376   echo "${LIBTOOLIZE-libtoolize} is from libtool 1.4 which is too old - libtool 2.2 is required."
 377   echo "If you have both installed, set LIBTOOLIZE to point to the correct version."
 378   exit 1 ;;
 379 "libtoolize (GNU libtool) 1.5.*")
 380   echo "${LIBTOOLIZE-libtoolize} is from libtool 1.5 which is too old - libtool 2.2 is required."
 381   echo "If you have both installed, set LIBTOOLIZE to point to the correct version."
 382   exit 1 ;;
 383 esac
 384
 385 ACLOCAL="${ACLOCAL-aclocal} -I `pwd`/xapian-core/m4-macros"
 386 export ACLOCAL
 387
 388 intree_swig=no
 389 modules=
 390 for module in ${@:-xapian-core xapian-applications/omega swig xapian-bindings xapian-letor} ; do
 391   d=$module
 392   if [ "$d" = swig ] ; then
 393     if [ -f "xapian-bindings/.nobootstrap" ] ; then
 394       # No point bootstrapping SWIG if we aren't going to use it.
 395       echo "Skipping '$d' due to presence of 'xapian-bindings/.nobootstrap'."
 396       continue
 397     fi
 398     handle_git_external swig "$swig_git_commit_hash" "$swig_origin_url"
 399   fi
 400   if [ -f "$d/configure.ac" -o -f "$d/configure.in" ] ; then
 401     :
 402   else
 403     # Skip any directories we can't bootstrap.
 404     continue
 405   fi
 406   if [ -f "$d/.nobootstrap" ] ; then
 407     # Report why to save head scratching when someone forgets they created
 408     # a .nobootstrap file.
 409     echo "Skipping '$module' due to presence of '$d/.nobootstrap'."
 410     continue
 411   fi
 412   case $d in
 413   xapian-applications/omega|xapian-letor)
 414     # If someone's created a directory for common, leave it be.
 415     if [ -h "$d/common" ] || [ ! -d "$d/common" ] ; then
 416       # Pick omega_common_commit_hash or letor_common_commit_hash:
 417       var=`echo "$d"|sed 's!.*[-/]!!g'`_common_commit_hash
 418       hash=`eval echo \\\$"$var"`
 419       handle_git_external "$d/.common.git" "$hash" "$xapian_common_clone_url"
 420       ln -sf .common.git/xapian-core/common "$d/common"
 421     fi
 422     ;;
 423   esac
 424
 425   echo "Bootstrapping \`$module'"
 426   [ -f "$d/preautoreconf" ] && "$d/preautoreconf"
 427
 428   # If we have a custom INSTALL file, preserve it since autoreconf insists on
 429   # replacing INSTALL with "generic installation instructions" when --force
 430   # is used.  Be careful to replace it if autoreconf fails.
 431   if [ -f "$d/INSTALL" ] ; then
 432     if grep 'generic installation instructions' "$d/INSTALL" >/dev/null 2>&1 ; then
 433       :
 434     else
 435       mv -f "$d/INSTALL" "$d/INSTALL.preserved-by-bootstrap"
 436     fi
 437   fi
 438
 439   autoreconf_rc=
 440   if [ swig = "$module" ] ; then
 441     # SWIG provides its own bootstrapping script.
 442     curdir=`pwd`
 443     cd "$d"
 444     ./autogen.sh || autoreconf_rc=$?
 445     cd "$curdir"
 446     # Use the uninstalled wrapper for the in-tree copy of SWIG.
 447     intree_swig=yes
 448   else
 449     # Use --install as debian's autoconf wrapper uses 2.5X if it sees it
 450     # (but it doesn't check for -i).
 451     #
 452     # Use --force so that we update files if autoconf, automake, or libtool
 453     # has been upgraded.
 454     ${AUTORECONF-autoreconf} --install --force "$d" || autoreconf_rc=$?
 455   fi
 456   if [ -f "$d/INSTALL.preserved-by-bootstrap" ] ; then
 457     mv -f "$d/INSTALL.preserved-by-bootstrap" "$d/INSTALL"
 458   fi
 459   if [ -n "$autoreconf_rc" ] ; then
 460     exit $autoreconf_rc
 461   fi
 462   for f in config.guess config.sub ; do
 463     if [ -f "$d/$f" ] ; then
 464       update_config "config/$f" "$d/$f"
 465     fi
 466   done
 467   modules="$modules $module"
 468 done
 469
 470 # Produce an absolute path to srcdir.
 471 srcdir_abs=`pwd`
 472
 473 # Generate the top-level configure script.
 474 rm -f configure.tmp
 475 cat <<TOP_OF_CONFIGURE > configure.tmp
 476 #!/bin/sh
 477 # configure each submodule in a xapian source tree
 478 # Generated by Xapian top-level bootstrap script.
 479 #$copyright
 480 trap 'echo "configure failed"' EXIT
 481 set -e
 482
 483 srcdir="$srcdir_abs"
 484 modules="$modules"
 485
 486 TOP_OF_CONFIGURE
 487
 488 cat <<'MIDDLE_OF_CONFIGURE' >> configure.tmp
 489 # Produced escaped version of command suitable for pasting back into sh
 490 cmd=$0
 491 for a ; do
 492  case $a in
 493   *[^-A-Za-z0-9_+=:@/.,]*)
 494    esc_a=`echo "$a"|sed 's!\([^-A-Za-z0-9_+=:@/.,]\)!\\\\\\1!g'`
 495    cmd="$cmd $esc_a" ;;
 496   *)
 497    cmd="$cmd $a" ;;
 498  esac
 499 done
 500
 501 here=`pwd`
 502 MIDDLE_OF_CONFIGURE
 503
 504 vars=
 505 if [ yes = "$intree_swig" ] ; then
 506   # We want the path to SWIG to point into srcdir, which isn't known until
 507   # configure-time, so we need to expand $here in configure.  We can't just set
 508   # SWIG here and let the case below handle it as that would escape the value
 509   # such that $here didn't get expanded at all.
 510   echo ': ${SWIG="$here/swig/preinst-swig"}' >> configure.tmp
 511   echo "export SWIG" >> configure.tmp
 512   vars=' SWIG=$here/swig/preinst-swig'
 513   # Kill any existing setting of SWIG so that we don't try to handle it again
 514   # below.
 515   SWIG=
 516 fi
 517 for tool in SWIG $autotools ; do
 518   eval "val=\$$tool"
 519   if [ -n "$val" ] ; then
 520     echo ': ${'"$tool='$val'"'}' >> configure.tmp
 521     echo "export $tool" >> configure.tmp
 522     vars="$vars $tool='"`echo "$val"|sed 's/\(['"\\'"']\)/\\\1/g'`"'"
 523   fi
 524 done
 525 if [ -n "$vars" ] ; then
 526   # $vars will always have a leading space.
 527   echo "set$vars "'"$@"' >> configure.tmp
 528 fi
 529
 530 cat <<'END_OF_CONFIGURE' >> configure.tmp
 531 dirs=
 532 revdirs=
 533 XAPIAN_CONFIG=$here/xapian-core/xapian-config
 534 for d in $modules ; do
 535   if [ "$here" = "$srcdir" ] ; then
 536     configure=./configure
 537     configure_from_here=$d/configure
 538   else
 539     configure=$srcdir/$d/configure
 540     configure_from_here=$configure
 541   fi
 542   if [ -f "$configure_from_here" ] ; then
 543     if [ -d "$d" ] ; then : ; else
 544       case $d in
 545       xapian-applications/*) [ -d xapian-applications ] || mkdir xapian-applications ;;
 546       esac
 547       mkdir "$d"
 548     fi
 549     echo "Configuring \`$d'"
 550     # Use a shared config.cache for speed and to save a bit of diskspace, but
 551     # don't share it with SWIG just in case it manages to probe and cache
 552     # different answers (e.g. because it uses a C compiler).
 553     case $d in
 554     swig)
 555       cd "$d" && "$configure" ${1+"$@"}
 556       ;;
 557     xapian-core)
 558       cd "$d" && "$configure" --enable-maintainer-mode --disable-option-checking --cache-file="$here/config.cache" ${1+"$@"}
 559       ;;
 560     xapian-applications/omega)
 561       cd "$d" && "$configure" --enable-maintainer-mode --disable-option-checking XAPIAN_CONFIG="$XAPIAN_CONFIG" CPPFLAGS="-I$srcdir/INST/include" LDFLAGS="-L$srcdir/INST/lib" ${1+"$@"}
 562       ;;
 563     *)
 564       cd "$d" && "$configure" --enable-maintainer-mode --disable-option-checking --cache-file="$here/config.cache" XAPIAN_CONFIG="$XAPIAN_CONFIG" ${1+"$@"}
 565       ;;
 566     esac
 567     cd "$here"
 568     dirs="$dirs $d"
 569     revdirs="$d $revdirs"
 570   fi
 571 done
 572
 573 case " $* " in
 574   *" --help "*|*" --version "*)
 575     # Don't generate Makefile if --help or --version specified.
 576     trap - EXIT
 577     exit 0
 578     ;;
 579 esac
 580
 581 rm -f Makefile.tmp
 582 cat <<EOF > Makefile.tmp
 583 # Makefile generated by:
 584 CONFIGURE_COMMAND := $cmd
 585 EOF
 586 if [ "$srcdir" != . ] ; then
 587     cat <<EOF >> Makefile.tmp
 588
 589 VPATH = $srcdir
 590 EOF
 591 fi
 592 targets='all install uninstall install-strip clean distclean mostlyclean maintainer-clean dist check distcheck'
 593 for target in $targets ; do
 594   echo
 595   echo "$target:"
 596   case $target in
 597     uninstall|*clean)
 598       # When uninstalling or cleaning, process directories in reverse order, so
 599       # that we process a directory after any directories which might use it.
 600       list=$revdirs ;;
 601     *)
 602       list=$dirs ;;
 603   esac
 604   for d in $list ; do
 605     case $d,$target in
 606     swig,install*|swig,uninstall)
 607       # Nothing to do with swig when installing/uninstalling.
 608       ;;
 609     swig,dist|swig,check|swig,distcheck|swig,all)
 610       # Need to ensure swig is built before "make dist", "make check", etc.
 611       echo "    cd $d && \$(MAKE)" ;;
 612     swig,mostlyclean)
 613       echo "    cd $d && \$(MAKE) clean" ;;
 614     xapian-bindings,distcheck)
 615       # FIXME: distcheck doesn't currently work for xapian-bindings because
 616       # xapian-core isn't installed.
 617       echo "    cd $d && \$(MAKE) check && \$(MAKE) dist" ;;
 618     *)
 619       echo "    cd $d && \$(MAKE) $target" ;;
 620     esac
 621   done
 622   case $target in
 623     distclean|maintainer-clean) echo "  rm -f Makefile config.cache" ;;
 624   esac
 625 done >> Makefile.tmp
 626 cat <<EOF >> Makefile.tmp
 627
 628 recheck:
 629         \$(CONFIGURE_COMMAND)
 630
 631 Makefile: $srcdir/configure
 632         \$(CONFIGURE_COMMAND)
 633
 634 $srcdir/configure: \\
 635 END_OF_CONFIGURE
 636
 637 : > configure.tmp2
 638
 639 # We want to rerun bootstrap if a series file changes (patch added or removed)
 640 # or an existing patch changes.  Since we always have an series file (even if
 641 # it is empty), this also handles us adding the first patch for something.
 642 patches=
 643 for d in patches/* ; do
 644   series=$d/series
 645   echo "$series:" >> configure.tmp2
 646   cat << END
 647     $series\\\\
 648 END
 649   sed -n 's/[    ]*\(#.*\)\?$//;/./p' "$series" |\
 650       while read p ; do
 651     patch=$d/$p
 652     cat << END
 653     $patch\\\\
 654 END
 655     # Because there's a pipeline, this is a subshell, so use a temporary file
 656     # rather than a variable to compile a list of patches to use below.
 657     echo "$patch:" >> configure.tmp2
 658   done
 659 done >> configure.tmp
 660
 661 cat <<'END_OF_CONFIGURE' >> configure.tmp
 662     $srcdir/bootstrap
 663         $srcdir/bootstrap
 664
 665 .PHONY: $targets recheck
 666
 667 # Dummy dependencies to allow removing patches we no longer need.
 668 END_OF_CONFIGURE
 669
 670 cat configure.tmp2 >> configure.tmp
 671
 672 cat <<'END_OF_CONFIGURE' >> configure.tmp
 673 EOF
 674 mv -f Makefile.tmp Makefile
 675 trap - EXIT
 676 echo "Configured successfully - now run \"${MAKE-make}\""
 677 END_OF_CONFIGURE
 678
 679 rm -f configure.tmp2
 680
 681 chmod +x configure.tmp
 682 mv -f configure.tmp configure
 683
 684 # git defaults to showing 7 character abbreviated hashes if that's enough to be
 685 # unique for a particular commit.  But you can't paste these into trac as it
 686 # needs at least 8 hex digits to recognise a hex string as a commit hash.  You
 687 # need 9 characters to be unique across all of Xapian at the time of writing,
 688 # and 12 for the Linux kernel currently (a much larger number of objects than
 689 # Xapian).  12 is a manageable length and decently future-proof, so let's use
 690 # that.
 691 core_abbrev_recommended=12
 692 core_abbrev=`git config --get core.abbrev||:`
 693 if [ -z "$core_abbrev" ] ; then
 694   echo "*** Setting core.abbrev=$core_abbrev_recommended in repo config"
 695   git config --local core.abbrev "$core_abbrev_recommended"
 696 elif [ "$core_abbrev" -lt "$core_abbrev_recommended" ] ; then
 697   if [ -z "`git config --local core.abbrev`" ] ; then
 698     # Set globally to < $core_abbrev_recommended, override in this repo.
 699     echo "*** Setting core.abbrev=$core_abbrev_recommended in repo config to override global core.abbrev=$core_abbrev"
 700     git config --local core.abbrev "$core_abbrev_recommended"
 701   else
 702     # Just warn.
 703     echo "warning: core.abbrev=$core_abbrev set on this repo, at least $core_abbrev_recommended is recommended"
 704   fi
 705 fi
 706
 707 trap - EXIT
 708 echo "Bootstrapped successfully - now run \"$srcdir/configure\" and \"${MAKE-make}\""