bootstrap

   1 #! /bin/sh
   2
   3 # bootstrap (GNU M4) version 2008-09-16
   4 # Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
   5 # License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
   6 # This is free software: you are free to change and redistribute it.
   7 # There is NO WARRANTY, to the extent permitted by law.
   8
   9 # Written by Gary V. Vaughan  <gary@gnu.org>
  10
  11 # This file is part of GNU M4.
  12 #
  13 # GNU M4 is free software: you can redistribute it and/or modify
  14 # it under the terms of the GNU General Public License as published by
  15 # the Free Software Foundation, either version 3 of the License, or
  16 # (at your option) any later version.
  17 #
  18 # GNU M4 is distributed in the hope that it will be useful,
  19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 # GNU General Public License for more details.
  22 #
  23 # You should have received a copy of the GNU General Public License
  24 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  25
  26 # Usage: $progname [options]
  27
  28 # -f      --force            bootstrap even when sources are not from git
  29 #         --skip-po          skip downloading pofiles
  30 # -v      --version          print version information
  31 # -h,-?   --help             print short or long help message
  32
  33 # You can also set the following variables to help $progname
  34 # locate the right tools:
  35 #   AUTOPOINT, AUTORECONF, AWK, GNULIB_TOOL, LIBTOOLIZE, M4, RM, SED
  36
  37 # This script bootstraps a git or CVS checkout of GNU M4 by correctly calling
  38 # out to parts of the GNU Build Platform.  Currently this requires GNU
  39 # Gettext 0.16 or better, Autoconf 2.62 or better, GNU M4 1.4.5 or better,
  40 # the latest git Automake 1.10a or better, Libtool 2.2 or better,
  41 # and the latest git or CVS checkout of Gnulib.
  42 # Libtool must be installed; either with the same --prefix as
  43 # automake, or made accessible to aclocal's search path via
  44 # $AUTOMAKE_prefix/share/aclocal/dirlist.
  45
  46 # Report bugs to <bug-m4@gnu.org>
  47
  48 : ${AUTOPOINT=autopoint}
  49 : ${AUTORECONF=autoreconf}
  50 : ${AWK=awk}
  51 : ${GNULIB_TOOL=gnulib-tool}
  52 : ${LIBTOOLIZE=libtoolize}
  53 : ${M4=m4}
  54 : ${RM='rm -f'}
  55 : ${SED=sed}
  56
  57 # Ensure file names are sorted consistently across platforms.
  58 # Also, ensure diagnostics are in English.
  59 LC_ALL=C
  60 export LC_ALL
  61
  62 package=m4
  63 ltdldir=ltdl
  64 config_aux_dir=build-aux
  65 config_macro_dir=$ltdldir/m4
  66 bailout_cb=:
  67
  68 # List dependencies here too; we don't extract them, otherwise dependent
  69 # modules could end up being imported to src/ *and* gnu/!
  70 src_modules='getopt version-etc-fsf version-etc xstrtol'
  71
  72 dirname="s,/[^/]*$,,"
  73 basename="s,^.*/,,g"
  74
  75 # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
  76 # is ksh but when the shell is invoked as "sh" and the current value of
  77 # the _XPG environment variable is not equal to 1 (one), the special
  78 # positional parameter $0, within a function call, is the name of the
  79 # function.
  80 progpath="$0"
  81
  82 # The name of this program:
  83 progname=`echo "$progpath" | $SED "$basename"`
  84 PROGRAM=bootstrap
  85
  86 # Detect whether this is a version control system checkout or a tarball
  87 vcs_only_file=HACKING
  88
  89 # func_echo arg...
  90 # Echo program name prefixed message.
  91 func_echo ()
  92 {
  93     echo $progname: ${1+"$@"}
  94 }
  95
  96 # func_error arg...
  97 # Echo program name prefixed message to standard error.
  98 func_error ()
  99 {
 100     echo $progname: ${1+"$@"} >&2
 101 }
 102
 103 # func_fatal_error arg...
 104 # Echo program name prefixed message to standard error, and exit.
 105 func_fatal_error ()
 106 {
 107     func_error ${1+"$@"}
 108     exit $EXIT_FAILURE
 109 }
 110
 111 # func_verbose arg...
 112 # Echo program name prefixed message in verbose mode only.
 113 func_verbose ()
 114 {
 115     $opt_verbose && func_error ${1+"$@"}
 116 }
 117
 118 # func_missing_arg argname
 119 # Echo program name prefixed message to standard error and set global
 120 # exit_cmd.
 121 func_missing_arg ()
 122 {
 123    func_error "missing argument for $1"
 124    exit_cmd=exit
 125 }
 126
 127 # func_fatal_help arg...
 128 # Echo program name prefixed message to standard error, followed by
 129 # a help hint, and exit.
 130 func_fatal_help ()
 131 {
 132     func_error ${1+"$@"}
 133     func_fatal_error "Try \`$progname --help' for more information."
 134 }
 135
 136 # func_missing_arg argname
 137 # Echo program name prefixed message to standard error and set global
 138 # exit_cmd.
 139 func_missing_arg ()
 140 {
 141    func_error "missing argument for $1"
 142    exit_cmd=exit
 143 }
 144
 145 # func_usage
 146 # Echo short help message to standard output and exit.
 147 func_usage ()
 148 {
 149     $SED '/^# Usage:/,/# -h/ {
 150         s/^# //; s/^# *$//;
 151         s/\$progname/'$progname'/;
 152         p;
 153     }; d' < "$progpath"
 154     echo
 155     echo "run \`$progname --help | more' for full usage"
 156     exit $EXIT_SUCCESS
 157 }
 158
 159 # func_help
 160 # Echo long help message to standard output and exit.
 161 func_help ()
 162 {
 163     $SED '/^# Usage:/,/# Report bugs to/ {
 164         s/^# //; s/^# *$//;
 165         s/\$progname/'$progname'/;
 166         p;
 167      }; d' < "$progpath"
 168     exit $EXIT_SUCCESS
 169 }
 170
 171 # func_version
 172 # Echo version message to standard output and exit.
 173 func_version ()
 174 {
 175     $SED '/^# '$PROGRAM' (GNU /,/# Written by / {
 176         s/^# //;
 177         s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/;
 178         p;
 179      }; d' < "$progpath"
 180      exit $EXIT_SUCCESS
 181 }
 182
 183 # func_update
 184 # Copy $1 to $2 if it is newer.
 185 func_update ()
 186 {
 187   if test -f "$2" && cmp -s "$1" "$2" ; then
 188     func_verbose "$2 is up-to-date"
 189   else
 190     func_echo "copying $1 -> $2"
 191     cp "$1" "$2"
 192   fi
 193 }
 194
 195 # Parse options once, thoroughly.  This comes as soon as possible in
 196 # the script to make things like `bootstrap --version' happen quickly.
 197 {
 198   # sed scripts:
 199   my_sed_single_opt='1s/^\(..\).*$/\1/;q'
 200   my_sed_single_rest='1s/^..\(.*\)$/\1/;q'
 201   my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q'
 202   my_sed_long_arg='1s/^--[^=]*=//'
 203
 204   # this just eases exit handling
 205   while test $# -gt 0; do
 206     opt="$1"
 207     shift
 208     case $opt in
 209       -f|--force)       vcs_only_file=                                  ;;
 210       --skip-po)        SKIP_PO=t                                       ;;
 211       -\?|-h)           func_usage                                      ;;
 212       --help)           func_help                                       ;;
 213       --version)        func_version                                    ;;
 214       --)               break                                           ;;
 215       -*)               func_fatal_help "unrecognized option \`$opt'"   ;;
 216       *)                set -- "$opt" ${1+"$@"};        break           ;;
 217     esac
 218   done
 219
 220   # Bail if the options were screwed
 221   $exit_cmd $EXIT_FAILURE
 222
 223   if test -n "$vcs_only_file" && test ! -r "$vcs_only_file"; then
 224     func_fatal_error \
 225       "Bootstrapping from a non-version-control distribution is risky."
 226   fi
 227 }
 228
 229 ## --------------------------------------- ##
 230 ## Fetch translations.                     ##
 231 ## (taken from gnulib build-aux/bootstrap) ##
 232 ## --------------------------------------- ##
 233
 234 # The command to download all .po files for a specified domain into
 235 # a specified directory.  Fill in the first %s with the domain name,
 236 # the second with the destination directory.  Use rsync's -L and -r
 237 # options because the latest/%s directory and the .po files within
 238 # are all symlinks.
 239 po_download_command_format=\
 240 "rsync -Lrtvz 'translationproject.org::tp/latest/%s/' '%s'"
 241
 242 func_get_translations()
 243 {
 244   subdir=$1
 245   domain=$2
 246
 247   func_echo "getting translations into $subdir for $domain..."
 248   cmd=`printf "$po_download_command_format" "$domain" "$subdir"`
 249   eval "$cmd"
 250 }
 251
 252 ## --------------------------------------- ##
 253 ## Update translations.                    ##
 254 ## (taken from gnulib build-aux/bootstrap) ##
 255 ## --------------------------------------- ##
 256
 257 func_update_po ()
 258 {
 259   # Directory containing primary .po files.
 260   # Overwrite them only when we're sure a .po file is new.
 261   po_dir=po
 262   domain=$package
 263
 264   # Download *.po files into this dir.
 265   # Usually contains *.s1 checksum files.
 266   ref_po_dir="$po_dir/.reference"
 267
 268   test -d $ref_po_dir || mkdir $ref_po_dir || return
 269
 270   func_get_translations $ref_po_dir $domain \
 271     && ls "$ref_po_dir"/*.po 2>/dev/null \
 272        | sed 's|.*/||; s|\.po$||' > "$po_dir/LINGUAS"
 273   langs=`cd $ref_po_dir && echo *.po | sed 's/\.po//g'`
 274
 275   test "$langs" = '*' && langs=x
 276   for po in $langs; do
 277     case $po in x) continue;; esac
 278     new_po="$ref_po_dir/$po.po"
 279     cksum_file="$ref_po_dir/$po.s1"
 280     if ! test -f "$cksum_file" ||
 281         ! test -f "$po_dir/$po.po" ||
 282         ! sha1sum -c --status "$cksum_file" < "$new_po" > /dev/null; then
 283       echo "updated $po_dir/$po.po..."
 284       cp "$new_po" "$po_dir/$po.po" && sha1sum < "$new_po" > "$cksum_file"
 285     fi
 286   done
 287 }
 288
 289 case $SKIP_PO in
 290   '')  func_update_po ;;
 291 esac
 292
 293 ## ---------------- ##
 294 ## Version control. ##
 295 ## ---------------- ##
 296
 297 # gnulib-tool updates ltdl/m4/.{git,cvs}ignore and gnu/.{git,cvs}ignore, and
 298 # keeping generated files under version control does not make sense.  Since
 299 # gnu is entirely ignored, we only need to prepopulate the ltdl/m4 ignore
 300 # files with generated files not tracked by gnulib-tool.
 301 if test -f $config_macro_dir/.gitignore ; then
 302   :
 303 else
 304   func_echo "creating initial $config_macro_dir/.cvsignore"
 305   cat > $config_macro_dir/.cvsignore <<\EOF
 306 # files created by gnulib, but that gnulib doesn't track
 307 *~
 308 .cvsignore
 309 .gitignore
 310 gnulib-comp.m4
 311 # files manually imported, rather than using gnulib-tool
 312 getopt.m4
 313 xstrtol.m4
 314 # files created by autopoint
 315 codeset.m4
 316 gettext.m4
 317 glibc2.m4
 318 glibc21.m4
 319 iconv.m4
 320 intdiv0.m4
 321 intl.m4
 322 intldir.m4
 323 intmax.m4
 324 inttypes-pri.m4
 325 inttypes_h.m4
 326 lcmessage.m4
 327 lib-ld.m4
 328 lib-link.m4
 329 lib-prefix.m4
 330 lock.m4
 331 longdouble.m4
 332 longlong.m4
 333 nls.m4
 334 po.m4
 335 printf-posix.m4
 336 progtest.m4
 337 size_max.m4
 338 stdint_h.m4
 339 uintmax_t.m4
 340 ulonglong.m4
 341 visibility.m4
 342 wchar_t.m4
 343 wint_t.m4
 344 xsize.m4
 345 # files created by libtoolize
 346 argz.m4
 347 libtool.m4
 348 ltdl.m4
 349 ltoptions.m4
 350 ltsugar.m4
 351 ltversion.m4
 352 lt~obsolete.m4
 353 # gnulib-tool edits below here
 354 EOF
 355   func_echo "creating initial $config_macro_dir/.gitignore"
 356   cp $config_macro_dir/.cvsignore $config_macro_dir/.gitignore
 357 fi
 358
 359 # See if we can use gnulib's git-merge-changelog merge driver.
 360 if test -d .git && (git --version) >/dev/null 2>/dev/null ; then
 361   if git config merge.merge-changelog.driver >/dev/null ; then
 362     :
 363   elif (git-merge-changelog --version) >/dev/null 2>/dev/null ; then
 364     func_echo "initializing git-merge-changelog driver"
 365     git config merge.merge-changelog.name 'GNU-style ChangeLog merge driver'
 366     git config merge.merge-changelog.driver 'git-merge-changelog %O %A %B'
 367   else
 368     func_echo "consider installing git-merge-changelog from gnulib"
 369   fi
 370   if git config diff.texinfo.funcname >/dev/null ; then
 371     :
 372   else
 373     func_echo "initializing git texinfo diff driver"
 374     git config diff.texinfo.funcname '^@node[    ][      ]*\\([^,][^,]*\\)'
 375   fi
 376 fi
 377
 378 ## ---------- ##
 379 ## Autopoint. ##
 380 ## ---------- ##
 381
 382 # Released autopoint has the tendency to install macros that have been
 383 # obsoleted in current gnulib, so run this before gnulib-tool.
 384 func_echo "running: $AUTOPOINT --force"
 385 $AUTOPOINT --force
 386
 387 ## ----------- ##
 388 ## Libtoolize. ##
 389 ## ----------- ##
 390
 391 # Autoreconf runs aclocal before libtoolize, which causes spurious
 392 # warnings if the initial aclocal is confused by the libtoolized
 393 # (or worse out-of-date) macro directory.
 394 func_echo "running: $LIBTOOLIZE --force --copy --install"
 395 ${LIBTOOLIZE} --force --copy --install
 396
 397 ## ---------------------------- ##
 398 ## Find the gnulib module tree. ##
 399 ## ---------------------------- ##
 400
 401 case $GNULIB_TOOL in
 402     /*  )  gnulibdir=$GNULIB_TOOL ;;            # absolute
 403     */* )  gnulibdir=`pwd`/$GNULIB_TOOL ;;      # relative
 404     *   )  gnulibdir=`which "$GNULIB_TOOL"` ;;  # PATH search
 405 esac
 406
 407 # Follow symlinks
 408 while test -h "$gnulibdir"; do
 409
 410     # Resolve symbolic link.
 411     sedexpr1='s, -> ,#%%#,'
 412     sedexpr2='s,^.*#%%#\(.*\)$,\1,p'
 413     linkval=`ls -l "$gnulibdir" | $SED "$sedexpr1" | $SED -n "$sedexpr2"`
 414     test -n "$linkval" || break
 415
 416     case "$linkval" in
 417         /* ) gnulibdir="$linkval" ;;
 418         * )  gnulibdir=`echo "$gnulibdir" | sed -e 's,/[^/]*$,,'`/"$linkval" ;;
 419     esac
 420
 421 done
 422
 423 gnulibdir=`echo "$gnulibdir" | $SED "$dirname"`
 424
 425
 426 ## ---------------------- ##
 427 ## Import Gnulib modules. ##
 428 ## ---------------------- ##
 429
 430 func_echo "running: ${GNULIB_TOOL} --update"
 431 ${GNULIB_TOOL} --update
 432
 433
 434 ## --------------------------------- ##
 435 ## Copy additional src only modules. ##
 436 ## --------------------------------- ##
 437
 438 func_echo "fetching modules for src directory"
 439
 440 for file in `${GNULIB_TOOL} --extract-filelist $src_modules`; do
 441
 442     dest=`echo $file | $SED "$basename"`
 443     case $file in
 444         lib/*) dest=src/$dest ;;
 445         m4/*)  dest=$config_macro_dir/$dest ;;
 446         *)     func_echo "Unknown file: $file"
 447                exit 1
 448                ;;
 449     esac
 450
 451     # Be sure to show all copying errors before bailing out
 452     if test -f $gnulibdir/$file; then
 453         func_echo "copying file \`$dest'"
 454         cp $gnulibdir/$file $dest
 455     else
 456         func_error "$gnulibdir/$file does not exist"
 457         bailout_cb="exit 1"
 458     fi
 459 done
 460 $bailout_cb
 461
 462
 463 ## ----------- ##
 464 ## Autoreconf. ##
 465 ## ----------- ##
 466
 467 # Disable autopoint and libtoolize, since they were already done above.
 468 func_echo "running: AUTOPOINT=true LIBTOOLIZE=true " \
 469     "$AUTORECONF --force --verbose --install --no-recursive"
 470 AUTOPOINT=true LIBTOOLIZE=true \
 471   $AUTORECONF --force --verbose --install --no-recursive
 472
 473
 474 ## ---------------------------------------- ##
 475 ## Gnulib is more up-to-date than automake. ##
 476 ## ---------------------------------------- ##
 477
 478 func_update "$gnulibdir"/build-aux/config.guess $config_aux_dir/config.guess
 479 func_update "$gnulibdir"/build-aux/config.sub $config_aux_dir/config.sub
 480 func_update "$gnulibdir"/build-aux/depcomp $config_aux_dir/depcomp
 481 func_update "$gnulibdir"/build-aux/install-sh $config_aux_dir/install-sh
 482 func_update "$gnulibdir"/build-aux/mdate-sh $config_aux_dir/mdate-sh
 483 func_update "$gnulibdir"/build-aux/missing $config_aux_dir/missing
 484 func_update "$gnulibdir"/build-aux/texinfo.tex $config_aux_dir/texinfo.tex
 485 func_update "$gnulibdir"/build-aux/po/Makefile.in.in po/Makefile.in.in
 486 func_update "$gnulibdir"/build-aux/po/remove-potcdate.sin po/remove-potcdate.sin
 487 func_update "$gnulibdir"/doc/COPYINGv3 COPYING
 488 func_update "$gnulibdir"/doc/INSTALL INSTALL
 489
 490
 491 ## ------- ##
 492 ## Wrapup. ##
 493 ## ------- ##
 494
 495 if test x"$SKIP_PO" = x; then
 496   func_echo "If your pofiles are up-to-date, you can rerun bootstrap"
 497   func_echo "as \`$progname --skip-po' to avoid redownloading."
 498 fi
 499
 500 exit 0
 501
 502 # Local variables:
 503 # eval: (add-hook 'write-file-hooks 'time-stamp)
 504 # time-stamp-start: "# bootstrap (GNU M4) version "
 505 # time-stamp-format: "%:y-%02m-%02d"
 506 # time-stamp-end: "$"
 507 # End: