diffutils/bootstrap

#! /bin/sh

# Bootstrap this package from CVS.

# Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.

# Written by Paul Eggert.

package=diffutils

# Ensure file names are sorted consistently across platforms;
# e.g., m4/ulonglong_gl.m4 should follow m4/ulonglong.m4.
# Also, ensure diagnostics are in English, e.g., "wget --help" below.
LC_ALL=C
export LC_ALL

# Parse options.

for option
do
  case $option in
  --help)
    echo "$0: usage: $0 [--gnulib-srcdir=DIR] [--cvs-user=USERNAME] [--skip-po]"
    exit;;
  --gnulib-srcdir=*)
    GNULIB_SRCDIR=`expr "$option" : '--gnulib-srcdir=\(.*\)'`;;
  --cvs-user=*)
    CVS_USER=`expr "$option" : '--cvs-user=\(.*\)'`;;
  --skip-po)
    SKIP_PO=t;;
  *)
    echo >&2 "$0: $option: unknown option"
    exit 1;;
  esac
done

echo "$0: Bootstrapping CVS $package..."

cleanup_gnulib() {
  status=$?
  rm -fr gnulib
  exit $status
}

# Get gnulib files.

case ${GNULIB_SRCDIR--} in
-)
  if [ ! -d gnulib ]; then
    echo "$0: getting gnulib files..."

    case ${CVS_AUTH-pserver} in
    pserver)
      CVS_PREFIX=':pserver:anonymous@';;
    ssh)
      CVS_PREFIX="$CVS_USER${CVS_USER+@}";;
    *)
      echo "$0: $CVS_AUTH: Unknown CVS access method" >&2
      exit 1;;
    esac

    case $CVS_RSH in
    '') export CVS_RSH=ssh;;
    esac

    trap cleanup_gnulib 1 2 13 15

    cvs -z3 -q -d ${CVS_PREFIX}cvs.savannah.gnu.org:/cvsroot/gnulib co gnulib ||
      cleanup_gnulib

    trap - 1 2 13 15
  fi
  GNULIB_SRCDIR=gnulib
esac

<$GNULIB_SRCDIR/gnulib-tool || exit

gnulib_modules='
c-stack
dirname
error
exclude
exit
exitfail
file-type
fnmatch-gnu
getopt
gettext
gettime
hard-locale
inttostr
mkstemp
regex
sh-quote
stat-time
strcase
strftime
strtoumax
unlocked-io
verify
version-etc
version-etc-fsf
xalloc
xstrtoumax
'

previous_gnulib_modules=
while [ "$gnulib_modules" != "$previous_gnulib_modules" ]; do
  previous_gnulib_modules=$gnulib_modules
  gnulib_modules=`
    (echo "$gnulib_modules"
     for gnulib_module in $gnulib_modules; do
       $GNULIB_SRCDIR/gnulib-tool --extract-dependencies $gnulib_module
     done) | sort -u
  `
done

gnulib_files=`
  (for gnulib_module in $gnulib_modules; do
     $GNULIB_SRCDIR/gnulib-tool --extract-filelist $gnulib_module
   done) | sort -u
`'
  doc/fdl.texi
'

gnulib_dirs=`echo "$gnulib_files" | sed 's,/[^/]*$,,' | sort -u`
mkdir -p $gnulib_dirs || exit

for gnulib_file in $gnulib_files; do
  dest=$gnulib_file

  case $gnulib_file in
  m4/onceonly_2_57.m4) dest=m4/onceonly.m4;;
  # These will be overwritten by autopoint, which still uses
  # old jm_.* macro names, so we have to keep both copies.
  # m4/gettext.m4 isn't mentioned here, since it's patched below.
  m4/glibc21.m4 | m4/inttypes_h.m4 | m4/lib-ld.m4 | \
  m4/lib-prefix.m4 | m4/longlong.m4 | \
  m4/po.m4 | m4/stdint_h.m4 | m4/uintmax_t.m4 | \
  m4/ulonglong.m4)
    dest=`expr $gnulib_file : '\(.*\).m4'`_gl.m4;;
  esac

  rm -f $dest &&
  echo "$0: Copying file $GNULIB_SRCDIR/$gnulib_file" &&
  cp -p $GNULIB_SRCDIR/$gnulib_file $dest || exit
done


# Get translations.

case $SKIP_PO in
'')
  case `wget --help` in
  *'--no-cache'*)
    no_cache='--no-cache';;
  *'--cache=on/off'*)
    no_cache='--cache=off';;
  *)
    no_cache='';;
  esac

  echo "$0: getting translations into po (please ignore the robots.txt ERROR 404)..."
  (cd po &&
   rm -f dummy `ls | sed -n '/\.gmo$/p; /\.po/p'` &&
   wget -nv -nd -r -l 1 -A .po $no_cache \
     http://www.iro.umontreal.ca/translation/maint/$package/ &&
   ls *.po | sed 's/\.po$//' >LINGUAS
  ) || exit;;
esac


# Generate autoconf and automake snippets.

(echo '# This file is generated automatically by "bootstrap".' &&
 echo 'AC_DEFUN([GNULIB_AUTOCONF_SNIPPET],[' &&
 $GNULIB_SRCDIR/gnulib-tool --extract-autoconf-snippet $gnulib_modules &&
 echo '])'
) >m4/gnulib.m4 || exit

(echo '# This file is generated automatically by "bootstrap".' &&
 $GNULIB_SRCDIR/gnulib-tool --extract-automake-snippet $gnulib_modules
) >lib/gnulib.mk || exit


# Reconfigure, getting other files.

echo "$0: autoreconf --verbose --install --force ..."
autoreconf --verbose --install --force || exit


# We don't need intl, so remove it.
# Remove aclocal.m4 too, so that it gets rebuilt.
intl_files_to_remove='
  aclocal.m4
  intl
  m4/gettext.m4
  m4/glibc2.m4
  m4/glibc21.m4
  m4/intdiv0.m4
  m4/intmax.m4
  m4/inttypes_h.m4
  m4/inttypes.m4
  m4/inttypes-pri.m4
  m4/isc-posix.m4
  m4/lcmessage.m4
  m4/lib-ld.m4
  m4/lib-prefix.m4
  m4/longdouble.m4
  m4/longlong.m4
  m4/po.m4
  m4/printf-posix.m4
  m4/signed.m4
  m4/size_max.m4
  m4/stdint_h.m4
  m4/uintmax_t.m4
  m4/ulonglong.m4
  m4/wchar_t.m4
  m4/wint_t.m4
  m4/xsize.m4
'
echo $0: rm -fr $intl_files_to_remove ...
rm -fr $intl_files_to_remove || exit

# Put bug-reporting address into po/Makevars.
echo "$0: sed '/^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-bison@gnu.org/' po/Makevars.template >po/Makevars ..."
sed '/^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-bison@gnu.org/' po/Makevars.template >po/Makevars

echo "$0: done.  Now you can run './configure'."