admin/merge-gnulib


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#! /bin/sh
# Merge gnulib sources into Emacs sources.
# Typical usage:
#
#	admin/merge-gnulib

# Copyright 2012 Free Software Foundation, Inc.

# This file is part of GNU Emacs.

# GNU Emacs 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 3 of the License, or
# (at your option) any later version.

# GNU Emacs 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 GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.

# written by Paul Eggert

GNULIB_URL=git://git.savannah.gnu.org/gnulib.git

GNULIB_MODULES='
  alloca-opt
  careadlinkat crypto/md5 crypto/sha1 crypto/sha256 crypto/sha512
  dtoastr dup2
  filemode getloadavg getopt-gnu ignore-value intprops lstat
  manywarnings mktime pthread_sigmask readlink
  socklen stdarg stdio strftime strtoimax strtoumax symlink sys_stat
  warnings
'

GNULIB_TOOL_FLAGS='
  --avoid=msvc-inval --avoid=msvc-nothrow
  --avoid=raise --avoid=threadlib
  --conditional-dependencies --import --no-changelog --no-vc-files
  --makefile-name=gnulib.mk
'

# The source directory, with a trailing '/'.
# If empty, the source directory is the working directory.
src=$2
case $src in
  */ | '') ;;
  *) src=$src/ ;;
esac

# Gnulib's source directory.
gnulib_srcdir=${1-$src../gnulib}

case $gnulib_srcdir in
  -*) src=- ;;
esac
case $src in
  -*)
    echo >&2 "$0: usage: $0 [GNULIB_SRCDIR [SRCDIR]]

    SRCDIR is the Emacs source directory (default: working directory).
    GNULIB_SRCDIR is the Gnulib source directory (default: SRCDIR/../gnulib)."
    exit 1 ;;
esac

test -x "$src"autogen.sh || {
  echo >&2 "$0: '${src:-.}' is not an Emacs source directory."
  exit 1
}

test -d "$gnulib_srcdir" ||
git clone -- "$GNULIB_URL" "$gnulib_srcdir" ||
exit

test -x "$gnulib_srcdir"/gnulib-tool || {
  echo >&2 "$0: '$gnulib_srcdir' is not a Gnulib source directory."
  exit 1
}

cp -- "$src"m4/gl-comp.m4 "$src"m4/gnulib-comp.m4 &&
"$gnulib_srcdir"/gnulib-tool --dir="$src" $GNULIB_TOOL_FLAGS $GNULIB_MODULES &&
rm -- "$src"m4/gnulib-cache.m4 "$src"m4/warn-on-use.m4 &&
mv -- "$src"m4/gnulib-comp.m4 "$src"m4/gl-comp.m4 &&
cp -- "$gnulib_srcdir"/build-aux/texinfo.tex "$src"doc/misc &&
cp -- "$gnulib_srcdir"/build-aux/move-if-change "$src"build-aux &&
autoreconf -i -I m4 -- ${src:+"$src"}