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#! /bin/sh
# Merge gnulib sources into Emacs sources.
# Typical usage:
#
# admin/merge-gnulib
# Copyright 2012-2021 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 <https://www.gnu.org/licenses/>.
# written by Paul Eggert
GNULIB_URL=git://git.savannah.gnu.org/gnulib.git
GNULIB_MODULES='
alloca-opt binary-io byteswap c-ctype c-strcase
canonicalize-lgpl
careadlinkat close-stream copy-file-range
count-leading-zeros count-one-bits count-trailing-zeros
crypto/md5-buffer crypto/sha1-buffer crypto/sha256-buffer crypto/sha512-buffer
d-type diffseq double-slash-root dtoastr dtotimespec dup2
environ execinfo explicit_bzero faccessat
fchmodat fcntl fcntl-h fdopendir
filemode filename filevercmp flexmember fpieee
free-posix fstatat fsusage fsync futimens
getloadavg getopt-gnu getrandom gettime gettimeofday gitlog-to-changelog
ieee754-h ignore-value intprops largefile libgmp lstat
manywarnings memmem-simple mempcpy memrchr minmax mkostemp mktime nstrftime
pathmax pipe2 pselect pthread_sigmask
qcopy-acl readlink readlinkat regex
sig2str sigdescr_np socklen stat-time std-gnu11 stdalign stddef stdio
stpcpy strnlen strtoimax symlink sys_stat sys_time
tempname time time_r time_rz timegm timer-time timespec-add timespec-sub
update-copyright unlocked-io utimensat
vla warnings
'
AVOIDED_MODULES='
btowc close dup fchdir fstat langinfo lock
malloc-posix mbrtowc mbsinit memchr mkdir msvc-inval msvc-nothrow nl_langinfo
openat-die opendir pthread-h raise
save-cwd select setenv sigprocmask stat stdarg stdbool
threadlib tzset unsetenv utime utime-h
wchar wcrtomb wctype-h
'
GNULIB_TOOL_FLAGS='
--conditional-dependencies --import --no-changelog --no-vc-files
--gnu-make
--makefile-name=gnulib.mk.in
'
# 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
-*)
printf '%s\n' >&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 || {
printf '%s\n' >&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 || {
printf '%s\n' >&2 "$0: '$gnulib_srcdir' is not a Gnulib source directory."
exit 1
}
avoided_flags=
for module in $AVOIDED_MODULES; do
avoided_flags="$avoided_flags --avoid=$module"
done
"$gnulib_srcdir"/gnulib-tool --dir="$src" $GNULIB_TOOL_FLAGS \
$avoided_flags $GNULIB_MODULES &&
rm -- "$src"lib/gl_openssl.h "$src"m4/fcntl-o.m4 \
"$src"m4/gl-openssl.m4 \
"$src"m4/gnulib-cache.m4 "$src"m4/gnulib-tool.m4 \
"$src"m4/manywarnings-c++.m4 \
"$src"m4/warn-on-use.m4 "$src"m4/wint_t.m4 &&
cp -- "$gnulib_srcdir"/build-aux/texinfo.tex "$src"doc/misc &&
cp -- "$gnulib_srcdir"/build-aux/config.guess \
"$gnulib_srcdir"/build-aux/config.sub \
"$gnulib_srcdir"/build-aux/install-sh \
"$gnulib_srcdir"/build-aux/move-if-change \
"$src"build-aux &&
{ test -z "$src" || cd "$src"; } &&
./autogen.sh
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