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#! /bin/sh
# Merge pkg-config macros into Emacs sources.
# Typical usage:
#
# admin/merge-pkg-config
# Copyright 2014-2020 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
{
# Maybe ACLOCAL_PATH is already set-up.
oIFS=$IFS
IFS=:
for dir in $ACLOCAL_PATH ''; do
test -n "$dir" && test -r "$dir/pkg.m4" && break
done
IFS=$oIFS
test -n "$dir"
} || {
# Use the pkg.m4 installed where aclocal knows about it.
# Maybe we are running our own aclocal, which doesn't know where
# the standard pkg.m4 is installed, so try running all the
# aclocal programs in our PATH.
oIFS=$IFS
IFS=:
for dir in $PATH ''; do
if test -n "$dir" && test -x "$dir/aclocal"; then
dir=$("$dir/aclocal" --print-ac-dir) && test -r "$dir/pkg.m4" && break
fi
done
IFS=$oIFS
test -n "$dir"
} || {
printf >&2 '%s\n' "$0: cannot find pkg.m4"
exit 1
}
test -d m4 || {
printf >&2 '%s\n' "$0: please run this command in the main source directory"
exit 1
}
printf >&2 '%s\n' "$0: copying $dir/pkg.m4 to m4/pkg.m4"
cp $dir/pkg.m4 m4
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