1#! /bin/sh 2# Merge pkg-config macros into Emacs sources. 3# Typical usage: 4# 5# admin/merge-pkg-config 6 7# Copyright 2014-2021 Free Software Foundation, Inc. 8 9# This file is part of GNU Emacs. 10 11# GNU Emacs is free software: you can redistribute it and/or modify 12# it under the terms of the GNU General Public License as published by 13# the Free Software Foundation, either version 3 of the License, or 14# (at your option) any later version. 15 16# GNU Emacs is distributed in the hope that it will be useful, 17# but WITHOUT ANY WARRANTY; without even the implied warranty of 18# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19# GNU General Public License for more details. 20 21# You should have received a copy of the GNU General Public License 22# along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. 23 24# written by Paul Eggert 25 26{ 27 # Maybe ACLOCAL_PATH is already set-up. 28 oIFS=$IFS 29 IFS=: 30 for dir in $ACLOCAL_PATH ''; do 31 test -n "$dir" && test -r "$dir/pkg.m4" && break 32 done 33 IFS=$oIFS 34 35 test -n "$dir" 36} || { 37 # Use the pkg.m4 installed where aclocal knows about it. 38 # Maybe we are running our own aclocal, which doesn't know where 39 # the standard pkg.m4 is installed, so try running all the 40 # aclocal programs in our PATH. 41 oIFS=$IFS 42 IFS=: 43 for dir in $PATH ''; do 44 if test -n "$dir" && test -x "$dir/aclocal"; then 45 dir=$("$dir/aclocal" --print-ac-dir) && test -r "$dir/pkg.m4" && break 46 fi 47 done 48 IFS=$oIFS 49 50 test -n "$dir" 51} || { 52 printf >&2 '%s\n' "$0: cannot find pkg.m4" 53 exit 1 54} 55 56test -d m4 || { 57 printf >&2 '%s\n' "$0: please run this command in the main source directory" 58 exit 1 59} 60 61printf >&2 '%s\n' "$0: copying $dir/pkg.m4 to m4/pkg.m4" 62 63cp $dir/pkg.m4 m4 64