admin/merge-pkg-config

   1 #! /bin/sh
   2 # Merge pkg-config macros into Emacs sources.
   3 # Typical usage:
   4 #
   5 #       admin/merge-pkg-config
   6
   7 # Copyright 2014-2024 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
  56 test -d m4 || {
  57   printf >&2 '%s\n' "$0: please run this command in the main source directory"
  58   exit 1
  59 }
  60
  61 printf >&2 '%s\n' "$0: copying $dir/pkg.m4 to m4/pkg.m4"
  62
  63 cp "$dir"/pkg.m4 m4