1f3b0ac34SDag-Erling Smørgrav# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- 2f3b0ac34SDag-Erling Smørgrav# 3*3ba4c8c8SDag-Erling Smørgrav# Copyright (C) 2004-2005, 2007, 2009, 2011-2019, 2021-2022 Free 4*3ba4c8c8SDag-Erling Smørgrav# Software Foundation, Inc. 5f3b0ac34SDag-Erling Smørgrav# Written by Scott James Remnant, 2004. 6f3b0ac34SDag-Erling Smørgrav# 7f3b0ac34SDag-Erling Smørgrav# This file is free software; the Free Software Foundation gives 8f3b0ac34SDag-Erling Smørgrav# unlimited permission to copy and/or distribute it, with or without 9f3b0ac34SDag-Erling Smørgrav# modifications, as long as this notice is preserved. 10f3b0ac34SDag-Erling Smørgrav 11f3b0ac34SDag-Erling Smørgrav# serial 5 lt~obsolete.m4 12f3b0ac34SDag-Erling Smørgrav 13f3b0ac34SDag-Erling Smørgrav# These exist entirely to fool aclocal when bootstrapping libtool. 14f3b0ac34SDag-Erling Smørgrav# 15f3b0ac34SDag-Erling Smørgrav# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN), 16f3b0ac34SDag-Erling Smørgrav# which have later been changed to m4_define as they aren't part of the 17f3b0ac34SDag-Erling Smørgrav# exported API, or moved to Autoconf or Automake where they belong. 18f3b0ac34SDag-Erling Smørgrav# 19f3b0ac34SDag-Erling Smørgrav# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN 20f3b0ac34SDag-Erling Smørgrav# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us 21f3b0ac34SDag-Erling Smørgrav# using a macro with the same name in our local m4/libtool.m4 it'll 22f3b0ac34SDag-Erling Smørgrav# pull the old libtool.m4 in (it doesn't see our shiny new m4_define 23f3b0ac34SDag-Erling Smørgrav# and doesn't know about Autoconf macros at all.) 24f3b0ac34SDag-Erling Smørgrav# 25f3b0ac34SDag-Erling Smørgrav# So we provide this file, which has a silly filename so it's always 26f3b0ac34SDag-Erling Smørgrav# included after everything else. This provides aclocal with the 27f3b0ac34SDag-Erling Smørgrav# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything 28f3b0ac34SDag-Erling Smørgrav# because those macros already exist, or will be overwritten later. 29f3b0ac34SDag-Erling Smørgrav# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. 30f3b0ac34SDag-Erling Smørgrav# 31f3b0ac34SDag-Erling Smørgrav# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. 32f3b0ac34SDag-Erling Smørgrav# Yes, that means every name once taken will need to remain here until 33f3b0ac34SDag-Erling Smørgrav# we give up compatibility with versions before 1.7, at which point 34f3b0ac34SDag-Erling Smørgrav# we need to keep only those names which we still refer to. 35f3b0ac34SDag-Erling Smørgrav 36f3b0ac34SDag-Erling Smørgrav# This is to help aclocal find these macros, as it can't see m4_define. 37f3b0ac34SDag-Erling SmørgravAC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])]) 38f3b0ac34SDag-Erling Smørgrav 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