1ae545d91Smrg# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- 2ae545d91Smrg# 3ae545d91Smrg# Copyright (C) 2004-2005, 2007, 2009, 2011-2019, 2021-2024 Free 4ae545d91Smrg# Software Foundation, Inc. 5ae545d91Smrg# Written by Scott James Remnant, 2004. 6ae545d91Smrg# 7ae545d91Smrg# This file is free software; the Free Software Foundation gives 8ae545d91Smrg# unlimited permission to copy and/or distribute it, with or without 9ae545d91Smrg# modifications, as long as this notice is preserved. 10ae545d91Smrg 11ae545d91Smrg# serial 5 lt~obsolete.m4 12ae545d91Smrg 13ae545d91Smrg# These exist entirely to fool aclocal when bootstrapping libtool. 14ae545d91Smrg# 15ae545d91Smrg# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN), 16ae545d91Smrg# which have later been changed to m4_define as they aren't part of the 17ae545d91Smrg# exported API, or moved to Autoconf or Automake where they belong. 18ae545d91Smrg# 19ae545d91Smrg# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN 20ae545d91Smrg# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us 21ae545d91Smrg# using a macro with the same name in our local m4/libtool.m4 it'll 22ae545d91Smrg# pull the old libtool.m4 in (it doesn't see our shiny new m4_define 23ae545d91Smrg# and doesn't know about Autoconf macros at all.) 24ae545d91Smrg# 25ae545d91Smrg# So we provide this file, which has a silly filename so it's always 26ae545d91Smrg# included after everything else. This provides aclocal with the 27ae545d91Smrg# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything 28ae545d91Smrg# because those macros already exist, or will be overwritten later. 29ae545d91Smrg# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. 30ae545d91Smrg# 31ae545d91Smrg# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. 32ae545d91Smrg# Yes, that means every name once taken will need to remain here until 33ae545d91Smrg# we give up compatibility with versions before 1.7, at which point 34ae545d91Smrg# we need to keep only those names which we still refer to. 35ae545d91Smrg 36ae545d91Smrg# This is to help aclocal find these macros, as it can't see m4_define. 37ae545d91SmrgAC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])]) 38ae545d91Smrg 39ae545d91Smrgm4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])]) 40ae545d91Smrgm4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])]) 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