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Re: Fix rebuilding rules of ltmain

From: Gary V. Vaughan
Subject: Re: Fix rebuilding rules of ltmain
Date: Fri, 27 Apr 2007 13:46:23 +0100

Hallo Ralf,

On 27 Apr 2007, at 00:01, Ralf Wildenhues wrote:
OK to apply?  With this, if only `ChangeLog' (and `' for are newer than the respective target, we avoid updating.
This fixes the bug where
  touch $srcdir/libltdl/config/ltmain.m4sh  # or edit otherwise

would fail to update and thus libtool.

This seems to more or less work with the make implementations of Solaris 10, AIX 4.3.3, FreeBSD 6, and of course GNU. More or less meaning: the
proprietary make implementations will keep rerunning autotools and
config.status for a while, but eventually they will settle on something.

Are we actually any better off than we were before I removed stamp-vcl?
If this puts us back where we were to start with, then it would be better to revert the stamp-vcl removal patch if we can't find a better way to have
changes to picked up by make...

2007-04-27  Ralf Wildenhues  <address@hidden>

        * (clean-ltmain-sh): Removed.
        (libtool, $(srcdir)/$(m4dir)/ltversion.m4)
        ($(srcdir)/$(auxdir)/ Updated to not depend on any
        phony rules.  Test `$?' for prerequisites that should always
        cause us to update the target.  Fixes rebuilding rules, at the
        cost of sometimes updating too much with non-GNU make.

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