[luatex] Problem building 0.50.0 (and trunk)

Karl Berry karl at freefriends.org
Thu Jan 7 23:55:30 CET 2010

    Hum, though I cannot find a reference right now, I seem to remember
    it was fixed in the TL build system some time ago by using a more
    recent libtools.

My understanding is:

1) Yes, Peter has fixed it in the TL sources.

2) It was not about using a more recent libtool, but about our usage of
   libtool (Ralf W and other libtool folks helped us figure this out).
   In particular, timing and propagation of shell detection.

3) Unfortunately, there is no simple patch, but below is what Peter wrote
   to Frank a few weeks ago.

4) After these changes are made, it should not be necessary to do the
   kludgey CONFIG_SHELL setting that was discussed earlier today.


Date: Mon, 14 Dec 2009 16:56:32 +0100 (CET)
From: Peter Breitenlohner <peb at mppmu.mpg.de>
To: Frank KŽüster <frank at kuesterei.ch>
cc: Karl Berry <karl at freefriends.org>
Subject: Re: bash-ism and libtool and tl

peb>> (2) Configure tests /bin/sh and if necessary uses another shell and the
peb>> chosen (sh or other) shell is then propagated to Make and further to
peb>> Libtool.  However, this was not handled correctly in TL2009, and the problem
peb>> was only understood when the distro (iso image) was ready.

frankk> Can you point me to a patch for this issue?

Hi Frank,

not easily, this was part of a major update with many different changes in
the build system that have accumulated during the freeze for the TL2009

However, the relevant modifications are in {libs,texk,utils}/Makefile.am,
 	eval $(SHELL) $$cmd$$skip) && \
 	eval $(SHELL) $$cmd$$skip) && \
and an analogous modification in libs/icu/Makefile.am.

These are the cases where a Makefile starts configuring a subdirectory.


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