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Portability of libtextstyle


From: Akim Demaille
Subject: Portability of libtextstyle
Date: Sun, 26 Jul 2020 16:25:37 +0200

Hi Bruno,

I have been bitten by portability issues with libtextstyle: some people have 
versions that don't feature ostream_printf.  Unfortunately gnulib's Autoconf 
macros don't check for this function, so old versions of libtextstyle are 
accepted, and linking fails 
(https://lists.gnu.org/r/bug-bison/2020-07/msg00030.html).  I have no idea 
where the prototype was found by the way.

I don't know how you want to handle this situation:
1. gnulib macros should be able to be told what requirements one has one 
libtextstyle
2. gnulib macros always aim at the most recent "release" but checking for the 
most recent additions in the API.

I'd go for 2, but maybe you have a different opinion.

Another point is that I expected --without-libtextstyle-prefix to disable 
explicitly libtextstyle, but apparently it doesn't 
(https://lists.gnu.org/r/bug-bison/2020-07/msg00037.html).

I can submit changes once I know what options you prefer.

Cheers!




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