bug#49901: Bug in build c-ares [too many loops]

[Thomas Jahns]

On 8/17/21 7:06 PM, Nick Bowler wrote:
> If you really need something like this to support bootstrapping with
> Autoconf 2.57 (which is getting close to 20 years old now!), I suggest
> you find another solution that doesn't involve redefining the internals
> on newer Autoconf versions.

I found that to support older autoconf versions, it was useful to put 
overrides into conditional blocks like this:

m4_if(m4_version_compare(m4_PACKAGE_VERSION,[2.70]),[-1],
  [m4_include([m4/ac_fc_module_output_flag.m4])])

Regards, Thomas
--
Thomas Jahns
HPC-Gruppe
Abteilung Anwendungssoftware

Deutsches Klimarechenzentrum GmbH
Bundesstraße 45a • D-20146 Hamburg • Germany

Phone:  +49 40 460094-151
Fax:    +49 40 460094-270
Email:  Thomas Jahns <jahns@dkrz.de>
URL:    www.dkrz.de

Geschäftsführer: Prof. Dr. Thomas Ludwig
Sitz der Gesellschaft: Hamburg
Amtsgericht Hamburg HRB 39784

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