use gnulib to provide the newest implementation of getopt_long()

adplug / adplay-unix

AdPlug's UNIX console-based frontend

GNU General Public License v2.0

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use gnulib to provide the newest implementation of getopt_long() #25

Open mywave82 opened 1 year ago

mywave82 commented 1 year ago

TODO list:

[x] rebase on "autoconf / m4 update" #24 after it is finished and implemented
[ ] test on a non-gnu system

mywave82 commented 1 year ago

I think Windows is the only modern version of the commonly used operating systems that is lacking getopt_long(). We need to jump back in time to old versions of BSD probably to find the need / proper test-system.

With gnulib infrastructure in place, it is easy to add other features that might be missing in different target operating systems in the future.