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Date: Sun, 26 Apr 2015 23:24:32 -0700
From: Michael Forney <>
Subject: getopt_long incompatibility


I noticed when building gzip with musl that gnulib is still replacing
getopt and getopt_long. After some investigation, it looks to be because
it expects getopt_long to accept ambiguous options with the same
has_arg, flag, and val values[0].

The code responsible for this seems to only do this for getopt_long and
not getopt_long_only[1]. I have no idea why, but since musl aims to
conform to glibc's getopt_long behavior, we should probably do the same.


Michael Forney <>

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