/usr/share/texlive/texmf-dist/makeindex/ is in texlive-latex-extra 2016.20170123-5.
This file is owned by root:root, with mode 0o755.
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/usr/share/texlive/texmf-dist/makeindex/cnltx/
/usr/share/texlive/texmf-dist/makeindex/cnltx/cnltx.ist
/usr/share/texlive/texmf-dist/makeindex/gmdoc/
/usr/share/texlive/texmf-dist/makeindex/gmdoc/gmglo.ist
/usr/share/texlive/texmf-dist/makeindex/iso/
/usr/share/texlive/texmf-dist/makeindex/iso/iso.ist
/usr/share/texlive/texmf-dist/makeindex/nomencl/
/usr/share/texlive/texmf-dist/makeindex/nomencl/nomencl.ist
/usr/share/texlive/texmf-dist/makeindex/nomentbl/
/usr/share/texlive/texmf-dist/makeindex/nomentbl/nomentbl.ist
/usr/share/texlive/texmf-dist/makeindex/repeatindex/
/usr/share/texlive/texmf-dist/makeindex/repeatindex/repeatindex.ist
/usr/share/texlive/texmf-dist/makeindex/xdoc/
/usr/share/texlive/texmf-dist/makeindex/xdoc/docindex.ist