/usr/share/ is in gnat-5 5.5.0-12ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/man/man1/gnat.1.gz
/usr/share/man/man1/gnatbind-5.1.gz
/usr/share/man/man1/gnatbind.1.gz
/usr/share/man/man1/gnatchop-5.1.gz
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/usr/share/man/man1/gnatclean-5.1.gz
/usr/share/ada/
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/usr/share/man/man1/gnatprep-5.1.gz
/usr/share/doc/gnat-5
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/usr/share/man/man1/gnatprep.1.gz
/usr/share/man/man1/gnatxref-5.1.gz
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/usr/share/man/man1/x86_64-linux-gnu-gnatname.1.gz
/usr/share/ada/debian_packaging-5.mk
/usr/share/doc/
/usr/share/doc/gcc-5-base/
/usr/share/doc/gcc-5-base/ada/
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/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/gnat-5
/usr/share/man/
/usr/share/man/man1/
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/usr/share/man/man1/gnatkr-5.1.gz
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