/usr/share/doc/gprbuild-doc/examples/namings/ is in gprbuild-doc 2011-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/gprbuild-doc/examples/namings/Makefile
/usr/share/doc/gprbuild-doc/examples/namings/_print2.ada
/usr/share/doc/gprbuild-doc/examples/namings/_print3.adb
/usr/share/doc/gprbuild-doc/examples/namings/main.adb
/usr/share/doc/gprbuild-doc/examples/namings/my_routine.c1
/usr/share/doc/gprbuild-doc/examples/namings/my_routine2.c1
/usr/share/doc/gprbuild-doc/examples/namings/namings.gpr
/usr/share/doc/gprbuild-doc/examples/namings/obj-case1/
/usr/share/doc/gprbuild-doc/examples/namings/obj-case2/
/usr/share/doc/gprbuild-doc/examples/namings/obj-case3/
/usr/share/doc/gprbuild-doc/examples/namings/src1/
/usr/share/doc/gprbuild-doc/examples/namings/src1/main.adb
/usr/share/doc/gprbuild-doc/examples/namings/util-case1.ada
/usr/share/doc/gprbuild-doc/examples/namings/util-case2.ada
/usr/share/doc/gprbuild-doc/examples/namings/util.ads