/usr/share/gauche-0.9/0.9.5/lib/scheme/ is in gauche 0.9.5-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gauche-0.9/0.9.5/lib/scheme/base.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/case-lambda.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/char.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/complex.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/cxr.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/eval.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/file.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/inexact.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/lazy.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/load.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/process-context.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/r5rs.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/read.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/repl.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/time.scm
/usr/share/gauche-0.9/0.9.5/lib/scheme/write.scm