/usr/lib/x86_64-linux-gnu/ is in libwxgtk3.0-dev 3.0.2-1+b1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/wx/
/usr/lib/x86_64-linux-gnu/wx/config/
/usr/lib/x86_64-linux-gnu/wx/config/gtk2-unicode-3.0
/usr/lib/x86_64-linux-gnu/wx/include/
/usr/lib/x86_64-linux-gnu/wx/include/gtk2-unicode-3.0/
/usr/lib/x86_64-linux-gnu/wx/include/gtk2-unicode-3.0/wx/
/usr/lib/x86_64-linux-gnu/wx/include/gtk2-unicode-3.0/wx/setup.h
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_html-3.0.so
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_adv-3.0.so
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_xrc-3.0.so
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_aui-3.0.so
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_qa-3.0.so
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_stc-3.0.so
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_gl-3.0.so
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_ribbon-3.0.so
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_propgrid-3.0.so
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_richtext-3.0.so