/usr/lib/x86_64-linux-gnu/gstreamermm-1.0/gen/m4/plugingen.m4 is in libgstreamermm-1.0-dev 1.10.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | dnl Copyright 2008 The gstreamermm Development Team
dnl Other gstreamermm libraries can provide their own plugingen.m4 file for
dnl plug-in generation, maybe also including the same files as this one.
include(plugingen_gstreamermm.m4)
|