GNUInstallDirs: Fix misinterpretation of Debian Policy on LIBEXECDIR
This reverts !5349 (merged).
The Debian Policy builds upon FHS 3.0 and permits installing to /usr/libexec
. While Policy does grant an additional exception for applications to use a single subdirectory of /usr/lib/<triplet>
, this is not meant to replace /usr/libexec
as valid target.
Fixes: #22731 (closed)
Backport: release
Edited by Brad King