/etc/spamassassin/sa-compile.pre is in sa-compile 3.4.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | # Rule2XSBody - speedup by compilation of ruleset to native code
#
loadplugin Mail::SpamAssassin::Plugin::Rule2XSBody
|