+FS::Path InstalledFile::generate_target_path(const FS::Path &prefix, const FileTarget &tgt, const string &loc)
+{
+ if(!tgt.is_installable() && loc.empty())
+ throw invalid_argument(tgt.get_name()+" is not installable");
+
+ FS::Path mid;
+ if(!loc.empty())
+ mid = loc;
+ else
+ mid = tgt.get_install_location();
+
+ return prefix/mid/FS::basename(tgt.get_path());
+}
+