and are not able to implement dumping, then Emacs must load
@file{loadup.el} each time it starts.
+@cindex build details
+@cindex deterministic build
+@cindex @option{--disable-build-details} option to @command{configure}
+ By default the dumped @file{emacs} executable records details such
+as the build time and host name. Use the
+@option{--disable-build-details} option of @command{configure} to
+suppress these details, so that building and installing Emacs twice
+from the same sources is more likely to result in identical copies of
+Emacs.
+
@cindex @file{site-load.el}
You can specify additional files to preload by writing a library named
@file{site-load.el} that loads them. You may need to rebuild Emacs