-# A: Only if we find admin/admin.el, i.e. we are building out of
-# a VCS-checkout (not a release) and src/b-emacs.exe does not exist.
+# A: Only if we find msdos/autogen/Makefile.in, i.e. we are building out of
+# a VCS-checkout (not a release), and src/b-emacs.exe does not exist.