https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109798
--- Comment #6 from Marc Poulhiès <dkm at gcc dot gnu.org> --- `alr -v build -- --keep-temp-files` should provide the expected commands. You should have all the gcc invocations + be able to see the TMP files used with `-gnatem` and `-gnatec`.
