x86_64 is used as a baseline: the "x86_64" entry, whatever status it has,
is transformed into "all", and then the other entries in ARCHITECTURES
either dropped or rearranged appropriately.
* Creating the debuginfo package was not appropriate because "-g"
is not being passed to the compiler. Bye defineDebugInfoPackage!
* Fix the shebang line of all perl scripts which use /usr/bin/perl
because one of the scripts is called at the end of the build.
* Add a patchset to fix a wrapper script which assumed incorrect
paths for 2 runtimes.