Add the "regtest" make target: call "make regtest", and all samples wil be built, and a tarball made for each of them. First sample to fail causes the test to stop.

scripts/functions is responsible for initiating the log file.
Users of the log facility are in charge to use, move, delete this log file, now.

Fix printing components' file names.

Answer default values when doing a defoldconfig.

When doing a silent old config, don't check if stdin was redirected. ct-ng doesn't use this feature, and even better yet, it makes explicit use of redirecting both stdin and stdout at aome moments.

Add a function to print each component's filename: this eases building the tarball of the generated toolchain.
Hard-link the libfloat tarball instead of soft-link: this also eases building the afore-mentioned tarball.

When searching a matching extension for a file, also check for the empty extension.

Rework the generated config file handling.

Don't go menuconfig if no .config present.
Handle the case where targets does not exist when calling distclean.

dd the two latest versions of the linux kernel.