As this is the default.

This flag is not yet available as of LLVM 17.0.6.

eu-strip seems to mis-strip .o relocatables.

This reverts commit bf3aeb3d.

Causes problems in GCC and Glibc.

FIXME: Somehow the abdbg() output leaked into DEBIAN/control.

FIXME: The original implementation in v4.1.1, while able to print all Spiral
provides, causes Autobuild4 to crash when building packages with manually
specified _spiral Provides.

The previous implementation did not mark every item with _spiral and generated
duplicate items.

e.g. libbz2.so.1.0 => libbz2-1.0

... and remove redundant checks.

- Fix indentation in pm/dpkg.sh