This adds support for a new binary format, DSBT ELF, to the Makefiles.
Every shared library is assigned a DSBT index, and the link.so macro is
adjusted to ensure the correct linker argument is passed.

Configuration and ldso support will follow in separate commits.

Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

Since sublevel releases are not ABI compatible we need to adjust
the soname to include the sublevel version.

This makes it possible to install ABI incompatible versions of the
library side by side so clean upgrades are possible.

Signed-off-by: Natanael Copa <natanael.copa@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

s/UCLIBC_HAS_RESOLV_STUB/UCLIBC_HAS_LIBRESOLV_STUB/
for consistency.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

  libresolv is just a stub anyway, default to not building it.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

  Handle O=

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

  bugs in gentoo's QA.
  Just add UCLIBC_HAS_SSP to the "and" of link.asneeded to properly take SSP
  into account, if you prefer.