cc/gcc: add bugurl and compiler version to core gcc compiler

When building for bare-metal the core-gcc compiler is delivered
as final compiler, so the version info and bugurl is useful
in the core compiler as well.

Signed-off-by: Remy Bohmer <linux@bohmer.net>

binutils: allow choice for elf format when building bare-metal cross compiler

When building a baremetal cross compiler I want to be able to select
the elf format and not be forced to build the elf2flt package.

Signed-off-by: Bart vdr. Meulen <bartvdrmeulen@gmail.com>
[Yann E. MORIN: tweak the commit message]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

scripts: prevent trailing - in CT_TARGET

Not all target tuples consist of an VENDOR, KERNEL and SYSTEM part, build up the
tuple in such a way to no extra or trailing dashes are added to CT_TARGET

Signed-off-by: Bart vdr Meulen <bartvdrmeulen@gmail.com>

[CT-NG:patch 05/19] Force autoreconf for mpfr

In some exotic case the autoreconf step of mpfr is not executed (correctly)
leaving an incorrect version number for libtool in the configure script.

After extracting the sources files, force autoreconf to be executed.

Signed-off-by: Bart vdr. Meulen <bartvdrmeulen@gmail.com>

complibs: save directory with static complibs for stop/restart

complibs: don't install in toolchain dir when built as static

complibs: allow either static or shared build

complibs: build static libraries

config: replace COMP_LIBS with COMPLIBS

complibs/mpfr: fix extract

With MPFR 2.4.2, autoreconf needs to be run as well.