arch/sh: fix type in variant handling

scripts/savesample: be silent when checking for .config file

1.6: update version to 1.6.2+hg

Tagging release 1.6.2

1.6: update version to 1.6.2

cc/gcc: fix cc symlink when executables have an extension

When building a cross-compiler for a host which depends
on file extensions the symlink for cc was not installed correctly

Signed-off-by: Bart vdr. Meulen <bartvdrmeulen@gmail.com>
[Yann E. MORIN: style fixes, enhancements, code prettying]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 214c64ba8b21db15f610eca886fb194a6675e40c)

libc/newlib: don't do // downloads

The newlib FTP site does not like // downloads, and quickly
blocks the IP from the downloader.

Override the number of chunks when downloading newlib.

libc/glibc: fix kernel version check

Since we log the test strings, it is no longer possible to call
the CT_Test* functions from sub-functions that print results to
their stdout.

scripts: also prepare include symlink to sysroot/include

scripts: check g++ only for host

g++ is only needed when building additonal libs on the HOST,
so check wheter g++ is available for the HOST compiler only

Signed-off-by: Bart vdr. Meulen <bartvdrmeulen@gmail.com>
[Yann E. MORIN: fix space damage]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>