debug/gdb: add gdb 7.8

Add updated gdb 7.8 to the available versions of gdb.

Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
debug/gdb: add GDB_HAS_PYTHON

Add a Kconfig boolean to enable python, only if GDB_7_0_or_later.

Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
scripts/functions: use ${sed} instead of 'sed'

Helps build on BSD-like systems.

Reported-by: Fabian Freyer <fabian.freyer@physik.tu-berlin.de>
Signed-off-by: "Fabian Freyer" <fabian.freyer@physik.tu-berlin.de>
[yann.morin.1998@free.fr: split the original patch]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Fabian Freyer <fabian.freyer@physik.tu-berlin.de>
configure: add option to specify grep

Allows users for which GNU grep is not the default grep (e.g. BSD
folks), or is in a weird location.

Reported-by: Fabian Freyer <fabian.freyer@physik.tu-berlin.de>
Signed-off-by: "Fabian Freyer" <fabian.freyer@physik.tu-berlin.de>
[yann.morin.1998@free.fr: split the original patch]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Fabian Freyer <fabian.freyer@physik.tu-berlin.de>
scripts/crosstool-NG: use ${grep} instead of 'grep'

Helps building on BSD-like systems.

Reported-by: Fabian Freyer <fabian.freyer@physik.tu-berlin.de>
Signed-off-by: "Fabian Freyer" <fabian.freyer@physik.tu-berlin.de>
[yann.morin.1998@free.fr: split the original patch]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Fabian Freyer <fabian.freyer@physik.tu-berlin.de>
Added documentation for --with-grep

Signed-off-by: "Fabian Freyer" <fabian.freyer@physik.tu-berlin.de>
libc/mingw: does not require gcc core pass-1

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
cc/gcc: add option to enable/disable libsanitizer

libsaniotizer requires a few headers that are not in uClibc, for
example. Also, it is only available for native threads (NPTL under
glibc.) Finally, it is only available starting with gcc-4.8.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
libc/musl: Remove 1.0.3 and 1.1.3. Add 1.0.4.

This change removes 1.0.3 and 1.1.3 and linker regession patches for
those versions.

We add 1.0.4, and a patch needed for gcc-4.9.x which defines
`max_align_t'.

Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
patches/experimental/gcc: Add patches for musl-lib support

The following are experimental patches for gcc that add support for
musl-libc.

I haven't been able to test every combination, but please test and let
me know on the mailing-list or on irc your results!

Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
[yann.morin.1998@free.fr: ditch the gcc-4.7 patches]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Merge remote-tracking branch 'origin/master'