Add support for building PPL:
- PPL will be needed to correctly build gcc-4.4+ for the
GRAPHITE loop optimisation

-------- diffstat follows --------
/trunk/scripts/build/companion_libs/ppl.sh | 66 66 0 0 ++++++++++++++++++++++++++++++++++++
/trunk/scripts/build/companion_libs/gmp.sh | 24 19 5 0 ++++++++++---
/trunk/scripts/addToolVersion.sh | 3 2 1 0 +-
/trunk/scripts/crosstool-NG.sh.in | 3 3 0 0 ++
/trunk/steps.mk | 1 1 0 0 +
/trunk/config/companion_libs/ppl.in | 33 33 0 0 ++++++++++++++++++
/trunk/config/companion_libs.in | 22 19 3 0 ++++++++++--
7 files changed, 143 insertions(+), 9 deletions(-)

Rename a GMP patch.

-------- diffstat follows --------
/trunk/patches/gmp/4.2.2/100-mpf_set_str.c.patch | 38 0 38 0 ------------------------------
1 file changed, 38 deletions(-)

Update the patchset for MPFR 2.4.1 from upstream.

-------- diffstat follows --------
/trunk/patches/mpfr/2.4.1/120-cast-to-void-ptr.patch | 25 25 0 0 ++++++++++++
/trunk/patches/mpfr/2.4.1/130-vasprintf-mp_limb_t.patch | 45 45 0 0 ++++++++++++++++++++++
/trunk/patches/mpfr/2.4.1/140-zeta_ui-shift.patch | 47 47 0 0 +++++++++++++++++++++++
3 files changed, 117 insertions(+)

Update the alphaev56-unknown-linux-gnu sample, as per:
http://sourceware.org/ml/crossgcc/2009-05/msg00009.html

-------- diffstat follows --------
/trunk/patches/glibc/2.9/480-alpha-glibc-2.8-cache-shape.patch | 3 1 2 0 -
/trunk/patches/glibc/2.9/540-alpha-atfcts.patch | 12 12 0 0 ++++
/trunk/samples/alphaev56-unknown-linux-gnu/crosstool.config | 50 15 35 0 +++++-----------
3 files changed, 28 insertions(+), 37 deletions(-)

gcc-4.4:
- remove snapshots
- add gcc-4.4.0 release as EXPERIMENTAL

-------- diffstat follows --------
/trunk/config/cc/gcc.in | 21 4 17 0 ++++-----------------
1 file changed, 4 insertions(+), 17 deletions(-)

Unmark gcc-4.3.3 as being EXPERIMENTAL.

-------- diffstat follows --------
/trunk/config/cc/gcc.in | 3 1 2 0 +--
1 file changed, 1 insertion(+), 2 deletions(-)

Prepare for gcc-4.4:
- add 'companion_libs/' to hold all libraries needed to build gcc-4.3+ and gcc-4.4+
- move GMP & MPFR to 'companion_libs/'

-------- diffstat follows --------
/trunk/scripts/build/gmp.sh | 85 0 85 0 ----------------------------
/trunk/scripts/build/mpfr.sh | 139 0 139 0 ---------------------------------------------
/trunk/scripts/addToolVersion.sh | 4 2 2 0
/trunk/scripts/crosstool-NG.sh.in | 4 2 2 0
/trunk/config/companion_libs.in | 17 10 7 0 +++---
/trunk/config/gmp_mpfr/gmp.in | 32 0 32 0 ----------
/trunk/config/gmp_mpfr/mpfr.in | 42 0 42 0 --------------
/trunk/config/config.in | 2 1 1 0
/trunk/config/gmp_mpfr.in | 35 0 35 0 -----------
9 files changed, 15 insertions(+), 345 deletions(-)

1.4: backport #1496 from /trunk:
- For glibc & eglibc, try to auto-select the ports addon for those
architectures that require it (curently, ARM and MIPS are known to).

-------- diffstat follows --------
/branches/1.4/config/libc/glibc-eglibc.in-common | 9 8 1 0 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

1.4: backport #1495 from /trunk:
- Force getting glibc>=2.8 via checkout if any addon is selected.

-------- diffstat follows --------
/branches/1.4/config/libc/glibc.in | 7 7 0 0 +++++++
/branches/1.4/config/libc/glibc-eglibc.in-common | 6 6 0 0 ++++++
2 files changed, 13 insertions(+)

For glibc & eglibc, try to auto-select the ports addon for those
architectures that require it (curently, ARM and MIPS are known to).

-------- diffstat follows --------
/trunk/config/libc/glibc-eglibc.in-common | 9 8 1 0 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)