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(-)

Force getting glibc>=2.8 via checkout if any addon is selected.

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

Add check for the {n,}curses library.
Add check for readlink, needed to check for libraries.

-------- diffstat follows --------
/trunk/configure | 15 14 1 0 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)

When running ./configure, check for the {n,}curses headers.

-------- diffstat follows --------
/trunk/configure | 66 39 27 0 +++++++++++++++++++++++++++++++++++++-------------------------
1 file changed, 39 insertions(+), 27 deletions(-)

configure:
- replace the complex TOOLS_TO_CHECK infrastructure
with a more versatile has_or_abort function
- allows for more explicit error messages

-------- diffstat follows --------
/trunk/configure | 301 146 155 0 ++++++++++++++++++++++++++++++--------------------------------
1 file changed, 146 insertions(+), 155 deletions(-)

Add a patch against glibc-2.7 to fix build failures
with the latest binutils-2.19.50.* snapshots.
From: http://sourceware.org/ml/crossgcc/2009-04/msg00062.html

-------- diffstat follows --------
/trunk/patches/glibc/2.7/300-binutils-_begin.patch | 190 190 0 0 ++++++++++++++++++++++++++++
1 file changed, 190 insertions(+)

Update the config.{guess,sub} scripts.

-------- diffstat follows --------
/trunk/scripts/config.guess | 7 5 2 0 +++++--
/trunk/scripts/config.sub | 3 2 1 0 ++-
2 files changed, 7 insertions(+), 3 deletions(-)