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 files changed, 32 insertions, 0 deletions

diff --git a/config/companion_libs/gmp.in b/config/companion_libs/gmp.in
new file mode 100644
index 0000000..0ac2b2c
--- /dev/null
+++ b/config/companion_libs/gmp.in
@@ -0,0 +1,32 @@
+# GMP options
+
+choice
+    bool
+    prompt "GMP version"
+
+config GMP_V_4_2_2
+    bool
+    prompt "4.2.2"
+
+config GMP_V_4_2_4
+    bool
+    prompt "4.2.4"
+
+# CT_INSERT_VERSION_ABOVE
+# Don't remove above line!
+endchoice
+
+config GMP_VERSION
+    string
+    default "4.2.2" if GMP_V_4_2_2
+    default "4.2.4" if GMP_V_4_2_4
+# CT_INSERT_VERSION_STRING_ABOVE
+# Don't remove above line!
+
+config GMP_CHECK
+    bool
+    prompt "Check GMP"
+    default y
+    help
+      It is highly recommended that 'make check' is run against the newly built
+      GMP library. See http://gmplib.org/