gcc: Support only the latest branch releases of gcc

This change, as per #222, reduces the number of supported releases of
gcc to the latest branch releases.

I noticed while doing this work that gcc-4.5.4 was never added, so I
moved patches for gcc-4.5.3 to 4.5.4 and updated the
bfin-unknown-linux-uclibc example. Also, 120-siginfo.patch was fixed
upstream in the 4.5.4 release, so this patch is omitted.

I also bumped the avr sample to 4.9.3 from 4.9.2.

With the addition of gcc-5.x, the gcc release team now releases the
major.minor.0 versions, while updates to the branch are available in
svn/git. We'll address that when we get to issue #219. This change just
removes CC_GCC_5_1 and moves CC_GCC_5_2 to CC_GCC_5, and removes
CC_GCC_5_1_or_later and moves CC_GCC_5_2_or_later to CC_GCC_5_or_later.

This is the first of two part changes, as mentioned in #222.
This change is slated for release in 1.22.0. The next change will be
slated for 1.23.0, and will limit gcc versions to what is on
https://gcc.gnu.org under "Release Series and Status", which is
currently 4.9.3 and 5.2.0, although I will also support the previous
supported version. In this example that would be 4.8.5.

Last, but not least, this change also retires AVR32 support.

Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>

1 files changed, 0 insertions, 43 deletions

diff --git a/patches/gcc/4.2.3/300-fortran-signed-TImode.patch b/patches/gcc/4.2.3/300-fortran-signed-TImode.patch
deleted file mode 100644
index 01e2f01..0000000
--- a/patches/gcc/4.2.3/300-fortran-signed-TImode.patch
+++ /dev/null
@@ -1,43 +0,0 @@
-Fix building gfortran for ARM.
-http://gcc.gnu.org/ml/gcc-patches/2007-05/msg01010.html
-----
-
-The patch below fixes a crash building libgfortran on arm-linux-gnueabi.
-
-This target doesn't really have a 128-bit integer type, however it does use 
-TImode to represent the return value of certain special ABI defined library 
-functions. This results in type_for_size(TImode) being called.
-
-Because TImode deosn't correspond to any gfortran integer kind 
-gfc_type_for_size returns NULL and we segfault shortly after.
-
-The patch below fixes this by making gfc_type_for_size handle TImode in the 
-same way as the C frontend.
-
-Tested on x86_64-linux and arm-linux-gnueabi.
-Applied to trunk.
-
-Paul
-
-2007-05-15  Paul Brook  <paul@codesourcery.com>
-
-    gcc/fortran/
-    * trans-types.c (gfc_type_for_size): Handle signed TImode.
-
-diff -durN gcc-4.2.3.old/gcc/fortran/trans-types.c gcc-4.2.3/gcc/fortran/trans-types.c
---- gcc-4.2.3.old/gcc/fortran/trans-types.c	2007-08-31 10:27:50.000000000 +0200
-+++ gcc-4.2.3/gcc/fortran/trans-types.c	2008-07-17 09:54:20.000000000 +0200
-@@ -1799,6 +1799,13 @@
- 	  if (type && bits == TYPE_PRECISION (type))
- 	    return type;
- 	}
-+
-+	/* Handle TImode as a special case because it is used by some backends
-+	   (eg. ARM) even though it is not available for normal use.  */
-+#if HOST_BITS_PER_WIDE_INT >= 64
-+	if (bits == TYPE_PRECISION (intTI_type_node))
-+	  return intTI_type_node;
-+#endif
-     }
-   else
-     {