gcc: Add recipes for 4.6.0

This is initial set of patches for testing them out
The patches need documentation is pending
Some patches especially uclibc related are not
needed they must be dropped.

(From OE-Core rev: 26858099bc104efc3b3d15d9298018285c551b9a)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 74 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-poison-parameters.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-poison-parameters.patch
new file mode 100644
index 0000000000..f36fa8195e
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-poison-parameters.patch
@@ -0,0 +1,74 @@
+gcc: add poison parameters detection
+
+Add the logic that, if not configured with "--enable-target-optspace",
+gcc will meet error when build target app with "-Os" option.
+This could avoid potential binary crash.
+
+Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
+
+Index: gcc-4.6.0/gcc/config.in
+===================================================================
+--- gcc-4.6.0.orig/gcc/config.in
++++ gcc-4.6.0/gcc/config.in
+@@ -150,6 +150,12 @@
+ #endif
+ 
+ 
++/* Define to enable target optspace support. */
++#ifndef USED_FOR_TARGET
++#undef ENABLE_TARGET_OPTSPACE
++#endif
++
++
+ /* Define if you want all operations on RTL (the basic data structure of the
+    optimizer and back end) to be checked for dynamic type safety at runtime.
+    This is quite expensive. */
+Index: gcc-4.6.0/gcc/configure
+===================================================================
+--- gcc-4.6.0.orig/gcc/configure
++++ gcc-4.6.0/gcc/configure
+@@ -26434,6 +26434,13 @@ $as_echo "#define ENABLE_LIBQUADMATH_SUP
+ fi
+ 
+ 
++if test x"$enable_target_optspace" != x; then :
++
++$as_echo "#define ENABLE_TARGET_OPTSPACE 1" >>confdefs.h
++
++fi
++
++
+ # Configure the subdirectories
+ # AC_CONFIG_SUBDIRS($subdirs)
+ 
+Index: gcc-4.6.0/gcc/configure.ac
+===================================================================
+--- gcc-4.6.0.orig/gcc/configure.ac
++++ gcc-4.6.0/gcc/configure.ac
+@@ -4907,6 +4907,11 @@ if test "${ENABLE_LIBQUADMATH_SUPPORT}"
+ fi
+ 
+ 
++AC_SUBST(enable_target_optspace)
++if test x"$enable_target_optspace" != x; then
++  AC_DEFINE(ENABLE_TARGET_OPTSPACE, 1, [Define to enable target optspace support.])
++fi
++
+ # Configure the subdirectories
+ # AC_CONFIG_SUBDIRS($subdirs)
+ 
+Index: gcc-4.6.0/gcc/opts.c
+===================================================================
+--- gcc-4.6.0.orig/gcc/opts.c
++++ gcc-4.6.0/gcc/opts.c
+@@ -605,6 +605,10 @@ default_options_optimization (struct gcc
+     maybe_set_param_value (PARAM_MIN_CROSSJUMP_INSNS,
+                           default_param_value (PARAM_MIN_CROSSJUMP_INSNS),
+                           opts->x_param_values, opts_set->x_param_values);
++#ifndef ENABLE_TARGET_OPTSPACE
++  if (optimize_size == 1)
++    error ("Do not use -Os option if --enable-target-optspace is not set.");
++#endif
+ 
+   /* Allow default optimizations to be specified on a per-machine basis.  */
+   maybe_default_options (opts, opts_set,