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.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>

1 files changed, 221 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-poison-system-directories.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-poison-system-directories.patch
new file mode 100644
index 000000000..e1b7131a8
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-poison-system-directories.patch
@@ -0,0 +1,221 @@
+       gcc/
+       2008-07-02  Joseph Myers  <joseph@codesourcery.com>
+       * c-incpath.c: Include toplev.h.
+       (merge_include_chains): Use warning instead of cpp_error for
+       system directory poisoning diagnostic.
+       * Makefile.in (c-incpath.o): Depend on toplev.h.
+       * gcc.c (LINK_COMMAND_SPEC): Pass
+       --error-poison-system-directories if
+       -Werror=poison-system-directories.
+
+       2007-06-13  Joseph Myers  <joseph@codesourcery.com>
+       * common.opt (--Wno-poison-system-directories): New.
+       * doc/invoke.texi (-Wno-poison-system-directories): Document.
+       * c-incpath.c: Include flags.h.
+       (merge_include_chains): Check flag_poison_system_directories.
+       * gcc.c (LINK_COMMAND_SPEC): Pass --no-poison-system-directories
+       to linker if -Wno-poison-system-directories.
+       * Makefile.in (c-incpath.o): Depend on $(FLAGS_H).
+
+       2007-03-20  Daniel Jacobowitz  <dan@codesourcery.com>
+                   Joseph Myers  <joseph@codesourcery.com>
+       * configure.ac (--enable-poison-system-directories): New option.
+       * configure, config.in: Regenerate.
+       * c-incpath.c (merge_include_chains): If
+       ENABLE_POISON_SYSTEM_DIRECTORIES defined, warn for use of
+       /usr/include, /usr/local/include or /usr/X11R6/include.
+
+Index: gcc-4.6.0/gcc/common.opt
+===================================================================
+--- gcc-4.6.0.orig/gcc/common.opt
++++ gcc-4.6.0/gcc/common.opt
+@@ -558,6 +558,10 @@ Wpadded
+ Common Var(warn_padded) Warning
+ Warn when padding is required to align structure members
+ 
++Wpoison-system-directories
++Common Var(flag_poison_system_directories) Init(1) Warning
++Warn for -I and -L options using system directories if cross compiling
++
+ Wshadow
+ Common Var(warn_shadow) Warning
+ Warn when one local variable shadows another
+Index: gcc-4.6.0/gcc/config.in
+===================================================================
+--- gcc-4.6.0.orig/gcc/config.in
++++ gcc-4.6.0/gcc/config.in
+@@ -144,6 +144,12 @@
+ #endif
+ 
+ 
++/* Define to warn for use of native system header directories */
++#ifndef USED_FOR_TARGET
++#undef ENABLE_POISON_SYSTEM_DIRECTORIES
++#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.ac
+===================================================================
+--- gcc-4.6.0.orig/gcc/configure.ac
++++ gcc-4.6.0/gcc/configure.ac
+@@ -4694,6 +4694,16 @@ else
+ fi)
+ AC_SUBST(slibdir)
+ 
++AC_ARG_ENABLE([poison-system-directories],
++             AS_HELP_STRING([--enable-poison-system-directories],
++                            [warn for use of native system header directories]),,
++             [enable_poison_system_directories=no])
++if test "x${enable_poison_system_directories}" = "xyes"; then
++  AC_DEFINE([ENABLE_POISON_SYSTEM_DIRECTORIES],
++           [1],
++           [Define to warn for use of native system header directories])
++fi
++
+ # Substitute configuration variables
+ AC_SUBST(subdirs)
+ AC_SUBST(srcdir)
+Index: gcc-4.6.0/gcc/doc/invoke.texi
+===================================================================
+--- gcc-4.6.0.orig/gcc/doc/invoke.texi
++++ gcc-4.6.0/gcc/doc/invoke.texi
+@@ -257,6 +257,7 @@ Objective-C and Objective-C++ Dialects}.
+ -Woverlength-strings  -Wpacked  -Wpacked-bitfield-compat  -Wpadded @gol
+ -Wparentheses  -Wpedantic-ms-format -Wno-pedantic-ms-format @gol
+ -Wpointer-arith  -Wno-pointer-to-int-cast @gol
++-Wno-poison-system-directories @gol
+ -Wredundant-decls @gol
+ -Wreturn-type  -Wsequence-point  -Wshadow @gol
+ -Wsign-compare  -Wsign-conversion  -Wstack-protector @gol
+@@ -3773,6 +3774,14 @@ headers---for that, @option{-Wunknown-pr
+  for most targets, it is made up of code and thus requires the stack
+  to be made executable in order for the program to work properly.
+ 
++@item -Wno-poison-system-directories
++@opindex Wno-poison-system-directories
++Do not warn for @option{-I} or @option{-L} options using system
++directories such as @file{/usr/include} when cross compiling.  This
++option is intended for use in chroot environments when such
++directories contain the correct headers and libraries for the target
++system rather than the host.
++
+ @item -Wfloat-equal
+ @opindex Wfloat-equal
+ @opindex Wno-float-equal
+Index: gcc-4.6.0/gcc/gcc.c
+===================================================================
+--- gcc-4.6.0.orig/gcc/gcc.c
++++ gcc-4.6.0/gcc/gcc.c
+@@ -659,6 +659,8 @@ proper position among the other output f
+     %{flto} %{flto=*} %l " LINK_PIE_SPEC \
+    "%X %{o*} %{e*} %{N} %{n} %{r}\
+     %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}}\
++    %{Wno-poison-system-directories:--no-poison-system-directories}\
++    %{Werror=poison-system-directories:--error-poison-system-directories}\
+     %{static:} %{L*} %(mfwrap) %(link_libgcc) %o\
+     %{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\
+     %(mflib) " STACK_SPLIT_SPEC "\
+Index: gcc-4.6.0/gcc/incpath.c
+===================================================================
+--- gcc-4.6.0.orig/gcc/incpath.c
++++ gcc-4.6.0/gcc/incpath.c
+@@ -353,6 +353,24 @@ merge_include_chains (const char *sysroo
+ 	}
+       fprintf (stderr, _("End of search list.\n"));
+     }
++
++#ifdef ENABLE_POISON_SYSTEM_DIRECTORIES
++  if (flag_poison_system_directories)
++    {
++       struct cpp_dir *p;
++
++       for (p = heads[QUOTE]; p; p = p->next)
++         {
++          if ((!strncmp (p->name, "/usr/include", 12))
++              || (!strncmp (p->name, "/usr/local/include", 18))
++              || (!strncmp (p->name, "/usr/X11R6/include", 18)))
++            warning (OPT_Wpoison_system_directories,
++                     "include location \"%s\" is unsafe for "
++                     "cross-compilation",
++                     p->name);
++         }
++    }
++#endif
+ }
+ 
+ /* Use given -I paths for #include "..." but not #include <...>, and
+Index: gcc-4.6.0/gcc/Makefile.in
+===================================================================
+--- gcc-4.6.0.orig/gcc/Makefile.in
++++ gcc-4.6.0/gcc/Makefile.in
+@@ -2179,7 +2179,7 @@ attribs.o : attribs.c $(CONFIG_H) $(SYST
+ 
+ incpath.o: incpath.c incpath.h $(CONFIG_H) $(SYSTEM_H) $(CPPLIB_H) \
+ 		intl.h prefix.h coretypes.h $(TM_H) cppdefault.h $(TARGET_H) \
+-		$(MACHMODE_H)
++		$(MACHMODE_H) $(FLAGS_H) toplev.h
+ 
+ prefix.o: prefix.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) prefix.h \
+ 	Makefile $(BASEVER)
+Index: gcc-4.6.0/gcc/configure
+===================================================================
+--- gcc-4.6.0.orig/gcc/configure
++++ gcc-4.6.0/gcc/configure
+@@ -912,6 +912,7 @@ with_system_zlib
+ enable_maintainer_mode
+ enable_version_specific_runtime_libs
+ with_slibdir
++enable_poison_system_directories
+ enable_plugin
+ enable_libquadmath_support
+ '
+@@ -1623,6 +1624,8 @@ Optional Features:
+   --enable-version-specific-runtime-libs
+                           specify that runtime libraries should be
+                           installed in a compiler-specific directory
++  --enable-poison-system-directories
++                          warn for use of native system header directories
+   --enable-plugin         enable plugin support
+   --disable-libquadmath-support
+                           disable libquadmath support for Fortran
+@@ -17508,7 +17511,7 @@ else
+   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+   lt_status=$lt_dlunknown
+   cat > conftest.$ac_ext <<_LT_EOF
+-#line 17511 "configure"
++#line 17514 "configure"
+ #include "confdefs.h"
+ 
+ #if HAVE_DLFCN_H
+@@ -17614,7 +17617,7 @@ else
+   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+   lt_status=$lt_dlunknown
+   cat > conftest.$ac_ext <<_LT_EOF
+-#line 17617 "configure"
++#line 17620 "configure"
+ #include "confdefs.h"
+ 
+ #if HAVE_DLFCN_H
+@@ -26127,6 +26130,19 @@ fi
+ 
+ 
+ 
++# Check whether --enable-poison-system-directories was given.
++if test "${enable_poison_system_directories+set}" = set; then :
++  enableval=$enable_poison_system_directories;
++else
++  enable_poison_system_directories=no
++fi
++
++if test "x${enable_poison_system_directories}" = "xyes"; then
++
++$as_echo "#define ENABLE_POISON_SYSTEM_DIRECTORIES 1" >>confdefs.h
++
++fi
++
+ # Substitute configuration variables
+ 
+