1 files changed, 83 insertions, 0 deletions

diff --git a/recipes-devtools/gcc/gcc-4.5/gcc-poison-parameters.patch b/recipes-devtools/gcc/gcc-4.5/gcc-poison-parameters.patch
new file mode 100644
index 0000000000..3cc7cbad4b
--- /dev/null
+++ b/recipes-devtools/gcc/gcc-4.5/gcc-poison-parameters.patch
@@ -0,0 +1,83 @@
+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>
+
+diff --git a/gcc/config.in b/gcc/config.in
+index a9e208f..3004321 100644
+--- a/gcc/config.in
++++ b/gcc/config.in
+@@ -132,6 +132,12 @@
+ #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. */
+diff --git a/gcc/configure b/gcc/configure
+index 2e022ed..004ec0b 100755
+--- a/gcc/configure
++++ b/gcc/configure
+@@ -909,6 +909,7 @@ enable_maintainer_mode
+ enable_version_specific_runtime_libs
+ with_slibdir
+ enable_plugin
++enable_target_optspace
+ '
+       ac_precious_vars='build_alias
+ host_alias
+@@ -25289,6 +25290,13 @@ $as_echo "#define ENABLE_PLUGIN 1" >>confdefs.h
+ 
+ fi
+ 
++if test x"$enable_target_optspace" != x; then :
++
++$as_echo "#define ENABLE_TARGET_OPTSPACE 1" >>confdefs.h
++
++fi
++
++
+ # Configure the subdirectories
+ # AC_CONFIG_SUBDIRS($subdirs)
+ 
+diff --git a/gcc/configure.ac b/gcc/configure.ac
+index ac4ca70..18ec0aa 100644
+--- a/gcc/configure.ac
++++ b/gcc/configure.ac
+@@ -4434,6 +4434,11 @@ if test x"$enable_plugin" = x"yes"; then
+   AC_DEFINE(ENABLE_PLUGIN, 1, [Define to enable plugin support.])
+ fi
+ 
++AC_SUBST(enable_target_optspace)
++if test x"$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)
+ 
+diff --git a/gcc/opts.c b/gcc/opts.c
+index 139cd26..2fdd96a 100644
+--- a/gcc/opts.c
++++ b/gcc/opts.c
+@@ -945,6 +945,11 @@ decode_options (unsigned int argc, const char **argv)
+   else
+     set_param_value ("min-crossjump-insns", initial_min_crossjump_insns);
+ 
++#ifndef ENABLE_TARGET_OPTSPACE
++  if (optimize_size == 1)
++    error ("Do not use -Os option if --enable-target-optspace is not set.");
++#endif
++
+   if (first_time_p)
+     {
+       /* Initialize whether `char' is signed.  */