diff --git a/meta/recipes-devtools/gcc/gcc-4.5.1.inc b/meta/recipes-devtools/gcc/gcc-4.5.1.inc
index 3edc4d43dc..1786d8a8e1 100644
--- a/meta/recipes-devtools/gcc/gcc-4.5.1.inc
+++ b/meta/recipes-devtools/gcc/gcc-4.5.1.inc
@@ -54,6 +54,7 @@ SRC_URI = "${GNU_MIRROR}/gcc/gcc-${PV}/gcc-${PV}.tar.bz2 \
 	   file://optional_libstdc.patch \
 	   file://disable_relax_pic_calls_flag.patch \
 	   file://gcc-poison-parameters.patch \
+	   file://GPLUSPLUS_INCLUDE_DIR_with_sysroot.patch \
 	  "
 	
 SRC_URI_append_sh3  = " file://sh3-installfix-fixheaders.patch;patch=1 "
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.1/GPLUSPLUS_INCLUDE_DIR_with_sysroot.patch b/meta/recipes-devtools/gcc/gcc-4.5.1/GPLUSPLUS_INCLUDE_DIR_with_sysroot.patch
new file mode 100644
index 0000000000..9ae01c3fc7
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.1/GPLUSPLUS_INCLUDE_DIR_with_sysroot.patch
@@ -0,0 +1,33 @@
+# by default c++ include directories are not relative to "--sysroot"
+# which brings one trouble when using the toolchain in an environment
+# where the build directory generating that toolchain doesn't exist,
+# e.g. in sstate, machine specific sysroot and relocatable SDK
+# toolchain. This patch now enables c++ include paths under sysroot.
+# This way it's enough as long as "--sysroot" is correctly enabled
+# in the new environment.
+#
+# Signed-off-by Kevin Tian <kevin.tian@intel.com>, 2010-12-30
+
+diff --git a/gcc/cppdefault.c b/gcc/cppdefault.c
+index 5024f48..9b47d1c 100644
+--- a/gcc/cppdefault.c
++++ b/gcc/cppdefault.c
+@@ -48,15 +48,15 @@ const struct default_include cpp_include_defaults[]
+ = {
+ #ifdef GPLUSPLUS_INCLUDE_DIR
+     /* Pick up GNU C++ generic include files.  */
+-    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, 0, 0 },
++    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, 1, 0 },
+ #endif
+ #ifdef GPLUSPLUS_TOOL_INCLUDE_DIR
+     /* Pick up GNU C++ target-dependent include files.  */
+-    { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, 0, 1 },
++    { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, 1, 1 },
+ #endif
+ #ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR
+     /* Pick up GNU C++ backward and deprecated include files.  */
+-    { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, 0, 0 },
++    { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, 1, 0 },
+ #endif
+ #ifdef LOCAL_INCLUDE_DIR
+     /* /usr/local/include comes before the fixincluded header files.  */
diff --git a/meta/recipes-devtools/gcc/gcc-configure-cross.inc b/meta/recipes-devtools/gcc/gcc-configure-cross.inc
index 3da92e24a1..04a8685358 100644
--- a/meta/recipes-devtools/gcc/gcc-configure-cross.inc
+++ b/meta/recipes-devtools/gcc/gcc-configure-cross.inc
@@ -5,7 +5,7 @@ USE_NLS = '${@base_conditional( "TARGET_OS", "linux-uclibc", "no", "", d )}'
 EXTRA_OECONF += " --enable-poison-system-directories "
 
 EXTRA_OECONF_PATHS = "--with-local-prefix=${STAGING_DIR_TARGET}${target_exec_prefix} \
-		      --with-gxx-include-dir=${STAGING_DIR_TARGET}/${target_includedir}/c++ \
+		      --with-gxx-include-dir=${target_includedir}/c++ \
                       --with-sysroot=${STAGING_DIR_TARGET} \
                       --with-build-sysroot=${STAGING_DIR_TARGET}"
 
diff --git a/meta/recipes-devtools/gcc/gcc-configure-sdk.inc b/meta/recipes-devtools/gcc/gcc-configure-sdk.inc
index 0eb33adda8..756e74e48d 100644
--- a/meta/recipes-devtools/gcc/gcc-configure-sdk.inc
+++ b/meta/recipes-devtools/gcc/gcc-configure-sdk.inc
@@ -5,7 +5,7 @@ USE_NLS = '${@base_conditional( "TARGET_OS", "linux-uclibc", "no", "", d )}'
 USE_NLS = '${@base_conditional( "TARGET_OS", "linux-uclibcgnueabi", "no", "", d )}'
 
 EXTRA_OECONF_PATHS = "--with-local-prefix=${SDKPATH}/sysroots/${TARGET_SYS}${target_exec_prefix} \
-                      --with-gxx-include-dir=${SDKPATH}/sysroots/${TARGET_SYS}${target_includedir}/c++ \
+                      --with-gxx-include-dir=${target_includedir}/c++ \
                       --with-build-time-tools=${STAGING_DIR_NATIVE}${prefix_native}/${TARGET_SYS}/bin \
                       --with-sysroot=${SDKPATH}/sysroots/${TARGET_SYS} \
                       --with-build-sysroot=${STAGING_DIR_TARGET}"
diff --git a/meta/recipes-devtools/gcc/gcc-cross-canadian_4.5.1.bb b/meta/recipes-devtools/gcc/gcc-cross-canadian_4.5.1.bb
index 98e239d92c..37c64fb4ee 100644
--- a/meta/recipes-devtools/gcc/gcc-cross-canadian_4.5.1.bb
+++ b/meta/recipes-devtools/gcc/gcc-cross-canadian_4.5.1.bb
@@ -5,7 +5,7 @@ require gcc-cross-canadian.inc
 require gcc-configure-sdk.inc
 require gcc-package-sdk.inc
 
-PR = "r1"
+PR = "r2"
 
 DEPENDS += "gmp-nativesdk mpfr-nativesdk libmpc-nativesdk elfutils-nativesdk"
 RDEPENDS_${PN} += "mpfr-nativesdk libmpc-nativesdk elfutils-nativesdk"
diff --git a/meta/recipes-devtools/gcc/gcc-cross-initial_4.5.1.bb b/meta/recipes-devtools/gcc/gcc-cross-initial_4.5.1.bb
index e3aea8b356..a121782233 100644
--- a/meta/recipes-devtools/gcc/gcc-cross-initial_4.5.1.bb
+++ b/meta/recipes-devtools/gcc/gcc-cross-initial_4.5.1.bb
@@ -1,5 +1,5 @@
 require gcc-cross_${PV}.bb
 require gcc-cross-initial.inc
 
-PR = "r0"
+PR = "r1"
 
diff --git a/meta/recipes-devtools/gcc/gcc-cross-intermediate_4.5.1.bb b/meta/recipes-devtools/gcc/gcc-cross-intermediate_4.5.1.bb
index 4cabe0eb4b..7aaa5b0512 100644
--- a/meta/recipes-devtools/gcc/gcc-cross-intermediate_4.5.1.bb
+++ b/meta/recipes-devtools/gcc/gcc-cross-intermediate_4.5.1.bb
@@ -1,4 +1,4 @@
 require gcc-cross_${PV}.bb
 require gcc-cross-intermediate.inc
-PR = "r0"
+PR = "r1"
 
diff --git a/meta/recipes-devtools/gcc/gcc-cross_4.5.1.bb b/meta/recipes-devtools/gcc/gcc-cross_4.5.1.bb
index 445869d1f5..b7e43285b2 100644
--- a/meta/recipes-devtools/gcc/gcc-cross_4.5.1.bb
+++ b/meta/recipes-devtools/gcc/gcc-cross_4.5.1.bb
@@ -1,4 +1,4 @@
-PR = "r0"
+PR = "r1"
 
 require gcc-${PV}.inc
 require gcc-cross4.inc
diff --git a/meta/recipes-devtools/gcc/gcc-crosssdk-initial_4.5.1.bb b/meta/recipes-devtools/gcc/gcc-crosssdk-initial_4.5.1.bb
index 22cb4904b7..0fc5faab3e 100644
--- a/meta/recipes-devtools/gcc/gcc-crosssdk-initial_4.5.1.bb
+++ b/meta/recipes-devtools/gcc/gcc-crosssdk-initial_4.5.1.bb
@@ -1,4 +1,4 @@
 require gcc-cross-initial_${PV}.bb
 require gcc-crosssdk-initial.inc
 
-PR = "r0"
+PR = "r1"
diff --git a/meta/recipes-devtools/gcc/gcc-crosssdk-intermediate_4.5.1.bb b/meta/recipes-devtools/gcc/gcc-crosssdk-intermediate_4.5.1.bb
index ba42ca0e5c..4260c358ad 100644
--- a/meta/recipes-devtools/gcc/gcc-crosssdk-intermediate_4.5.1.bb
+++ b/meta/recipes-devtools/gcc/gcc-crosssdk-intermediate_4.5.1.bb
@@ -1,4 +1,4 @@
 require gcc-cross-intermediate_${PV}.bb
 require gcc-crosssdk-intermediate.inc
 
-PR = "r0"
+PR = "r1"
diff --git a/meta/recipes-devtools/gcc/gcc-crosssdk_4.5.1.bb b/meta/recipes-devtools/gcc/gcc-crosssdk_4.5.1.bb
index 6f0a5406d0..a23a66258a 100644
--- a/meta/recipes-devtools/gcc/gcc-crosssdk_4.5.1.bb
+++ b/meta/recipes-devtools/gcc/gcc-crosssdk_4.5.1.bb
@@ -1,4 +1,4 @@
 require gcc-cross_${PV}.bb
 require gcc-crosssdk.inc
 
-PR = "r0"
+PR = "r1"
diff --git a/meta/recipes-devtools/gcc/gcc-runtime_4.5.1.bb b/meta/recipes-devtools/gcc/gcc-runtime_4.5.1.bb
index 4d2302d35b..ca22e8be38 100644
--- a/meta/recipes-devtools/gcc/gcc-runtime_4.5.1.bb
+++ b/meta/recipes-devtools/gcc/gcc-runtime_4.5.1.bb
@@ -1,4 +1,4 @@
-PR = "r0"
+PR = "r1"
 
 require gcc-${PV}.inc
 require gcc-configure-runtime.inc
diff --git a/meta/recipes-devtools/gcc/gcc_4.5.1.bb b/meta/recipes-devtools/gcc/gcc_4.5.1.bb
index 81c1fa9c2d..a21772ff5d 100644
--- a/meta/recipes-devtools/gcc/gcc_4.5.1.bb
+++ b/meta/recipes-devtools/gcc/gcc_4.5.1.bb
@@ -1,4 +1,4 @@
-PR = "r0"
+PR = "r1"
 require gcc-${PV}.inc
 require gcc-configure-target.inc
 require gcc-package-target.inc