gcc/collect2: Added --sysroot support into collect2 in gcc.

[YOCTO #815] Added --sysroot into COLLECT_GCC_OPTIONS to allow the
collect2 support user specifed sysroot.

(From OE-Core rev: 868f8d3dd04e3c6dbbce154742cf877fda460a3e)

Signed-off-by: Lianhao Lu <lianhao.lu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/gcc/gcc-4.5.1.inc

@@ -56,6 +56,7 @@ SRC_URI = "${GNU_MIRROR}/gcc/gcc-${PV}/gcc-${PV}.tar.bz2 \
 	   file://disable_relax_pic_calls_flag.patch \
 	   file://gcc-poison-parameters.patch \
 	   file://GPLUSPLUS_INCLUDE_DIR_with_sysroot.patch \
+	   file://COLLECT_GCC_OPTIONS.patch \
 	  "
 	
 SRC_URI_append_sh3  = " file://sh3-installfix-fixheaders.patch;patch=1 "

meta/recipes-devtools/gcc/gcc-4.5.1/COLLECT_GCC_OPTIONS.patch

@@ -0,0 +1,22 @@
+#This patck added --sysroot into COLLECT_GCC_OPTIONS which is used to
+#invoke collect2.
+
+diff -ruN gcc-4.5.1.orig/gcc/gcc.c gcc-4.5.1/gcc/gcc.c
+--- gcc-4.5.1.orig/gcc/gcc.c	2011-03-09 16:43:39.127752586 +0800
++++ gcc-4.5.1/gcc/gcc.c	2011-03-09 16:47:15.894929459 +0800
+@@ -4667,6 +4667,15 @@
+ 		sizeof ("COLLECT_GCC_OPTIONS=") - 1);
+ 
+   first_time = TRUE;
++#ifdef HAVE_LD_SYSROOT
++  if (target_system_root_changed && target_system_root)
++    {
++      obstack_grow (&collect_obstack, "'--sysroot=", sizeof("'--sysroot=")-1);
++      obstack_grow (&collect_obstack, target_system_root,strlen(target_system_root));
++      obstack_grow (&collect_obstack, "'", 1);
++      first_time = FALSE;
++    }
++#endif
+   for (i = 0; (int) i < n_switches; i++)
+     {
+       const char *const *args;

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 = "r3"
+PR = "r4"
 
 DEPENDS += "gmp-nativesdk mpfr-nativesdk libmpc-nativesdk elfutils-nativesdk"
 RDEPENDS_${PN} += "mpfr-nativesdk libmpc-nativesdk elfutils-nativesdk"

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 = "r3"
+PR = "r4"
 

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 = "r4"
+PR = "r5"
 

meta/recipes-devtools/gcc/gcc-cross_4.5.1.bb

@@ -1,4 +1,4 @@
-PR = "r3"
+PR = "r4"
 
 require gcc-${PV}.inc
 require gcc-cross4.inc

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 = "r3"
+PR = "r4"

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 = "r3"
+PR = "r4"

meta/recipes-devtools/gcc/gcc-crosssdk_4.5.1.bb

@@ -1,4 +1,4 @@
 require gcc-cross_${PV}.bb
 require gcc-crosssdk.inc
 
-PR = "r3"
+PR = "r4"

meta/recipes-devtools/gcc/gcc_4.5.1.bb

@@ -1,4 +1,4 @@
-PR = "r3"
+PR = "r4"
 require gcc-${PV}.inc
 require gcc-configure-target.inc
 require gcc-package-target.inc