linux-3.0: Fix perf compile failure with eglibc 2.15

There is a conflict with eglibc headers since
new headers added the defines that compiler.h
was redefining without undefining them

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Acked-by: Denys Dmytriyenko <denys@ti.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

3 files changed, 35 insertions, 2 deletions

diff --git a/recipes-kernel/linux/linux-3.0/misc/0001-compiler.h-Undef-before-redefining-__attribute_const.patch b/recipes-kernel/linux/linux-3.0/misc/0001-compiler.h-Undef-before-redefining-__attribute_const.patch
new file mode 100644
index 00000000..bf2f6e77
--- /dev/null
+++ b/recipes-kernel/linux/linux-3.0/misc/0001-compiler.h-Undef-before-redefining-__attribute_const.patch
@@ -0,0 +1,31 @@
+From 6f92ab6de9d8daeb575949bbbcbc7bcdcebc60af Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Thu, 5 Jan 2012 11:42:35 -0800
+Subject: [PATCH] compiler.h: Undef before redefining __attribute_const__
+
+This is required to avoid warnings like
+util/include/linux/compiler.h:8:0: error: "__attribute_const__" redefined [-Werror]
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+Upstream-Status: Pending
+
+---
+ tools/perf/util/include/linux/compiler.h |    4 +++-
+ 1 files changed, 3 insertions(+), 1 deletions(-)
+
+--- a/tools/perf/util/include/linux/compiler.h
++++ b/tools/perf/util/include/linux/compiler.h
+@@ -4,9 +4,11 @@
+ #ifndef __always_inline
+ #define __always_inline        inline
+ #endif
++#undef __user
+ #define __user
++#undef __attribute_const__
+ #define __attribute_const__
+-
++#undef __used
+ #define __used         __attribute__((__unused__))
+ 
+ #endif
diff --git a/recipes-kernel/linux/linux-3.0/patch.sh b/recipes-kernel/linux/linux-3.0/patch.sh
index 885db093..dc19a9e5 100755
--- a/recipes-kernel/linux/linux-3.0/patch.sh
+++ b/recipes-kernel/linux/linux-3.0/patch.sh
@@ -13,7 +13,7 @@ git reset --hard ${TAG}
 rm export -rf
 
 previous=${TAG}
-PATCHSET="pm-wip/voltdm pm-wip/cpufreq beagle madc sakoman sgx ulcd omap4"
+PATCHSET="pm-wip/voltdm pm-wip/cpufreq beagle madc sakoman sgx ulcd omap4 misc"
 
 # apply patches
 for patchset in ${PATCHSET} ; do
diff --git a/recipes-kernel/linux/linux_3.0.bb b/recipes-kernel/linux/linux_3.0.bb
index 27963048..70ca7cc9 100644
--- a/recipes-kernel/linux/linux_3.0.bb
+++ b/recipes-kernel/linux/linux_3.0.bb
@@ -10,7 +10,7 @@ PV = "3.0.17"
 SRCREV_pn-${PN} = "e9d23be2708477feeaec78e707c80441520c1ef6"
 
 # The main PR is now using MACHINE_KERNEL_PR, for omap3 see conf/machine/include/omap3.inc
-MACHINE_KERNEL_PR_append = "a"
+MACHINE_KERNEL_PR_append = "b"
 
 FILESPATH =. "${FILE_DIRNAME}/linux-3.0:${FILE_DIRNAME}/linux-3.0/${MACHINE}:"
 
@@ -221,6 +221,8 @@ SRC_URI += "git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.gi
             \
             file://omap4/0001-OMAP-Fix-linking-error-in-twl-common.c-for-OMAP2-3-4.patch \
             \
+            file://misc/0001-compiler.h-Undef-before-redefining-__attribute_const.patch \
+            \
             file://defconfig"
 
 SRC_URI_append_beagleboard = " file://logo_linux_clut224.ppm \