From 248df9fc205ea40b771f90f7b31be3974cf7a734 Mon Sep 17 00:00:00 2001
From: Stephan Raue <stephan@openelec.tv>
Date: Tue, 5 Mar 2013 14:05:38 +0100
Subject: [PATCH] linux: build and install 'perf' on development builds

Signed-off-by: Stephan Raue <stephan@openelec.tv>
---
 packages/linux/build   | 24 ++++++++++++++++++++++++
 packages/linux/install |  9 +++++++++
 packages/linux/meta    |  7 ++++++-
 3 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/packages/linux/build b/packages/linux/build
index 25f321a0c9..eec15af69f 100755
--- a/packages/linux/build
+++ b/packages/linux/build
@@ -65,3 +65,27 @@ LDFLAGS="" make $KERNEL_IMAGE
        DEBUG=false \
        NLS=false \
 )
+
+if [ "$DEVTOOLS" = yes ]; then
+  ( cd tools/perf
+
+    # dont use some optimizations because of build problems
+      LDFLAGS=`echo $LDFLAGS | sed -e "s|-Wl,--as-needed||"`
+
+    export FLAGSGLIBC="$CFLAGS -I$SYSROOT_PREFIX/usr/include"
+    export CFLAGS="$CFLAGS -I$SYSROOT_PREFIX/usr/include"
+    export LDFLAGS="$LDFLAGS -L$SYSROOT_PREFIX/lib -L$SYSROOT_PREFIX/usr/lib"
+
+    make CROSS_COMPILE="$TARGET_PREFIX" \
+         V=1 \
+         DEBUG=false \
+         NLS=false \
+         NO_GTK2=true \
+         NO_LIBELF=true \
+         NO_LIBPERL=true \
+         NO_LIBPYTHON=false \
+         PYTHON=$SYSROOT_PREFIX/usr/bin/python \
+         WERROR=0 \
+  )
+fi
+
diff --git a/packages/linux/install b/packages/linux/install
index be498fcf1e..d8287358a0 100755
--- a/packages/linux/install
+++ b/packages/linux/install
@@ -46,3 +46,12 @@ mkdir -p $INSTALL/usr/lib
 
 mkdir -p $INSTALL/usr/bin
   cp -P $PKG_BUILD/tools/power/cpupower/cpupower $INSTALL/usr/bin
+
+if [ "$DEVTOOLS" = "yes" ]; then
+  mkdir -p $INSTALL/usr/bin
+    cp -P $PKG_BUILD/tools/perf/perf $INSTALL/usr/bin/
+
+  mkdir -p $INSTALL/usr/libexec/perf-core/scripts/python/
+    cp -P $PKG_BUILD/tools/perf/perf-archive $INSTALL/usr/libexec/perf-core/
+    cp -rP $PKG_BUILD/tools/perf/scripts/python/* $INSTALL/usr/libexec/perf-core/scripts/python/
+fi
diff --git a/packages/linux/meta b/packages/linux/meta
index 42bee3e347..cdd8b787e2 100644
--- a/packages/linux/meta
+++ b/packages/linux/meta
@@ -26,7 +26,7 @@ PKG_LICENSE="GPL"
 PKG_SITE="http://www.kernel.org"
 PKG_URL="http://www.kernel.org/pub/linux/kernel/v3.x/$PKG_NAME-$PKG_VERSION.tar.xz"
 PKG_DEPENDS="busybox linux-drivers linux-firmware pciutils $BOOTLOADER"
-PKG_BUILD_DEPENDS="toolchain module-init-tools xz cpio pciutils"
+PKG_BUILD_DEPENDS="toolchain cpio module-init-tools pciutils xz"
 PKG_PRIORITY="optional"
 PKG_SECTION="linux"
 PKG_SHORTDESC="linux26: The Linux kernel 2.6 precompiled kernel binary image and modules"
@@ -44,3 +44,8 @@ if [ "$LINUX" = "ti-omap4" ]; then
   PKG_VERSION="2.6.38-ti-omap4"
   PKG_URL="$DISTRO_SRC/$PKG_NAME-$PKG_VERSION.tar.bz2"
 fi
+
+if [ "$DEVTOOLS" = "yes" ]; then
+  PKG_DEPENDS="$PKG_DEPENDS newt"
+  PKG_BUILD_DEPENDS="$PKG_BUILD_DEPENDS newt"
+fi