From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932924AbcGEAjv (ORCPT ); Mon, 4 Jul 2016 20:39:51 -0400 Received: from merlin.infradead.org ([205.233.59.134]:60523 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753476AbcGEAip (ORCPT ); Mon, 4 Jul 2016 20:38:45 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Chris Phlipot , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 15/16] perf tools: Update android build documentation Date: Mon, 4 Jul 2016 21:38:34 -0300 Message-Id: <1467679115-20496-16-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1467679115-20496-1-git-send-email-acme@kernel.org> References: <1467679115-20496-1-git-send-email-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chris Phlipot Update the android build documentation according to recent android build fixes. The instructions for step 1a and step 2 were updated to work with NDK version 11(oldest supported version) and NDK version 12(current version). Signed-off-by: Chris Phlipot Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1467349955-1135-5-git-send-email-cphlipot0@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/android.txt | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/tools/perf/Documentation/android.txt b/tools/perf/Documentation/android.txt index 8484c3a04a6a..24a59998fc91 100644 --- a/tools/perf/Documentation/android.txt +++ b/tools/perf/Documentation/android.txt @@ -12,14 +12,14 @@ Set the NDK variable to point to the path where you installed the NDK: 2. Set cross-compiling environment variables for NDK toolchain and sysroot. For arm: - export NDK_TOOLCHAIN=${NDK}/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/bin/arm-linux-androideabi- - export NDK_SYSROOT=${NDK}/platforms/android-9/arch-arm + export NDK_TOOLCHAIN=${NDK}/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi- + export NDK_SYSROOT=${NDK}/platforms/android-24/arch-arm For x86: - export NDK_TOOLCHAIN=${NDK}/toolchains/x86-4.6/prebuilt/linux-x86/bin/i686-linux-android- - export NDK_SYSROOT=${NDK}/platforms/android-9/arch-x86 + export NDK_TOOLCHAIN=${NDK}/toolchains/x86-4.9/prebuilt/linux-x86_64/bin/i686-linux-android- + export NDK_SYSROOT=${NDK}/platforms/android-24/arch-x86 -This method is not working for Android NDK versions up to Revision 8b. -perf uses some bionic enhancements that are not included in these NDK versions. +This method is only tested for Android NDK versions Revision 11b and later. +perf uses some bionic enhancements that are not included in prior NDK versions. You can use method (b) described below instead. (b). Use the Android source tree @@ -49,9 +49,9 @@ II. Compile perf for Android ------------------------------------------------ You need to run make with the NDK toolchain and sysroot defined above: For arm: - make ARCH=arm CROSS_COMPILE=${NDK_TOOLCHAIN} CFLAGS="--sysroot=${NDK_SYSROOT}" + make WERROR=0 ARCH=arm CROSS_COMPILE=${NDK_TOOLCHAIN} EXTRA_CFLAGS="-pie --sysroot=${NDK_SYSROOT}" For x86: - make ARCH=x86 CROSS_COMPILE=${NDK_TOOLCHAIN} CFLAGS="--sysroot=${NDK_SYSROOT}" + make WERROR=0 ARCH=x86 CROSS_COMPILE=${NDK_TOOLCHAIN} EXTRA_CFLAGS="-pie --sysroot=${NDK_SYSROOT}" III. Install perf ----------------------------------------------- -- 2.7.4