Android_Build

Instructions to build android-5.0.0_r2.0.1 and goldfish3.4

Build android

please find the offical instruction here: https://source.android.com/setup/build/downloading

• repo init -u https://android.googlesource.com/platform/manifest -b android-5.0.0_r2.0.1
• repo sync -f
• make clobber
• source ./build/envsetup.sh
• lunch aosp_eng
• make -j4

Build goldfish

• Clone goldfish
  git clone http://android.googlesource.com/kernel/goldfish.git
$cd goldfish
$git branch -a //check all branch
$git checkout remotes/origin/android-goldfish-3.4
• Compile goldfish
  $export PATH=$PATH:~/WORKING_DIRECTORY/prebuilts/gcc/linux-x86/arm/arm-eabi-4.8/bin (replace the address accordingly)
$export ARCH=arm
$export SUBARCH=arm
$export CROSS_COMPILE=arm-eabi-
$cd /path/to/android/source/code
$source ./build/envsetup.sh
$lunch aosp_eng
$cd /path/to/goldfish
$make goldfish_armv7_defconfig
$make

Troubleshooting common android build errors:

• For android-5.0.0, do the following steps before make
  rm -rf ~/<android_art_source>/out
cp /usr/bin/ld.gold ~/<android_art_source>prebuilts/gcc/Linux-x86/host/x86_64-linux-glibc2.11-4.6/x86_64-linux/bin/ld
make update-api
• patching build/core/clang/HOST_x86_common.mk
  ifeq ($(HOST_OS),linux)
CLANG_CONFIG_x86_LINUX_HOST_EXTRA_ASFLAGS := \
--gcc-toolchain=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG) \
- --sysroot=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot
+ --sysroot=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
+ -B$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/bin