#!/bin/bash
# Cross-compile environment for Android on ARMv7
#
# Contents licensed under the terms of the OpenSSL license
# http://www.openssl.org/source/license.html
# Set ANDROID_NDK_ROOT to you NDK location. For example,
# /opt/android-ndk-r8e. This can be done in a login script. If
# ANDROID_NDK_ROOT is not specified, the script will try to pick it
# up with the value of _ANDROID_NDK_ROOT below. If ANDROID_NDK_ROOT
# is set, then the value is ignored.
_ANDROID_NDK="android-ndk-r9d"
# Set _ANDROID_EABI to the EABI you want to use. You can find the
# list in $ANDROID_NDK_ROOT/toolchains. This value is always used.
_ANDROID_EABI="arm-linux-androideabi-4.8"
# Set _ANDROID_API to the API you want to use. You should set it
# to one of: android-14, android-9, android-8, android-14, android-5
# android-4, or android-3. You can't set it to the latest (for
# example, API-17) because the NDK does not supply the platform. At
# Android 5.0, there will likely be another plaform added (android-18?).
# This value is always used.
_ANDROID_API="arm-v7"
#####################################################################
# If the user did not specify the NDK location, try and pick it up.
# We expect something like ANDROID_NDK_ROOT=/opt/android-ndk-r8e
ANDROID_NDK_ROOT=/home/dengjunxing/tools/NDK/android-ndk-r9d
if [ -z "$ANDROID_NDK_ROOT" ]; then
_ANDROID_NDK_ROOT=""
if [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "/usr/local/$_ANDROID_NDK" ]; then
_ANDROID_NDK_ROOT="/usr/local/$_ANDROID_NDK"
fi
if [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "/opt/$_ANDROID_NDK" ]; then
_ANDROID_NDK_ROOT="/opt/$_ANDROID_NDK"
fi
if [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "$HOME/$_ANDROID_NDK" ]; then
_ANDROID_NDK_ROOT="$HOME/$_ANDROID_NDK"
fi
if [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "$PWD/$_ANDROID_NDK" ]; then
_ANDROID_NDK_ROOT="$PWD/$_ANDROID_NDK"
fi
# If a path was set, then export it
if [ ! -z "$_ANDROID_NDK_ROOT" ] && [ -d "$_ANDROID_NDK_ROOT" ]; then
export ANDROID_NDK_ROOT="$_ANDROID_NDK_ROOT"
fi
fi
# Error checking
# ANDROID_NDK_ROOT should always be set by the user (even when not running this script)
# http://groups.google.com/group/android-ndk/browse_thread/thread/a998e139aca71d77
if [ -z "$ANDROID_NDK_ROOT" ] || [ ! -d "$ANDROID_NDK_ROOT" ]; then
echo "Error: ANDROID_NDK_ROOT is not a valid path. Please edit this script."
# echo "$ANDROID_NDK_ROOT"
# exit 1
fi
# Error checking
if [ ! -d "$ANDROID_NDK_ROOT/toolchains" ]; then
echo "Error: ANDROID_NDK_ROOT/toolchains is not a valid path. Please edit this script."
# echo "$ANDROID_NDK_ROOT/toolchains"
# exit 1
fi
# Error checking
if [ ! -d "$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI" ]; then
echo "Error: ANDROID_EABI is not a valid path. Please edit this script."
# echo "$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI"
# exit 1
fi
#####################################################################
# Based on ANDROID_NDK_ROOT, try and pick up the required toolchain. We expect something like:
# /opt/android-ndk-r83/toolchains/arm-linux-androideabi-4.7/prebuilt/linux-x86_64/bin
# Once we locate the toolchain, we add it to the PATH. Note: this is the 'hard way' of
# doing things according to the NDK documentation for Ice Cream Sandwich.
# https://android.googlesource.com/platform/ndk/+/ics-mr0/docs/STANDALONE-TOOLCHAIN.html
ANDROID_TOOLCHAIN="$ANDROID_NDK_ROOT/toolchains"
for host in "linux-x86_64" "linux-x86" "darwin-x86_64" "darwin-x86"
do
if [ -d "$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI/prebuilt/$host/bin" ]; then
ANDROID_TOOLCHAIN="$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI/prebuilt/$host/bin"
break
fi
done
# Error checking
if [ -z "$ANDROID_TOOLCHAIN" ] || [ ! -d "$ANDROID_TOOLCHAIN" ]; then
echo "Error: ANDROID_TOOLCHAIN is not valid. Please edit this script."
# echo "$ANDROID_TOOLCHAIN"
# exit 1
fi
# Error checking
if [ ! -e "$ANDROID_TOOLCHAIN/arm-linux-androideabi-gcc" ]; then
echo "Error: Failed to find Android gcc. Please edit this script."
# echo "$ANDROID_TOOLCHAIN/arm-linux-androideabi-gcc"
# exit 1
fi
# Error checking
if [ ! -e "$ANDROID_TOOLCHAIN/arm-linux-androideabi-ranlib" ]; then
echo "Error: Failed to find Android ranlib. Please edit this script."
# echo "$ANDROID_TOOLCHAIN/arm-linux-androideabi-ranlib"
# exit 1
fi
# Only modify/export PATH if ANDROID_TOOLCHAIN good
if [ ! -z "$ANDROID_TOOLCHAIN" ]; then
export ANDROID_TOOLCHAIN="$ANDROID_TOOLCHAIN"
export PATH="$ANDROID_TOOLCHAIN":"$PATH"
fi
#####################################################################
# For the Android SYSROOT. Can be used on the command line with --sysroot
# https://android.googlesource.com/platform/ndk/+/ics-mr0/docs/STANDALONE-TOOLCHAIN.html
export ANDROID_SYSROOT="$ANDROID_NDK_ROOT/platforms/$_ANDROID_API/arch-arm"
export SYSROOT="$ANDROID_SYSROOT"
export NDK_SYSROOT="$ANDROID_SYSROOT"
# Error checking
if [ -z "$ANDROID_SYSROOT" ] || [ ! -d "$ANDROID_SYSROOT" ]; then
echo "Error: ANDROID_SYSROOT is not valid. Please edit this script."
# echo "$ANDROID_SYSROOT"
# exit 1
fi
#####################################################################
# If the user did not specify the FIPS_SIG location, try and pick it up
# If the user specified a bad location, then try and pick it up too.
if [ -z "$FIPS_SIG" ] || [ ! -e "$FIPS_SIG" ]; then
# Try and locate it
_FIPS_SIG=""
if [ -d "/usr/local/ssl/$_ANDROID_API" ]; then
_FIPS_SIG=`find "/usr/local/ssl/$_ANDROID_API" -name incore`
fi
if [ ! -e "$_FIPS_SIG" ]; then
_FIPS_SIG=`find $PWD -name incore`
fi
# If a path was set, then export it
if [ ! -z "$_FIPS_SIG" ] && [ -e "$_FIPS_SIG" ]; then
export FIPS_SIG="$_FIPS_SIG"
fi
fi
# Error checking
if [ -z "$FIPS_SIG" ] || [ ! -e "$FIPS_SIG" ]; then
echo "Error: FIPS_SIG does not specify incore module. Please edit this script."
# echo "$FIPS_SIG"
# exit 1
fi
#####################################################################
# Most of these should be OK (MACHINE, SYSTEM, ARCH). RELEASE is ignored.
export MACHINE=armv7
export RELEASE=2.6.37
export SYSTEM=android
export ARCH=arm
# For the Android toolchain
# https://android.googlesource.com/platform/ndk/+/ics-mr0/docs/STANDALONE-TOOLCHAIN.html
export ANDROID_SYSROOT="$ANDROID_NDK_ROOT/platforms/$_ANDROID_API/arch-arm"
export SYSROOT="$ANDROID_SYSROOT"
export NDK_SYSROOT="$ANDROID_SYSROOT"
export ANDROID_NDK_SYSROOT="$ANDROID_SYSROOT"
export ANDROID_API="$_ANDROID_API"
# CROSS_COMPILE and ANDROID_DEV are DFW (Don't Fiddle With). Its used by OpenSSL build system.
export CROSS_COMPILE="arm-linux-androideabi-"
export ANDROID_DEV="$ANDROID_NDK_ROOT/platforms/$_ANDROID_API/arch-arm/usr"
export HOSTCC=gcc
VERBOSE=1
if [ ! -z "$VERBOSE" ] && [ "$VERBOSE" != "0" ]; then
echo "ANDROID_NDK_ROOT: $ANDROID_NDK_ROOT"
echo "ANDROID_EABI: $_ANDROID_EABI"
echo "ANDROID_API: $ANDROID_API"
echo "ANDROID_SYSROOT: $ANDROID_SYSROOT"
echo "ANDROID_TOOLCHAIN: $ANDROID_TOOLCHAIN"
echo "FIPS_SIG: $FIPS_SIG"
echo "CROSS_COMPILE: $CROSS_COMPILE"
echo "ANDROID_DEV: $ANDROID_DEV"
fi
export CROSS_SYSROOT="$ANDROID_SYSROOT"
export NDK_TOOLCHAIN_BASENAME="$ANDROID_TOOLCHAIN/arm-linux-androideabi"
export LD="$NDK_TOOLCHAIN_BASENAME-ld"
