#!/bin/bash
set -e
set -x

# Set directory
SCRIPTPATH=`realpath .`
export ANDROID_NDK_HOME=$SCRIPTPATH/android-ndk-r20b
OPENSSL_DIR=$SCRIPTPATH/openssl-1.1.1g

# Find the toolchain for your build machine
toolchains_path=$(python toolchains_path.py --ndk ${ANDROID_NDK_HOME})
export TOOLCHAIN=$(python toolchains_path.py --ndk ${ANDROID_NDK_HOME})

# Only choose one of these, depending on your device...
#export TARGET=aarch64-linux-android
export TARGET=armv7a-linux-androideabi
#export TARGET=i686-linux-android
#export TARGET=x86_64-linux-android
# Set this to your minSdkVersion.
ANDROID_API=19
export API=$ANDROID_API

# Configure and build.
export AR=$TOOLCHAIN/bin/llvm-ar
export CC=$TOOLCHAIN/bin/$TARGET$API-clang
export AS=$CC
export CXX=$TOOLCHAIN/bin/$TARGET$API-clang++
export LD=$TOOLCHAIN/bin/ld
export RANLIB=$TOOLCHAIN/bin/llvm-ranlib
export STRIP=$TOOLCHAIN/bin/llvm-strip

# Add toolchains bin directory to PATH
PATH=$toolchains_path/bin:$PATH


# Set the target architecture
# Can be android-arm, android-arm64, android-x86, android-x86 etc
architecture=android-arm
OUTPUT=$SCRIPTPATH/output/openssl-1.1.1g/$TARGET/
mkdir -p $OUTPUT


# Create the make file
cd ${OPENSSL_DIR}
./Configure ${architecture} -D__ANDROID_API__=$ANDROID_API -O2  -DANDROID --prefix=$OUTPUT -fPIC -shared

sed -i '/SHLIB_EXT=.so.$(SHLIB_VERSION_NUMBER)/c\SHLIB_EXT=.so' Makefile
# Build
make clean
make SHLIB_EXT=.so
make install