#!/bin/sh

if [ -z "$ANDROID_NDK_HOME" ]; then
    echo "You should probably set ANDROID_NDK_HOME to the directory containing"
    echo "the Android NDK"
    exit
fi

if [ ! -f ./configure ]; then
	echo "Can't find ./configure. Wrong directory or haven't run autogen.sh?"
	exit 1
fi

if [[ -z $TARGET_ARCH ]] || [[ -z $HOST_COMPILER ]]; then
    echo "You shouldn't use android-build.sh directly, use android-[arch].sh instead"
    exit 1
fi

export MAKE_TOOLCHAIN="${ANDROID_NDK_HOME}/build/tools/make-standalone-toolchain.sh"

export PREFIX="$(pwd)/libsodium-android-${TARGET_ARCH}"
export TOOLCHAIN_DIR="$(pwd)/android-toolchain-${TARGET_ARCH}"
export PATH="${PATH}:${TOOLCHAIN_DIR}/bin"
export LIBTOOL_EXTRA_FLAGS="-avoid-version"

# Clean up before build
rm -rf "${TOOLCHAIN_DIR}" "${PREFIX}"

$MAKE_TOOLCHAIN --platform="${NDK_PLATFORM:-android-14}" \
                --arch="$TARGET_ARCH" \
                --install-dir="$TOOLCHAIN_DIR" && \

./configure --host="${HOST_COMPILER}" \
            --with-sysroot="${TOOLCHAIN_DIR}/sysroot" \
            --prefix="${PREFIX}" && \

make clean && \
make -j3 install && \
echo "libsodium has been installed into $PREFIX"