109 lines
3.6 KiB
Bash
Executable File
109 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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if [ -z "${ANDROID_NDK_HOME}" ]; then
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echo "Please set ANDROID_NDK_HOME environment variable"
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exit 1
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fi
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MODULE_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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PROJECT_DIR="${MODULE_DIR}/.."
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MIN_SDK=$(grep "minSdkVersion" "${PROJECT_DIR}/app/build.gradle" -m 1 | awk '{print $2}')
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# Use seperate build dir so standalone ndk isn't deleted by `gradle clean`
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BUILD_DIR="${MODULE_DIR}/gobuild"
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GO_BUILD_DIR="${BUILD_DIR}/go-packages"
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export GOPATH="${MODULE_DIR}/"
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if [ "${OSTYPE}" = "cygwin" ]; then
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export GOPATH=`cygpath -w ${GOPATH}`
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GO_BUILD_DIR=`cygpath -w ${GO_BUILD_DIR}`
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fi
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cd "${MODULE_DIR}/src/github.com/syncthing/syncthing"
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# Make sure all tags are available for git describe
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# https://github.com/syncthing/syncthing-android/issues/872
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git fetch --tags
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for ANDROID_ARCH in arm x86 arm64; do
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echo -e "Starting build for ${ANDROID_ARCH}\n"
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case ${ANDROID_ARCH} in
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arm)
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GOARCH=arm
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JNI_DIR="armeabi"
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GCC="arm-linux-androideabi-clang"
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;;
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arm64)
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GOARCH=arm64
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JNI_DIR="arm64-v8a"
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GCC="aarch64-linux-android-clang"
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# arm64 requires at least API 21.
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MIN_SDK=21
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;;
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x86)
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GOARCH=386
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JNI_DIR="x86"
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GCC="i686-linux-android-clang"
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;;
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*)
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echo "Invalid architecture"
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exit 1
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esac
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if [ -z "${SYNCTHING_ANDROID_PREBUILT}" ]; then
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# Build standalone NDK toolchain if it doesn't exist.
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# https://developer.android.com/ndk/guides/standalone_toolchain.html
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STANDALONE_NDK_DIR="${BUILD_DIR}/standalone-ndk/android-${MIN_SDK}-${GOARCH}"
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PKG_ARGUMENT="-pkgdir ${GO_BUILD_DIR}"
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else
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# The environment variable indicates the SDK and stdlib was prebuilt, set a custom paths.
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STANDALONE_NDK_DIR="${ANDROID_NDK_HOME}/standalone-ndk/android-${MIN_SDK}-${GOARCH}"
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PKG_ARGUMENT=""
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fi
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if [ ! -d "$STANDALONE_NDK_DIR" ]; then
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if ! which python &>/dev/null; then
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echo "Could not find python"
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exit 1
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fi
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# We can't build the NDK with Cygwin/MinGW provided python, check that python is reporting a sensible host system.
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# Also, strip \r as that is returned by Windows python.
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HOST_PLATFORM=`python -c 'import platform; print platform.system()' | tr -d '\r'`
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case ${HOST_PLATFORM} in
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Windows|Linux|Darwin)
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;;
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*)
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echo "Cannot build NDK with Python provided by an unsupported system: ${HOST_PLATFORM}"
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echo "Please make sure that python that is available on the path is native to your host platform (Windows/Linux/Darwin)"
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exit 1
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;;
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esac
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if [ "${OSTYPE}" = "cygwin" ]; then
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STANDALONE_NDK_DIR=`cygpath -w ${STANDALONE_NDK_DIR}`
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fi
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echo -e "Building standalone NDK\n"
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${ANDROID_NDK_HOME}/build/tools/make-standalone-toolchain.sh \
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--platform=android-${MIN_SDK} --arch=${ANDROID_ARCH} \
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--install-dir=${STANDALONE_NDK_DIR}
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fi
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echo -e "Building Syncthing\n"
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CGO_ENABLED=1 CC="${STANDALONE_NDK_DIR}/bin/${GCC}" \
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go run build.go -goos android -goarch ${GOARCH} $PKG_ARGUMENT -no-upgrade build
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# Copy compiled binary to jniLibs folder
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TARGET_DIR="${PROJECT_DIR}/app/src/main/jniLibs/${JNI_DIR}"
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mkdir -p ${TARGET_DIR}
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mv syncthing ${TARGET_DIR}/libsyncthing.so
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echo -e "Finished build for ${ANDROID_ARCH}\n"
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done
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echo -e "All builds finished"
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