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[build] use system-provided Android NDK when available
and fall back to Mason if it isn't
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| #!/usr/bin/env bash | ||
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| set -e | ||
| set -o pipefail | ||
| set -u | ||
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| # This script produces an env.sh file, which contains the paths to CMake, and the flags required to | ||
| # create a build. It first tries to use the Android NDK, but falls back to installing it via Mason. | ||
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| function error { >&2 echo -e "\033[1m\033[31m$@\033[0m"; } | ||
| function warning { >&2 echo -e "\033[1m\033[33m$@\033[0m"; } | ||
| function status { >&2 echo -e "\033[1m\033[36m$@\033[0m"; } | ||
| function info { >&2 echo -e "\033[1m\033[32m$@\033[0m"; } | ||
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| if [ "$#" -ne 3 ]; then | ||
| error "Usage: $0 <short arch> <long arch> <api level>" | ||
| fi | ||
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| NDK_ANDROID_VERSION=$1-$3 | ||
| ANDROID_NATIVE_API_LEVEL=$3 | ||
| ANDROID_ABI=$2 | ||
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| function mason_ndk { | ||
| local CMAKE=${CMAKE:-cmake} | ||
| MASON_XC_ROOT="`${CMAKE} -P cmake/mason.cmake PREFIX android-ndk VERSION ${NDK_ANDROID_VERSION}-r13b`" | ||
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| local TOOLCHAIN="${MASON_XC_ROOT}/toolchain.cmake" | ||
| if [ ! -f "${TOOLCHAIN}" ]; then | ||
| error "Can't find CMake toolchain file at ${TOOLCHAIN}." | ||
| exit 1 | ||
| fi | ||
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| info "Using Mason-provided Android NDK at ${MASON_XC_ROOT}" | ||
| echo CMAKE=\"${CMAKE}\" | ||
| echo CMAKE_GENERATOR=\"Ninja\" | ||
| echo CMAKE_ARGS=\" \ | ||
| -DCMAKE_MAKE_PROGRAM=`pwd`/${NINJA} \ | ||
| -DMASON_XC_ROOT=${MASON_XC_ROOT} \ | ||
| -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN} \ | ||
| \" | ||
| } | ||
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| function system_ndk { | ||
| if [[ ${USE_MASON_NDK:-} ]]; then | ||
| return 1 | ||
| fi | ||
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| if [ -f platform/android/local.properties ]; then | ||
| local SDK_DIR=$(sed -n -e 's/^sdk.dir=\(.*\)$/\1/p' platform/android/local.properties) | ||
| fi | ||
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| if [ ! -d "${SDK_DIR:-}" ]; then | ||
| if [ ! -z "${ANDROID_HOME:-}" ]; then | ||
| local SDK_DIR="${ANDROID_HOME}" | ||
| else | ||
| error "Can't find the Android SDK. Set \$ANDROID_HOME to the SDK path." | ||
| exit 1 | ||
| fi | ||
| fi | ||
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| local NDK_DIR="${ANDROID_NDK_HOME:-${SDK_DIR}/ndk-bundle}" | ||
| if [ ! -d "${NDK_DIR}" ]; then | ||
| warning "Can't find the Android NDK. If it is installed, set \$ANDROID_NDK_HOME to the NDK path." | ||
| return 1 | ||
| fi | ||
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| # Try to install CMake if it's not installed yet. | ||
| mkdir -p "${SDK_DIR}/cmake" | ||
| local CMAKE_VERSION=/$(ls "${SDK_DIR}/cmake" | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n | tail -n 1) | ||
| local CMAKE="${SDK_DIR}/cmake${CMAKE_VERSION:-}/bin/cmake" | ||
| if [ ! -f "${CMAKE}" ]; then | ||
| status "Trying to install CMake..." | ||
| mkdir -p "${SDK_DIR}/licenses" | ||
| echo "8933bad161af4178b1185d1a37fbf41ea5269c55" > "${SDK_DIR}/licenses/android-sdk-license" | ||
| "${SDK_DIR}/tools/bin/sdkmanager" --list | grep cmake | tail -n 1 | cut -d \| -f 1 | xargs "${SDK_DIR}/tools/bin/sdkmanager" >&2 | ||
| CMAKE_VERSION=/$(ls "${SDK_DIR}/cmake" | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n | tail -n 1) | ||
| CMAKE="${SDK_DIR}/cmake${CMAKE_VERSION:-}/bin/cmake" | ||
| if [ ! -f "${CMAKE}" ]; then | ||
| error "Can't find CMake at ${CMAKE}." | ||
| return 1 | ||
| fi | ||
| fi | ||
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| local NINJA="${SDK_DIR}/cmake${CMAKE_VERSION:-}/bin/ninja" | ||
| if [ ! -f "${NINJA}" ]; then | ||
| error "Can't find Ninja at ${NINJA}." | ||
| return 1 | ||
| fi | ||
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| local TOOLCHAIN="${NDK_DIR}/build/cmake/android.toolchain.cmake" | ||
| if [ ! -f "${TOOLCHAIN}" ]; then | ||
| error "Can't find CMake toolchain file at ${TOOLCHAIN}." | ||
| return 1 | ||
| fi | ||
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| info "Using system-provided Android NDK at ${NDK_DIR}" | ||
| echo CMAKE=\"${CMAKE}\" | ||
| echo CMAKE_GENERATOR=\"Android Gradle - Ninja\" | ||
| echo CMAKE_ARGS=\" \ | ||
| -DANDROID_ABI=${ANDROID_ABI} \ | ||
| -DANDROID_NDK=${NDK_DIR} \ | ||
| -DCMAKE_MAKE_PROGRAM=${NINJA} \ | ||
| -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN} \ | ||
| -DANDROID_NATIVE_API_LEVEL=${ANDROID_NATIVE_API_LEVEL} \ | ||
| -DANDROID_TOOLCHAIN=clang \ | ||
| -DANDROID_STL=c++_static \ | ||
| -DANDROID_CPP_FEATURES=rtti\;exceptions \ | ||
| \" | ||
| } | ||
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| system_ndk || mason_ndk |