Appendix B: Example CMakeLists.txt

#
# Copyright (C) The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

cmake_minimum_required(VERSION 3.4.1)

# configure import libs

# build native_app_glue as a static lib
add_library(native_app_glue STATIC
${ANDROID_NDK}/sources/android/native_app_glue/android_native_app_glue.c)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11 -Wall -fno-exceptions -fno-rtti")

# build the ndk-helper library
set(ndk_helper_dir ../../../../common/ndk_helper)
add_subdirectory(${ndk_helper_dir} ndk_helper)

# Export ANativeActivity_onCreate(),
# Refer to: https://github.com/android-ndk/ndk/issues/381.
set(CMAKE_SHARED_LINKER_FLAGS
"${CMAKE_SHARED_LINKER_FLAGS} -u ANativeActivity_onCreate")

# now build app's shared lib
add_library(MoreTeapotsNativeActivity SHARED
LeiaJNIDisplayParameters.cpp
MoreTeapotsNativeActivity.cpp

MoreTeapotsRenderer.cpp)

target_include_directories(MoreTeapotsNativeActivity PRIVATE
${ANDROID_NDK}/sources/android/cpufeatures
${ANDROID_NDK}/sources/android/native_app_glue
${ndk_helper_dir})

# add lib dependencies
target_link_libraries(MoreTeapotsNativeActivity
android
native_app_glue
atomic
EGL
GLESv2
log
ndk-helper)

set(distribution_DIR ${CMAKE_SOURCE_DIR}/../../../../distribution)
add_library(lib_leia_sdk STATIC IMPORTED)
set_target_properties(lib_leia_sdk PROPERTIES IMPORTED_LOCATION
${distribution_DIR}/leia_sdk/lib/${ANDROID_ABI}/libleiasdk.so)
target_include_directories(MoreTeapotsNativeActivity PRIVATE
${distribution_DIR}/leia_sdk/include)
target_link_libraries(MoreTeapotsNativeActivity
lib_leia_sdk)