build.sh

#!/bin/sh

git clone https://github.com/xiph/opus.git

CMAKE_PATH=/opt/android-sdk/cmake/3.10.2.4988404
NDK_PATH=/opt/android-sdk/ndk/21.3.6528147
API_LEVEL=21

for ABI in armeabi-v7a arm64-v8a x86 x86_64
do
  mkdir -p build-${ABI}
  pushd build-${ABI}
  ${CMAKE_PATH}/bin/cmake \
    -GNinja \
    -DBUILD_SHARED_LIBS=ON \
    -DANDROID_ABI=${ABI} \
    -DANDROID_NDK=${NDK_PATH} \
    -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=../lib/${ABI} \
    -DCMAKE_BUILD_TYPE=Debug  \
    -DCMAKE_TOOLCHAIN_FILE=${NDK_PATH}/build/cmake/android.toolchain.cmake \
    -DANDROID_NATIVE_API_LEVEL=${API_LEVEL} \
    ../opus
  ninja
  popd
done