FreeBSD/Linux Kernel Cross Reference
sys/contrib/libsodium/dist-build/android-build.sh

     #! /bin/sh
     
     if [ -z "$NDK_PLATFORM" ]; then
       export NDK_PLATFORM="android-16"
     fi
     export NDK_PLATFORM_COMPAT="${NDK_PLATFORM_COMPAT:-${NDK_PLATFORM}}"
     export NDK_API_VERSION=$(echo "$NDK_PLATFORM" | sed 's/^android-//')
     export NDK_API_VERSION_COMPAT=$(echo "$NDK_PLATFORM_COMPAT" | sed 's/^android-//')
     
    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?" >&2
      exit 1
    fi
    
    if [ "x$TARGET_ARCH" = 'x' ] || [ "x$ARCH" = 'x' ] || [ "x$HOST_COMPILER" = 'x' ]; then
      echo "You shouldn't use android-build.sh directly, use android-[arch].sh instead" >&2
      exit 1
    fi
    
    export MAKE_TOOLCHAIN="${ANDROID_NDK_HOME}/build/tools/make_standalone_toolchain.py"
    
    export PREFIX="$(pwd)/libsodium-android-${TARGET_ARCH}"
    export TOOLCHAIN_DIR="$(pwd)/android-toolchain-${TARGET_ARCH}"
    export PATH="${PATH}:${TOOLCHAIN_DIR}/bin"
    
    export CC=${CC:-"${HOST_COMPILER}-clang"}
    
    rm -rf "${TOOLCHAIN_DIR}" "${PREFIX}"
    
    echo
    if [ "$NDK_PLATFORM" != "$NDK_PLATFORM_COMPAT" ]; then
      echo "Building for platform [${NDK_PLATFORM}], retaining compatibility with platform [${NDK_PLATFORM_COMPAT}]"
    else
      echo "Building for platform [${NDK_PLATFORM}]"
    fi
    echo
    
    env - PATH="$PATH" \
        "$MAKE_TOOLCHAIN" --force --api="$NDK_API_VERSION_COMPAT" \
        --arch="$ARCH" --install-dir="$TOOLCHAIN_DIR" || exit 1
    
    if [ -z "$LIBSODIUM_FULL_BUILD" ]; then
      export LIBSODIUM_ENABLE_MINIMAL_FLAG="--enable-minimal"
    else
      export LIBSODIUM_ENABLE_MINIMAL_FLAG=""
    fi
    
    ./configure \
        --disable-soname-versions \
        ${LIBSODIUM_ENABLE_MINIMAL_FLAG} \
        --host="${HOST_COMPILER}" \
        --prefix="${PREFIX}" \
        --with-sysroot="${TOOLCHAIN_DIR}/sysroot" || exit 1
    
    if [ "$NDK_PLATFORM" != "$NDK_PLATFORM_COMPAT" ]; then
      egrep '^#define ' config.log | sort -u > config-def-compat.log
      echo
      echo "Configuring again for platform [${NDK_PLATFORM}]"
      echo
      env - PATH="$PATH" \
          "$MAKE_TOOLCHAIN" --force --api="$NDK_API_VERSION" \
          --arch="$ARCH" --install-dir="$TOOLCHAIN_DIR" || exit 1
    
      ./configure \
          --disable-soname-versions \
          ${LIBSODIUM_ENABLE_MINIMAL_FLAG} \
          --host="${HOST_COMPILER}" \
          --prefix="${PREFIX}" \
          --with-sysroot="${TOOLCHAIN_DIR}/sysroot" || exit 1
    
      egrep '^#define ' config.log | sort -u > config-def.log
      if ! cmp config-def.log config-def-compat.log; then
        echo "Platform [${NDK_PLATFORM}] is not backwards-compatible with [${NDK_PLATFORM_COMPAT}]" >&2
        diff -u config-def.log config-def-compat.log >&2
        exit 1
      fi
      rm -f config-def.log config-def-compat.log
    fi
    
    
    NPROCESSORS=$(getconf NPROCESSORS_ONLN 2>/dev/null || getconf _NPROCESSORS_ONLN 2>/dev/null)
    PROCESSORS=${NPROCESSORS:-3}
    
    make clean && \
    make -j${PROCESSORS} install && \
    echo "libsodium has been installed into ${PREFIX}"

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