Godec is entirely Cmake-based on all platforms, including Windows (this means the Visual Studio version has to be VS 2017 or later).
The Linux-based cmake version needs to be 3.12 or higher. Annoyingly many Linux distributions come with older versions, so you might have to download it from https://cmake.org/download/ and compile it.
Install the following packages:
sudo apt-get install libboost-dev-all libeigen3-dev libasound2-dev maven icu python3-numpy
mkdir cmake-build
cd cmake-build
cmake -DPLATFORM=Linux -DCMAKE_INSTALL_PREFIX=../install ..
make install
As mentioned, Visual Studio 2017 or higher is required. Also, unlike in the Linux systems, the various packages (Boost, Eigen) need to be manually downloaded and some of them need to be precompiled.
Download Boost 1.68 from https://www.boost.org/users/history/version_1_68_0.html
Open "Visual Studio Developer Command Prompt", cd to the Boost folder
.\bootstrap.bat
b2.exe -j4 toolset=msvc-14.1 address-model=64 variant=release threading=multi runtime-link=shared link=static --build-type=complete --layout=versioned --without-python
Download Eigen 3.3.4: http://eigen.tuxfamily.org/index.php?title=Main_Page
Download Maven: https://maven.apache.org/download.cgi
All in the Visual Studio command window:
set PATH=%PATH%;c:\<your_path>\apache-maven-3.6.0\bin
set BOOST_ROOT=C:\<your_path>\boost_1_68_0
set EIGEN_ROOT=C:\<your_path>\eigen-eigen-5a0156e40feb
mkdir cmake-build
cd cmake-build
cmake -DPLATFORM=Windows -DBoost_NO_SYSTEM_PATHS=ON -DBOOST_INCLUDEDIR=%BOOST_ROOT% -DBOOST_LIBRARYDIR=%BOOST_ROOT%\stage\lib -DEigen3_INCLUDE_DIRS=%EIGEN_ROOT% ..
cmake --build . --target install --config Release
Godec for the Raspberry Pi is best cross-compiled on a regular Linux machine. For that it is necessary to fetch some of the libraries from an actual Raspberry Pi installation.
On the Pi, run:
sudo apt-get install libboost1.62-all-dev libasound2-dev openjdk-8-jdk
mkdir -p rpi_ext/lib rpi_ext/include rpi_ext/include/jvm
cp -r /usr/include/boost /usr/include/alsa rpi_ext/include
cp -r /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/include rpi_ext/include/jvm
cp -r /usr/lib/arm-linux-gnueabihf/libboost_* /usr/lib/arm-linux-gnueabihf/libasound* /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/jre/lib/* rpi_ext/lib/
tar up this rpi_ext folder and copy it over to the Linux machine. Then, in a command prompt
sudo apt-get install gcc-7-arm-linux-gnueabihf g++-7-arm-linux-gnueabihf
export CXX=arm-linux-gnueabihf-g++
export RPI_EXT=<your_path>/rpi_ext
mkdir cmake-build
cd cmake-build
cmake -DPLATFORM=RaspberryPi -DBoost_NO_SYSTEM_PATHS=ON -DBOOST_INCLUDEDIR=$RPI_EXT/include -DBOOST_LIBRARYDIR=$RPI_EXT/lib -DALSA_LINKER_DIR=$RPI_EXT/lib -DALSA_INCLUDE_DIRS=$RPI_EXT/include/alsa/include -DJNI_INCLUDE_DIRS="$RPI_EXT/include/jvm/include/;$RPI_EXT/include/jvm/include/linux" -DJAVA_JVM_LIBRARY=$RPI_EXT/lib/arm/client/libjvm.so -DCMAKE_INSTALL_PREFIX=../install ..
make install
The Android build also has to be cross-compiled (for obvious reasons). On a Linux machine:
apt-get install libeigen3-dev maven openjdk-8-jdk maven
Download the Android NDK 18b here: https://developer.android.com/ndk/downloads/older_releases.html
We need a clang toolchain to compile Godec. In the NDK main folder:
./build/tools/make_standalone_toolchain.py --arch arm --api 21 --install-dir <your_path>/android-clang-toolchain
Clone this repo: https://github.com/moritz-wundke/Boost-for-Android
export CXX=<your_path>/android-clang-toolchain/bin/arm-linux-androideabi-clang++
./build-android.sh --boost=1.68.0 --arch=armeabi-v7a <NDK_ROOT>
export BOOST_ROOT=<your_path>/Boost-for-Android/build/out/armeabi-v7a/
One problem that arises is that Boost's output files have the wrong file names, so we need to create symbolic links to the right names:
cd <your_path>/Boost-for-Android/build/out/armeabi-v7a/lib/
for f in libboost*clang*; do b=basename $f -clang-mt-a32-1_68.a; ln -s $f $b.a; done
In the Godec main folder:
mkdir cmake-build
cd cmake-build
cmake -DPLATFORM=Android -DBoost_NO_SYSTEM_PATHS=ON -DBOOST_INCLUDEDIR=$BOOST_ROOT/include/boost-1_68/ -DBOOST_LIBRARYDIR=$BOOST_ROOT/lib/ -DCMAKE_INSTALL_PREFIX=../install ..