#!/bin/bash

# CMake configuration

mkdir build
cd build

echo "RUN_EXAMPLES = ${RUN_EXAMPLES}."
if [[ $RUN_EXAMPLES == false ]] ; then
  ARGS="-DDOWNLOAD_BODY_25_MODEL=OFF -DDOWNLOAD_FACE_MODEL=OFF -DDOWNLOAD_HAND_MODEL=OFF"
  # ARGS="-DBUILD_CAFFE=ON -DDOWNLOAD_BODY_25_MODEL=OFF -DDOWNLOAD_BODY_COCO_MODEL=OFF -DDOWNLOAD_FACE_MODEL=OFF -DDOWNLOAD_HAND_MODEL=OFF -DDOWNLOAD_BODY_MPI_MODEL=OFF"
fi

echo "WITH_PYTHON = ${WITH_PYTHON}."
if [[ $WITH_PYTHON == true ]] ; then
  if [[ "$CI_OS_NAME" == "linux" ]] ; then
    ARGS="$ARGS -DBUILD_PYTHON=On"
    if [[ $PYTHON3_VERSION ]] ; then
      ARGS="$ARGS -DPYTHON_EXECUTABLE=/usr/bin/${PYTHON3_VERSION} -DPYTHON_LIBRARY=/usr/lib/x86_64-linux-gnu/lib${PYTHON3_VERSION}m.so"
    else
      echo "No Python version defined (or unknown one used), using the default v2.7"
      ARGS="$ARGS -DPYTHON_EXECUTABLE=/usr/bin/python2.7 -DPYTHON_LIBRARY=/usr/lib/x86_64-linux-gnu/libpython2.7m.so"
    fi
  fi
  if [[ "$CI_OS_NAME" == "osx" ]] ; then
    ARGS="$ARGS -DBUILD_PYTHON=On -DPYTHON_EXECUTABLE=/usr/local/bin/python2.7 -DPYTHON_LIBRARY=/usr/local/opt/python/Frameworks/Python.framework/Versions/2.7/lib/libpython2.7m.dylib"
  fi
  echo "Python arguments = $ARGS"
fi

# CUDA version
echo "WITH_CUDA = ${WITH_CUDA}."
echo "WITH_OPEN_CL = ${WITH_OPEN_CL}."
echo "WITH_MKL = ${WITH_MKL}."
if [[ $WITH_CUDA == true ]] ; then
  # Only build SM50
  ARGS="$ARGS -DGPU_MODE=CUDA -DCUDA_ARCH=Manual -DCUDA_ARCH_BIN=\"52\" -DCUDA_ARCH_PTX=\"\""
# OpenCL version
elif [[ $WITH_OPEN_CL == true ]] ; then
  ARGS="$ARGS -DGPU_MODE=OPENCL"
# CPU version
else
  ARGS="$ARGS -DGPU_MODE=CPU_ONLY"
  # MKL (Intel Caffe)
  if [[ $WITH_MKL == true ]] ; then
    ARGS="$ARGS -DUSE_MKL=On"
  else
    ARGS="$ARGS -DUSE_MKL=Off"
  fi
fi

echo "WITH_CUDNN = ${WITH_CUDNN}."
if [[ $WITH_CUDNN == true ]] ; then
  ARGS="$ARGS -DUSE_CUDNN=On"
else
  ARGS="$ARGS -DUSE_CUDNN=Off"
fi

echo "WITH_UNITY = ${WITH_UNITY}."
if [[ $WITH_UNITY == true ]] ; then
  ARGS="$ARGS -DBUILD_UNITY_SUPPORT=On"
fi

echo "WITH_DEBUG = ${WITH_DEBUG}."
if [[ $WITH_DEBUG == true ]] ; then
  ARGS="$ARGS -DCMAKE_BUILD_TYPE=Debug"
fi

echo "ARGS = ${ARGS}."

cmake .. $ARGS

# Patch for OpenCL and OSX
if [[ $WITH_OPEN_CL == true && $CI_OS_NAME == "osx" ]] ; then
  cd ../3rdparty/caffe; git apply ../../scripts/osx/mac_opencl_patch.txt;
  cd ../../build;
fi

# Run Cmake twice for pybind to register
if [[ $WITH_PYTHON == true ]] ; then
  cmake .. $ARGS
fi