Dockerfile.cross-pi

FROM cross-stretch

# NOTE: These versions must be the same on the target host
ENV RPI_SHA=f73fca0
ENV WIRINGPI_SHA=6d9ce35

# MMAL/VCOS (https://github.com/raspberrypi/userland)
RUN RPI_DIR=/raspberrypi && \
  RPI_BUILD_DIR=$RPI_DIR/build/arm-linux/release && \
  git clone --single-branch --branch master https://github.com/raspberrypi/userland.git $RPI_DIR && \
  cd $RPI_DIR && \
  git checkout $RPI_SHA && \
  mkdir -p $RPI_BUILD_DIR && \
  cd $RPI_BUILD_DIR && \
  cmake -DCMAKE_TOOLCHAIN_FILE=../../../makefiles/cmake/toolchains/arm-linux-gnueabihf.cmake \
    -DCMAKE_BUILD_TYPE=Release \
    ../../.. && \
  make -j `nproc` && \
  make install DESTDIR=$CROSS_INSTALL_PREFIX/ && \
  cd / && \
  rm -rf $RPI_DIR && \
  # WiringPi
  # https://github.com/WiringPi/WiringPi
  WPI_DIR=/wpi && \
  WPI_WIRING_PI_DIR=$WPI_DIR/wiringPi && \
  git clone --single-branch --branch master https://github.com/WiringPi/WiringPi.git $WPI_DIR && \
  cd $WPI_DIR && \
  git checkout $WIRINGPI_SHA && \
  cd $WPI_WIRING_PI_DIR && \
  CC=$C_COMPILER_ARM_LINUX make -j `nproc` && \
  make install DESTDIR=$CROSS_INSTALL_PREFIX PREFIX="" && \
  cd / && \
  rm -rf $WPI_DIR