Updating rtl-sdr drivers to version 4

scripts/install-sdr-tools.sh

@@ -10,3 +10,43 @@ apt install \
   rtl-sdr \
   librtlsdr-dev \
   -y
+
+. ./env.sh
+
+APP=rtl-sdr
+REPO_SRC_DIR="${ET_SRC_DIR}/${APP}"
+
+[[ ! -e ${ET_SRC_DIR} ]] && mkdir ${ET_SRC_DIR}
+
+CWD_DIR=`pwd`
+
+et-log "Installing ${APP} build dependencies..."
+apt purge ^librtlsdr -y
+rm -rvf /usr/lib/librtlsdr* /usr/include/rtl-sdr* /usr/local/lib/librtlsdr* /usr/local/include/rtl-sdr* /usr/local/include/rtl_* /usr/local/bin/rtl_*
+
+apt-get install \
+    libusb-1.0-0-dev \
+    git \
+    cmake \
+    pkg-config \
+    -y
+
+et-log "Cloning ${APP} repository..."
+if [[ ! -e ${REPO_SRC_DIR} ]]; then
+  cd ${ET_SRC_DIR} && git clone ${REPO}
+fi
+
+cd ${REPO_SRC_DIR}
+
+et-log "Building ${APP}..."
+mkdir build
+cd build
+cmake ../ -DINSTALL_UDEV_RULES=ON
+make
+make install
+cp ../rtl-sdr.rules /etc/udev/rules.d/
+ldconfig
+
+echo 'blacklist dvb_usb_rtl28xxu' | tee --append /etc/modprobe.d/blacklist-dvb_usb_rtl28xxu.conf
+
+cd ${CWD_DIR}