RPi: add clang & clang-check support

Tools/clang-check.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+COMPILE_DB=$(/bin/pwd)/build_posix_rpi_cross;
+BIN=${RPI_TOOLCHAIN_DIR}/gcc-linaro-arm-linux-gnueabihf-raspbian/bin
+
+CXX_INC=$(cd ${RPI_TOOLCHAIN_DIR}/gcc-linaro-arm-linux-gnueabihf-raspbian/arm-linux-gnueabihf/include/c++/*; pwd)
+
+EXTRA_ARG1=-I${CXX_INC}
+EXTRA_ARG2=-I${CXX_INC}/arm-linux-gnueabihf
+EXTRA_ARG3=-I${CXX_INC}/backward
+
+grep file ${COMPILE_DB}/compile_commands.json |
+awk '{ print $2; }' |
+sed 's/\"//g' |
+while read FILE; do
+    (cd $(dirname ${FILE});
+    ${BIN}/clang-check -analyze -p ${COMPILE_DB} --extra-arg=${EXTRA_ARG1} --extra-arg=${EXTRA_ARG2} --extra-arg=${EXTRA_ARG3} $(basename ${FILE})
+    );
+  done