2 eval `grep CONFIG_GCC_VERSION .config`
3 CONFIG_TOOLCHAIN_BUILD_VER
="$CONFIG_GCC_VERSION-$(cat toolchain/build_version)"
4 touch .toolchain_build_ver
5 [ "$CONFIG_TOOLCHAIN_BUILD_VER" = "$(cat .toolchain_build_ver)" ] && exit 0
6 echo "Toolchain build version changed, running make targetclean"
8 echo "$CONFIG_TOOLCHAIN_BUILD_VER" > .toolchain_build_ver