openwrt/scripts/check-toolchain-clean.sh

#!/bin/sh
eval `grep CONFIG_GCC_VERSION .config`
CONFIG_TOOLCHAIN_BUILD_VER="$CONFIG_GCC_VERSION-$(cat toolchain/build_version)"
touch .toolchain_build_ver
[ "$CONFIG_TOOLCHAIN_BUILD_VER" = "$(cat .toolchain_build_ver)" ] && exit 0
echo "Toolchain build version changed, running make targetclean"
make targetclean
echo "$CONFIG_TOOLCHAIN_BUILD_VER" > .toolchain_build_ver
exit 0
toolchain: add a version that can be bumped to force toolchain/target rebuild This can be used to ensure that the compiled code is up to date, when something important changes in the toolchain. A recent example of this is the gcc 11 fix for a code miscompilation issue Signed-off-by: Felix Fietkau <nbd@nbd.name> 2021-11-16 20:46:21 +00:00			`#!/bin/sh`
			eval `grep CONFIG_GCC_VERSION .config`
			`CONFIG_TOOLCHAIN_BUILD_VER="$CONFIG_GCC_VERSION-$(cat toolchain/build_version)"`
			`touch .toolchain_build_ver`
			`[ "$CONFIG_TOOLCHAIN_BUILD_VER" = "$(cat .toolchain_build_ver)" ] && exit 0`
			`echo "Toolchain build version changed, running make targetclean"`
			`make targetclean`
			`echo "$CONFIG_TOOLCHAIN_BUILD_VER" > .toolchain_build_ver`
			`exit 0`