Add info how to fix failed chroot #19

	name: CI-build-ppc64el

	on:
	pull_request:
	branches: [ "master" ]

	push:
	branches:
	- master

	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:

	build:
	if: ${{ github.event_name != 'pull_request' \|\| (github.event_name == 'pull_request' && contains(github.event.pull_request.labels.*.name, 'notest') != true) }}
	strategy:
	fail-fast: false
	matrix:
	build_mode: [Release, RelWithDebInfo, Debug]
	cxx11: [ON, OFF]
	runs-on: ubuntu-latest
	name: Build ppc64el ubuntu 22.04 BUILD_MODE=${{ matrix.build_mode }}, CXX11=${{ matrix.cxx11 }}
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Setup Ubuntu
	run: \|
	sudo apt install gcc-powerpc64le-linux-gnu g++-powerpc64le-linux-gnu qemu-user-static debootstrap
	- name: Build
	run: \|
	export ROOTFS=${GITHUB_WORKSPACE}/rootfs/ppc64el
	sudo ./create-ubuntu-rootfs.sh ppc64el jammy
	TOOLCHAIN_VER=$(ls $ROOTFS/usr/include/c++/)
	sed -i "s,set(TOOLCHAIN_VERSION \"9\"),set(TOOLCHAIN_VERSION \"$TOOLCHAIN_VER\")," ppc64el-gcc-toolchain.cmake
	./Tools/test-build.sh ${GITHUB_WORKSPACE} ${GITHUB_WORKSPACE}/Build "powerpc64le-linux-gnu-gcc,powerpc64le-linux-gnu-g++" ${{ matrix.build_mode }} ${{ matrix.cxx11 }} "" "" "f d" "OFF,1,x" "OFF,sm" "ALL" "ppc64el-gcc-toolchain.cmake"

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