Update ROOT easyblock to support sysroot

[ocaisa]

May help with EESSI/software-layer#769

[Micket]

lgtm

[Micket]

Got a test report?

[Micket]

Test report by @Micket

Overview of tested easyconfigs (in order)

• SUCCESS GL2PS-1.4.2-GCCcore-12.3.0.eb
• SUCCESS ROOT-6.30.06-foss-2023a.eb

Build succeeded for 2 out of 2 (1 easyconfigs in total)
vera-skylake-build - Linux Rocky Linux 8.9, x86_64, Intel Xeon Processor (Skylake, IBRS, no TSX), Python 3.6.8
See https://gist.github.com/Micket/0cbefe6f00f723e1d6a64e90e2cef9e7 for a full test report.

[ocaisa]

@boegelbot please test @ generoso
EB_ARGS="--installpath /tmp/pr3467 ROOT-6.30.06-foss-2023a.eb ROOT-6.26.10-foss-2022b.eb ROOT-6.26.06-foss-2022a.eb ROOT-6.24.06-foss-2021b.eb"

[boegelbot]

@ocaisa: Request for testing this PR well received on login1

PR test command 'EB_PR=3467 EB_ARGS="--installpath /tmp/pr3467 ROOT-6.30.06-foss-2023a.eb ROOT-6.26.10-foss-2022b.eb ROOT-6.26.06-foss-2022a.eb ROOT-6.24.06-foss-2021b.eb" EB_CONTAINER= EB_REPO=easybuild-easyblocks /opt/software/slurm/bin/sbatch --job-name test_PR_3467 --ntasks=4 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 14379

Test results coming soon (I hope)...

- notification for comment with ID 2390903681 processed

Message to humans: this is just bookkeeping information for me,
it is of no use to you (unless you think I have a bug, which I don't).

[ocaisa]

Successful build that uses this PR in EESSI/software-layer#769 (comment) (where sysroot is actually used)

[boegelbot]

Test report by @boegelbot

Overview of tested easyconfigs (in order)

• SUCCESS ROOT-6.30.06-foss-2023a.eb
• SUCCESS ROOT-6.26.10-foss-2022b.eb
• SUCCESS ROOT-6.26.06-foss-2022a.eb
• SUCCESS ROOT-6.24.06-foss-2021b.eb

Build succeeded for 4 out of 4 (4 easyconfigs in total)
cns1 - Linux Rocky Linux 8.9, x86_64, Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz (haswell), Python 3.6.8
See https://gist.github.com/boegelbot/6d589b8202f7d0d3f0a79d0488a13e41 for a full test report.