pick Tcl/Tk lib directory correctly in R easyblock, may be either lib or lib64

[mboisson]

tcl/tk is not always in lib folder, on gentoo it is in lib64, this commit tests it and picks the right one

[boegel]

@boegelbot please test @ generoso
EB_ARGS="--installpath /tmp/pr3072 R-4.3.2-gfbf-2023a.eb"

[boegelbot]

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

PR test command 'EB_PR=3072 EB_ARGS="--installpath /tmp/pr3072 R-4.3.2-gfbf-2023a.eb" EB_CONTAINER= EB_REPO=easybuild-easyblocks /opt/software/slurm/bin/sbatch --job-name test_PR_3072 --ntasks=4 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 12645

Test results coming soon (I hope)...

- notification for comment with ID 1896064855 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).

[boegel]

@boegelbot please test @ generoso
EB_ARGS="--installpath /tmp/pr3072 R-4.3.2-gfbf-2023a.eb"

[boegelbot]

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

PR test command 'EB_PR=3072 EB_ARGS="--installpath /tmp/pr3072 R-4.3.2-gfbf-2023a.eb" EB_CONTAINER= EB_REPO=easybuild-easyblocks /opt/software/slurm/bin/sbatch --job-name test_PR_3072 --ntasks=4 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 12775

Test results coming soon (I hope)...

- notification for comment with ID 1917598376 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).

[boegelbot]

Test report by @boegelbot

Overview of tested easyconfigs (in order)

• SUCCESS R-4.3.2-gfbf-2023a.eb

Build succeeded for 1 out of 1 (1 easyconfigs in total)
cns1 - Linux Rocky Linux 8.5, x86_64, Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz (haswell), Python 3.6.8
See https://gist.github.com/boegelbot/cfe477c1e12af34d93ad876f02a3c4b0 for a full test report.

[boegel]

lgtm