add patch for JasPer 2.0.14 and 2.0.16 to fix missing -lm

[boegel]

(created using eb --new-pr)

For some reason -lm is sometimes missing, while other times it's there.
Explicitly specifying in CMakeLists.txt that libm is required when linking fixes problems like:

./libjasper/libjasper.so.4.0.0: error: undefined reference to 'pow'

(see also https://bugs.gentoo.org/601070)

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 7 out of 7 (7 easyconfigs in total)
node2632.swalot.os - Linux centos linux 7.8.2003, x86_64, Intel(R) Xeon(R) CPU E5-2660 v3 @ 2.60GHz (haswell), Python 2.7.5
See https://gist.github.com/dffae084702ab7f0d938f36459140a86 for a full test report.

[boegel]

@boegelbot please test @ generoso
EB_ARGS="JasPer-2.0.14-GCCcore-10.2.0.eb JasPer-2.0.14-GCCcore-7.3.0.eb JasPer-2.0.14-GCCcore-8.2.0.eb JasPer-2.0.14-GCCcore-8.3.0.eb JasPer-2.0.14-GCCcore-9.3.0.eb JasPer-2.0.16-GCCcore-9.3.0.eb"

[boegelbot]

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

PR test command 'EB_PR=11746 EB_ARGS="JasPer-2.0.14-GCCcore-10.2.0.eb JasPer-2.0.14-GCCcore-7.3.0.eb JasPer-2.0.14-GCCcore-8.2.0.eb JasPer-2.0.14-GCCcore-8.3.0.eb JasPer-2.0.14-GCCcore-9.3.0.eb JasPer-2.0.16-GCCcore-9.3.0.eb" /apps/slurm/default/bin/sbatch --job-name test_PR_11746 --ntasks=4 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 9793

Test results coming soon (I hope)...

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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
SUCCESS
Build succeeded for 6 out of 6 (6 easyconfigs in total)
generoso-c1-s-1 - Linux centos linux 8.2.2004, x86_64, Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz (haswell), Python 3.6.8
See https://gist.github.com/436805c6fca458ec197c259ac67f319b for a full test report.

[boegel]

The underlying cause here seems to be that libm.so is parked in <sysroot>/usr/lib64, and CMake isn't taking into that path when find_library is used... 🤦

[boegel]

Proper fix in CMakeMake easyblock via easybuilders/easybuild-easyblocks#2247, so closing this...