<div dir="ltr">You can use devtoolset (latest is 8) and write your own environment modules to handle visibility, but spack or easybuild become a necessity rather quickly once you need to maintain multiple toolchains, MPI implementations, etc.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 20, 2019 at 8:01 PM David Mathog <<a href="mailto:mathog@caltech.edu">mathog@caltech.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 2019-08-20 13:33, David Mathog wrote:<br>
> Turns out EasyBuild has many of the software packages in question, so<br>
> EasyBuild+Lmod looks like the winner here.<br>
<br>
Easybuild - simple to use - not very quick though.<br>
<br>
scl enable devtoolset-7 'eb Jellyfish-1.1.12-foss-2018b.eb --robot'<br>
<br>
has been running for half an hour already. The devtoolset was a waste <br>
of keystrokes - it insists on using every single tool from its <br>
foss-2018b collection, even though near equivalents exist, some of which <br>
are older than what is on the system. (ie flex 2.6.4b vs. 2.5.37-6, a <br>
complete copy of python 2.7 instead of the one already present, gcc <br>
7.3.0 instead of the existing 7.3.1). That build is closing in on 6 Gb <br>
even though a "native" Centos 7 build of Jellyfish is only 26.7Mb. When <br>
Easybuild finishes its jellyfish binaries will probably be the same <br>
size.<br>
<br>
Anyway, yet another example of "portability by duplicating most of an <br>
OS". Very unclear to me if "foss-2018b" is any better than Centos 7 + <br>
devtoolset-7, but the latter isn't an Easybuild option.<br>
<br>
Thank goodness we don't have this philosophy for cars, can you imagine? <br>
You leave a Corolla to have an aftermarket stereo installed and come <br>
back to find most of a Camry bolted to the roof!<br>
<br>
Regards,<br>
<br>
David Mathog<br>
<a href="mailto:mathog@caltech.edu" target="_blank">mathog@caltech.edu</a><br>
Manager, Sequence Analysis Facility, Biology Division, Caltech<br>
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</blockquote></div>