[R-SIG-Mac] procedure to ship libomp.dylib run-time with package

[Timothy Bates]

Thanks Kasper,
I read those lines and had installed the openmp software as instructed. It all works fine for me. But users don’t have my usr/ folder, not can a package write to their usr/ folder.

so what is confusing is how the user will get this lib. Where should make place libraries like libomp within the package so that if a user merely install.packages() it, the library will be found and loaded?
Best, tim


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________________________________
From: Kasper Daniel Hansen <kasperdanielhansen using gmail.com>
Sent: Tuesday, June 25, 2024 11:34:42 AM
To: Sparapani, Rodney <rsparapa using mcw.edu>
Cc: Timothy Bates <tim.bates using ed.ac.uk>; R list <R-SIG-Mac using r-project.org>
Subject: Re: [R-SIG-Mac] procedure to ship libomp.dylib run-time with package

This email was sent to you by someone outside the University.
You should only click on links or attachments if you are certain that the email is genuine and the content is safe.
If you read the next couple of sentences on that page, it says

The following are links to libomp OpenMP run-time built from official LLVM release sources using Xcode compilers. They are signed and support macOS 10.13 (High Sierra) and higher. All tar-balls contain the system tree usr/local/lib and usr/local/include so the recommended installation is to type in Terminal:

    curl -O https://mac.r-project.org/openmp/openmp-14.0.6-darwin20-Release.tar.gz
    sudo tar fvxz openmp-14.0.6-darwin20-Release.tar.gz -C /


I think that is pretty clear? Note the -C / as part of the last line, that tells tar where to put it on the system.

On Tue, Jun 25, 2024 at 8:20 AM Sparapani, Rodney via R-SIG-Mac <r-sig-mac using r-project.org<mailto:r-sig-mac using r-project.org>> wrote:
Hi Tim:

/usr/local/lib it seems.  See the following page
https://mac.r-project.org/openmp/

--
Rodney Sparapani, Associate Professor of Biostatistics, He/Him/His
Vice President, Wisconsin Chapter of the American Statistical Association
Institute for Health and Equity, Division of Biostatistics
Medical College of Wisconsin, Milwaukee Campus

If this is outside of working hours, then please respond when convenient.

From: R-SIG-Mac <r-sig-mac-bounces using r-project.org<mailto:r-sig-mac-bounces using r-project.org>> on behalf of Timothy Bates <tim.bates using ed.ac.uk<mailto:tim.bates using ed.ac.uk>>
Date: Monday, June 24, 2024 at 4:00 PM
To: R list <R-SIG-Mac using r-project.org<mailto:R-SIG-Mac using r-project.org>>
Subject: [R-SIG-Mac] procedure to ship libomp.dylib run-time with package
ATTENTION: This email originated from a sender outside of MCW. Use caution when clicking on links or opening attachments.
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At https://urldefense.com/v3/__https://mac.r-project.org/openmp/__;!!H8mHWRdzp34!4HZ0uFxJQ121gF_TnX99OuMlgIXM600pq8wCbWruoLsdLTtaFgRB5_gMopCtxD0N9M4tUOO-7hBGADHx1sk$<https://urldefense.com/v3/__https:/mac.r-project.org/openmp/__;!!H8mHWRdzp34!4HZ0uFxJQ121gF_TnX99OuMlgIXM600pq8wCbWruoLsdLTtaFgRB5_gMopCtxD0N9M4tUOO-7hBGADHx1sk$>  it  says
"any package you compile against libomp.dylib will need that run-time so you have to ship it with your package or have users install it”

Are there  any  instructions on what to do/where to put libomp.dylib so it will be found?

I’ve compiled a package (OpenMx) in which OpenMP is working locally but other users get the error:

require(OpenMx)
Error: package or namespace load failed for ‘OpenMx’ in dyn.load(file, DLLpath = DLLpath, ...):
 unable to load shared object '/Users/***/Library/R/x86_64/4.4/library/OpenMx/libs/OpenMx.so':

dlopen(/Users/***/Library/R/x86_64/4.4/library/OpenMx/libs/OpenMx.so, 0x0006): Library not loaded: /Library/Frameworks/R.framework/Versions/4.3-x86_64/Resources/lib/libomp.dylib


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--
Best,
Kasper

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