optimx error in MacOsX

 Since this morning (5/2/2025), I get an error when I try to load optimx package:

> library("optimx")

Erreur : le chargement du package ou de l'espace de noms a échoué pour ‘optimx’ in dyn.load(file, DLLpath = DLLpath, ...) :

impossible de charger l'objet partagé '/Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/library/nloptr/libs/nloptr.so' :

  dlopen(/Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/library/nloptr/libs/nloptr.so, 0x0006): Library not loaded: /opt/homebrew/opt/nlopt/lib/libnlopt.0.dylib

  Referenced from: <2A7DAFE2-8123-3555-9569-F28214328E47> /Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/library/nloptr/libs/nloptr.so

  Reason: tried: '/opt/homebrew/opt/nlopt/lib/libnlopt.0.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/opt/homebrew/opt/nlopt/lib/libnlopt.0.dylib' (no such file), '/opt/homebrew/opt/nlopt/lib/libnlopt.0.dylib' (no such file), '/Library/Frameworks/R.framework/Resources/lib/libnlopt.0.dylib' (no such file), '/Library/Java/JavaVirtualMachines/jdk-11.0.18+10/Contents/Home/lib/server/libnlopt.0.d

It seems that the file libnlopt.0.dylib is not find.

When I check in this folder, indeed it is not present:

√ lib % cd /opt/homebrew/opt/nlopt/lib

√ lib % ls

cmake libnlopt.1.dylib pkgconfig

libnlopt.1.0.0.dylib libnlopt.dylib


I create a symlink:

√ lib % sudo ln -s libnlopt.1.dylib libnlopt.0.dylib

Password:

√ lib % ls -al

total 880

drwxr-xr-x   8 marcgirondot  admin     256  5 fév 10:28 .

drwxr-xr-x  15 marcgirondot  admin     480  5 fév 10:26 ..

drwxr-xr-x   3 marcgirondot  admin      96  4 fév 19:29 cmake

lrwxr-xr-x   1 root          admin      16  5 fév 10:28 libnlopt.0.dylib -> libnlopt.1.dylib

-r--r--r--   1 marcgirondot  admin  447936  5 fév 10:26 libnlopt.1.0.0.dylib

lrwxr-xr-x   1 marcgirondot  admin      20  4 fév 19:29 libnlopt.1.dylib -> libnlopt.1.0.0.dylib

lrwxr-xr-x   1 marcgirondot  admin      16  4 fév 19:29 libnlopt.dylib -> libnlopt.1.dylib

drwxr-xr-x   3 marcgirondot  admin      96  5 fév 10:26 pkgconfig


and I reinstall optimx from source

> remove.packages("optimx")

Elimination du package de ‘/Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/library’

(car ‘lib’ n'est pas spécifié)

> install.packages("optimx", type="source")

essai de l'URL 'https://cran.irsn.fr/src/contrib/optimx_2024-12.2.tar.gz'

Content type 'application/x-gzip' length 2259525 bytes (2.2 MB)

==================================================

downloaded 2.2 MB


* installing *source* package ‘optimx’ ...

** package ‘optimx’ correctement décompressé et sommes MD5 vérifiées

** using staged installation

** R

** inst

** byte-compile and prepare package for lazy loading

** help

*** installing help indices

** building package indices

** installing vignettes

** testing if installed package can be loaded from temporary location

** testing if installed package can be loaded from final location

** testing if installed package keeps a record of temporary installation path

* DONE (optimx)


Les packages source téléchargés sont dans

‘/private/tmp/Rtmpsb2lpE/downloaded_packages’

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