[Rd] libgfortran misplaced in Mac OS X R install (PR#14226)

From: <tbrick_at_virginia.edu>
Date: Tue, 02 Mar 2010 17:45:10 +0100 (CET)

Full_Name: Timothy Brick
Version: 2.10
OS: Mac OS X (seen on both 10.6 and 10.5) Submission from: (NULL) (

When using install.packages in R on Mac OS X, packages that require gfortran throws an error (Example below from installation of OpenMx package):

Loading required package: OpenMx
Error in dyn.load(file, DLLpath = DLLpath, ...) : unable to load shared library
'/Library/Frameworks/R.framework/Resources/library/OpenMx/libs/i386/OpenMx.so': dlopen(/Library/Frameworks/R.framework/Resources/library/OpenMx/libs/i386/OpenMx.so, 6): Library not loaded: /usr/local/lib/libgfortran.2.dylib Referenced from: /Library/Frameworks/R.framework/Resources/library/OpenMx/libs/i386/OpenMx.so Reason: image not found

libgfortran.2.dylib does exist, but in
(or /2.9/, depending on version installed).

A workaround at present involves creating a symbolic link from the above file to
/usr/local/lib/libgfortran.2.dylib, however this requires sudo access and is
confusing for novice users.

There is more discussion of this bug as it relates to OpenMx at: http://openmx.psyc.virginia.edu/thread/316

Posts on other forums indicate a similar issue with other packages including vegan and lme4:
http://r-forge.r-project.org/forum/forum.php?thread_id=728&forum_id=194 https://stat.ethz.ch/pipermail/r-sig-mac/2009-May/006210.html

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