Hello!

I recently upgraded to Leopard, and discovered that I could no longer build
Fortran sources using R CMD SHLIB. No problem, I thought: upgrade Xcode and
R. However, the R installer fails while trying to install gfortran. Here's
the last bit of the installer log:

Jan  7 15:40:53 elf150 Installer[544]:     Starting file extraction
Jan  7 15:40:54 elf150 pkgExtractor[566]:     Extracting...
Jan  7 15:40:54 elf150 pkgExtractor[566]: BomFileError 62: Too many levels
of symbolic links - ///usr/local/lib
Jan  7 15:40:54 elf150 pkgExtractor[566]:     13 of 13 files written
in 0.29seconds.
Jan  7 15:40:54 elf150 pkgExtractor[566]:     1468 kilobytes installed at
4.9 MB/s.
Jan  7 15:40:54 elf150 pkgExtractor[566]: pkgExtractor exited with error 1
while processing package '/Volumes/R-2.6.1
/Packages/gfortran.pkg/Contents/Archive.pax.gz'
Jan  7 15:40:54 elf150 Installer[544]: Install failed: The Installer could
not install some files in "/". Contact the software manufacturer for
assistance.
Jan  7 15:40:54 elf150 Installer[544]: IFDInstallController 75CD20 state = 7
Jan  7 15:40:54 elf150 Installer[544]: Displaying 'Install Failed' UI.
Jan  7 15:40:54 elf150 Installer[544]: 'Install Failed' UI displayed
message:'The Installer could not install some files in "/". Contact the
software manufacturer for assistance.'.

I also tried installing the gfortran from
http://r.research.att.com/gfortran-4.2.1.dmg , but it failed in the same
way. What could the problem be?

Thanks,
Enrico

> sessionInfo()
R version 2.6.1 (2007-11-26)
powerpc-apple-darwin8.10.1
locale:
en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

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