Support Requests item #2721281, was opened at 2009-03-29 23:21
Message generated for change (Comment added) made by lgautier
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Category: Install Problem (example)
Group: None
Status: Open
Priority: 5
Private: No
Submitted By: Monic Polynomial (monipol)
>Assigned to: lgautier (lgautier)
Summary: RPy2 with Fink's R: no LAPACK_LIBS; setup.py fails

Initial Comment:
I'm trying to install RPy2 on Mac OS X 10.5.6 using R supplied by Fink. R 
(2.7.0) outputs the following link parameters:

$ R CMD config --ldflags
-F/sw/Library/Frameworks/R.framework/.. -framework R

$ R CMD config BLAS_LIBS
-framework vecLib -dylib_file 
/System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib:/System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib

$ R CMD config LAPACK_LIBS


As you may see, BLAS_LIBS points to libLAPACK (vecLib) and LAPACK_LIBS is empty 
(Apple's vecLib includes both BLAS and LAPACK). I was browsing the configure 
(autoconf) file distributed with R 2.7.0 and it seems that LAPACK_LIBS is 
intended to be blank:

## Note that (see R-admin) that our main intention is to allow a
## LAPACK-containing BLAS to be used, so this is rarely needed, and
## it is not used if the BLAS already contains LAPACK.
## LAPACK_LIBS=

However, RPy'2 setup.py fails if "R CMD config LAPACK_LIBS" doesn't output 
something. Should LAPACK_LIBS really be mandatory?

For your information, these are the relevant configure parameters that Fink 
uses when building R:

--with-blas="-framework vecLib -dylib_file 
/System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib:/System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib"
 --with-lapack --enable-R-framework=/sw/Library/Frameworks


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>Comment By: lgautier (lgautier)
Date: 2009-03-30 07:41

Message:

What is the exact error message returned ?
What is the version of rpy2 in Fink ?


Thanks,

L.


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