William D. McCoy
wdmccoy at geo.umass.edu
Tue Jul 31 15:58:39 CEST 2001
Thanks to Jason Turner and Brian Ripley for the quick and informative
responses to my query about the proper use of the '--with-blas'
argument to the configure script. They have both indicated that as
long as the libraries are in the library path, configure should find
them. BR adds that the libraries needed are: libatlas.a, libcblas.a,
The original question was:
> I thought I would try compiling R this time with the ATLAS libraries.
> I have compiled ATLAS and I have the following libraries:
> libatlas.a libf77blas.a libptcblas.a libtstatlas.a
> libcblas.a liblapack.a libptf77blas.a
> Is it sufficient to use ' --with-blas=libatlas.a ' when configuring or
> do I need to specify any of the other libraries as well?
Jason Turner replied:
> Assuming you have a Un*x-like installation...
> As long as the ATLAS libraries were put in a place they could be
> easily found (usually /usr/local/lib), and ldconfig(8) has been run
> since they were put there, the configure script should pick them
> up automagically. I simply ran configure without options and
And Brian Ripley relplied:
> If this is Unix(-alike) ....
> You need libatlas.a, libcblas.a, libf77blas.a, and you want to specify
> them as "-latlas -lcblas -lf77blas". *However* they need to be in your
> library path, and if they are, configure will find them. So just
> set the library path as needed (e.g. LIBS in config.site)
> rm config.cache
> will make use of ATLAS. See the R-admin.html manual for more details.
William D. McCoy
University of Massachusetts
Amherst, MA 01003
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