You can specify with the option '--with-blas-lapack-dir=PATH' and configure will check if it can find comaptible libraries [wrt the compilers used with configure]
However - unless you have a specific need for it [i.e make performance measurements for publishing] - its ok to just use regular blas/lapack. We recommend doing all the development with a debug build of PETSc libraries anyway.. [which is the default for configure] Satish On Fri, 12 Jan 2007, Barry Smith wrote: > > Ben, > > Please send the configure.log to petsc-maint at mcs.anl.gov > It is suppose to work with the ATLAS libraries, but they > are often temperamental. > > Barry > > On Sat, 13 Jan 2007, Ben Tay wrote: > > > Hi, > > > > I've ATLAS on my server. Can I use it for the blas/lapack library? > > > > I tried to specify the directory and also the the library files but the > > PETSc configuration keep saying it's not valid. > > > > The library files are > > > > libatlas.a libcblas.a libf77blas.a liblapack.a libptcblas.a > > libptf77blas.a libtstatlas.a > > > > Which one should I specify? > > > > Lastly, have other users post any comments about using ATLAS? > > > > Thank you! > > > >
