Re: math/blas and math/lapack broken: cannot find -lf95

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Sat, May 18, 2013 at 09:12:24AM +0900, Ryo ONODERA wrote:
> From: Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>, Date: Sat, 18 May 2013 
> 09:08:25 +0900 (JST)
> 
> > Hi,
> > 
> > From: Joerg Sonnenberger <joerg%britannica.bec.de@localhost>, Date: Sat, 18 
> > May 2013 01:10:04 +0200
> > 
> >> On Sat, May 18, 2013 at 07:49:39AM +0900, Ryo ONODERA wrote:
> >>> If fortran and fortran77 should use same compiler, what is the mean of
> >>> having separate compiler options, fortran and fortran77.
> >> 
> >> Until recently, requiring a separate compiler would have been way too
> >> heavy for something like devel/libtool-base, which is needed by almost
> >> anything else. Now that Fortran is split off, the situation is much less
> >> dramatic.
> > 
> > Do you want to say f2c is light package, and g95 is heavy package?

Comparatively speaking, yes.

> > 
> >> If someone really only wants to use Fortran77, f2c is good
> >> enough, but given e.g. the inability to build R with it, I find that a
> >> bad default choice.
> > 
> > I have thought when USE_LANGUAGES=fortran, g95 should be used,
> > and when USE_LANGUAGES=fortran77, f2c should be used.
> > 
> > But according to joerg@, fortran77 and fortran cannot coexist as
> > pkgsrc compiler, because ABI incompatibility. My understanding is right?
> > 
> > If fortran77 and fortran cannot coexist as pkgsrc compiler,
> > when f2c is default fortran compiler, USE_LANGUAGES=fortran should not
> > invoke g95.
> 
> Of course, when g95 is default compiler, USE_LANGUAGES=fortran77
> should not invoke f2c too.

It doesn't. If you set PKGSRC_FORTRAN to g95, you get it for both.

> > By the way,
> > I have thought fc2 is only supports fortran77,
> > but in pkgsrc/mk/compiler/f2c.mk,
> > LANGUAGES.f2c=fortran fortran77 is defined.
> > Is this correct?

Would be wrong.

Joerg