Re: [gentoo-user] Re: Do we have to build gcc with fortran now?

[Dale <rdalek1967@gmail.com>]

Mark Knecht wrote:
> For kicks I decided to give -fortran a try. I find it interesting that
> with Fortran installed using either the fortran flag in package.use,
> or just not setting the flag at all, I apparently do not need the c++
> libraries that I do need when I choose -fortran. However it seems that
> -fortran doesn't eliminate the need for installing a Fortran compiler.
> It simply shifted it from the GNU gcc Fortran package to the Intel
> Fortran Compiler (dev-lang/ifc)
>
> c2stable ~ # emerge -pvDuN @world
>
> These are the packages that would be merged, in order:
>
> Calculating dependencies... done!
> [ebuild  N     ] sys-libs/libstdc++-v3-3.3.6  USE="(multilib) nls" 23,459 kB
> [ebuild  N     ] virtual/libstdc++-3.3  0 kB
> [ebuild  N     ] app-emulation/emul-linux-x86-compat-20100611
> USE="(multilib)" 930 kB
> [ebuild  N     ] dev-lang/ifc-10.0.026-r1  40,378 kB
> [ebuild   R    ] sys-devel/gcc-4.4.5  USE="gtk mudflap (multilib) nls
> nptl openmp (-altivec) -bootstrap -build -doc (-fixed-point) -fortran*
> -gcj -graphite (-hardened) (-libffi) -multislot -nocxx -nopie -nossp
> -objc -objc++ -objc-gc -test -vanilla (-n32%) (-n64%)" 61,647 kB
>
> Total: 5 packages (4 new, 1 reinstall), Size of downloads: 126,413 kB
> c2stable ~ #
>
> I have a virtual/fortran driven AFACT through any number of dependencies:
>
> c2stable ~ # eix -I fortran
> [I] virtual/fortran
>       Available versions:  0 {openmp}
>       Installed versions:  0(06:12:54 AM 06/22/2011)(openmp)
>       Description:         Virtual for Fortran Compiler
>
> c2stable ~ # eix -Ic fortran
> [I] virtual/fortran (0@06/22/2011): Virtual for Fortran Compiler
> c2stable ~ # equery depends fortran
>   * These packages depend on fortran:
> dev-python/numpy-1.6.0 (lapack ? virtual/fortran)
> sci-libs/blas-reference-20070226 (virtual/fortran)
> c2stable ~ # equery depends numpy
>   * These packages depend on numpy:
> dev-python/pygtk-2.22.0-r1 (dev-python/numpy)
> c2stable ~ # equery depends pygtk
>   * These packages depend on pygtk:
> dev-python/pygtksourceview-2.10.1 (>=dev-python/pygtk-2.8:2)
> dev-python/twisted-11.0.0 (gtk ?>=dev-python/pygtk-1.99)
> dev-vcs/git-1.7.3.4-r1 (gtk ?>=dev-python/pygtk-2.8)
> x11-misc/driconf-0.9.1-r1 (>=dev-python/pygtk-2.4:2)
> c2stable ~ # equery depends blas-reference
>   * These packages depend on blas-reference:
> virtual/blas-1.0 (sci-libs/blas-reference)
> c2stable ~ # equery depends virtual/blas
>   * These packages depend on virtual/blas:
> dev-lang/R-2.12.2 (virtual/blas)
> c2stable ~ #
>
> In my case I'm sticking with the gcc fortran package as it's the devil I know...
>
> - Mark
>
>
>    

I emerge -C ifc and revdep-rebuild rebuilt some stuff but it is gone 
now.  So, you may have to work with it but it *might* be removable too.

Dale

:-)  :-)