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

[Matthew Finkel]

On 06/21/11 23:55, Dale wrote:
> I just did my updates and ran into this:
>
> * Maintainer: sci@g.o
>  * USE:        amd64 consolekit elibc_glibc kernel_linux multilib
> policykit userland_GNU
>  * FEATURES:   preserve-libs sandbox
>
>  * Please install currently selected gcc version with USE=fortran.
>  * If you intend to use a different compiler then gfortran, please
>  * set FC variable accordingly and take care that the neccessary
>  * fortran dialects are support.
>
>  * ERROR: sci-libs/blas-reference-20070226 failed (setup phase):
>  *   Currently no working fortran compiler is available
>  *
>  * Call stack:
>  *          ebuild.sh, line   56:  Called pkg_setup
>  *          ebuild.sh, line 1446:  Called fortran-2_pkg_setup
>  *   fortran-2.eclass, line  134:  Called _die_msg
>  *   fortran-2.eclass, line  120:  Called die
>  * The specific snippet of code:
>  *      die "Currently no working fortran compiler is available"
>  *
>  * If you need support, post the output of 'emerge --info
> =sci-libs/blas-reference-20070226',
>  * the complete build log and the output of 'emerge -pqv
> =sci-libs/blas-reference-20070226'.
>  * The complete build log is located at
> '/var/log/portage/sci-libs:blas-reference-20070226:20110622-034357.log'.
>  * The ebuild environment file is located at
> '/var/tmp/portage/sci-libs/blas-reference-20070226/temp/die.env'.
>  * S:
> '/var/tmp/portage/sci-libs/blas-reference-20070226/work/lapack-lite-3.1.1'
>
> >>> Failed to emerge sci-libs/blas-reference-20070226, Log file:
>
> >>>
> '/var/log/portage/sci-libs:blas-reference-20070226:20110622-034357.log'
> root@fireball / #
>
> This is my gcc info:
>
> [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"
>
> So, does everyone need to turn on the fortran USE flag so that they
> don't break anything?   May I also add, the USE flag description is
> worth about as much as a screen door on a submarine.
>
> fortran - Adds support for fortran (formerly f77)
>
> That doesn't tell me very much.
>
> Heads up for folks about to do their updates, check into the USE flag
> fortran to see if you need to add it to yours before updating a bunch
> of stuff.
>
> Dale
>
> :-)  :-)
>
If I had to guess, I'd say =sci-libs/blas-reference-20070226 requires
fortran (ebuild depends on it) and you don't have another fortran
compiler installed.

Could be wrong though.

- Matt