Re: [gentoo-science] [sage-on-prefix] sympow

[Christopher Schwan]

Hi Steve,

On Monday 06 December 2010 22:13:57 Steven Trogdon wrote:
> Hi Christopher,
>
> Since sage-on-prefix is semi-official I though I would indicate an
> issue I encountered in installing Sage from sage-on-gentoo in a prefix
> on Debian Linux.

Thanks!

>
> When building sympow (sympow-1.018.1_p8-r1) the Debian system gcc
> compiler was being used instead of the Prefix gcc. This was because
> sympow provides in Configure a whichexe() function with hard-coded
> search paths. The easiest thing for me was to add:
>
>          # fix EPREFIX in whichexe() function
>          sed -i -e "s:-f \/bin:-f ${EPREFIX}\/bin:" \
>                  -e "s:echo \/bin:echo ${EPREFIX}\/bin:" \
>                  -e "s:\/usr:${EPREFIX}\/usr:g" \
>                  Configure || die "failed to fix EPREFIX in whichexe()"
>
> to src_prepare(). I didn't think about it until just recently, but
> perhaps the hard-coded paths could be removed so the prefix/gentoo
> system 'which' is used.

Yes, I simply replaced "whichexe " with "which ", which should do it.

>
> Steve

Christopher