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libg2c and gcc 4.1 - any resolution? [SOLVED]
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radio_flyer
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PostPosted: Wed Sep 06, 2006 7:48 pm    Post subject: libg2c and gcc 4.1 - any resolution? [SOLVED] Reply with quote

I'm running stable x86 on both my laptop and desktop systems. I used my laptop as the sacrificial victim for upgrading to the new 2006.1 profile and the gcc 4.1 compiler. Suprisingly enough for Gentoo only a handful of stable packages wouldn't compile in the transition :lol: (My list is: blas-atlas, mtink, libdv, celestia, xfractint, kpdf, xfoil, ksynaptics, xaos, xpaint, planets and rss-glx.)

Before I get to my question here's the resolution on some of the programs above for those searching for possible answers (as usual folks running the more-common ~x86 systems won't have most of these issues):

    mtink - move to the ~x86 version for now
    xpaint - move to ~x86 version for now
    kpdf - add 'app-text/poppler-bindings qt3' to /etc/portage/package.use and re-emerge poppler-bindings then kpdf
    planets - add 'dev-lang/ocaml tcltk' to /etc/portage/package.use and re-emerge dev-lang/ocaml then planets
    libdv - move to ~x86 (watch out for this https://bugs.gentoo.org/show_bug.cgi?id=121871 bug).
    xaos - move to ~x86
    xfractint - using ~x86 will allow program to compile, but it segfaults when running - still investigating


Anyway, the big issue is with xfoil -- it needs libg2c but can't find it. It seems that according to this bug:
https://bugs.gentoo.org/show_bug.cgi?id=136988
that library went away. Has anyone found a workaround for this yet?


Last edited by radio_flyer on Tue Sep 12, 2006 4:12 pm; edited 1 time in total
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helio
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PostPosted: Tue Sep 12, 2006 7:52 am    Post subject: Reply with quote

I had a similar problem, but I seem to have found a temporary resolution by creating a link to previous libg2c.a. See https://forums.gentoo.org/viewtopic-t-497504.html
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radio_flyer
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Joined: 04 Nov 2004
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PostPosted: Tue Sep 12, 2006 4:10 pm    Post subject: Reply with quote

Yup, that works, if you haven't already removed the old GCC like I did :roll:

I found and fixed my issue with xfoil, see:

https://bugs.gentoo.org/show_bug.cgi?id=147033

Apparently the new GNU fortran compiler, which targets the F90 spec level, is not entirely backwards-compatible with F77 yet.

Even though it's not truly 'solved', I'm going to mark this thread solved because the issue is esoteric and unlikely to be resolved any time soon.
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