To fix (actually, its still compiling now) my gcc-apple issue, I
added "sys-devel/gcc-apple -fortran" to /Library/Gentoo/etc/portage/
package.use so that gcc-4.2 continues to compile with fortran support.
I need gcc-4.2 for it's gomp (OpenMP, http://en.wikipedia.org/wiki/
OpenMP) support. I work on CSDP (a semidefinite programming library,
http://en.wikipedia.org/wiki/Semidefinite_programming, https://
projects.coin-or.org/Csdp) and using OpenMP we are seeing an extra
50% speed increase over simply using a parallelized ATLAS
(automatically tuned linear algebra software).
For anyone else who might be interested (I know you already saw this,
grobian) the steps I took to install gcc-4.2 are listed 2/3 of the
way down on this forum page: http://forums.gentoo.org/viewtopic-
p-3713019.html with the fix for an error a bit further down (gmp does
not compile unless CHOST=none-apple-darwin is in your make.conf, is
there a way to build this into the ebuild?)
Aaron
On Nov 12, 2006, at 11:43 AM, Fabian Groffen wrote:
I just figured I can't mask it, because then its also impossible to
emerge FSF GCC with that USE-flag. At least I believe you did install
FSF GCC 4.2, right? I think that's extremely cool.
--
Fabian Groffen
Gentoo on a different level
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