On Aug 28, 2008, at 23:59 , Kasper Daniel Hansen wrote:
I want to get a suitable gfortran for Xcode 3.1 under Leopard in
order to build x86_64
Despite reading the "tools" and "building" pages on
r.research.att.com I am still confused. The comment on GCC 4.2 on
the "building" page seems to indicate that I should look under the
"Alternative" section on "tools".
Here I see gfortran-42.pkg which has a build of 5531. But my
version(s) of GCC are
kasper-hansens-macbook:~/Work/packages/> gcc --version
i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5484)
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There
is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
kasper-hansens-macbook:~/Work/packages/> gcc-4.2 --version
i686-apple-darwin9-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5564)
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There
is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
and at the top of the page I see gfortran-4.2.3.pkg which seems to
be a later version (but has no build information).
So which one should I use?
gfortran-42.pkg complements Apple's gcc-4.2 compiler so if you have
Apple's gcc-4.2 then that is the way to go.
I don't see "gfortran-4.2.3.pkg" on the page, but there is
"gfortran-4.2.3.dmg" which is a pure GNU Fortran (thus it doesn't have
any Apple build number) living in /usr/local, independent of the Apple
compilers. That is what we supply with R since we cannot rely on
gcc-4.2 (until recently it was not available to the public). Also it
lives in /usr/local to be fully independent.
As for the build numbers - Apple is very slow in releasing sources for
their binaries, so the current build is usually not available.
(Apparently they have put 5564 up just a few days ago, so I'll build
the updated version soon, but if you're using just the gfortran part
there will be likely no changes sine the Fortran sources come from FSF).
Cheers,
Simon
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