John,
On Sep 3, 2009, at 7:19 PM, John C. Tull wrote:
There appears to be an Apple-supplied gfortran in /usr/bin now, but
it is i386 arch rather than 64-bit. I'm not sure if you can use it
to build a 64-bit R or not. It is also version 4.2.1.
I suspect you may have installed the Leopard gfortran-4.2 previously
and then upgraded your OS and Xcode (there is no gfortran in stock
Xcode 3.2). That will work, but it is 32-bit by default since it comes
from Xcode 3.1.x which was 32-bit by default (you can still compile 64-
bit with it by using -arch x86_64).
Cheers,
Simon
On Sep 3, 2009, at 3:16 PM, Tony Chiang wrote:
Sorry, I forgot to mention that I had downloaded and installed the
gfortran
4.2.3 from here
http://r.research.att.com/tools/#gcc42
dhcp151062:R-devel tc$ gfortran --version
GNU Fortran (GCC) 4.2.3
On Thu, Sep 3, 2009 at 3:14 PM, Tony Chiang <tchi...@fhcrc.org>
wrote:
Hi,
So I am trying to configure and build the latest of R-devel on one
of the
new Macbook Pro's running Snow leopard. I have installed the
latest X-Code
tools (downloaded from the Apple Site) and have gcc installed:
gcc --versioni686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc.
build
5646)
So as I am trying to configure, I get this error message:
...cut...
checking for Fortran 77 libraries of gfortran... -L/usr/local/lib
-L/usr/local/lib/gcc/i686-apple-darwin8/4.2.3
-L/usr/local/lib/gcc/i686-apple-darwin8/4.2.3/../../.. -
lgfortranbegin
-lgfortran
checking how to get verbose linking output from gcc -std=gnu99...
-v
checking for C libraries of gcc -std=gnu99... -lcrt1.10.6.o
-L/usr/local/lib -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/x86_64
-L/usr/lib/i686-apple-darwin10/4.2.1
-L/usr/lib/gcc/i686-apple-darwin10/4.2.1
-L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../../i686-apple-
darwin10/4.2.1
-L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../.. -lSystem
checking for dummy main to link with Fortran 77 libraries... rm:
conftest.dSYM: is a directory
none
checking for Fortran 77 name-mangling scheme... rm:
conftest.dSYM: is a
directory
unknown
configure: WARNING: unknown Fortran name-mangling scheme
checking whether gfortran appends underscores to external
names... unknown
configure: error: cannot use Fortran
I have not seen any messages quite like this on the mailing list.
What is
pretty strange is the conftest.dSYM needs to be removed (?) for
some reason
but is a directory. Any ideas or suggestions on how to resolve this?
Best,
--Tony
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