Tony,
On Sep 3, 2009, at 6:14 PM, Tony Chiang wrote:
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:
What is the exact configure command you're running? I suspect that
your problem is a 32-bit vs 64-bit mismatch, because SL changed the
gcc default to 64-bit whereas the gfortran default is 32-bit, so you
have to make sure your archs match (depending on which you actually
want to build) - ideally you should specify -arch for all compilers
(as the CRAN binary does - also see the FAQ).
Cheers,
Simon
...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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