[R-SIG-Mac] Error in gfortran packaged with R binaries

Simon Urbanek simon.urbanek at r-project.org
Thu Feb 15 04:56:25 CET 2007


this is just a quick note from down under ;). If you're building R- 
devel, I'm recommending latest Xcode (2.4.1 or higher) + HPC fortran.

For a joyful 64-bit gfortran experience you'll need Apple's gcc  
driver which I have provided (see my 64-bit Intel announcement e-mail  
on this list earlier - it has the full description, I can't test it  
here) and you also want to lipo usr/local/lib/x86_64/ 
libgfortran.?.?.?.dylib into usr/local/lib, because that's where it  
really belongs. Unfortunately HPC doesn't provide ppc64 target in the  
Intel gfortran which is a real pity, but we'll have to live with  
it... (for now)

Anyway, the above will allow you to do CC='gcc -arch x86_64'  
F77='gfortran -arch x86_64' FC=... etc. And in fact you can run  
CC='gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64' CPP='gcc -E'  
for readline, png, Xorg and friends - great fun.


On Feb 15, 2007, at 11:05 AM, Bill Northcott wrote:

> On 14/02/2007, at 8:19 PM, stefano iacus wrote:
>> it seems to me that Simon discourage to use fortran from (old) R
>> binary and, indeed 2.4.1 boundle does not contain fortran compiler
>> as far as I remember (I cannot check right now).
> It is still there in the binary I pulled off CRAN yesterday.
>> Also, gfortran from hpc.sourge* is the way to go.
> Is that what is used to build the CRAN binary?  If I use the hpc
> compiler, how do I get a ppc64 or x86_64 build?
>> Simon is actually in NZ so maybe we need some time to get some  
>> answer.
> I am just recovering from my own trip to NZ over Christmas - great
> fun, but I needed surgery for the knee damage after tramping the
> Routeburn.
> Cheers
> Bill
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