[Rd] Snow leopard ./configure "cannot compile a simple Fortran program"

[Simon Urbanek]

Jeff,

On Sep 22, 2009, at 6:12 PM, Jeff Hamann wrote:

> I hope this is the place for this...
>

Yes, indeed.


> I have to rebuild from scratch under Snow Leopard, and when I  
> attempted to build R-2.9.1, I get the following results from ./ 
> configure:
>
>
> checking how to get verbose linking output from fc... configure:  
> WARNING: compilation failed
>
> checking for Fortran 77 libraries of fc...

  ^^--- I think you don't have a Fortran compiler. fc is a utility on  
SL that has nothing to do with Fortran and Xcode doesn't include  
Fortran, either. Please install GNU Fortran either from CRAN
http://cran.r-project.org/bin/macosx/tools/
or if you feel brave take the Xcode 3.2 add on from
http://r.research.att.com/gfortran-42-5646.pkg

Also please don't forget to add -arch i386 or -arch x86_64 to the  
compilers when configuring R (see R for Mac FAQ) - the defaults are  
different between gcc (64-bit) and gfortran (32-bit)!

Cheers,
Simon

PS: There is usually no need to compile R from sources on OS X - see
http://r.research.att.com/
for the latest R release in both 32 and 64-bit for Leopard/Snow Leopard.


> 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... configure: error:  
> cannot compile a simple Fortran program
> See `config.log' for more details.
> Jeff-Hamanns-MacBook-Pro:R-2.9.1 hamannj
>
> Since this seems to be a 'fortran thing' methinks I should send this  
> to Apple as well?
>
> Jeff-Hamanns-MacBook-Pro:R-2.9.1 hamannj$ uname -a
> Darwin Jeff-Hamanns-MacBook-Pro.local 10.0.0 Darwin Kernel Version  
> 10.0.0: Fri Jul 31 22:47:34 PDT 2009; root:xnu-1456.1.25~1/ 
> RELEASE_I386 i386
> Jeff-Hamanns-MacBook-Pro:R-2.9.1 hamannj$
>
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