Here's what I've got:
Cmake: 2.8.3
OS X: 10.5.x
gfortran: 4.5.1

I'm trying to build a Fortran program on OS X using CMake.  I'm trying to write 
CMakeLists.txt files that can handle either the GNU fortran compiler or the 
Intel fortran compiler.

When set CMAKE_OSX_ARCHITECTURES to x86_64, the resulting makefiles end up 
supplying "-arch x86_64" to the gfortran command line.  That flag is 
appropriate for the Intel fortran compiler but it isn't valid for gfortran, 
even on a Mac.  It should be "-m64".

Does anyone know of a good way around this?


Christian Convey
Scientist, NUWC Division Newport
1176 Howell St., Newport, RI 02842
email: christian.con...@navy.mil
phone: (401) 832-6824
fax: (401) 832-4749


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