building atlas fails

don magnify magnuscelzious at
Fri Jul 3 21:31:59 PDT 2015

hi all..

check out this awesomeness:

$ sudo port install atlas
--->  Configuring atlas
Selected C compiler: /usr/bin/clang
Error: org.macports.configure for port atlas returned: Atlas could not
detect any fortran compiler. If you really don’t need the fortran interface
to be built, please use the +nofortran option, else install a fortran
compiler (e.g. gcc4X) before building Atlas.
Please see the log file for port atlas for details:

To report a bug, follow the instructions in the guide:
Error: Processing of port atlas failed

$ gcc -v
Using built-in specs.
Target: i686-apple-darwin11
Configured with:
--disable-checking --enable-werror
--mandir=/share/man --enable-languages=c,objc,c++,obj-c++
--program-prefix=llvm- --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/
--with-slibdir=/usr/lib --build=i686-apple-darwin11
--program-prefix=i686-apple-darwin11- --host=x86_64-apple-darwin11
--target=i686-apple-darwin11 --with-gxx-include-dir=/usr/include/c++/4.2.1
Thread model: posix
gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)

can anybody let me know why is the atlas build complaining that "could not
detect any fortran compiler"? it suggests "install a fortran compiler (e.g.
gcc4X) before building Atlas". but clearly i do have a gcc4X installed...

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