Set Fortran compiler variables

Imported from <a href="http://trac.sagemath.org/sage_trac/ticket/13992">trac #13992</a>.



Reported by: jdemeyer

Component: build

CC: 

Report Upstream: N/A

Authors: Jeroen Demeyer

Dependencies: 

Work issues: 

Reviewers: François Bissey

Merged in: sage-5.7.beta1

Attachments: <ol><li><a href="http://trac.sagemath.org/sage_trac/attachment/ticket/13992/13992_fortran_env.patch">13992_fortran_env.patch: </a> by jdemeyer at 20130123T08:28:09</li><li><a href="http://trac.sagemath.org/sage_trac/attachment/ticket/13992/13992_inline_fortran.patch">13992_inline_fortran.patch: </a> by jdemeyer at 20130123T10:48:47</li></ol>