From 60eed786fab1e5d3a70e4737bcea808c187f396c Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Tue, 5 Apr 2016 11:25:15 -0400
Subject: [PATCH] [SCons] Fix fallback behavior with explicitly-specifed
 Fortran compiler

If the user has explicitly specified a Fortran compiler, we shouldn't fall back
to using a different one if the specified one cannot be found.
---
 SConstruct | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/SConstruct b/SConstruct
index 645b70393..d57850359 100644
--- a/SConstruct
+++ b/SConstruct
@@ -895,7 +895,8 @@ def check_fortran(compiler, expected=False):
             env['FORTRAN'] = compiler
             return True
     elif expected:
-        print "WARNING: Couldn't find specified Fortran compiler: '%s'" % compiler
+        print "ERROR: Couldn't find specified Fortran compiler: '%s'" % compiler
+        sys.exit(1)
 
     return False