From 4b6b1a7b98902ab9313bd95d4de7c848cb1d711d Mon Sep 17 00:00:00 2001
From: Bryan Herman <bherman@mit.edu>
Date: Tue, 27 Aug 2013 15:50:57 -0400
Subject: [PATCH] re-added back in fatal error if petsc is not compiled when
 using cmfd

---
 src/input_xml.F90 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/input_xml.F90 b/src/input_xml.F90
index a0731ee70b..6243f7a215 100644
--- a/src/input_xml.F90
+++ b/src/input_xml.F90
@@ -561,6 +561,10 @@ contains
     call lower_case(run_cmfd_)
     if (run_cmfd_ == 'true' .or. run_cmfd_ == '1') then
       cmfd_run = .true.
+#ifndef PETSC
+      message = 'CMFD is not available, recompile OpenMC with PETSc'
+      call fatal_error()
+#endif
     end if
 
   end subroutine read_settings_xml