[paraview/epel7] Set PYTHONPATH if needed for mpich build

[Orion Poplawski]

commit 6cf0f31967916bf318dce939bbaf106f554914e4
Author: Orion Poplawski <orion at cora.nwra.com>
Date:   Thu Oct 2 14:29:21 2014 -0600

    Set PYTHONPATH if needed for mpich build

 paraview.spec |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/paraview.spec b/paraview.spec
index 08b7411..8d9168b 100644
--- a/paraview.spec
+++ b/paraview.spec
@@ -325,6 +325,9 @@ popd
 mkdir fedora-mpich
 pushd fedora-mpich
 %{_mpich_load}
+# EL7 mpich module doesn't set PYTHONPATH
+# https://bugzilla.redhat.com/show_bug.cgi?id=1148992
+[ -z "$PYTHONPATH" ] && export PYTHONPATH=$MPI_PYTHON_SITEARCH
 cmake .. \
         -DCMAKE_INSTALL_PREFIX:PATH=%{_libdir}/mpich \
         -DVTK_INSTALL_INCLUDE_DIR:PATH=include/paraview \