new mandatory MPI4PY_ROOT_DIR variable when compiling with MPI

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 806b818c5341c8ecae9ab6b3e68fd3e8aa6068f4..bc97a93d0123d3c72b35de5c1187c6e5bef8e9e0 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -78,6 +78,7 @@ endif( DEFINED ENV{MPI_HOME} OR MPI_HOME )
 
 # Definition of MPI4PY_ROOT_DIR
 if(   ${SOLVERLAB_WITH_PYTHON} AND ${SOLVERLAB_WITH_MPI} AND NOT ${MPI4PY_ROOT_DIR})
+  message(STATUS "Defining MPI4PY directory" )
   if(    DEFINED $ENV{MPI4PY_ROOT_DIR})
     set(MPI4PY_ROOT_DIR $ENV{MPI4PY_ROOT_DIR})
   else(  DEFINED $ENV{MPI4PY_ROOT_DIR})
@@ -85,10 +86,10 @@ if(   ${SOLVERLAB_WITH_PYTHON} AND ${SOLVERLAB_WITH_MPI} AND NOT ${MPI4PY_ROOT_D
   endif( DEFINED $ENV{MPI4PY_ROOT_DIR})
 endif(${SOLVERLAB_WITH_PYTHON} AND ${SOLVERLAB_WITH_MPI} AND NOT ${MPI4PY_ROOT_DIR})
 
-if(    $MPI4PY_ROOT_DIR)
+if(    MPI4PY_ROOT_DIR)
   message(STATUS "MPI4PY directory is ${MPI4PY_ROOT_DIR}" )
   SET(CMAKE_SWIG_FLAGS ${CMAKE_SWIG_FLAGS} -DMPI4PY_ROOT_DIR=${MPI4PY_ROOT_DIR})
-endif( $MPI4PY_ROOT_DIR)
+endif( MPI4PY_ROOT_DIR)
 
 ############################
 # Definition of HDF5_ROOT  #