Add placeholder for MPI_DIR
@@ -64,6 +64,7 @@ MPI_VERSION=3
SWIFT_T_CHECK_MPICC=1
# Enable custom MPI settings
SWIFT_T_CUSTOM_MPI=0
+# MPI_DIR=/path/to/mpi
# MPI_INCLUDE=/path/to/mpi/include
# MPI_LIB_DIR=/path/to/mpi/lib
# MPI_LIB_NAME=funny.mpi.a
