[The MPI_CPPFLAGS configure substitute is deprecated. Please change your Makefile.am to use DUNEMPICPPFLAGS instead. Note that it is a good idea to change any occurance of MPI_LDFLAGS into DUNEMPILIBS and DUNEMPILDFLAGS as apropriate, since it is not possible to issue a deprecation warning in that case.])
[The MPI_CPPFLAGS configure substitute is deprecated. Please change your Makefile.am to use DUNEMPICPPFLAGS instead. Note that it is a good idea to change any occurance of MPI_LDFLAGS into DUNEMPILIBS and DUNEMPILDFLAGS as appropriate, since it is not possible to issue a deprecation warning in that case.])