In the release version of open-mpi 1.6 cxx/constants.h header file on line 54 there is an extra semi-colon at the end of line. This causes the clang compiler to fail on a Mac when the header is included.
JTF -- John T. Foster Assistant Professor Mechanical Engineering Department The University of Texas at San Antonio AET 2.330 One UTSA Circle San Antonio, TX 78249 210.458.5521 john.fos...@utsa.edu