<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt"><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><span><br></span></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Hi,</div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 13px; color: rgb(0, 0, 0); background-color: transparent; font-style: normal;">I am trying to compile IpOpt with MUMPS, and got the following error when making the software:</div><div style="font-family: arial, helvetica, sans-serif; font-size: 13px; color: rgb(0, 0, 0); background-color: transparent; font-style: normal;"><br></div><div style="background-color: transparent;"><font size="2">IpMumpsSolverInterface.cpp:20:18: error: mpi.h: No such file or directory</font></div><div style="font-family: arial, helvetica,
sans-serif; font-size: 10pt;"><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Does anyone know what version of mpi.h this is supposed to be and where I can find it? Thanks for the help!</div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Jeff</div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><br></div> </div></body></html>