Hi All, I think I am missing something here, but attempting to compile mpiBlast gets me the following: blast_hooks.c: In function `getFakeBioseq': blast_hooks.c:785: error: too few arguments to function `BlastMakeMultQueries' blast_hooks.c: In function `outputResults': blast_hooks.c:1334: error: too few arguments to function `BXMLPrintOutput' blast_hooks.c:1345: error: too few arguments to function `BXMLPrintOutput' blast_hooks.c:1493: error: too few arguments to function `BXMLPrintOutput' blast_hooks.c:1498: error: too few arguments to function `BXMLPrintOutput' mpicc: No such file or directory make[1]: *** [mpiblast-blast_hooks.o] Error 1 make: *** [all-recursive] Error 1 My setup: OS X Server 10.3.5 gcc version 3.3 20030304 (Apple Computer, Inc. build 1495) NCBI toolkit installed LAM-MPI version 7.0.6 Thanks, -Nick Brockner