openmpi and gcc versions

[Denis Buffenoir]

hi

I do this:

sudo port install openmpi +gcc44 

../..
-->  Computing dependencies for openmpi
--->  Fetching gcc43
--->  Verifying checksum(s) for gcc43
--->  Extracting gcc43
--->  Applying patches to gcc43
--->  Configuring gcc43
--->  Building gcc43
--->  Staging gcc43 into destroot
--->  Installing gcc43 @4.3.4_0
--->  Activating gcc43 @4.3.4_0
--->  Cleaning gcc43
--->  Fetching openmpi
--->  Attempting to fetch openmpi-1.4.tar.bz2 from ftp://ftp.uk.FreeBSD.org/pub/FreeBSD/ports/distfiles/
--->  Verifying checksum(s) for openmpi
--->  Extracting openmpi
--->  Configuring openmpi
--->  Building openmpi
--->  Staging openmpi into destroot
--->  Installing openmpi @1.4_0+gcc43
--->  Activating openmpi @1.4_0+gcc43
--->  Cleaning openmpi

First I don't understand why he use gcc43 ?
But doesn't matter, I continu...

mpicc
i686-apple-darwin10-gcc-4.2.1: no input files


why he uses gcc42 ? What's wrong ?
thanks for any answer
Denis