my $pjrec_ver = "$::bindir/pjrec";
my $phm2pj_ver = "$::bindir/phm2pj";
my $phm2if_ver = "$::bindir/phm2if";
-my $diff_ver = "$::bindir/if-2";
+my $diff_ver = "$::bindir/if2";
$pjrec_ver = "/opt/lam/bin/mpirun N N $::lamrundir/pjrec-lam" if $MPI;
$phm2pj_ver = "/opt/lam/bin/mpirun N N $::lamrundir/phm2pj-lam" if $MPI;