An unknown module name pass to --module died with a undef hash reference,

which is pretty unfriendly. Die with an error instead.

1 files changed, 2 insertions, 0 deletions

diff --git a/configure.pl b/configure.pl
index 66ca7f8ca..324b979e6 100755
--- a/configure.pl
+++ b/configure.pl
@@ -903,6 +903,8 @@ sub find_mp_bits {
     my $seen_mp_module = undef;
 
     foreach my $modname (@modules_list) {
+        die "Unknown module $modname\n" unless defined $MODULES{$modname};
+
         my %modinfo = %{ $MODULES{$modname} };
         if($modinfo{'mp_bits'}) {
             if(defined($seen_mp_module) and $modinfo{'mp_bits'} != $mp_bits) {