Yard won't attempt to make /dev on compressed fs and ro if /dev is a symbolic

link, won't complain when there is an unitialized value in concatation in
Boot,  Ramdisk_size is always 4096 for mtdram, this setting isn't really
necessary, but is left anyways.

BootRoot/BootRoot.pm

@@ -38,6 +38,10 @@ use File::Basename;
 use File::Find;
 use File::Path;
 
+$SIG{__WARN__} = 
+    sub { warn @_ unless $_[0] =~ /Subroutine [\w:]+ redefined/io 
+	      || $_[0] =~ /Use of uninitialized value in concatenation/};
+
 # If you want gBootRoot to do it's stuff somewhere else, change the
 # value for $tmp1.
 my $tmp1 = "/tmp";              # tmp should be default - Cristian
@@ -1922,10 +1926,8 @@ sub uml_box {
 						  
 						  # ramdisk_size
 						  if ( !$ramdisk_size ) {
-						      $ramdisk_size = "ramdisk_size=$total_size";
-						      if ( $ramdisk_size < 4096 ) {
-							  $ramdisk_size = 4096;
-						      }
+						      #$ramdisk_size = "ramdisk_size=$total_size";
+						      $ramdisk_size = "ramdisk_size=4096";
 						  }
 						  else {
 						      undef $ramdisk_size;

BootRoot/Yard.pm

@@ -1479,6 +1479,31 @@ sub create_expect_uml {
 	if ( $uml_exclusively ) {
 
 
+	    if ( $fs_type eq "mkcramfs" || $fs_type eq "genromfs" ||
+		 $fs_type eq "mkfs.jffs" || $fs_type eq "mkfs.jffs2") {
+
+		my $mount_pt = dirname($device);
+
+		# fail-safe /dev and /initrd directory check
+		if ( -f "$mount_pt/loopback/dev" || 
+		     -l "$mount_pt/loopback/dev" ) {
+		    warning("$mount_pt/loopback/dev isn't a directory " .
+			    "not a file\n");
+		} 
+		elsif ( !-d "$mount_pt/loopback/dev" ) {
+		    errmk(sys("mkdir $mount_pt/loopback/dev"));
+		}
+
+		if ( -f "$mount_pt/loopback/initrd" ) {
+		    warning("$mount_pt/loopback/initrd should be a directory" .
+			    " not a file\n");
+		} 
+		elsif ( !-d "$mount_pt/loopback/initrd" ) {
+		    errmk(sys("mkdir $mount_pt/loopback/initrd"));
+		}
+
+	    }
+
 	    my $expect_program = "/usr/lib/bootroot/expect_uml";
 	    my $version = "2.4";
 	    my $ubd0 =
@@ -1517,8 +1542,7 @@ sub create_expect_uml {
 		# Will just keep appending _cramfs .. leaving it to the
 		# user to realize this is happening, that way the user
 		# has control over the dd file.
-##		$fs_type eq "mkcramfs" ? ($device = $device . "_cramfs") : 
-##		    ($device = $device . "_romfs");
+		
 
 		if ( $fs_type eq "mkcramfs" ) {
 		    $device = $device . "_cramfs";