From f7fdb2d34bc0d799836e6c7e0f724d98a592a25a Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 31 Mar 2020 15:49:11 +0100
Subject: [PATCH] quacks-ingredients: -counts: Skip empty outputs

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 quacks-ingredients-counts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/quacks-ingredients-counts b/quacks-ingredients-counts
index a96ac16..ae55648 100755
--- a/quacks-ingredients-counts
+++ b/quacks-ingredients-counts
@@ -60,6 +60,7 @@ sub wrtoplevel () {
     print "module ${which}_$name(){ ////toplevel\n";
     my $cs = $count{$name};
     my $total = 0; $total += $_ foreach values %$cs;
+    return unless $total;
     my $rowsz = ceil(sqrt($total));
     my $nrows = ceil($total / $rowsz);
     $total_count += $total;
-- 
2.30.2