From e7832b67ea986d6eff1c13baa93ed1ea9a8722e4 Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Mon, 26 Oct 2020 15:17:28 -0400
Subject: try to prevent silent failure

---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index ec4144058..16d9662dd 100644
--- a/Makefile
+++ b/Makefile
@@ -39,6 +39,7 @@ build-stamp libfido2/build-stamp dh-runit/build-stamp:
 	touch $@
 
 $(package_files): build-stamp
+	for pkg in $(package_files); do [ -e "$$pkg" ] || exit; done
 
 $(fido_package_files): libfido2/build-stamp
 $(dh_runit_package_files): dh-runit/build-stamp
-- 
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