From 86b9f1a3f2135f424c79e44ae3d2972465aac119 Mon Sep 17 00:00:00 2001
From: Laura Arjona Reina <larjona@debian.org>
Date: Sun, 7 Jun 2020 16:09:58 +0200
Subject: mention STRICT_ERROR_CHECKS=1 and USE_SAMPLE_FILES=1. Closes: #924140

---
 README | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'README')

diff --git a/README b/README
index 30ba754638a..155f9470494 100644
--- a/README
+++ b/README
@@ -43,6 +43,23 @@ tidy and URL checks...). See https://www.debian.org/devel/website/ for details
 
 ------------------
 
+When building, you can pass STRICT_ERROR_CHECKS=1 to make, if you want the build
+to stop when errors due to missing dependencies or missing data are found.
+
+For a local build you probably need to use the USE_SAMPLE_FILES=1 setting, to 
+use (small) sample files for data that is usually generated from cronjobs on the
+official website. Examples include:
+
+    $(ENGLISHSRCDIR)/devel/people.names
+    $(DATADIR)/Maintainers
+    $(ENGLISHSRCDIR)/$(CUR_DIR)/data/%
+    $(L10N_DIR)/data/%
+    $(ENGLISHDIR)/mirror/Mirrors.masterlist
+
+See README_CI.gitlab-ci.yml for an example of the use of these settings.
+
+------------------
+
 To see the results of a build before pushing it out to the mirror network 
 you can build in www-master.debian.org and then have a look at:
 
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