From ab550044acd0f685faca5684a7c5e5af34979e3d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Salvador=20de=20la=20Puente=20Gonz=C3=A1lez?=
 <salva@unoyunodiez.com>
Date: Sat, 10 Sep 2016 09:54:37 +0200
Subject: [PATCH] Adding Readme.md explanation

---
 Readme.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Readme.md b/Readme.md
index 68fb5b6353..96257e00ac 100644
--- a/Readme.md
+++ b/Readme.md
@@ -41,6 +41,12 @@ and tests there.
 
 We even run Travis tests for SassC!
 
+### DEBUG builds
+
+Set the environment variable `DEBUG` to `1` to enable debug builds that can be debugged
+with `gdb`, `lldb` and others. E.g.: use `$ DEBUG=1 ./script/spec` to run the tests with
+a debug build.
+
 Tests
 -------