1 files changed, 12 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index 53e8bfc..e91c2c0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -92,6 +92,18 @@ basepython = python3
 deps = -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
+[testenv:bindep]
+basepython = python3
+# Do not install any requirements. We want this to be fast and work even if
+# system dependencies are missing, since it's used to tell you what system
+# dependencies are missing! This also means that bindep must be installed
+# separately, outside of the requirements files, and develop mode disabled
+# explicitly to avoid unnecessarily installing the checked-out repo too (this
+# further relies on "tox.skipsdist = True" above).
+deps = bindep
+commands = bindep test
+usedevelop = False
+
 [testenv:lower-constraints]
 basepython = python3
 install_command = pip install {opts} {packages}