From 3c6083ccef110a176cdc60ea4f5a6329ca67e1b1 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@collabora.com>
Date: Mon, 30 Apr 2018 20:32:02 +0100
Subject: [PATCH] Document which GL stack we (always) use

Signed-off-by: Simon McVittie <smcv@collabora.com>
---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index 4f0f7a431..a275d1db2 100644
--- a/README.md
+++ b/README.md
@@ -117,6 +117,12 @@ Instructions for testing
       `usr/bin/env`, `usr/share/locale`, `usr/lib/python2.7` and so on,
       optionally with `bin`, `lib` etc. being symlinks into `usr`
 
+    In this mode, graphics drivers come from the host system, while
+    their dependencies (notably glibc and libstdc++) come from either
+    the host system or the runtime, whichever appears to be newer. This
+    is currently hard-coded in `pressure-vessel-wrap` and cannot be
+    configured.
+
 Design constraints
 ------------------
 
-- 
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