Work around Mesa regresion #1025312 by forcing software rendering

We expect only software rendering to be available in typical buildd or
autopkgtest environments anyway, so this is no real loss.

diff --git a/debian/tests/run-with-display b/debian/tests/run-with-display
index 3fa2d46e3ba888976ffa800aa3fe519436f2e2bb..bd6a1d21caf149d67e253cc14ff8900186cc1b54 100755 (executable)
--- a/debian/tests/run-with-display
+++ b/debian/tests/run-with-display
@@ -26,6 +26,9 @@ usage () {
     exit "$status"
 }
 
+# Workaround for https://bugs.debian.org/1025312
+export LIBGL_ALWAYS_SOFTWARE=1
+
 display="$1"
 
 case "$display" in