docker: install clang since Shippable setup_ve() verify it is available

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

diff --git a/tests/docker/dockerfiles/debian9.docker b/tests/docker/dockerfiles/debian9.docker
index 056e5389cce5b869408071316c776db7bd1ed1cc..a4509950e65ba024450361a2da39917215f3e448 100644 (file)
--- a/tests/docker/dockerfiles/debian9.docker
+++ b/tests/docker/dockerfiles/debian9.docker
@@ -20,6 +20,7 @@ RUN DEBIAN_FRONTEND=noninteractive eatmydata \
         bison \
         build-essential \
         ca-certificates \
+        clang \
         flex \
         git \
         pkg-config \