- Call autogen once in the same layer of the git repository clone,
- Disable build warnings (they are not relevant for QEMU),
- Call ldconfig once installed.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 tests/docker/dockerfiles/debian-amd64.docker | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tests/docker/dockerfiles/debian-amd64.docker b/tests/docker/dockerfiles/debian-amd64.docker
index 3312374304..d79a599a0d 100644
--- a/tests/docker/dockerfiles/debian-amd64.docker
+++ b/tests/docker/dockerfiles/debian-amd64.docker
@@ -24,8 +24,12 @@ RUN DEBIAN_FRONTEND=noninteractive eatmydata \
         libegl1-mesa-dev \
         libepoxy-dev \
         libgbm-dev
-RUN git clone git://anongit.freedesktop.org/virglrenderer /usr/src/virglrenderer
-RUN cd /usr/src/virglrenderer && ./autogen.sh && ./configure --with-glx --disable-tests && make install
+RUN git clone git://anongit.freedesktop.org/virglrenderer /usr/src/virglrenderer && \
+    cd /usr/src/virglrenderer && ./autogen.sh
+RUN cd /usr/src/virglrenderer && \
+    CPPFLAGS=-w ./configure --with-glx --disable-tests && \
+    make install && \
+    ldconfig
 
 # netmap
 RUN DEBIAN_FRONTEND=noninteractive eatmydata \
-- 
2.18.0