tests/docker: Include 'ccache' in Debian base image

Include the 'ccache' package to speed up compilation.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201213211601.253530-1-f4bug@amsat.org>
Fixes: d6db2a1cdf ("docker: add debian-buster-arm64-cross")
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

diff --git a/tests/docker/dockerfiles/debian10.docker b/tests/docker/dockerfiles/debian10.docker
index 73a3caac9cd21084f17f668c2495b9a76396dad1..9d42b5a4b81ac075dd1f932c6d8d4974df5dd8c7 100644 (file)
--- a/tests/docker/dockerfiles/debian10.docker
+++ b/tests/docker/dockerfiles/debian10.docker
@@ -20,6 +20,7 @@ RUN apt update && \
         bc \
         build-essential \
         ca-certificates \
+        ccache \
         clang \
         dbus \
         gdb-multiarch \