add audiowmark to klarlack image

container/Dockerfile.klarlack

@@ -36,6 +36,28 @@ RUN apt-get install -y varnish=${VERSION} \
     varnish-modules \
     varnish-objvar
 
+# watermark related
+# XXX build package separately and install binary
+RUN apt-get install -y \
+    gcc git \
+    build-essential \
+    libfftw3-dev \
+    libsndfile1-dev \
+    automake \
+    autoconf \
+    libtool \
+    autoconf-archive \
+    libgcrypt20-dev \
+    libzita-resampler-dev \
+    libmpg123-dev
+
+RUN git clone https://code.uplex.de/stefan/audiowmark.git && \
+    pushd audiowmark && \
+    ./autogen.sh && \
+    make && make install && \
+    popd && rm -rf audiowmark
+
+
 RUN apt-get remove -y -q curl gnupg && \
     apt-get autoremove -y -q && \
     apt-get clean && \