Update cpoll_cppsp.dockerfile silent

Author: joanhey

frameworks/C++/cpoll_cppsp/cpoll_cppsp.dockerfile

@@ -1,19 +1,19 @@
 FROM buildpack-deps:xenial
 
-RUN apt-get update -yqq && apt-get install -yqq software-properties-common unzip
+RUN apt-get update -yqq > /dev/null && apt-get install -yqq software-properties-common unzip > /dev/null
 
-RUN apt-get install -yqq g++-4.8 libjson0-dev
-RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 50
+RUN apt-get install -yqq g++-4.8 libjson0-dev > /dev/null
+RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 50 > /dev/null
 
 WORKDIR /installs
 
 ENV VERSION=0.2.3
 ENV CPPSP_HOME=/installs/cppsp_$VERSION
 
 RUN wget -q http://downloads.sourceforge.net/project/cpollcppsp/CPPSP%200.2%20%28testing%29/cppsp_$VERSION.tar.xz
-RUN tar xf cppsp_$VERSION.tar.xz
+RUN tar xf cppsp_$VERSION.tar.xz --quiet
 
-RUN mv cppsp_rel$VERSION/ $CPPSP_HOME
+RUN mv cppsp_rel$VERSION/ $CPPSP_HOME 
 
 RUN sed -i 's|CXX := .*|CXX := g++-4.8|g' $CPPSP_HOME/makefile
 RUN sed -i 's|-Wall|-w|g' $CPPSP_HOME/makefile
@@ -23,7 +23,7 @@ ENV CPLUS_INCLUDE_PATH=/usr/include/postgresql:/usr/include/postgresql/9.5/serve
 ADD ./ /cpoll_cppsp
 WORKDIR /cpoll_cppsp
 
-RUN make clean && make
+RUN make clean && make --silent
 
 WORKDIR $CPPSP_HOME