old school make

Dockerfile

@@ -11,23 +11,11 @@ RUN apt-get update > /dev/null && \
   apt install -y git build-essential cmake swig lsb-release python3-pip autoconf libtool zlib1g-dev > /dev/null && \
   git clone -b ${ORTOOLS_VERSION} https://github.com/google/or-tools /srv/or-tools
 
-# tmp until ruby image have the good cmake version
-RUN curl 'https://github.com/Kitware/CMake/releases/download/v3.15.7/cmake-3.15.7.tar.gz' -s -L -R -o cmake.tar.gz && \
-  tar -zxvf cmake.tar.gz && \
-  cd cmake-3.15.7 && \
-  ./bootstrap && \
-  make && \
-  make install && \
-  cd .. && \
-  rm -R cmake-3.15.7 cmake.tar.gz
-
 WORKDIR /srv/or-tools
-RUN /usr/local/bin/cmake -S . -B build -DBUILD_DEPS=ON -DBUILD_PYTHON=ON && \
-  /usr/local/bin/cmake --build build --config Release --target install -v
+RUN make third_party && \
+  make cc
 
 ADD . /srv/optimizer-ortools
-
 WORKDIR /srv/optimizer-ortools
-RUN make tsp_simple && \
-  cd .. && \
-  rm -R /srv/or-tools
+RUN rm -R /srv/or-tools/docs /srv/or-tools/examples && \
+  make tsp_simple