These need to invoke cmake3 explicitly as well. Missed them in 28b7f03

Author: Chad Dougherty

script/docker/centos7/Dockerfile

@@ -6,7 +6,7 @@ RUN yum -q -y install sudo wget
 
 RUN /bin/bash -c "source ./peloton/script/installation/packages.sh"
 
-RUN mkdir /peloton/build && cd /peloton/build && cmake -DCMAKE_BUILD_TYPE=Release -DCOVERALLS=False .. && make -j4 && make install
+RUN mkdir /peloton/build && cd /peloton/build && cmake3 -DCMAKE_BUILD_TYPE=Release -DCOVERALLS=False .. && make -j4 && make install
 
 ENV PATH=$(BUILD_DIR)/bin:$PATH
 ENV LD_LIBRARY_PATH=$(BUILD_DIR)/lib:$LD_LIBRARY_PATH

script/docker/centos7/Dockerfile-jenkins

@@ -7,13 +7,13 @@ RUN yum -q -y install sudo wget clang
 RUN /bin/bash -c "source ./peloton/script/installation/packages.sh"
 
 RUN echo -n "Peloton Debug build with "; g++ --version | head -1
-RUN mkdir /peloton/build && cd /peloton/build && cmake -DCMAKE_BUILD_TYPE=Debug -DCOVERALLS=False .. && make -j4 && make install
+RUN mkdir /peloton/build && cd /peloton/build && cmake3 -DCMAKE_BUILD_TYPE=Debug -DCOVERALLS=False .. && make -j4 && make install
 
 RUN echo -n "Peloton Release build with "; g++ --version | head -1
-RUN rm -rf /peloton/build && mkdir /peloton/build && cd /peloton/build && cmake -DCMAKE_BUILD_TYPE=Release -DCOVERALLS=False .. && make -j4 && make install
+RUN rm -rf /peloton/build && mkdir /peloton/build && cd /peloton/build && cmake3 -DCMAKE_BUILD_TYPE=Release -DCOVERALLS=False .. && make -j4 && make install
 
 RUN echo -n "Peloton Debug build with "; clang++ --version | head -1
-RUN rm -rf /peloton/build && mkdir /peloton/build && cd /peloton/build && CC=clang CXX=clang++ cmake -DCMAKE_BUILD_TYPE=Debug -DCOVERALLS=False .. && make -j4 && make install
+RUN rm -rf /peloton/build && mkdir /peloton/build && cd /peloton/build && CC=clang CXX=clang++ cmake3 -DCMAKE_BUILD_TYPE=Debug -DCOVERALLS=False .. && make -j4 && make install
 
 RUN echo -n "Peloton Release build with "; clang++ --version | head -1
-RUN rm -rf /peloton/build && mkdir /peloton/build && cd /peloton/build && CC=clang CXX=clang++ cmake -DCMAKE_BUILD_TYPE=Release -DCOVERALLS=False .. && make -j4 && make install
+RUN rm -rf /peloton/build && mkdir /peloton/build && cd /peloton/build && CC=clang CXX=clang++ cmake3 -DCMAKE_BUILD_TYPE=Release -DCOVERALLS=False .. && make -j4 && make install