update vmBootstrap scripts to use cmake3 (#1089)

continuousintegration/buildtree_runner/vmBootstrap/bootstrapCTA.sh

@@ -39,7 +39,7 @@ cp ~/CTA/.git/hooks/post-checkout ~/CTA/.git/hooks/post-merge
 echo Creating source rpm
 rm -rf ~/CTA-build-srpm
 mkdir -p ~/CTA-build-srpm
-(cd ~/CTA-build-srpm && cmake -DPackageOnly:Bool=true ../CTA; make cta_srpm)
+(cd ~/CTA-build-srpm && cmake3 -DPackageOnly:Bool=true ../CTA; make cta_srpm)
 
 echo Installing repos
 
@@ -65,6 +65,6 @@ sudo yum-builddep -y ~/CTA-build-srpm/RPM/SRPMS/cta-0-1.src.rpm
 echo Building CTA
 rm -rf ~/CTA-build
 mkdir -p ~/CTA-build
-(cd ~/CTA-build && cmake ../CTA; make -j 4)
+(cd ~/CTA-build && cmake3 ../CTA; make -j 4)
 
 echo CTA setup finished successfully

continuousintegration/buildtree_runner/vmBootstrap/bootstrapSystem.sh

@@ -43,7 +43,7 @@ sudo -E bash -c 'cat gitScripts/bash_profile.hook >> $CTAUSERHOME/.bash_profile'
 sudo -u $CTAUSER cp tigConf/tigrc $CTAUSERHOME/.tigrc
 
 echo Installing minimal tools and tape tools
-sudo yum install -y git cmake rpm-build gcc gcc-c++ vim gdb cgdb strace ltrace screen tig lsscsi mt-st mtx sg3_utils jq psmisc yum-plugin-versionlock krb5-workstation wget yum-utils epel-release
+sudo yum install -y git cmake cmake3 rpm-build gcc gcc-c++ vim gdb cgdb strace ltrace screen tig lsscsi mt-st mtx sg3_utils jq psmisc yum-plugin-versionlock krb5-workstation wget yum-utils epel-release
 
 echo "Getting CTA sources for $CTAUSER..."
 sudo -u $CTAUSER bash -c 'cd ~ ; git clone https://gitlab.cern.ch/cta/CTA.git'