Trying to get recent cmake

.travis.yml

@@ -104,7 +104,7 @@ jobs:
            CXX=$CCACHE/g++
            CMAKE_FLAGS=""
 
-    - sudo: false
+    - sudo: required
       dist: xenial
       python: "3.8"
       name: "PPC"
@@ -113,7 +113,7 @@ jobs:
            CUDA=false
            CMAKE_FLAGS=""
 
-    - sudo: false
+    - sudo: required
       dist: xenial
       python: "3.8"
       name: "ARM"
@@ -132,6 +132,11 @@ before_install:
       brew install -y https://raw.githubusercontent.com/Homebrew/homebrew-core/5b680fb58fedfb00cd07a7f69f5a621bb9240f3b/Formula/doxygen.rb;
       sudo pip install -U pytest --ignore-installed six;
     fi
+  - if [[ "${TRAVIS_CPU_ARCH}" == "ppc64le" || "${TRAVIS_CPU_ARCH}" == "arm64" ]]; then
+      cmake --version
+      sudo apt-get install cmake
+      cmake --version
+    fi
   #- if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
   #    CMAKE_URL="http://cmake.org/files/v3.7/cmake-3.7.2-Linux-x86_64.tar.gz";
   #    mkdir $HOME/cmake && travis_retry wget --no-check-certificate --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C $HOME/cmake;