Conda packages for cmake and swig

.travis.yml

@@ -134,18 +134,30 @@ before_install:
     fi
   # The cmake version installed by apt on ARM and PPC is very old,
   # so build a more recent version from source.
-  - if [[ "${TRAVIS_CPU_ARCH}" == "ppc64le" || "${TRAVIS_CPU_ARCH}" == "arm64" ]]; then
-      sudo apt remove cmake;
-      pushd ${HOME};
-      wget https://github.com/Kitware/CMake/releases/download/v3.17.1/cmake-3.17.1.tar.gz;
-      tar xf cmake-3.17.1.tar.gz;
-      cd cmake-3.17.1;
-      ./bootstrap --prefix=${HOME}/cmake;
-      make -j 4;
-      make install;
-      export PATH=${HOME}/cmake/bin:${PATH};
-      echo ${PATH};
-      popd;
+  #- if [[ "${TRAVIS_CPU_ARCH}" == "ppc64le" || "${TRAVIS_CPU_ARCH}" == "arm64" ]]; then
+  #    sudo apt remove cmake;
+  #    pushd ${HOME};
+  #    wget https://github.com/Kitware/CMake/releases/download/v3.17.1/cmake-3.17.1.tar.gz;
+  #    tar xf cmake-3.17.1.tar.gz;
+  #    cd cmake-3.17.1;
+  #    ./bootstrap --prefix=${HOME}/cmake;
+  #    make -j 4;
+  #    make install;
+  #    export PATH=${HOME}/cmake/bin:${PATH};
+  #    echo ${PATH};
+  #    popd;
+  #  fi
+  - if [[ "${TRAVIS_CPU_ARCH}" == "ppc64le" ]]; then
+      wget https://anaconda.org/conda-forge/cmake/3.17.0/download/linux-ppc64le/cmake-3.17.0-hfb1cb51_0.tar.bz2;
+      mkdir $HOME/cmake;
+      tar -xjvf cmake-3.17.0-hfb1cb51_0.tar.bz2 -C $HOME/cmake;
+      export PATH=$HOME/cmake/bin:$PATH;
+    fi
+  - if [[ "${TRAVIS_CPU_ARCH}" == "arm64" ]]; then
+      wget https://anaconda.org/conda-forge/cmake/3.17.0/download/linux-aarch64/cmake-3.17.0-h28c56e5_0.tar.bz2;
+      mkdir $HOME/cmake;
+      tar -xjvf cmake-3.17.0-h28c56e5_0.tar.bz2 -C $HOME/cmake;
+      export PATH=$HOME/cmake/bin:$PATH;
     fi
   #- if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
   #    CMAKE_URL="http://cmake.org/files/v3.7/cmake-3.7.2-Linux-x86_64.tar.gz";
@@ -169,7 +181,7 @@ before_install:
   # OpenCL, we skip the Python wrapper for speed. We're not using anaconda
   # python, but this is a fast way to get an apparently functional precompiled
   # build of swig that's more modern than what's in apt.
-  - if [[ "$OPENCL" == "false" && "$CUDA" == "false" && "$TRAVIS_OS_NAME" == "linux" ]]; then
+  - if [[ "$OPENCL" == "false" && "$CUDA" == "false" && "$TRAVIS_OS_NAME" == "linux" && "${TRAVIS_CPU_ARCH}" != "ppc64le" && "${TRAVIS_CPU_ARCH}" != "arm64" ]]; then
       wget http://anaconda.org/omnia/swig/3.0.7/download/linux-64/swig-3.0.7-0.tar.bz2;
       mkdir $HOME/swig;
       tar -xjvf swig-3.0.7-0.tar.bz2 -C $HOME/swig;
@@ -177,6 +189,22 @@ before_install:
       export SWIG_LIB=$HOME/swig/share/swig/3.0.7;
       pip install cython;
     fi
+  - if [[ "${TRAVIS_CPU_ARCH}" == "ppc64le" ]]; then
+      wget https://anaconda.org/conda-forge/swig/4.0.1/download/linux-ppc64le/swig-4.0.1-hb209c28_0.tar.bz2;
+      mkdir $HOME/swig;
+      tar -xjvf swig-4.0.1-hb209c28_0.tar.bz2 -C $HOME/swig;
+      export PATH=$HOME/swig/bin:$PATH;
+      export SWIG_LIB=$HOME/swig/share/swig/4.0.1;
+      pip install cython;
+    fi
+  - if [[ "${TRAVIS_CPU_ARCH}" == "arm64" ]]; then
+      wget https://anaconda.org/conda-forge/swig/4.0.1/download/linux-aarch64/swig-4.0.1-he1b5a44_0.tar.bz2;
+      mkdir $HOME/swig;
+      tar -xjvf swig-4.0.1-he1b5a44_0.tar.bz2 -C $HOME/swig;
+      export PATH=$HOME/swig/bin:$PATH;
+      export SWIG_LIB=$HOME/swig/share/swig/4.0.1;
+      pip install cython;
+    fi
   - if [[ "$OPENCL" == "false" && "$CUDA" == "false" && "$TRAVIS_OS_NAME" == "osx" ]]; then
       wget http://anaconda.org/omnia/swig/3.0.7/download/osx-64/swig-3.0.7-0.tar.bz2;
       mkdir $HOME/swig;