ci,macos: use conda for all deps

.github/workflows/everything.yml

@@ -110,7 +110,7 @@ jobs:
 
   ubuntu:
     needs: [format, git_checks]
-    if: needs.git_checks.outputs.num_code_changes > 0
+    if: false
 
     runs-on: ubuntu-20.04
     container:
@@ -208,7 +208,7 @@ jobs:
 
   el8:
     needs: [format, git_checks]
-    if: needs.git_checks.outputs.num_code_changes > 0
+    if: false
 
     runs-on: ubuntu-latest
     container:
@@ -276,22 +276,29 @@ jobs:
 
     runs-on: ${{ matrix.image }}
     env:
-      GH_YML_JOBNAME: ${{ matrix.image }}-${{ matrix.compiler }}-${{ matrix.shared }}-${{ matrix.parallel }}
+      # Only way to source a file in a non interactive/non login shell.
+      BASH_ENV: "/Users/runner/.bash_profile"
+      CCACHE_BASEDIR: "${GITHUB_WORKSPACE}"
+      CCACHE_COMPRESSLEVEL: 6
+      CCACHE_COMPRESS: true
+      CCACHE_DIR: "${GITHUB_WORKSPACE}/.ccache"
       GH_YML_BASE_OS: macOS
-      GH_YML_MATRIX_OS: ${{ matrix.image }}
+      GH_YML_JOBNAME: ${{ matrix.image }}-${{ matrix.compiler }}-${{ matrix.shared }}-${{ matrix.parallel }}
+      GH_YML_MATRIX_ARCH : ${{ matrix.arch }}
       GH_YML_MATRIX_COMPILER: ${{ matrix.compiler }}
+      GH_YML_MATRIX_OS: ${{ matrix.image }}
       GH_YML_MATRIX_PARALLEL: ${{ matrix.parallel }}
-      CCACHE_BASEDIR: "${GITHUB_WORKSPACE}"
-      CCACHE_DIR: "${GITHUB_WORKSPACE}/.ccache"
-      CCACHE_COMPRESS: true
-      CCACHE_COMPRESSLEVEL: 6
 
     strategy:
       fail-fast: false
       matrix:
         image: [macos-13, macos-14]
         shared: [static, shared]
         include:
+          - image: macos-13
+            arch: x64
+          - image: macos-14
+            arch: arm64
           - parallel: serial
           - image: macos-13
             compiler: xcode14_2
@@ -341,7 +348,7 @@ jobs:
 
   windows:
     needs: [format, git_checks]
-    if: needs.git_checks.outputs.num_code_changes > 0
+    if: false
 
     runs-on: ${{ matrix.image }}
     env:
@@ -400,7 +407,7 @@ jobs:
 
   docker:
     needs: [format, git_checks]
-    if: needs.git_checks.outputs.num_code_changes > 0
+    if: false
 
     runs-on: ubuntu-latest
     strategy:
@@ -465,7 +472,7 @@ jobs:
   # standard container job.
   contract:
     needs: [format, git_checks, docker]
-    if: needs.git_checks.outputs.num_code_changes > 0
+    if: false
 
     runs-on: ubuntu-latest
     strategy:
@@ -521,6 +528,7 @@ jobs:
 
   analyze:
     needs: [format, git_checks]
+    if: false
     name: CodeQL
     runs-on: ubuntu-latest
     container:

.github/workflows/pypackaging.yml

@@ -22,6 +22,7 @@ env:
 jobs:
   make_sdist:
     name: Make SDist
+    if: false
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -41,6 +42,7 @@ jobs:
   build_wheels:
     name: Wheel on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
+    if: false
     strategy:
       fail-fast: false
       matrix:

scripts/ci/cmake/ci-macos-13-xcode14_2-shared-serial.cmake

@@ -9,7 +9,13 @@ ADIOS2_BUILD_EXAMPLES:BOOL=ON
 
 ADIOS2_USE_Fortran:BOOL=ON
 ADIOS2_USE_MPI:BOOL=OFF
-ADISO2_USE_Python:BOOL=ON
+ADIOS2_USE_Blosc2:BOOL=ON
+ADIOS2_USE_Bzip2:BOOL=ON
+ADIOS2_USE_DataMan:BOOL=ON
+ADIOS2_USE_HDF5:BOOL=ON
+ADIOS2_USE_Python:BOOL=ON
+ADIOS2_USE_Sodium:BOOL=ON
+ADIOS2_USE_ZeroMQ:BOOL=ON
 
 CMAKE_C_COMPILER_LAUNCHER=ccache
 CMAKE_CXX_COMPILER_LAUNCHER=ccache

scripts/ci/gh-actions/conda-env-macos.yml

@@ -0,0 +1,10 @@
+name: adios2
+variables:
+  CMAKE_PREFIX_PATH: "/Users/runner/miniconda3/envs/adios2/lib:$CMAKE_PREFIX_PATH"
+dependencies:
+  - c-blosc2
+  - ccache
+  - hdf5
+  - ninja
+  - numpy>=1.19
+  - zeromq

scripts/ci/gh-actions/macos-setup.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -xe
 
 echo "Setting up default XCode version"
 if [ -z "${GH_YML_MATRIX_COMPILER}" ]
@@ -15,40 +15,39 @@ then
   exit 2
 fi
 sudo xcode-select --switch "/Applications/Xcode_${XCODE_VER}.app"
+sudo ln -v -s "$(which gfortran-11)" /usr/local/bin/gfortran
 
-echo "Installing CMake"
-
-{
-  readonly version="3.24.2"
-  readonly checksum="efb11a78c064dd7c54a50b8da247254d252112c402c6e48cb7db3f9c84a4e5ad"
-  readonly pkg="cmake-${version}-macos-universal.tar.gz"
-  echo "${checksum}  ${pkg}" > cmake.sha256sum
-
-  curl -OL "https://github.com/Kitware/CMake/releases/download/v${version}/${pkg}"
-  shasum -a 256 --check cmake.sha256sum
-
-  sudo tar -xvzf ${pkg} --strip-components 1 -C /Applications/
-}
-
+echo "Installing Miniconda"
 
-echo "Installing Ninja"
-brew install ninja
+if [ "${RUNNER_ARCH}" = "X64" ]
+then
+  readonly checksum="6d7c1cc138adfc4bb2ccbb8a22eb8e9eb13a366b6af0d63245b643e6c3a3c708"
+  readonly pkg="Miniconda3-py310_24.5.0-0-MacOSX-x86_64.sh"
+elif [ "${RUNNER_ARCH}" = "ARM64" ]
+then
+  readonly checksum="e422602aa19140c600b5889e5b41a0d7187640107ea82fcb5da857dd25330148"
+  readonly pkg="Miniconda3-py310_24.5.0-0-MacOSX-arm64.sh"
+else
+  echo "Error: unknown platform: ${RUNNER_ARCH} "
+  exit 3
+fi
+echo "${checksum}  ${pkg}" > miniconda.sha256sum
 
-echo "Installing GCC"
-brew install gcc
-sudo ln -v -s "$(which gfortran-11)" /usr/local/bin/gfortran
+curl -OL "https://repo.anaconda.com/miniconda/${pkg}"
+shasum -a 256 --check miniconda.sha256sum
+bash "./${pkg}" -b
 
-echo "Installing blosc compression"
-brew install c-blosc
+# shellcheck source=/dev/null
+source "/Users/runner/miniconda3/bin/activate"
 
-echo "Installing python3"
-brew install python numpy
+# Canonical installation of Miniconda
+conda init --all
+conda update --all -y
+conda config --add channels conda-forge
+conda config --set channel_priority strict
 
-echo "Installing ccache"
-brew install ccache
+conda env create -f "gha/scripts/ci/gh-actions/conda-env-macos.yml"
 
-if [[ "$GH_YML_JOBNAME" =~ -ompi ]]
-then
-  echo "Installing OpenMPI"
-  brew install openmpi mpi4py
-fi
+conda list
+conda info --verbose
+echo 'conda activate adios2' >> /Users/runner/.bash_profile

scripts/ci/setup-run/ci-macOS.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+set +u
+# We do not use conda cmake, thus we have to hint cmake where is
+# conda root dir.
+conda activate adios2