diff --git a/.github/workflows/multi-arch.yml b/.github/workflows/multi-arch.yml
deleted file mode 100644
index 5f53009..0000000
--- a/.github/workflows/multi-arch.yml
+++ /dev/null
@@ -1,90 +0,0 @@
-on: [push, pull_request]
-
-jobs:
-  build_job:
-
-    runs-on: ubuntu-latest
-    name: Build on ${{ matrix.distro }} ${{ matrix.arch }}
-
-    # Run steps on a matrix of arch/distro combinations
-    strategy:
-      matrix:
-        include:
-          - arch: armv7
-            distro: jessie
-          - arch: aarch64
-            distro: ubuntu18.04
-          - arch: ppc64le
-            distro: alpine_latest
-          - arch: s390x
-            distro: fedora_latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - uses: uraimo/run-on-arch-action@v2.0.5
-      name: Build artifact
-      id: build
-      with:
-        arch: ${{ matrix.arch }}
-        distro: ${{ matrix.distro }}
-
-        # Not required, but speeds up builds
-        githubToken: ${{ github.token }}
-
-        # Create an artifacts directory
-        setup: |
-          mkdir -p "${PWD}/artifacts"
-
-        # Mount the artifacts directory as /artifacts in the container
-        dockerRunArgs: |
-          --volume "${PWD}/artifacts:/artifacts"
-
-        # Pass some environment variables to the container
-        env: | # YAML, but pipe character is necessary
-          artifact_name: log-${{ matrix.distro }}_${{ matrix.arch }}
-
-        # The shell to run commands with in the container
-        shell: /bin/sh
-
-        # Install some dependencies in the container. This speeds up builds if
-        # you are also using githubToken. Any dependencies installed here will
-        # be part of the container image that gets cached, so subsequent
-        # builds don't have to re-install them. The image layer is cached
-        # publicly in your project's package repository, so it is vital that
-        # no secrets are present in the container state or logs.
-        install: |
-          case "${{ matrix.distro }}" in
-            ubuntu*|jessie|stretch|buster)
-              apt-get update -q -y
-              apt-get install -q -y emacs
-              apt-get install -q -y autoconf
-              ;;
-            fedora*)
-              dnf -y update
-              dnf -y install emacs
-              dnf -y install autoconf
-              ;;
-            alpine*)
-              apk update
-              apk add emacs
-              apk add autoconf
-              ;;
-          esac
-
-        # Produce a binary artifact and place it in the mounted volume
-        run: |
-          ./autogen.sh
-          QMCKL_DEVEL=1 ./configure --enable-silent-rules --enable-maintainer-mode --enable-debug
-          cp config.log "/artifacts/${artifact_name}"
-          echo "Produced artifact at /artifacts/${artifact_name}"
-          make -j 8
-          make check
-          make distcheck
-
-    - name: Show the artifact
-      # Items placed in /artifacts in the container will be in
-      # ${PWD}/artifacts on the host.
-      run: |
-        ls -al "${PWD}/artifacts"
-
-
diff --git a/.github/workflows/test-build.yml b/.github/workflows/test-build.yml
index a85265c..05e01ea 100644
--- a/.github/workflows/test-build.yml
+++ b/.github/workflows/test-build.yml
@@ -16,13 +16,27 @@ jobs:
     - uses: actions/checkout@v2
     - name: install dependencies
       run: sudo apt-get install emacs autoconf
-    - name: ./autogen.sh
-      run: ./autogen.sh
-    - name: ./configure
-      run: QMCKL_DEVEL=1 ./configure --enable-silent-rules --enable-maintainer-mode --enable-debug
-    - name: make
-      run: make -j 8
-    - name: make check
-      run: make -j check
-    - name: make distcheck
-      run: make distcheck
+    - name: |
+        ./autogen.sh
+        QMCKL_DEVEL=1 ./configure --enable-silent-rules --enable-maintainer-mode --enable-debug
+        make -j 8
+        make -j check
+        make distcheck
+
+  x86_macos:
+
+    runs-on: macos-latest
+    name: x86 MacOS latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: install dependencies
+      run: |
+        brew install emacs
+        brew install autoconf automake libtool
+    - name: |
+        ./autogen.sh
+        QMCKL_DEVEL=1 ./configure --enable-silent-rules --enable-maintainer-mode --enable-debug
+        make -j 8
+        make -j check
+        make distcheck