diff --git a/.github/workflows/build-and-test-linux.yaml b/.github/workflows/build-and-test-linux.yaml
index dc7e5844..44cb2ee8 100644
--- a/.github/workflows/build-and-test-linux.yaml
+++ b/.github/workflows/build-and-test-linux.yaml
@@ -91,6 +91,7 @@ jobs:
         uses: actions/checkout@v2
       - name: Configure with CMake
         run: |
+          set -x # show the commands we're running
           [[ "${{ matrix.compiler }}" == "clang"* ]] && CC=clang-${{ matrix.compiler_version }}
           [[ "${{ matrix.compiler }}" == "clang"* ]] && CXX=clang++-${{ matrix.compiler_version }}
 
diff --git a/.github/workflows/build-and-test-macos.yaml b/.github/workflows/build-and-test-macos.yaml
index f11c4aa8..e7d5a368 100644
--- a/.github/workflows/build-and-test-macos.yaml
+++ b/.github/workflows/build-and-test-macos.yaml
@@ -25,6 +25,7 @@ jobs:
         uses: actions/checkout@v2
       - name: Configure with CMake
         run: |
+          set -x
           mkdir build
           cd build
           cmake ..                               \