diff --git a/.gitea/workflows/cmake.yml b/.gitea/workflows/cmake.yml
index 75dbb4c..80172c4 100644
--- a/.gitea/workflows/cmake.yml
+++ b/.gitea/workflows/cmake.yml
@@ -16,21 +16,24 @@ jobs:
         shared: ["ON", "OFF"]
         pthread_support: ["ON", "OFF"]
         posix_support: ["ON", "OFF"]
+        exclude:
+          - posix_support: "OFF"
+            pthread_support: "ON"
     runs-on: ${{ matrix.os }}
-    name: ${{ matrix.os }} - shared=${{ matrix.shared }}
+    name: ${{ matrix.os }} - shared=${{ matrix.shared }}, pthread=${{ matrix.pthread_support }}, posix=${{ matrix.posix_support }}
     steps:
-    - uses: actions/checkout@v4
-    - name: Install dependencies
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y cmake build-essential
-    - name: Configure
-      run: |
-        cmake -Bbuild -S . \
-          -DDCFG_BUILD_SHARED=${{ matrix.shared }} \
-          -DDCFG_PTHREAD_SUPPORT=${{ matrix.pthread_support }} \
-          -DDCFG_POSIX_SUPPORT=${{ matrix.posix_support }}
-    - name: Build
-      run: |
-        cmake --build build
+      - uses: actions/checkout@v4
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y cmake build-essential
+      - name: Configure
+        run: |
+          cmake -Bbuild -S . \
+            -DDCFG_BUILD_SHARED=${{ matrix.shared }} \
+            -DDCFG_PTHREAD_SUPPORT=${{ matrix.pthread_support }} \
+            -DDCFG_POSIX_SUPPORT=${{ matrix.posix_support }}
+      - name: Build
+        run: |
+          cmake --build build