ci: build tests on arch

Author: ahoarau

.github/workflows/ci-linux.yml

@@ -69,8 +69,8 @@ jobs:
     steps:
       - run: pacman -Syu --noconfirm cmake ninja catch2 git eigen cereal libmatio doxygen graphviz nanobind python-scipy simde
       - uses: actions/checkout@v6
-      - run: cmake -G Ninja -B build -S . -DBUILD_PYTHON_INTERFACE=ON
-      - run: cmake --build build
+      - run: cmake -G Ninja -B build -S . -DBUILD_PYTHON_INTERFACE=ON -DBUILD_TESTING=ON -DBUILD_EXAMPLES=ON -DBUILD_DOCUMENTATION=ON -DBUILD_BENCHMARKS=ON
+      - run: cmake --build build --verbose --parallel 2
       - run: ctest --test-dir build --output-on-failure
 
   check: