diff --git a/.github/workflows/per-lib-check.yml b/.github/workflows/per-lib-check.yml
new file mode 100644
index 0000000000..28c083189c
--- /dev/null
+++ b/.github/workflows/per-lib-check.yml
@@ -0,0 +1,66 @@
+name: "per-lib-checks"
+on: [push, pull_request, workflow_dispatch]
+concurrency:
+  group: build-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  cmake-build:
+    name: Library CMake Build
+    runs-on: ubuntu-20.04
+    defaults:
+      run:
+        shell: bash -l {0} # required to use an activated conda environment
+    strategy:
+      matrix:
+        gpu_backend: ["cuda","hip_rocm"]
+        library: ["runtime", "ffi","compiler","kernels","op-attrs","pcg","substitutions","utils"]
+      fail-fast: false
+    steps:
+      - name: Checkout Git Repository
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - name: Free additional space on runner
+        run: .github/workflows/helpers/free_space_on_runner.sh
+
+      - name: Install CUDA
+        uses: Jimver/cuda-toolkit@v0.2.11
+        id: cuda-toolkit
+        with:
+          cuda: "12.1.0"
+          # Disable caching of the CUDA binaries, since it does not give us any significant performance improvement
+          use-github-cache: "false"
+
+      - name: Install system dependencies
+        run: FF_GPU_BACKEND=${{ matrix.gpu_backend }} .github/workflows/helpers/install_dependencies.sh
+
+      - name: Install conda and FlexFlow dependencies
+        uses: conda-incubator/setup-miniconda@v2
+        with:
+          activate-environment: flexflow
+          environment-file: packaging/conda/environment.yml
+          auto-activate-base: false
+
+      - name: Build lib ${{ matrix.library }}
+        run: |
+          export CUDNN_DIR=/usr/local/cuda
+          export CUDA_DIR=/usr/local/cuda
+          export FF_HOME=$(pwd)
+          export FF_GPU_BACKEND=${{ matrix.gpu_backend }}
+          export FF_CUDA_ARCH=70
+          cores_available=$(nproc --all)
+          n_build_cores=$(( cores_available -1 ))
+          if (( $n_build_cores < 1 )) ; then n_build_cores=1 ; fi
+          mkdir build
+          cd build
+          #if [[ "${FF_GPU_BACKEND}" == "cuda" ]]; then
+          #  export FF_BUILD_ALL_EXAMPLES=ON 
+          #  export FF_BUILD_UNIT_TESTS=ON
+          #fi
+          ../config/config.linux
+          make -j $n_build_cores ${{ matrix.library }}
+
+
+
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index f5d4c788af..f7c166f0dd 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -1,8 +1,8 @@
 add_subdirectory(pcg)
 add_subdirectory(compiler)
-# add_subdirectory(runtime)
+add_subdirectory(runtime)
 add_subdirectory(op-attrs)
 add_subdirectory(kernels)
 add_subdirectory(utils)
-# add_subdirectory(ffi)
+add_subdirectory(ffi)
 add_subdirectory(substitutions)