add a compiler warning CI

.github/workflows/compiler-warnings.yml

@@ -0,0 +1,39 @@
+name: "compiler warnings"
+
+on: [pull_request]
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.head_ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+
+jobs:
+  compiler_warnings:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Get submodules
+        run: |
+          git submodule update --init
+          cd external/Microphysics
+          git fetch; git checkout development
+          cd ../amrex
+          git fetch; git checkout development
+          cd ../..
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update -y -qq
+          sudo apt-get -qq -y install curl g++>=9.3.0
+
+      - name: Compile wdconvect
+        run: |
+          cd Exec/science/wdconvect
+          make USE_MPI=FALSE USE_OMP=FALSE DEBUG=TRUE WARN_ALL=TRUE WARN_ERROR=TRUE -j 4
+
+      - name: Compile reacting_bubble
+        run: |
+          cd Exec/test_problems/reacting_bubble
+          make USE_MPI=FALSE USE_OMP=FALSE DEBUG=TRUE DIM=2 WARN_ALL=TRUE WARN_ERROR=TRUE -j 4

Exec/test_problems/reacting_bubble/MaestroInitData.cpp

@@ -14,6 +14,9 @@ void Perturb(const Real p0_init, const Real* s0, Real* perturbations,
 // initializes data on a specific level
 void Maestro::InitLevelData(const int lev, const Real time, const MFIter& mfi,
                             const Array4<Real> scal, const Array4<Real> vel) {
+
+    amrex::ignore_unused(time);
+
     // timer for profiling
     BL_PROFILE_VAR("Maestro::InitLevelData()", InitLevelData);
 
@@ -91,6 +94,9 @@ void Maestro::InitLevelData(const int lev, const Real time, const MFIter& mfi,
 
 void Maestro::InitLevelDataSphr(const int lev, const Real time, MultiFab& scal,
                                 MultiFab& vel) {
+
+    amrex::ignore_unused(time);
+
     // timer for profiling
     BL_PROFILE_VAR("Maestro::InitLevelDataSphr()", InitLevelDataSphr);
 
@@ -282,6 +288,8 @@ void Perturb(const Real p0_init, const Real* s0, Real* perturbations,
              const Real x, const Real y, const Real z) {
     Real t0 = s0[Temp];
 
+    amrex::ignore_unused(z);
+
 #if (AMREX_SPACEDIM == 2)
 
     Real x1 = 5.0e7;

Exec/test_problems/reacting_bubble/MaestroTagging.cpp

@@ -23,6 +23,9 @@ void Maestro::RetagArray(const Box& bx, const int lev) {
 
 void Maestro::TagBoxes(TagBoxArray& tags, const MFIter& mfi, const int lev,
                        const Real time) {
+
+    amrex::ignore_unused(time);
+
     // timer for profiling
     BL_PROFILE_VAR("Maestro::TagBoxes()", TagBoxes);
 
@@ -45,6 +48,9 @@ void Maestro::TagBoxes(TagBoxArray& tags, const MFIter& mfi, const int lev,
 
 void Maestro::StateError(TagBoxArray& tags, const MultiFab& state_mf,
                          const MFIter& mfi, const int lev, const Real time) {
+
+    amrex::ignore_unused(time);
+
     // timer for profiling
     BL_PROFILE_VAR("Maestro::StateError()", StateError);
 

Source/MaestroDiag.cpp

@@ -184,7 +184,9 @@ void Maestro::DiagFile(const int step, const Real t_in,
                             if (spherical) {
 #if (AMREX_SPACEDIM == 3)
                                 // is it one of the 8 zones surrounding the center?
+#ifdef _OPENMP
                                 #pragma omp critical
+#endif
                                 if (std::abs(x - center[0]) < dx[0] &&
                                     std::abs(y - center[1]) < dx[1] &&
                                     std::abs(z - center[2]) < dx[2]) {
@@ -213,7 +215,9 @@ void Maestro::DiagFile(const int step, const Real t_in,
                                     amrex::Math::powi<2>(u(i, j, k, 2) + 0.5 * (w0macz(i, j, k) + w0macz(i, j, k + 1))));
 
                                 // max T, location, and velocity at that location (including w0)
+#ifdef _OPENMP
                                 #pragma omp critical
+#endif
                                 if (scal(i, j, k, Temp) > T_max_local) {
                                     T_max_local = scal(i, j, k, Temp);
                                     coord_Tmax_local[0] = x;
@@ -228,7 +232,9 @@ void Maestro::DiagFile(const int step, const Real t_in,
                                 }
 
                                 // max enuc
+#ifdef _OPENMP
                                 #pragma omp critical
+#endif
                                 if (rho_Hnuc_arr(i, j, k) / scal(i, j, k, Rho) > enuc_max_local) {
                                     enuc_max_local = rho_Hnuc_arr(i, j, k) / scal(i, j, k, Rho);
                                     coord_enucmax_local[0] = x;
@@ -255,7 +261,9 @@ void Maestro::DiagFile(const int step, const Real t_in,
 #endif
 
                                 // max T, location, and velocity at that location (including w0)
+#ifdef _OPENMP
                                 #pragma omp critical
+#endif
                                 if (scal(i, j, k, Temp) > T_max_local) {
                                     T_max_local = scal(i, j, k, Temp);
                                     coord_Tmax_local[0] = x;
@@ -275,7 +283,9 @@ void Maestro::DiagFile(const int step, const Real t_in,
                                 }
 
                                 // max enuc
+#ifdef _OPENMP
                                 #pragma omp critical
+#endif
                                 if (rho_Hnuc_arr(i, j, k) / scal(i, j, k, Rho) > enuc_max_local) {
                                     enuc_max_local = rho_Hnuc_arr(i, j, k) / scal(i, j, k, Rho);
                                     coord_enucmax_local[0] = x;