Add ASAN/UBSAN recipe to just, make a CI that runs it

.github/workflows/asan_ubsan_build.yml

@@ -0,0 +1,37 @@
+
+name: Build with ASAN/UBSAN
+
+on:
+  workflow_dispatch:
+  pull_request: 
+    branches: [trunk]
+    types: [opened, ready_for_review]
+
+env:
+  LDMX_DOCKER_TAG: ldmx/dev:latest
+  LDMX_NUM_EVENTS: 7500
+
+jobs:
+  build-with-asan-ubsan:
+    runs-on: ubuntu-latest
+    outputs:
+      job_matrix: ${{steps.gen-mat.outputs.job_matrix}}
+    steps:
+    - name: Checkout ldmx-sw
+      uses: actions/checkout@v4
+      with:
+        submodules: 'recursive'
+        fetch-depth: 0
+
+    - name: Install just
+      uses: extractions/setup-just@v2
+      with:
+          just-version: 1.26.0
+
+    - name: Compile and Install ldmx-sw
+      run: |
+        just install-denv init configure-asan-ubsan 
+        just build
+        just fire  ${GITHUB_WORKSPACE}/.github/validation_samples/ecal_pn/config.py 
+      shell: bash
+

justfile

@@ -62,13 +62,22 @@ install-denv:
 configure *CONFIG:
     denv cmake -B build -S .  -DADDITIONAL_WARNINGS=ON  -DENABLE_CLANG_TIDY=ON  {{ CONFIG }}
 
+# configure minimal option for faster compilation
+configure-quick *CONFIG: 
+    denv cmake -B build -S . {{ CONFIG }}
+
+# Configure with Address Sanitizer (ASAN) and  UndefinedBehaviorSanitizer (UBSan)
+configure-asan-ubsan: (configure-quick "-DENABLE_SANITIZER_UNDEFINED_BEHAVIOR=ON -DENABLE_SANITIZER_ADDRESS=ON")
+
 # This is the same as just configure but reports all (non-3rd-party) warnings as errors
 configure-force-error *CONFIG: (configure "-DWARNINGS_AS_ERRORS=ON" CONFIG)
 
 # This is an alternative compiler (clang) together with enabling the LTO sanitizer
 # This is very helpful but for now it optimizes away our module linking, use for testing only
 configure-clang-lto: (configure "-DENABLE_LTO=ON -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang") 
 
+configure-gdb: (configure-quick "-DCMAKE_BUILD_TYPE=Debug")
+
 # compile and install ldmx-sw
 build ncpu=num_cpus():
     denv cmake --build build --target install -- -j{{ ncpu }}
@@ -82,6 +91,11 @@ test *ARGS:
 fire config_py *ARGS:
     denv fire {{ config_py }} {{ ARGS }}
 
+# run gdb on a config file
+[no-cd]
+gdb-fire  config_py *ARGS:
+    denv gdb fire {{ config_py }} {{ ARGS }}
+
 # initialize a containerized development environment
 init:
     #!/usr/bin/env sh