AEA-5959 Check for build target. Run only if present.

Author: originalphil

.github/workflows/quality-checks.yml

@@ -409,4 +409,9 @@ jobs:
           path: cfn_guard_output
 
       - name: Build project
-        run: make build
+        run: |
+          if scripts/check_makefile_target.sh build; then
+            make build
+          else
+            echo "No build target found in Makefile, skipping build step"
+          fi

scripts/check_makefile_target.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Script to check if a target exists in a Makefile
+# Usage: check_makefile_target.sh <target_name> [makefile_path]
+
+set -euo pipefail
+
+TARGET_NAME="${1:-}"
+MAKEFILE_PATH="${2:-Makefile}"
+
+if [ -z "$TARGET_NAME" ]; then
+    echo "Error: Target name is required" >&2
+    echo "Usage: $0 <target_name> [makefile_path]" >&2
+    exit 1
+fi
+
+if [ ! -f "$MAKEFILE_PATH" ]; then
+    echo "Error: Makefile not found at '$MAKEFILE_PATH'" >&2
+    exit 1
+fi
+
+# Check if the target exists in the Makefile
+# Matches lines like "target:" or "target: dependencies"
+if grep -qE "^${TARGET_NAME}:" "$MAKEFILE_PATH"; then
+    echo "Target '$TARGET_NAME' exists in $MAKEFILE_PATH"
+    exit 0
+else
+    echo "Target '$TARGET_NAME' not found in $MAKEFILE_PATH" >&2
+    exit 1
+fi