Merge pull request ossec#2196 from atomicturtle/actions-01

Actions 01

Author: atomicturtle

.github/workflows/README.md

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+# GitHub Actions workflows
+
+- **codeql.yml** – CodeQL analysis (push/PR to master, weekly).
+- **make-multi-platform.yml** – Build with Make on Rocky Linux 9 (server/agent) and Windows agent cross-compile. Based on the multi-platform CI idea from PR #2158 by @cmac9203; adapted for this project’s Make build.

.github/workflows/make-multi-platform.yml

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+# Multi-platform build workflow.
+# Initial CI structure and idea from PR #2158 by @cmac9203. Adapted to use the
+# project's Make-based build (OSSEC-HIDS does not use CMake).
+name: Build (multi-platform)
+
+on:
+  push:
+    branches: [ "main", "master" ]
+  pull_request:
+    branches: [ "main", "master" ]
+  workflow_dispatch:  # Run manually from Actions tab (choose branch)
+
+jobs:
+  build-rocky:
+    name: Rocky Linux 9 (${{ matrix.target }})
+    runs-on: ubuntu-latest
+    container: rockylinux:9
+    strategy:
+      fail-fast: false
+      matrix:
+        target: [ server, agent ]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install build dependencies
+        run: |
+          dnf install -y dnf-plugins-core
+          dnf config-manager --set-enabled crb || true
+          dnf install -y gcc make openssl-devel pcre2-devel zlib-devel \
+            systemd-devel libevent-devel
+          dnf install -y file-devel || true
+
+      - name: Build
+        run: |
+          cd src
+          make TARGET=${{ matrix.target }} PCRE2_SYSTEM=yes -j$(nproc)
+
+  build-windows-agent:
+    name: Windows agent (cross-compile)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install MinGW and deps
+        run: |
+          sudo apt-get update -qq
+          sudo apt-get install -y build-essential mingw-w64 libssl-dev
+
+      - name: Fetch PCRE2 for Windows build
+        run: |
+          mkdir -p src/external
+          wget -q https://github.com/PCRE2Project/pcre2/releases/download/pcre2-10.32/pcre2-10.32.tar.gz -O - | tar xz -C src/external
+
+      - name: Build Windows agent
+        run: |
+          cd src
+          make TARGET=winagent -j$(nproc)