update CI

.github/workflows/ci.yml

@@ -5,6 +5,9 @@ jobs:
     strategy:
       matrix:
           version: ['8.0', '8.1', '8.2', '8.3', '8.4']
+          library:
+            - ''
+            - 'system'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout md4c
@@ -36,6 +39,14 @@ jobs:
     steps:
       - name: Checkout md4c
         uses: actions/checkout@v4
+      - name: Checkout submodules
+        run: |
+          git submodule update --init --recursive
+        if: ${{ ! matrix.library }}
+      - name: Install library
+        run: |
+          apk add --no-cache libmd4c-dev
+        if: ${{ matrix.library }}
       - name: Setup PHP
         id: setup-php
         uses: php/[email protected]
@@ -51,8 +62,14 @@ jobs:
           toolset: ${{steps.setup-php.outputs.toolset}}
       - name: phpize
         run: phpize
-      - name: configure
-        run: configure --enable-md4c --with-prefix=${{steps.setup-php.outputs.prefix}}
+      - name: configure with bundled library
+        run: |
+          configure --enable-md4c --with-prefix=${{steps.setup-php.outputs.prefix}}
+        if: ${{ ! matrix.library }}
+      - name: Build with library
+        run: |
+          configure --enable-md4c --with-prefix=${{steps.setup-php.outputs.prefix}} --enable-system-libmd4c
+        if: ${{ matrix.library }}
       - name: make
         run: nmake
       - name: test