diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 636e0ff1e7..83aeb9f1a5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,3 +45,22 @@ jobs:
           pushd build
           ninja -v check-ia2
           popd
+  build-nginx:
+    runs-on: self-hosted
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v3
+      - name: Build nginx
+        run: |
+          LLVM_DIR=`llvm-config --cmakedir`
+          Clang_DIR=`realpath $LLVM_DIR/../clang`
+          pushd external/nginx
+          IA2_CMAKE_FLAGS="
+            -DCMAKE_BUILD_TYPE=Release
+            -DClang_DIR=$Clang_DIR
+            -DLLVM_DIR=$LLVM_DIR" \
+            ./reconfigure
+          pushd build/nginx
+          make
+          popd
+          popd
diff --git a/external/nginx/reconfigure b/external/nginx/reconfigure
index 76a2ca6555..e3c113fedc 100755
--- a/external/nginx/reconfigure
+++ b/external/nginx/reconfigure
@@ -28,7 +28,7 @@ fi
 if [ ! -f $SRC_REWRITER ] || [ ! -f $LIBIA2 ]; then
     mkdir -p $IA2_BUILD_DIR
     pushd $IA2_BUILD_DIR
-    cmake -GNinja $REPO_ROOT
+    cmake -GNinja $REPO_ROOT ${IA2_CMAKE_FLAGS:-}
     ninja ia2-rewriter libia2 pad-tls
     popd
 fi
@@ -56,6 +56,7 @@ fi
 
 if [ ! -f $NGINX_ROOT/compile_commands.json ]; then
     bear -- make -j8 IA2_LDFLAGS= IA2_MODULE_LDFLAGS= IA2_CALLGATES= IA2_EXTRA_CFLAGS= IA2_ENABLE=0 build
+    cp compile_commands.json $BUILD_DIR/
 fi
 
 if [ ! -f $BUILD_DIR/wrapper.c ] ||