diff --git a/.github/workflows/compilation_on_android_ubuntu.yml b/.github/workflows/compilation_on_android_ubuntu.yml
index dd6c096f1..521c2e08f 100644
--- a/.github/workflows/compilation_on_android_ubuntu.yml
+++ b/.github/workflows/compilation_on_android_ubuntu.yml
@@ -315,6 +315,10 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-22.04]
+        build_target: [
+          "X86_64",
+          "X86_32",
+        ]
         include:
           - os: ubuntu-22.04
             llvm_cache_key: ${{ needs.build_llvm_libraries_on_ubuntu_2204.outputs.cache_key }}
@@ -351,10 +355,16 @@ jobs:
           cmake --build . --config Release --parallel 4
         working-directory: wamr-compiler
 
+      - name: Install dependencies for X86_32
+        if: matrix.build_target == 'X86_32'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y g++-multilib
+
       - name: Build and run unit tests
         run: |
           mkdir build && cd build
-          cmake ..
+          cmake .. -DWAMR_BUILD_TARGET=${{ matrix.build_target }}
           cmake --build . --config Release --parallel 4
           ctest
         working-directory: tests/unit
diff --git a/tests/unit/CMakeLists.txt b/tests/unit/CMakeLists.txt
index fa9b400fa..8c963cadd 100644
--- a/tests/unit/CMakeLists.txt
+++ b/tests/unit/CMakeLists.txt
@@ -32,6 +32,7 @@ include (FetchContent)
 FetchContent_Declare (
     googletest
     URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+    DOWNLOAD_EXTRACT_TIMESTAMP TRUE
 )
 FetchContent_MakeAvailable (googletest)
 
@@ -42,19 +43,27 @@ enable_testing()
 
 add_subdirectory(wasm-vm)
 add_subdirectory(interpreter)
-add_subdirectory(aot)
 add_subdirectory(wasm-c-api)
 add_subdirectory(libc-builtin)
 add_subdirectory(shared-utils)
-add_subdirectory(running-modes)
-add_subdirectory(runtime-common)
-add_subdirectory(custom-section)
-add_subdirectory(compilation)
 add_subdirectory(linear-memory-wasm)
 add_subdirectory(linear-memory-aot)
 add_subdirectory(aot-stack-frame)
 add_subdirectory(linux-perf)
 add_subdirectory(gc)
-add_subdirectory(memory64)
 add_subdirectory(tid-allocator)
-add_subdirectory(shared-heap)
\ No newline at end of file
+
+if (NOT WAMR_BUILD_TARGET STREQUAL "X86_32")
+  # should enable 32-bit llvm when X86_32
+  add_subdirectory (aot)
+  add_subdirectory (custom-section)
+  add_subdirectory (compilation)
+
+  # Fast-JIT or mem64 is not supported on X86_32
+  add_subdirectory (running-modes)
+  add_subdirectory (memory64)
+  add_subdirectory (shared-heap)
+
+  # HW_BOUND_CHECK is not supported on X86_32
+  add_subdirectory (runtime-common)
+endif ()
diff --git a/tests/unit/aot-stack-frame/wasm-apps/CMakeLists.txt b/tests/unit/aot-stack-frame/wasm-apps/CMakeLists.txt
index 6c43a4184..7d80bbfbf 100644
--- a/tests/unit/aot-stack-frame/wasm-apps/CMakeLists.txt
+++ b/tests/unit/aot-stack-frame/wasm-apps/CMakeLists.txt
@@ -5,23 +5,37 @@ cmake_minimum_required(VERSION 3.14)
 
 project(wasm-apps-aot-stack-frame)
 
-add_custom_target(aot-stack-frame-test-wasm ALL
-    COMMAND cmake -B ${CMAKE_CURRENT_BINARY_DIR}/build-wamrc
-                  -S ${WAMR_ROOT_DIR}/wamr-compiler
-            && cmake --build ${CMAKE_CURRENT_BINARY_DIR}/build-wamrc
-            && /opt/wabt/bin/wat2wasm
-                  -o ${CMAKE_CURRENT_BINARY_DIR}/test.wasm
-                  ${CMAKE_CURRENT_LIST_DIR}/test.wast
-            && ${CMAKE_CURRENT_BINARY_DIR}/build-wamrc/wamrc
-                  --enable-dump-call-stack --bounds-checks=1 --enable-gc
-                  -o ${CMAKE_CURRENT_BINARY_DIR}/test.aot
-                  ${CMAKE_CURRENT_BINARY_DIR}/test.wasm
-            && cmake -B ${CMAKE_CURRENT_BINARY_DIR}/build-binarydump
-                  -S ${WAMR_ROOT_DIR}/test-tools/binarydump-tool
-            && cmake --build ${CMAKE_CURRENT_BINARY_DIR}/build-binarydump
-            && ${CMAKE_CURRENT_BINARY_DIR}/build-binarydump/binarydump
-                  -o ${CMAKE_CURRENT_LIST_DIR}/test_aot.h -n test_aot
-                  ${CMAKE_CURRENT_BINARY_DIR}/test.aot
+set (WAMRC_OPTION --enable-dump-call-stack --bounds-checks=1 --enable-gc)
 
+if (WAMR_BUILD_TARGET STREQUAL "X86_32")
+      set (WAMRC_OPTION ${WAMRC_OPTION} --target=i386)
+endif ()
+
+add_custom_target(
+      aot-stack-frame-test-wasm ALL
+
+      # Step 1: Build wamrc
+      COMMAND cmake -B ${CMAKE_CURRENT_BINARY_DIR}/build-wamrc 
+                  -S ${WAMR_ROOT_DIR}/wamr-compiler
+      COMMAND cmake --build ${CMAKE_CURRENT_BINARY_DIR}/build-wamrc
+
+      # Step 2: Compile .wast to .wasm
+      COMMAND /opt/wabt/bin/wat2wasm 
+                  -o ${CMAKE_CURRENT_BINARY_DIR}/test.wasm ${CMAKE_CURRENT_LIST_DIR}/test.wast
+
+      # Step 3: Compile .wasm to .aot using wamrc
+      COMMAND ${CMAKE_CURRENT_BINARY_DIR}/build-wamrc/wamrc ${WAMRC_OPTION}
+                  -o ${CMAKE_CURRENT_BINARY_DIR}/test.aot ${CMAKE_CURRENT_BINARY_DIR}/test.wasm
+
+      # Step 4: Build binarydump tool
+      COMMAND cmake -B ${CMAKE_CURRENT_BINARY_DIR}/build-binarydump 
+                  -S ${WAMR_ROOT_DIR}/test-tools/binarydump-tool
+      COMMAND cmake --build ${CMAKE_CURRENT_BINARY_DIR}/build-binarydump
+
+      # Step 5: Generate .h file from .aot
+      COMMAND ${CMAKE_CURRENT_BINARY_DIR}/build-binarydump/binarydump 
+                  -o ${CMAKE_CURRENT_LIST_DIR}/test_aot.h 
+                  -n test_aot
+                  ${CMAKE_CURRENT_BINARY_DIR}/test.aot
 )
 
diff --git a/tests/unit/wasm-c-api/CMakeLists.txt b/tests/unit/wasm-c-api/CMakeLists.txt
index 9448cd8c3..9556c600e 100644
--- a/tests/unit/wasm-c-api/CMakeLists.txt
+++ b/tests/unit/wasm-c-api/CMakeLists.txt
@@ -13,7 +13,9 @@ set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
 
 # WAMR features switch
-set(WAMR_BUILD_TARGET "X86_64")
+if (NOT DEFINED WAMR_BUILD_TARGET)
+  set(WAMR_BUILD_TARGET "X86_64")
+endif()
 set(WAMR_BUILD_INTERP 1)
 set(WAMR_BUILD_AOT 0)
 set(WAMR_BUILD_JIT 0)