diff --git a/.gitignore b/.gitignore
index f6f7db4b..6bc64446 100755
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 build**/
 upstream**/
 **/dist/
+**/cmake-build**/
 
 # build cache files
 **/*.idx
diff --git a/tooling/CMakeLists.txt b/tooling/CMakeLists.txt
new file mode 100644
index 00000000..fc05eb87
--- /dev/null
+++ b/tooling/CMakeLists.txt
@@ -0,0 +1,30 @@
+# set minimum cmake version
+cmake_minimum_required(VERSION 3.26)
+
+# set project name
+project(wasmtools)
+
+# set c++ standard
+set(CMAKE_CXX_STANDARD 20)
+
+# set output directory
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
+
+include_directories(${CMAKE_SOURCE_DIR}/wasm-utils)
+
+file(GLOB WASM_UTILS_SRC ${CMAKE_SOURCE_DIR}/wasm-utils/*.cpp)
+file(GLOB WASM_UTILS_HEADERS ${CMAKE_SOURCE_DIR}/wasm-utils/*.hpp)
+file(GLOB WASM_TRANSFORM_SRC ${CMAKE_SOURCE_DIR}/wasm-transform/*.cpp)
+file(GLOB WASM_PACKAGE_SRC ${CMAKE_SOURCE_DIR}/wasm-package/*.cpp)
+
+include_directories(${CMAKE_SOURCE_DIR}/wasm-utils)
+
+# set linker flags if EMSCRIPTEN
+if(EMSCRIPTEN)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s ALLOW_MEMORY_GROWTH=1 -s EXPORTED_FUNCTIONS=_main,_free,_malloc -s EXPORTED_RUNTIME_METHODS=FS,PROXYFS,ERRNO_CODES,allocateUTF8 -lproxyfs.js --js-library=${CMAKE_SOURCE_DIR}/../emlib/fsroot.js -lidbfs.js -flto -O3")
+else()
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto -O3")
+endif()
+
+add_executable(wasm-transform ${WASM_TRANSFORM_SRC} ${WASM_UTILS_SRC} ${WASM_UTILS_HEADERS})
+add_executable(wasm-package ${WASM_PACKAGE_SRC} ${WASM_UTILS_SRC} ${WASM_UTILS_HEADERS})
\ No newline at end of file
diff --git a/tooling/wasm-package/wasm-package.cpp b/tooling/wasm-package/wasm-package.cpp
index d0509b89..112ced26 100755
--- a/tooling/wasm-package/wasm-package.cpp
+++ b/tooling/wasm-package/wasm-package.cpp
@@ -58,9 +58,13 @@ int main(int argc, const char *argv[]) {
             if (lstat(name, &status) == 0) {
                 buffer.write<std::string_view>(name);
                 buffer.write<std::uint64_t>(status.st_mode);
+#if defined(__APPLE__)
+                buffer.write<std::uint64_t>(status.st_atimespec.tv_sec);
+                buffer.write<std::uint64_t>(status.st_mtimespec.tv_sec);
+#else
                 buffer.write<std::uint64_t>(status.st_atim.tv_sec);
                 buffer.write<std::uint64_t>(status.st_mtim.tv_sec);
-
+#endif
                 switch (status.st_mode & S_IFMT) {
                     case S_IFREG: // normal file
                         buffer.write(readFile(name));