diff --git a/CMakeLists.txt b/CMakeLists.txt
index eccc49e..dac126c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,3 +127,42 @@ install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfig.cmake
     ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfigVersion.cmake
     DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer)
+
+##################################################
+# codecbench
+##################################################
+add_executable(codecbench tools/codecbench.cpp ${SOURCES})
+
+set_target_properties(codecbench PROPERTIES OUTPUT_NAME codecbench.wasm)
+
+target_compile_options(codecbench
+  PUBLIC
+    -std=c++11
+    -Wno-unused-function
+    -Wno-unused-variable
+)
+
+target_link_options(codecbench
+  PUBLIC
+    LINKER:-allow-undefined,--demangle
+)
+
+find_program(WASM_OPT
+    NAMES wasm-opt
+    PATHS /opt/binaryen-version_97/bin /opt/binaryen/bin
+)
+
+if (NOT WASM_OPT)
+  message(WARNING "can not find wasm-opt and will not optimize any wasm module")
+endif()
+
+add_custom_target(codecbench.opt ALL
+  COMMAND
+    ${WASM_OPT} -Oz --enable-simd -o codecbench.opt.wasm codecbench.wasm
+  BYPRODUCTS
+    ${CMAKE_CURRENT_BINARY_DIR}/codecbench.opt.wasm
+  WORKING_DIRECTORY
+    ${CMAKE_CURRENT_BINARY_DIR}
+)
+
+add_dependencies(codecbench.opt codecbench)