diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6a2e829..3c8bd4a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,21 +1,56 @@
 cmake_minimum_required(VERSION 3.10)
+include(FetchContent)
 
-# pre-cache the linker flags
-set(CMAKE_EXE_LINKER_FLAGS_INIT "-sNODERAWFS=1 -sUSE_ZLIB=1" CACHE INTERNAL "")
+project(H5WASM
+    DESCRIPTION "High level HDF5 read/write library"
+    LANGUAGES CXX C
+)
 
-# set the project name
-project(H5WASM)
+FetchContent_Declare(
+  libhdf5-wasm
+#  URL file:///home/brian/dev/libhdf5-wasm/libhdf5-wasm.tar.gz
+   URL https://github.com/usnistgov/libhdf5-wasm/releases/download/v0.1.1/libhdf5-1_12_1-wasm.tar.gz
+   URL_HASH SHA256=e9bb11d89c4f26fa79b9cf1dab6159640c7b184ebf00dc97b098cd4f6de49bfe
+)
+FetchContent_MakeAvailable(libhdf5-wasm)
 
-option(BUILD_SHARED_LIBS "Build shared libs" OFF)
-option(HDF5_BUILD_EXAMPLES "Build Examples" OFF)
-option(HDF5_BUILD_TOOLS "Build Tools" OFF)
-option(HDF5_BUILD_UTILS "Build Utils" OFF)
-option(BUILD_TESTING "Build Tests" OFF)
-option(HDF5_BUILD_CPP_LIB "Build CPP libraries" ON)
-option(HDF5_ENABLE_Z_LIB_SUPPORT "Enable ZLIB" ON)
+add_executable(hdf5_util src/hdf5_util.cc)
+target_link_libraries(hdf5_util hdf5-wasm)
 
-set(CMAKE_INSTALL_PREFIX hdf5)
-set(H5_HAVE_GETPWUID OFF)
-set(H5_HAVE_SIGNAL OFF)
+# Optional flags to set when building your project
+set_target_properties(hdf5_util PROPERTIES
+    LINK_FLAGS "-O3 --bind  \
+    -lidbfs.js \
+    -s ALLOW_TABLE_GROWTH=1 \
+    -s ALLOW_MEMORY_GROWTH=1 \
+    -s WASM_BIGINT \
+    -s ENVIRONMENT=web \
+    -s SINGLE_FILE \
+    -s EXPORT_ES6=1 \
+    -s FORCE_FILESYSTEM=1 \
+    -s USE_ZLIB=1 \
+    -s EXPORTED_RUNTIME_METHODS=\"['ccall', 'cwrap', 'FS', 'AsciiToString', 'UTF8ToString']\" \
+    -s EXPORTED_FUNCTIONS=\"['_H5Fopen', '_H5Fclose', '_H5Fcreate']\""
+    RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/dist/esm
+    RUNTIME_OUTPUT_NAME hdf5_util
+)
 
-add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/hdf5-hdf5-1_12_1)
+add_executable(hdf5_util_node src/hdf5_util.cc)
+target_link_libraries(hdf5_util_node hdf5-wasm)
+set_target_properties(hdf5_util_node PROPERTIES
+    LINK_FLAGS "-O3 --bind  \
+    -s ALLOW_TABLE_GROWTH=1 \
+    -s ALLOW_MEMORY_GROWTH=1 \
+    -s WASM_BIGINT \
+    -s NODERAWFS=1 \
+    -s FORCE_FILESYSTEM=1 \
+    -s ENVIRONMENT=node \
+    -s SINGLE_FILE \
+    -s MODULARIZE=1 \
+    -s USE_ZLIB=1 \
+    -s ASSERTIONS=1 \
+    -s EXPORTED_RUNTIME_METHODS=\"['ccall', 'cwrap', 'FS', 'AsciiToString', 'UTF8ToString']\" \
+    -s EXPORTED_FUNCTIONS=\"['_H5Fopen', '_H5Fclose', '_H5Fcreate']\""
+    RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/dist/node
+    RUNTIME_OUTPUT_NAME hdf5_util
+)
diff --git a/Makefile b/Makefile
index 6cf2b1a..4179885 100644
--- a/Makefile
+++ b/Makefile
@@ -1,96 +1,13 @@
-WASM_BUILD_DIR = wasm_build
-WASM_LIB_DIR = $(WASM_BUILD_DIR)/hdf5/lib
-WASM_INCLUDE_DIR = $(WASM_BUILD_DIR)/hdf5/include
-WASM_LIBS = $(WASM_LIB_DIR)/libhdf5.a $(WASM_LIB_DIR)/libhdf5_hl.a 
+BUILD_DIR = build
+DIST_DIR = dist
 
-#WASM_LIBS = libhdf5.a
-HDF5_VER = hdf5-1_12_1
-HDF5_SRC = hdf5-$(HDF5_VER)
-
-HDF5_DOWNLOAD_URL = https://github.com/HDFGroup/hdf5/archive/refs/tags/$(HDF5_VER).tar.gz
-HDF5_DOWNLOAD_HASH = e6dde173c2d243551922d23a0387a79961205b018502e6a742acb30b61bc2d5f
-SRC = src
-APP_DIR = dist
-APP_WASM = $(APP_DIR)/esm/hdf5_util.js $(APP_DIR)/node/hdf5_util.js
-LIBHDF5 = $(APP_DIR)/libhdf5.js $(APP_DIR)/libhdf5_sa.wasm
-
-app: $(APP_WASM)
-all: $(HDF5_SRC) $(APP_WASM) 
-wasm: $(WASM_LIBS)
-wasm_tar: libhdf5_wasm.tgz
-
-$(HDF5_SRC):
-	curl -L $(HDF5_DOWNLOAD_URL) -o hdf5_src.tgz;
-	echo "$(HDF5_DOWNLOAD_HASH)  hdf5_src.tgz" | shasum -a 256 --check -;
-	tar -xzf hdf5_src.tgz;
-
-C_FLAGS = \
-   -Wno-incompatible-pointer-types-discards-qualifiers \
-   -Wno-misleading-indentation \
-   -Wno-missing-braces \
-   -Wno-self-assign \
-   -Wno-sometimes-uninitialized \
-   -Wno-unknown-warning-option \
-   -Wno-unused-but-set-variable \
-   -Wno-unused-function \
-   -Wno-unused-variable \
-
-$(WASM_LIBS): $(HDF5_SRC)
-	mkdir -p $(WASM_BUILD_DIR);
-	cd $(WASM_BUILD_DIR) && emcmake cmake ../
-	cd $(WASM_BUILD_DIR) && emmake make -j8 install;
-
-wasm_tar: $(WASM_LIBS)
-	tar -C $(WASM_BUILD_DIR)/hdf5/ -czf libhdf5_wasm.tgz include lib
-
-$(LIBHDF5): $(WASM_LIBS)
-	emcc -O3 $(WASM_LIBS) \
-	  -o $(APP_DIR)/libhdf5.html \
-	  -I$(WASM_INCLUDE_DIR)/src \
-	  -s WASM_BIGINT \
-	  -s FORCE_FILESYSTEM=1 \
-	  -s USE_ZLIB=1 \
-	  -s EXPORT_ALL=1 \
-	  -s LINKABLE=1 \
-	  -s INCLUDE_FULL_LIBRARY=1 \
-	  -s EXTRA_EXPORTED_RUNTIME_METHODS="['ccall', 'cwrap', 'FS']"
-
-
-#	  -s EXTRA_EXPORTED_RUNTIME_METHODS="['ccall', 'cwrap', 'FS']"
-
-$(APP_WASM): $(SRC)/hdf5_util.cc $(WASM_LIBS)
+all:
 	mkdir -p dist/esm dist/node;
-	emcc -O3 $(WASM_LIBS) $(SRC)/hdf5_util.cc -o $(APP_DIR)/esm/hdf5_util.js \
-		-I$(WASM_INCLUDE_DIR) \
-		--bind  \
-		-lidbfs.js \
-		-s ALLOW_TABLE_GROWTH=1 \
-		-s ALLOW_MEMORY_GROWTH=1 \
-		-s WASM_BIGINT \
-		-s ENVIRONMENT=web \
-		-s EXPORT_ES6=1 \
-		-s FORCE_FILESYSTEM=1 \
-		-s USE_ZLIB=1 \
-		-s EXPORTED_RUNTIME_METHODS="['ccall', 'cwrap', 'FS', 'AsciiToString', 'UTF8ToString']" \
-		-s EXPORTED_FUNCTIONS="['_H5Fopen', '_H5Fclose', '_H5Fcreate']";
-		
-	emcc -O3 $(WASM_LIBS) $(SRC)/hdf5_util.cc -o $(APP_DIR)/node/hdf5_util.js \
-		-I$(WASM_INCLUDE_DIR) \
-		--bind  \
-		-s ALLOW_TABLE_GROWTH=1 \
-		-s ALLOW_MEMORY_GROWTH=1 \
-		-s WASM_BIGINT \
-		-s NODERAWFS=1 \
-		-s FORCE_FILESYSTEM=1 \
-		-s ENVIRONMENT=node \
-		-s MODULARIZE=1 \
-		-s USE_ZLIB=1 \
-		-s ASSERTIONS=1 \
-		-s EXPORTED_RUNTIME_METHODS="['ccall', 'cwrap', 'FS', 'AsciiToString', 'UTF8ToString']" \
-		-s EXPORTED_FUNCTIONS="['_H5Fopen', '_H5Fclose', '_H5Fcreate']";
-
+	mkdir -p $(BUILD_DIR);
+	cd $(BUILD_DIR) && emcmake cmake ../;
+	cd $(BUILD_DIR) && emmake make -j8;
 
 clean:
-	rm -rf $(WASM_BUILD_DIR);
-	rm -rf $(APP_DIR)/esm/;
-	rm -rf $(APP_DIR)/node/;
+	rm -rf $(BUILD_DIR);
+	rm -rf $(DIST_DIR)/esm/;
+	rm -rf $(DIST_DIR)/node/;