diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..5ec3d9b
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,69 @@
+# yue.nicholas@gmail.com
+
+cmake_minimum_required(VERSION 3.12)
+
+project(PRT-IO-Library)
+
+# We can place facility-specific Find<BlahBlah>.cmake files in this subdirectory. Mostly used
+# to specify package locations on Windows builds since there isn't a known place to look.
+# set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/Modules/")
+
+if(USE_HOUDINI)
+  find_package(HDK REQUIRED)
+  include_directories(${HDK_INCLUDE_DIR})
+  link_directories($ENV{HFS}/custom/houdini/dsolib)
+else()
+  find_package(IlmBase REQUIRED CONFIG)
+  find_package(ZLIB)
+endif()
+
+include_directories(.)
+# INCLUDE_DIRECTORIES ( ${ILMBASE_INCLUDE_DIRS} )
+# INCLUDE_DIRECTORIES ( ${ZLIB_INCLUDE_DIRS} )
+
+if(USE_HOUDINI)
+  if(MSVC)
+	set(ZLIB_LIBRARY zdll)
+  else()
+	set(ZLIB_LIBRARY z)
+  endif()
+  set(REQUIRED_LINK_LIBRARIES
+    Half
+    ${ZLIB_LIBRARY}
+    )
+else()
+  set(REQUIRED_LINK_LIBRARIES
+    IlmBase::IlmBaseConfig
+    IlmBase::Half
+    ${ZLIB_LIBRARY}
+    )
+endif()
+
+if ( MSVC )
+  if(USE_HOUDINI)
+	add_definitions(-DHALF_EXPORTS -DOPENEXR_DLL)
+  endif()
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc /Zi")
+  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /DEBUG")
+endif()
+
+add_executable(example example.cpp)
+target_link_libraries(example
+  ${REQUIRED_LINK_LIBRARIES}
+)
+
+add_executable(example_layout example_layout.cpp)
+target_link_libraries(example_layout
+  ${REQUIRED_LINK_LIBRARIES}
+)
+
+add_executable(example_metadata example_metadata.cpp)
+target_link_libraries(example_metadata
+  ${REQUIRED_LINK_LIBRARIES}
+)
+
+install(DIRECTORY
+  prtio
+  DESTINATION
+  include
+)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
deleted file mode 100644
index 3f6c87b..0000000
--- a/cmake/CMakeLists.txt
+++ /dev/null
@@ -1,45 +0,0 @@
-# yue.nicholas@gmail.com
-
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
-
-PROJECT ( PRT-IO-Library )
-
-# We can place facility-specific Find<BlahBlah>.cmake files in this subdirectory. Mostly used
-# to specify package locations on Windows builds since there isn't a known place to look.
-SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/Modules/")
-
-FIND_PACKAGE ( ILMBase )
-FIND_PACKAGE ( ZLIB )
-
-INCLUDE_DIRECTORIES ( ../ )
-INCLUDE_DIRECTORIES ( ${ILMBASE_INCLUDE_DIRS} )
-INCLUDE_DIRECTORIES ( ${ZLIB_INCLUDE_DIRS} )
-
-if ( MSVC )
-	SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc /Zi")
-	SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /DEBUG")
-endif()
-
-ADD_EXECUTABLE ( example ../example.cpp )
-TARGET_LINK_LIBRARIES ( example
-  ${Ilmbase_HALF_LIBRARY}
-  ${ZLIB_LIBRARY}
-)
-
-ADD_EXECUTABLE ( example_layout ../example_layout.cpp )
-TARGET_LINK_LIBRARIES ( example_layout
-  ${Ilmbase_HALF_LIBRARY}
-  ${ZLIB_LIBRARY}
-)
-
-ADD_EXECUTABLE ( example_metadata ../example_metadata.cpp )
-TARGET_LINK_LIBRARIES ( example_metadata
-  ${Ilmbase_HALF_LIBRARY}
-  ${ZLIB_LIBRARY}
-)
-
-INSTALL ( DIRECTORY
-  ../prtio
-  DESTINATION
-  ./include
-)
diff --git a/cmake/Modules/README.txt b/cmake/Modules/README.txt
deleted file mode 100644
index 44d1d78..0000000
--- a/cmake/Modules/README.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-In this folder you need to put:
-* FindILMBase.cmake
-* FindZLIB.cmake
-
-If you don't have built in support for these packages (ex. on Windows).
\ No newline at end of file