--- CMakeLists.txt.orig	2019-03-04 16:53:16 UTC
+++ CMakeLists.txt
@@ -1,5 +1,15 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(s2-geometry)
+
+find_path(S2_INCLUDE_DIR s2/s2cell.h)
+
+find_package(SWIG)
+find_package(PythonInterp)
+find_package(PythonLibs)
+
 include(${SWIG_USE_FILE})
-include_directories(${PYTHON_INCLUDE_PATH})
+include_directories(${S2_INCLUDE_DIR} ${PYTHON_INCLUDE_PATH})
 
 set(CMAKE_SWIG_FLAGS "")
 set_property(SOURCE s2.i PROPERTY SWIG_FLAGS "-module" "pywraps2")
@@ -18,7 +28,7 @@ add_test(NAME pywraps2_test COMMAND
          ${PYTHON_EXECUTABLE}
 	 "${PROJECT_SOURCE_DIR}/src/python/pywraps2_test.py")
 set_property(TEST pywraps2_test PROPERTY ENVIRONMENT
-             "PYTHONPATH=$ENV{PYTHONPATH}:${PROJECT_BINARY_DIR}/python")
+             "PYTHONPATH=$ENV{PYTHONPATH}:${PROJECT_BINARY_DIR}")
 
 execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c "if True:
                   from distutils import sysconfig as sc;
@@ -28,5 +38,5 @@ execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c "if 
 
 # Install the wrapper.
 install(TARGETS _pywraps2 DESTINATION ${PYTHON_SITE})
-install(FILES "${PROJECT_BINARY_DIR}/python/pywraps2.py"
+install(FILES "${PROJECT_BINARY_DIR}/pywraps2.py"
         DESTINATION ${PYTHON_SITE})