diffvg.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 233e4be..043fc1d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,8 @@ project(diffvg VERSION 0.0.1 DESCRIPTION "Differentiable Vector Graphics")
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
+set(CMAKE_CXX_FLAGS "-std=c++11")
+
 if(WIN32)
     find_package(Python 3.6 COMPONENTS Development REQUIRED)
 else()
diff --git a/setup.py b/setup.py
index fdb9f67..be0ef82 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@ import sys
 import platform
 import subprocess
 import importlib
-from sysconfig import get_paths
+import sysconfig
 
 import importlib
 from setuptools import setup, Extension
@@ -33,10 +33,14 @@ class Build(build_ext):
     def build_extension(self, ext):
         if isinstance(ext, CMakeExtension):
             extdir = os.path.abspath(os.path.dirname(self.get_ext_fullpath(ext.name)))
-            info = get_paths()
+            info = sysconfig.get_paths()
             include_path = info['include']
+            library = sysconfig.get_config_var('LIBDIR') + '/libpython3.8.so'
             cmake_args = ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,
-                          '-DPYTHON_INCLUDE_PATH=' + include_path]
+                          '-DPYTHON_INCLUDE_PATH=' + include_path,
+#                          '-DPYTHON_INCLUDE_DIR=' + include_path,
+#                          '-DPYTHON_LIBRARY=' + library,
+                          '-DCMAKE_INSTALL_PREFIX=$CONDA_PREFIX']
 
             cfg = 'Debug' if self.debug else 'Release'
             build_args = ['--config', cfg]