diff --git a/include/pangolin/config.h b/include/pangolin/config.h
index 5e3e467..208f51c 100644
--- a/include/pangolin/config.h
+++ b/include/pangolin/config.h
@@ -19,23 +19,23 @@
 /* #undef HAVE_CUDA */
 #define HAVE_PYTHON
 
-#define HAVE_EIGEN
+/* #undef HAVE_EIGEN */
 /* #undef HAVE_TOON */
 
-#define HAVE_DC1394
+/* #undef HAVE_DC1394 */
 #define HAVE_V4L
-#define HAVE_OPENNI
+/* #undef HAVE_OPENNI */
 /* #undef HAVE_LIBREALSENSE */
-#define HAVE_OPENNI2
+/* #undef HAVE_OPENNI2 */
 /* #undef HAVE_UVC */
 /* #undef HAVE_DEPTHSENSE */
 /* #undef HAVE_TELICAM */
 /* #undef HAVE_PLEORA */
 
-#define HAVE_FFMPEG
+/* #undef HAVE_FFMPEG */
 /* #undef HAVE_FFMPEG_MAX_ANALYZE_DURATION2 */
-#define HAVE_FFMPEG_AVFORMAT_ALLOC_OUTPUT_CONTEXT2
-#define HAVE_FFMPEG_AVPIXELFORMAT
+/* #undef HAVE_FFMPEG_AVFORMAT_ALLOC_OUTPUT_CONTEXT2 */
+/* #undef HAVE_FFMPEG_AVPIXELFORMAT */
 
 #define HAVE_GLEW
 /* #undef GLEW_STATIC */
@@ -48,10 +48,10 @@
 /* #undef HAVE_GLES_2 */
 /* #undef HAVE_OCULUS */
 
-#define HAVE_PNG
-#define HAVE_JPEG
-#define HAVE_TIFF
-#define HAVE_OPENEXR
+/* #undef HAVE_PNG */
+/* #undef HAVE_JPEG */
+/* #undef HAVE_TIFF */
+/* #undef HAVE_OPENEXR */
 /* #undef HAVE_ZSTD */
 
 /// Platform
diff --git a/include/pangolin/gl/colour.h b/include/pangolin/gl/colour.h
index 4a4bfaf..7b61847 100644
--- a/include/pangolin/gl/colour.h
+++ b/include/pangolin/gl/colour.h
@@ -28,7 +28,7 @@
 #pragma once
 
 #include <cmath>
-
+#include <limits>
 #include <stdexcept>
 
 namespace pangolin
diff --git a/setup.py b/setup.py
index 3be4a43..14c4fb9 100644
--- a/setup.py
+++ b/setup.py
@@ -16,13 +16,13 @@ class CopyLibFile(install):
     """
 
     def run(self):
-        install_dir = get_python_lib()
+        install_dirs = get_python_lib()
 
         lib_file = glob.glob(__library_file__)
         assert len(lib_file) == 1 and len(install_dirs) >= 1     
 
         print('copying {} -> {}'.format(lib_file[0], install_dirs[0]))
-        shutil.copy(lib_file[0], install_dir)
+        shutil.copy(lib_file[0], install_dirs)