--- opencolorio/share/cmake/OCIOMacros.cmake.orig	2018-01-10 08:13:42.931606200 +0300
+++ opencolorio/share/cmake/OCIOMacros.cmake	2018-01-10 08:15:55.689556300 +0300
@@ -203,7 +203,7 @@
         set(PYTHON_OK NO)
     endif()
 
-    if(WIN32)
+    if(MSVC)
         # LIBPL does not exist on Windows, and no variable exist
         set(library_cmd "from distutils import sysconfig; print '%s/libs' % sysconfig.get_config_var('prefix')")
     else()
@@ -238,14 +238,14 @@
         # Respect Python major/minor version, and UCS version (unicode
         # content system). E.g install into "lib/python2.6/ucs4/site-packages"
         # Windows & *nix does not use the same path, refer to https://docs.python.org/2/install/
-        if(WIN32)
+        if(MSVC)
             set(PYTHON_VARIANT_PATH "lib${LIB_SUFFIX}/${PYTHON_UCS}/site-packages")
         else()
             set(PYTHON_VARIANT_PATH "lib${LIB_SUFFIX}/python${PYTHON_VERSION}/${PYTHON_UCS}/site-packages")
         endif()
     else()
         # Ignore UCS value and install into lib/python2.6/site-packages dir
-        if(WIN32)
+        if(MSVC)
             set(PYTHON_VARIANT_PATH "lib${LIB_SUFFIX}/site-packages")
         else()
             set(PYTHON_VARIANT_PATH "lib${LIB_SUFFIX}/python${PYTHON_VERSION}/site-packages")