--- mingw-w64-i686-opencolorio-1.0.9/CMakeLists.txt.orig	2013-12-27 22:36:16.348200000 +0400
+++ mingw-w64-i686-opencolorio-1.0.9/CMakeLists.txt	2013-12-27 22:43:09.892800000 +0400
@@ -37,7 +37,7 @@
 option(OCIO_PYGLUE_SONAME "If ON, soname/soversion will be set for Python module library" OFF)
 option(OCIO_PYGLUE_LIB_PREFIX "If ON, prefix the Python module with 'lib'" OFF)
 
-if(UNIX AND NOT APPLE)
+if(UNIX OR MINGW AND NOT APPLE)
     option(USE_EXTERNAL_YAML "Use system installed yaml-cpp library." OFF)
     option(USE_EXTERNAL_TINYXML "Use system installed tinyxml library." OFF)
     option(USE_EXTERNAL_LCMS "Use system install lcms2 library." OFF)
@@ -219,7 +219,11 @@
         ## => great news when build staticaly since we do not want another client project have to link also with tinyxml when he want to use this project
         ## => could be problematic if the client project use another version of tinyxml... In this case build tinyxml as shared lib with all projects could be a solution
         ## => TODO: so maybe provide a simple cmake way to build 3rdParty as shared and auto install with this project ?
-        set_target_properties(TINYXML_LIB PROPERTIES COMPILE_FLAGS "-DTIXML_USE_STL -fPIC -fvisibility-inlines-hidden -fvisibility=hidden")
+        if (MINGW)
+            set_target_properties(TINYXML_LIB PROPERTIES COMPILE_FLAGS "-DTIXML_USE_STL -fvisibility-inlines-hidden -fvisibility=hidden")
+        else()
+            set_target_properties(TINYXML_LIB PROPERTIES COMPILE_FLAGS "-DTIXML_USE_STL -fPIC -fvisibility-inlines-hidden -fvisibility=hidden")
+        endif()
         add_definitions(-DTIXML_USE_STL) ## needed to build correctly, and also need to be propagated in child projects (client projects)
         list(APPEND EXTERNAL_OBJECTS $<TARGET_OBJECTS:TINYXML_LIB>)
     else()
@@ -420,7 +424,7 @@
 messageonce("SSE Optimizations: ${OCIO_USE_SSE}")
 
 if(OCIO_USE_SSE)
-    if(WIN32)
+    if(MSVC)
         # SSE instructions are automatically compiled into 64-bit applications so enabling the option is redundant and
         # actually produces an unknown option warning in Visual Studio.
         if(NOT CMAKE_CL_64)
--- opencolorio/src/core/CMakeLists.txt.orig	2017-09-17 22:33:47.446262300 +0300
+++ opencolorio/src/core/CMakeLists.txt	2017-09-17 22:34:26.962522500 +0300
@@ -75,7 +75,7 @@
         VERSION ${OCIO_VERSION}
         SOVERSION ${SOVERSION})
     
-    install(TARGETS OpenColorIO_STATIC EXPORT OpenColorIO ARCHIVE DESTINATION ${CMAKE_INSTALL_EXEC_PREFIX}/lib/static)
+    install(TARGETS OpenColorIO_STATIC EXPORT OpenColorIO ARCHIVE DESTINATION ${CMAKE_INSTALL_EXEC_PREFIX}/lib)
 endif()
 
 macro(target_link_OCIO target)