--- osgocean/CMakeLists.txt.orig	2014-05-25 20:41:59.236200000 +0400
+++ osgocean/CMakeLists.txt	2014-05-25 20:43:16.341800000 +0400
@@ -47,7 +47,7 @@
 find_package (OpenThreads REQUIRED)
 include_directories(${OPENTHREADS_INCLUDE_DIR})
 
-IF (NOT WIN32)
+IF (NOT WIN32 OR MINGW)
   IF (NOT OSG_LIBRARY_DEBUG)
     SET(OSG_LIBRARY_DEBUG ${OSG_LIBRARY})
   ENDIF()
@@ -119,7 +119,7 @@
 ENDIF()
 
 
-IF (WIN32)
+IF (WIN32 AND NOT MINGW)
   # This option is to enable the /DYNAMICBASE switch
   # It is used to workaround a bug in Windows 7 when linking in release, which results in corrupt
   # binaries. See this page for details: http://www.wintellect.com/CS/blogs/jrobbins/archive/2009/01/24/the-case-of-the-corrupt-pe-binaries.aspx