--- openal-soft-1.16.0/CMakeLists.txt.orig	2015-11-03 09:47:33.546783000 +0300
+++ openal-soft-1.16.0/CMakeLists.txt	2015-11-03 09:48:28.685268600 +0300
@@ -758,6 +758,7 @@
 
 # Check OSS backend
 OPTION(ALSOFT_REQUIRE_OSS "Require OSS backend" OFF)
+IF(NOT WIN32)
 FIND_PACKAGE(OSS)
 IF(OSS_FOUND)
     OPTION(ALSOFT_BACKEND_OSS "Enable OSS backend" ON)
@@ -773,6 +774,7 @@
 IF(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
     MESSAGE(FATAL_ERROR "Failed to enabled required OSS backend")
 ENDIF()
+ENDIF()
 
 # Check Solaris backend
 OPTION(ALSOFT_REQUIRE_SOLARIS "Require Solaris backend" OFF)