# Options
#-----------------------------------------------------------------------------
OPTION(ZSTD_LEGACY_SUPPORT "LEGACY SUPPORT" OFF)
-OPTION(ZSTD_MULTITHREAD_SUPPORT "MULTITHREADING SUPPORT" ON)
+IF (UNIX)
+ OPTION(ZSTD_MULTITHREAD_SUPPORT "MULTITHREADING SUPPORT" ON)
+ELSE (UNIX)
+ OPTION(ZSTD_MULTITHREAD_SUPPORT "MULTITHREADING SUPPORT" OFF)
+ENDIF (UNIX)
OPTION(ZSTD_BUILD_PROGRAMS "BUILD PROGRAMS" ON)
OPTION(ZSTD_BUILD_CONTRIB "BUILD CONTRIB" OFF)
OPTION(ZSTD_BUILD_TESTS "BUILD TESTS" OFF)