1 files changed, 4 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c275f67..07b23f0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -66,6 +66,10 @@ if(WIN32)
             src/thread_null.c
         )
     endif()
+    
+    if(BHLIB_NO_WINXP)
+        add_definitions(-D_WIN32_WINNT=_WIN32_WINNT_VISTA -DWINVER=_WIN32_WINNT_VISTA)
+    endif()
 elseif(UNIX)
     message(STATUS "Platform: Unix (Linux/BSD/MacOS X)")