Fix 'GetVersion deprecated' compiler warning in os_dep (MS VC)

* os_dep.c [MSWIN32] (GC_init_win32): Do not call GetVersion if
VS 2013+ or Win64 target (set GC_wnt to true instead).

diff --git a/os_dep.c b/os_dep.c
index 82a794c09d8e8fac0987f08fd130abb5d8269a85..a172bf643633e6c3f62828c052e9c917dde59ed2 100644 (file)
--- a/os_dep.c
+++ b/os_dep.c
@@ -1635,11 +1635,18 @@ void GC_register_data_segments(void)
 
   GC_INNER void GC_init_win32(void)
   {
-    /* Set GC_wnt.  If we're running under win32s, assume that no DLLs  */
-    /* will be loaded.  I doubt anyone still runs win32s, but...        */
-    DWORD v = GetVersion();
-    GC_wnt = !(v & 0x80000000);
-    GC_no_win32_dlls |= ((!GC_wnt) && (v & 0xff) <= 3);
+#   if defined(_WIN64) || (defined(_MSC_VER) && _MSC_VER >= 1800)
+      /* MS Visual Studio 2013 deprecates GetVersion, but on the other  */
+      /* hand it cannot be used to target pre-Win2K.                    */
+      GC_wnt = TRUE;
+#   else
+      /* Set GC_wnt.  If we're running under win32s, assume that no     */
+      /* DLLs will be loaded.  I doubt anyone still runs win32s, but... */
+      DWORD v = GetVersion();
+
+      GC_wnt = !(v & 0x80000000);
+      GC_no_win32_dlls |= ((!GC_wnt) && (v & 0xff) <= 3);
+#   endif
 #   ifdef USE_MUNMAP
       if (GC_no_win32_dlls) {
         /* Turn off unmapping for safety (since may not work well with  */