diff --git a/src/osx/cocoa/utils.mm b/src/osx/cocoa/utils.mm
index 8e20c9dd3c..7faa2bc61b 100644
--- a/src/osx/cocoa/utils.mm
+++ b/src/osx/cocoa/utils.mm
@@ -650,6 +650,28 @@ wxOperatingSystemId wxGetOsVersion(int *majorVsn, int *minorVsn)
     return wxOS_MAC_OSX_DARWIN;
 }
 
+bool wxCheckOsVersion(int majorVsn, int minorVsn)
+{
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_10
+    if ([NSProcessInfo instancesRespondToSelector:@selector(isOperatingSystemAtLeastVersion:)])
+    {
+        NSOperatingSystemVersion osVer;
+        osVer.majorVersion = majorVsn;
+        osVer.minorVersion = minorVsn;
+        osVer.patchVersion = 0;
+
+        return [[NSProcessInfo processInfo] isOperatingSystemAtLeastVersion:osVer] != NO;
+    }
+    else
+#endif
+    {
+        int majorCur, minorCur;
+        wxGetOsVersion(&majorCur, &minorCur);
+
+        return majorCur > majorVsn || (majorCur == majorVsn && minorCur >= minorVsn);
+    }
+}
+
 wxString wxGetOsDescription()
 {
     NSString* osDesc = [NSProcessInfo processInfo].operatingSystemVersionString;
diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp
index cc53be2b0f..2a403b1a4d 100644
--- a/src/unix/utilsunx.cpp
+++ b/src/unix/utilsunx.cpp
@@ -1148,8 +1148,6 @@ wxString wxGetOsDescription()
     return wxGetCommandOutput(wxT("uname -s -r -m"));
 }
 
-#endif // !__DARWIN__
-
 bool wxCheckOsVersion(int majorVsn, int minorVsn)
 {
     int majorCur, minorCur;
@@ -1158,6 +1156,8 @@ bool wxCheckOsVersion(int majorVsn, int minorVsn)
     return majorCur > majorVsn || (majorCur == majorVsn && minorCur >= minorVsn);
 }
 
+#endif // !__DARWIN__
+
 unsigned long wxGetProcessId()
 {
     return (unsigned long)getpid();