TargetConditionals: add TARGET_OS_SIMULATOR if needed

README.md

@@ -158,6 +158,11 @@ Wrapped headers and replaced functions are:
         <code>glext.h</code> and thereby match behaviour of newer systems.</td>
     <td>OSX10.6</td>
   </tr>
+  <tr>
+    <td><code>TargetConditionals.h</code></td>
+    <td>Adds definition for <code>TARGET_OS_SIMULATOR</code> if needed.</td>
+    <td>OSX10.10</td>
+  </tr>
 </table>
 
 For information on building this library outside MacPorts, see BUILDING.txt.

include/TargetConditionals.h

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021 Ken Cunningham <[email protected]>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+/*
+ * TARGET_OS_SIMULATOR replaced TARGET_IPHONE_SIMULATOR and is not defined in older os versions
+ */
+
+#include_next <TargetConditionals.h>
+
+#ifndef TARGET_OS_SIMULATOR
+#  define TARGET_OS_SIMULATOR         0
+#endif