added WXWIN_COMPATIBILITY_2_2 option (disabled by default)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10754 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

configure.in

@@ -991,6 +991,9 @@ WX_ARG_ENABLE(no_exceptions, [  --enable-no_exceptions  create code without exce
 WX_ARG_ENABLE(permissive,    [  --enable-permissive     compile code disregarding strict ANSI], wxUSE_PERMISSIVE)
 WX_ARG_ENABLE(no_deps,       [  --enable-no_deps        create code without dependency information], wxUSE_NO_DEPS)
 
+WX_ARG_ENABLE(compat20,      [  --enable-compat20       enable wxWin 2.0 compatibility], WXWIN_COMPATIBILITY_2)
+WX_ARG_ENABLE(compat22,      [  --enable-compat22       enable wxWin 2.2 compatibility], WXWIN_COMPATIBILITY_2_2)
+
 dnl ---------------------------------------------------------------------------
 dnl (small) optional non GUI classes
 dnl ---------------------------------------------------------------------------
@@ -3134,6 +3137,16 @@ else
     fi
 fi
 
+if test "$WXWIN_COMPATIBILITY_2" = "yes"; then
+    AC_DEFINE(WXWIN_COMPATIBILITY_2)
+
+    WXWIN_COMPATIBILITY_2_2="yes"
+fi
+
+if test "$WXWIN_COMPATIBILITY_2_2" = "yes"; then
+    AC_DEFINE(WXWIN_COMPATIBILITY_2_2)
+fi
+
 dnl ---------------------------------------------------------------------------
 dnl Optional libraries
 dnl ---------------------------------------------------------------------------

include/wx/msw/setup0.h

@@ -36,6 +36,22 @@
 // so there is little advantage to setting it to 1.
 #define WXWIN_COMPATIBILITY  0
 
+// This setting determines the compatibility with 2.0 API: set it to 1 to
+// enable it
+//
+// Default is 0.
+//
+// Recommended setting: 0 (please update your code instead!)
+#define WXWIN_COMPATIBILITY_2 0
+
+// This setting determines the compatibility with 2.0 API: set it to 1 to
+// enable it
+//
+// Default is 0.
+//
+// Recommended setting: 0 (please update your code instead!)
+#define WXWIN_COMPATIBILITY_2_2 0
+
 // in wxMSW version 2.1.11 and earlier, wxIcon always derives from wxBitmap,
 // but this is very dangerous because you can mistakenly pass an icon instead
 // of a bitmap to a function taking "const wxBitmap&" - which will *not* work

setup.h.in

@@ -91,7 +91,6 @@
 #undef __ULTRIX__
 #undef __DATA_GENERAL__
 #undef __EMX__
-#undef _GNU_SOURCE
 
 /* Stupid hack; __WINDOWS__ clashes with wx/defs.h */
 #ifndef __WINDOWS__
@@ -659,7 +658,11 @@
 /*
  * Compatibility with 2.0 API.
  */
-#define WXWIN_COMPATIBILITY_2 1
+#define WXWIN_COMPATIBILITY_2 0
+/*
+ * Compatibility with 2.2 API
+ */
+#define WXWIN_COMPATIBILITY_2_2 0
 /*
  * Enables debugging: memory tracing, assert, etc., contains debug level
  */