Move HAVE_WCSXXX from wx/osx/config_xcode.h to wx/osx/chkconf.h.

The latter file is also used when building from the command line while the
former is only used in Xcode build, as its name indicates (which didn't help
me to notice it, however).

Also restore the test for wcsftime() in configure as it is available even on
older systems but do not test for strnlen() -- as it is not.

These changes amend those of r74523.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74534 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

configure

@@ -29906,12 +29906,12 @@ if test "$WCSLEN_FOUND" = 1; then
 
 fi
 
-for ac_func in strnlen
+for ac_func in wcsftime
 do :
-  ac_fn_c_check_func "$LINENO" "strnlen" "ac_cv_func_strnlen"
-if test "x$ac_cv_func_strnlen" = xyes; then :
+  ac_fn_c_check_func "$LINENO" "wcsftime" "ac_cv_func_wcsftime"
+if test "x$ac_cv_func_wcsftime" = xyes; then :
   cat >>confdefs.h <<_ACEOF
-#define HAVE_STRNLEN 1
+#define HAVE_WCSFTIME 1
 _ACEOF
 
 fi
@@ -29919,7 +29919,7 @@ done
 
 
 if test "$wxUSE_MAC" != 1; then
-    for ac_func in wcsdup wcsftime wcsnlen wcscasecmp wcsncasecmp
+    for ac_func in strnlen wcsdup wcsnlen wcscasecmp wcsncasecmp
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"

configure.in

@@ -4096,15 +4096,17 @@ if test "$WCSLEN_FOUND" = 1; then
     AC_DEFINE(HAVE_WCSLEN)
 fi
 
-AC_CHECK_FUNCS(strnlen)
+dnl Notice that unlike the functions below, this one seems to be present in all
+dnl support OS X versions so it's OK to test for it here.
+AC_CHECK_FUNCS(wcsftime)
 
-dnl OS X provides the wide character functions starting from 10.7 so our tests
-dnl would succeed if we're configuring under 10.7 or later, yet the compiled
-dnl programs would fail if ran under 10.6 or earlier. To avoid this problem we
-dnl define the corresponding HAVE_XXX in wx/osx/config_xcode.h instead of
-dnl testing for them here.
+dnl OS X provides the wide character functions (and also strnlen(), for some
+dnl reason) only starting from 10.7 so our tests would succeed if we're
+dnl configuring under 10.7 or later, yet the compiled programs would fail if
+dnl ran under 10.6 or earlier. To avoid this problem, define the corresponding
+dnl HAVE_XXX in wx/osx/config_xcode.h instead of testing for them here.
 if test "$wxUSE_MAC" != 1; then
-    AC_CHECK_FUNCS([wcsdup wcsftime wcsnlen wcscasecmp wcsncasecmp])
+    AC_CHECK_FUNCS([strnlen wcsdup wcsnlen wcscasecmp wcsncasecmp])
 fi
 
 dnl On HP-UX aCC need this define to find mbstrtowcs() &c

include/wx/osx/cocoa/chkconf.h

@@ -12,6 +12,17 @@
 #ifndef _WX_OSX_COCOA_CHKCONF_H_
 #define _WX_OSX_COCOA_CHKCONF_H_
 
+/* Many wchar functions (and also strnlen(), for some reason) are only
+   available since 10.7 so don't use them if we want to build the applications
+   that would run under 10.6 and earlier. */
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_7
+#define HAVE_STRNLEN 1
+#define HAVE_WCSDUP 1
+#define HAVE_WCSNLEN 1
+#define HAVE_WCSCASECMP 1
+#define HAVE_WCSNCASECMP 1
+#endif
+
 /*
  * native (1) or emulated (0) toolbar
  */

include/wx/osx/config_xcode.h

@@ -74,17 +74,6 @@
 #define HAVE_VSSCANF_DECL 1
 #define HAVE_USLEEP 1
 #define HAVE_WCSLEN 1
-
-/* Many wchar functions are only available since 10.7 so don't use them if we
-   want to build the applications that would run under 10.6 and earlier. */
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_7
-#define HAVE_WCSDUP 1
-#define HAVE_WCSFTIME 1
-#define HAVE_WCSNLEN 1
-#define HAVE_WCSCASECMP 1
-#define HAVE_WCSNCASECMP 1
-#endif
-
 #define SIZEOF_WCHAR_T 4
 #define SIZEOF_SHORT 2
 #define SIZEOF_INT 4