X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/50acee04cdaf2fec9f3fa4cd0035ff2d9ed7d53a..81f5836b8953c11551767e7bf16467824432c0a3:/configure.in

diff --git a/configure.in b/configure.in
index c062c92a70..1cb41c1bac 100644
--- a/configure.in
+++ b/configure.in
@@ -424,6 +424,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_SOUND=no
   DEFAULT_wxUSE_MEDIACTRL=no
   DEFAULT_wxUSE_GSTREAMER8=no
+  DEFAULT_wxUSE_PRINTF_POS_PARAM=no
   DEFAULT_wxUSE_INTL=no
   DEFAULT_wxUSE_CONFIG=no
   DEFAULT_wxUSE_FONTMAP=no
@@ -636,6 +637,7 @@ else
   DEFAULT_wxUSE_SOUND=yes
   DEFAULT_wxUSE_MEDIACTRL=no
   DEFAULT_wxUSE_GSTREAMER8=no
+  DEFAULT_wxUSE_PRINTF_POS_PARAM=yes
   DEFAULT_wxUSE_INTL=yes
   DEFAULT_wxUSE_CONFIG=yes
   DEFAULT_wxUSE_FONTMAP=yes
@@ -957,7 +959,7 @@ WX_ARG_ENABLE(unicode,       [  --enable-unicode        compile wxString with Un
 WX_ARG_ENABLE(sound,         [  --enable-sound          use wxSound class], wxUSE_SOUND)
 WX_ARG_ENABLE(mediactrl,     [  --enable-mediactrl      use wxMediaCtrl class], wxUSE_MEDIACTRL)
 WX_ARG_ENABLE(gstreamer8,     [  --enable-gstreamer8      force GStreamer 0.8 instead of 0.10 with the wxMediaCtrl class on unix], wxUSE_GSTREAMER8)
-WX_ARG_ENABLE(wxprintfv,     [  --enable-wxprintfv      use wxWidgets implementation of vprintf()], wxUSE_EXPERIMENTAL_PRINTF)
+WX_ARG_ENABLE(printfposparam,[  --enable-printfposparam use wxVsnprintf() which supports positional parameters], wxUSE_PRINTF_POS_PARAMS)
 WX_ARG_ENABLE(zipstream,     [  --enable-zipstream      use wxZip streams], wxUSE_ZIPSTREAM)
 
 WX_ARG_ENABLE(url,           [  --enable-url            use wxURL class], wxUSE_URL)
@@ -4320,8 +4322,41 @@ if test "$ac_cv_func_snprintf" = "yes"; then
             AC_DEFINE(HAVE_BROKEN_SNPRINTF_DECL)
         fi
     fi
+
+    if test "$wxUSE_PRINTF_POS_PARAMS" = "yes"; then
+
+        dnl check if snprintf() has support for positional arguments
+        dnl NB: if snprintf() has positional support we can safely suppose that also
+        dnl     other *printf() functions support them as they all belong to the same
+        dnl     family and they all fallback to the same implementation
+        AC_CACHE_CHECK([if snprintf supports positional arguments], wx_cv_func_snprintf_pos_params,
+            [
+                AC_TRY_RUN(
+                    [
+                        #include <stdio.h>
+
+                        int main (void)
+                        {
+                            char buffer[128];
+                            snprintf (buffer, 128, "%2\$d %3\$d %1\$d", 1, 2, 3);
+                            if (strcmp ("2 3 1", buffer) == 0)
+                                exit (0);
+                            exit (1);
+                        }
+                    ],
+                    wx_cv_func_snprintf_pos_params=no,
+                    wx_cv_func_snprintf_pos_params=yes
+                )
+            ]
+        )
+
+        if test "$wx_cv_func_snprintf_pos_params" = "yes"; then
+            AC_DEFINE(HAVE_UNIX98_PRINTF)
+        fi
+    fi
 fi
 
+
 if test "$wxUSE_UNICODE" = yes; then
     dnl also look if we have wide char IO functions
     AC_CHECK_FUNCS(wputc wputchar putws fputws wprintf vswprintf)
@@ -5648,6 +5683,11 @@ if test "$wxUSE_STREAMS" = "yes" ; then
   AC_DEFINE(wxUSE_STREAMS)
 fi
 
+if test "$wxUSE_PRINTF_POS_PARAMS" = "yes"; then
+  AC_DEFINE(wxUSE_PRINTF_POS_PARAMS)
+fi
+
+
 dnl ---------------------------------------------------------------------------
 dnl time/date functions
 dnl ---------------------------------------------------------------------------