Merged 2293

configure.in

@@ -701,7 +701,7 @@ dnl Check for wxWindows
 dnl
   AC_ARG_ENABLE([gui],
     [  --enable-gui            compile mkvinfo's GUI and mmg (yes)])
-  AC_MSG_CHECKING(for wxWindows)
+  AC_MSG_CHECKING(for wxWidgets)
   if test x"$enable_gui" = x"yes" -o x"$enable_gui" = "x"; then
     if wx-config --cxxflags > /dev/null 2>&1; then
       wxwversion=`wx-config --version`
@@ -731,11 +731,32 @@ dnl
         WXWINDOWS_CFLAGS=`wx-config --cxxflags`
         WXWINDOWS_LDFLAGS=`wx-config --ldflags`
         WXWINDOWS_LIBS=`wx-config --libs`
-        AC_DEFINE(HAVE_WXWINDOWS, 1, [Define if wxWindows is present])
-        MMG_SUBDIRS=mmg
-        AC_MSG_RESULT($wxwversion ok)
-        have_wxwindows=yes
-        USE_WXWINDOWS=yes
+        AC_CACHE_VAL(am_cv_wx_compilation, [
+          AC_LANG_PUSH(C++)
+          ac_save_CXXFLAGS="$CXXFLAGS"
+          ac_save_LIBS="$LIBS"
+          CXXFLAGS="$CXXFLAGS $WXWINDOWS_CFLAGS"
+          LIBS="$LDFLAGS $WXWINDOWS_LDFLAGS $WXWINDOWS_LIBS"
+          AC_TRY_LINK([
+#include <wx/dnd.h>
+#include <wx/treectrl.h>
+], [
+wxDragResult result = wxDragError;
+wxTreeItemId id;
+], [ am_cv_wx_compilation=1 ], [ am_cv_wx_compilation=0 ])
+          AC_LANG_POP()
+          CXXFLAGS="$ac_save_CXXFLAGS"
+          LIBS="$ac_save_LIBS"
+        ])
+        if test x"$am_cv_wx_compilation" = x1; then
+          AC_DEFINE(HAVE_WXWINDOWS, 1, [Define if wxWindows is present])
+          MMG_SUBDIRS=mmg
+          AC_MSG_RESULT($wxwversion ok)
+          have_wxwindows=yes
+          USE_WXWINDOWS=yes
+        else
+          AC_MSG_RESULT(no: test program could not be compiled)
+        fi
       else
         AC_MSG_RESULT(no: version $wxwversion is too old)
       fi