]> git.saurik.com Git - wxWidgets.git/blobdiff - configure.in
Fix compilation
[wxWidgets.git] / configure.in
index 2dcbb98e058409229a339a198cd2947146e80d46..adf487d7681c0a051bc39e7fef5bd6894efaed70 100644 (file)
@@ -401,6 +401,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_LIBMSPACK=no
   DEFAULT_wxUSE_LIBSDL=no
   DEFAULT_wxUSE_LIBGNOMEPRINT=no
+  DEFAULT_wxUSE_LIBGNOMEVFS=no
   DEFAULT_wxUSE_LIBHILDON=no
   DEFAULT_wxUSE_ODBC=no
   DEFAULT_wxUSE_OPENGL=no
@@ -422,6 +423,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_TEXTFILE=no
   DEFAULT_wxUSE_SOUND=no
   DEFAULT_wxUSE_MEDIACTRL=no
+  DEFAULT_wxUSE_GSTREAMER8=no
   DEFAULT_wxUSE_INTL=no
   DEFAULT_wxUSE_CONFIG=no
   DEFAULT_wxUSE_FONTMAP=no
@@ -507,6 +509,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_CHOICE=no
   DEFAULT_wxUSE_CHOICEBOOK=no
   DEFAULT_wxUSE_COMBOBOX=no
+  DEFAULT_wxUSE_COMBOCONTROL=no
   DEFAULT_wxUSE_DATEPICKCTRL=no
   DEFAULT_wxUSE_DISPLAY=no
   DEFAULT_wxUSE_GAUGE=no
@@ -517,6 +520,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_LISTBOX=no
   DEFAULT_wxUSE_LISTCTRL=no
   DEFAULT_wxUSE_NOTEBOOK=no
+  DEFAULT_wxUSE_OWNERDRAWNCOMBOBOX=no
   DEFAULT_wxUSE_RADIOBOX=no
   DEFAULT_wxUSE_RADIOBTN=no
   DEFAULT_wxUSE_SASH=no
@@ -530,7 +534,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_STATLINE=no
   DEFAULT_wxUSE_STATTEXT=no
   DEFAULT_wxUSE_STATUSBAR=yes
-  DEFAULT_wxUSE_TABDIALOG=no
+  DEFAULT_wxUSE_TAB_DIALOG=no
   DEFAULT_wxUSE_TEXTCTRL=no
   DEFAULT_wxUSE_TOGGLEBTN=no
   DEFAULT_wxUSE_TOOLBAR=no
@@ -603,6 +607,7 @@ else
   DEFAULT_wxUSE_LIBMSPACK=yes
   DEFAULT_wxUSE_LIBSDL=no
   DEFAULT_wxUSE_LIBGNOMEPRINT=no
+  DEFAULT_wxUSE_LIBGNOMEVFS=no
   DEFAULT_wxUSE_LIBHILDON=no
   DEFAULT_wxUSE_ODBC=no
   DEFAULT_wxUSE_OPENGL=no
@@ -624,6 +629,7 @@ else
   DEFAULT_wxUSE_TEXTFILE=yes
   DEFAULT_wxUSE_SOUND=yes
   DEFAULT_wxUSE_MEDIACTRL=no
+  DEFAULT_wxUSE_GSTREAMER8=no
   DEFAULT_wxUSE_INTL=yes
   DEFAULT_wxUSE_CONFIG=yes
   DEFAULT_wxUSE_FONTMAP=yes
@@ -709,6 +715,7 @@ else
   DEFAULT_wxUSE_CHOICE=yes
   DEFAULT_wxUSE_CHOICEBOOK=yes
   DEFAULT_wxUSE_COMBOBOX=yes
+  DEFAULT_wxUSE_COMBOCONTROL=yes
   DEFAULT_wxUSE_DATEPICKCTRL=yes
   DEFAULT_wxUSE_DISPLAY=yes
   DEFAULT_wxUSE_GAUGE=yes
@@ -719,6 +726,7 @@ else
   DEFAULT_wxUSE_LISTBOX=yes
   DEFAULT_wxUSE_LISTCTRL=yes
   DEFAULT_wxUSE_NOTEBOOK=yes
+  DEFAULT_wxUSE_OWNERDRAWNCOMBOBOX=yes
   DEFAULT_wxUSE_RADIOBOX=yes
   DEFAULT_wxUSE_RADIOBTN=yes
   DEFAULT_wxUSE_SASH=yes
@@ -732,7 +740,7 @@ else
   DEFAULT_wxUSE_STATLINE=yes
   DEFAULT_wxUSE_STATTEXT=yes
   DEFAULT_wxUSE_STATUSBAR=yes
-  DEFAULT_wxUSE_TABDIALOG=no
+  DEFAULT_wxUSE_TAB_DIALOG=no
   DEFAULT_wxUSE_TEXTCTRL=yes
   DEFAULT_wxUSE_TOGGLEBTN=yes
   DEFAULT_wxUSE_TOOLBAR=yes
@@ -828,7 +836,8 @@ WX_ARG_SYS_WITH(libtiff,   [  --with-libtiff          use libtiff (TIFF file for
 WX_ARG_SYS_WITH(libxpm,    [  --with-libxpm           use libxpm (XPM file format)], wxUSE_LIBXPM)
 WX_ARG_WITH(libmspack,     [  --with-libmspack        use libmspack (CHM help files loading)], wxUSE_LIBMSPACK)
 WX_ARG_WITH(sdl,           [  --with-sdl              use SDL for audio on Unix], wxUSE_LIBSDL)
-WX_ARG_WITH(gnomeprint,    [  --with-gnomeprint       use GNOME print for printing under Unix], wxUSE_LIBGNOMEPRINT)
+WX_ARG_WITH(gnomeprint,    [  --with-gnomeprint       use GNOME print for printing under GNOME], wxUSE_LIBGNOMEPRINT)
+WX_ARG_WITH(gnomevfs,      [  --with-gnomevfs         use GNOME VFS for associating MIME types], wxUSE_LIBGNOMEVFS)
 WX_ARG_WITH(hildon,        [  --with-hildon           use Hildon framework for Nokia 770], wxUSE_LIBHILDON)
 WX_ARG_WITH(opengl,        [  --with-opengl           use OpenGL (or Mesa)], wxUSE_OPENGL)
 
@@ -935,6 +944,7 @@ WX_ARG_ENABLE(timer,         [  --enable-timer          use wxTimer class], wxUS
 WX_ARG_ENABLE(unicode,       [  --enable-unicode        compile wxString with Unicode support], wxUSE_UNICODE)
 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(zipstream,     [  --enable-zipstream      use wxZip streams], wxUSE_ZIPSTREAM)
 
@@ -1106,6 +1116,7 @@ WX_ARG_ENABLE(checklst,    [  --enable-checklst       use wxCheckListBox (listbo
 WX_ARG_ENABLE(choice,      [  --enable-choice         use wxChoice class], wxUSE_CHOICE)
 WX_ARG_ENABLE(choicebook,  [  --enable-choicebook     use wxChoicebook class], wxUSE_CHOICEBOOK)
 WX_ARG_ENABLE(combobox,    [  --enable-combobox       use wxComboBox class], wxUSE_COMBOBOX)
+WX_ARG_ENABLE(combocontrol,[  --enable-combocontrol   use wxComboControl class], wxUSE_COMBOCONTROL)
 WX_ARG_ENABLE(datepick,    [  --enable-datepick       use wxDatePickerCtrl class], wxUSE_DATEPICKCTRL)
 WX_ARG_ENABLE(display,     [  --enable-display        use wxDisplay class], wxUSE_DISPLAY)
 WX_ARG_ENABLE(gauge,       [  --enable-gauge          use wxGauge class], wxUSE_GAUGE)
@@ -1116,6 +1127,7 @@ WX_ARG_ENABLE(listbook,    [  --enable-listbook       use wxListbook class], wxU
 WX_ARG_ENABLE(listbox,     [  --enable-listbox        use wxListBox class], wxUSE_LISTBOX)
 WX_ARG_ENABLE(listctrl,    [  --enable-listctrl       use wxListCtrl class], wxUSE_LISTCTRL)
 WX_ARG_ENABLE(notebook,    [  --enable-notebook       use wxNotebook class], wxUSE_NOTEBOOK)
+WX_ARG_ENABLE(odcombo,     [  --enable-odcombo        use wxOwnerDrawnComboBox class], wxUSE_OWNERDRAWNCOMBOBOX)
 WX_ARG_ENABLE(radiobox,    [  --enable-radiobox       use wxRadioBox class], wxUSE_RADIOBOX)
 WX_ARG_ENABLE(radiobtn,    [  --enable-radiobtn       use wxRadioButton class], wxUSE_RADIOBTN)
 WX_ARG_ENABLE(sash,        [  --enable-sash           use wxSashWindow class], wxUSE_SASH)
@@ -1129,7 +1141,7 @@ WX_ARG_ENABLE(statbox,     [  --enable-statbox        use wxStaticBox class], wx
 WX_ARG_ENABLE(statline,    [  --enable-statline       use wxStaticLine class], wxUSE_STATLINE)
 WX_ARG_ENABLE(stattext,    [  --enable-stattext       use wxStaticText class], wxUSE_STATTEXT)
 WX_ARG_ENABLE(statusbar,   [  --enable-statusbar      use wxStatusBar class], wxUSE_STATUSBAR)
-WX_ARG_ENABLE(tabdialog,   [  --enable-tabdialog      use wxTabControl class], wxUSE_TABDIALOG)
+WX_ARG_ENABLE(tabdialog,   [  --enable-tabdialog      use wxTabControl class], wxUSE_TAB_DIALOG)
 WX_ARG_ENABLE(textctrl,    [  --enable-textctrl       use wxTextCtrl class], wxUSE_TEXTCTRL)
 WX_ARG_ENABLE(togglebtn,   [  --enable-togglebtn      use wxToggleButton class], wxUSE_TOGGLEBTN)
 WX_ARG_ENABLE(toolbar,     [  --enable-toolbar        use wxToolBar class], wxUSE_TOOLBAR)
@@ -1407,6 +1419,10 @@ dnl is -traditional needed for correct compilations
 dnl   adds -traditional for gcc if needed
 AC_PROG_GCC_TRADITIONAL
 
+dnl do all checks from now on using the C++ compiler: this saves us a lot of
+dnl problems with various functions which may be available in libc but not
+dnl declared in the header and various pointer conversions which compile with
+dnl the C compiler but not in C++
 AC_LANG_PUSH(C++)
 
 dnl C++-compiler checks
@@ -1419,8 +1435,6 @@ dnl see CFLAGS line above
 CXXFLAGS=${CXXFLAGS:=}
 AC_BAKEFILE_PROG_CXX
 
-AC_LANG_POP
-
 dnl ranlib command
 dnl   defines RANLIB with the appropriate command
 AC_PROG_RANLIB
@@ -1605,6 +1619,7 @@ case "${host}" in
       dnl not "g++/c++".
       dnl ---------------------------------------------------------------------
       dnl (OS/2-only piece)
+      AC_LANG_PUSH(C)
       if test "$wxUSE_MOTIF" = 1 -o "$wxUSE_GTK" = 1 -o "$wxUSE_X11" = 1; then
           dnl More complete Unix emulation for unix-like ports
           dnl by linking in POSIX/2's cExt (if available).
@@ -1648,6 +1663,7 @@ case "${host}" in
               wx_cv_gccversion="EMX2"
           )
       ])
+      AC_LANG_POP
       if test "$wx_cv_gccversion" = "EMX2"; then
           LIBS="$LIBS -lstdcpp"
           LDFLAGS="$LDFLAGS -Zsysv-signals"
@@ -1674,8 +1690,6 @@ case "${host}" in
       dnl ---------------------------------------------------------------------
       dnl (non-OS/2-only piece)
 
-      AC_LANG_PUSH(C++)
-
       AC_CACHE_CHECK([for strcasecmp() in string.h], ac_cv_string_strcasecmp, [
           AC_TRY_LINK([
               #include <string.h>
@@ -1710,7 +1724,6 @@ case "${host}" in
           fi
       fi
 
-      AC_LANG_POP
       dnl (end of non-OS/2-only piece)
   ;;
 esac
@@ -1900,7 +1913,6 @@ if test "x$wx_largefile" = "xyes"; then
                 [if -D__STDC_EXT__ is required],
                 wx_cv_STDC_EXT_required,
                 [
-                    AC_LANG_PUSH(C++)
                     AC_TRY_COMPILE(
                         [],
                         [
@@ -1911,7 +1923,6 @@ if test "x$wx_largefile" = "xyes"; then
                         wx_cv_STDC_EXT_required=no,
                         wx_cv_STDC_EXT_required=yes
                     )
-                    AC_LANG_POP
                 ]
             )
             if test "x$wx_cv_STDC_EXT_required" = "xyes"; then
@@ -2003,8 +2014,6 @@ fi
 
 dnl check for std::string or std::wstring
 if test "$wxUSE_STD_STRING" = "yes" -o "$wxUSE_STL" = "yes"; then
-    AC_LANG_PUSH(C++)
-
     if test "$wxUSE_UNICODE" = "yes"; then
         std_string="std::wstring"
         char_type="wchar_t"
@@ -2049,13 +2058,9 @@ if test "$wxUSE_STD_STRING" = "yes" -o "$wxUSE_STL" = "yes"; then
                         ]
                     )
                     ])
-
-    AC_LANG_POP
 fi
 
 if test "$wxUSE_STD_IOSTREAM" = "yes"; then
-    AC_LANG_PUSH(C++)
-
     AC_CHECK_TYPES([std::istream, std::ostream],,
                    [wxUSE_STD_IOSTREAM=no],
                    [#include <iostream>])
@@ -2067,13 +2072,9 @@ if test "$wxUSE_STD_IOSTREAM" = "yes"; then
             AC_MSG_WARN([No std::iostreams, switching to --disable-std_iostreams])
         fi
     fi
-
-    AC_LANG_POP
 fi
 
 if test "$wxUSE_STL" = "yes"; then
-    AC_LANG_PUSH(C++)
-
     dnl check for basic STL functionality
     AC_MSG_CHECKING([for basic STL functionality])
     AC_TRY_COMPILE([#include <string>
@@ -2128,8 +2129,6 @@ if test "$wxUSE_STL" = "yes"; then
                                      AC_DEFINE(HAVE_GNU_CXX_HASH_MAP)],
                                     [AC_MSG_RESULT(no)])
                      ])
-
-    AC_LANG_POP
 fi
 
 dnl ---------------------------------------------------------------------------
@@ -2326,6 +2325,47 @@ if test "x$wx_cv_lib_glibc21" = "xyes"; then
     fi
 fi
 
+dnl Only add the -lm library if floating point functions cannot be used
+dnl without it.  This check is important on cygwin because of the bizarre
+dnl way that they have organized functions into libraries.  On cygwin, both
+dnl libc.a and libm.a are symbolic links to a single lib libcygwin.a.  This
+dnl means that
+dnl   1) linking with -lm is not necessary, and
+dnl   2) linking with -lm is dangerous if the order of libraries is wrong
+dnl In particular, if you compile any program with -mno-cygwin and link with
+dnl -lm, it will crash instantly when it is run.  This happens because the
+dnl linker incorrectly links the Cygwin libm.a (==libcygwin.a), which replaces
+dnl the ___main function instead of allowing it to be defined by
+dnl /usr/lib/mingw/libmingw32.a as it should be.
+dnl
+dnl On MacOS X, this test will find that -lm is unnecessary and leave it out.
+dnl
+dnl Just check a few floating point functions. If they are all found without
+dnl -lm, then we must not need -lm.
+have_cos=0
+have_floor=0
+AC_CHECK_FUNCS(cos, have_cos=1)
+AC_CHECK_FUNCS(floor, have_floor=1)
+AC_MSG_CHECKING(if floating point functions link without -lm)
+if test "$have_cos" = 1 -a "$have_floor" = 1; then
+    AC_MSG_RESULT(yes)
+else
+    AC_MSG_RESULT(no)
+    LIBS="$LIBS -lm"
+    # use different functions to avoid configure caching
+    have_sin=0
+    have_ceil=0
+    AC_CHECK_FUNCS(sin, have_sin=1)
+    AC_CHECK_FUNCS(ceil, have_ceil=1)
+    AC_MSG_CHECKING(if floating point functions link with -lm)
+    if test "$have_sin" = 1 -a "$have_ceil" = 1; then
+        AC_MSG_RESULT(yes)
+    else
+        AC_MSG_RESULT(no)
+        # not sure we should warn the user, crash, etc.
+    fi
+fi
+
 dnl ---------------------------------------------------------------------------
 dnl Optional libraries
 dnl
@@ -2645,12 +2685,10 @@ if test "$wxUSE_EXPAT" != "no"; then
             AC_CACHE_CHECK([if expat.h is valid C++ header],
                 wx_cv_expat_is_not_broken,
                 [
-                AC_LANG_PUSH(C++)
                 AC_TRY_COMPILE([#include <expat.h>],[],
                     wx_cv_expat_is_not_broken=yes,
                     wx_cv_expat_is_not_broken=no
                 )
-                AC_LANG_POP
                 ]
             )
             if test "$wx_cv_expat_is_not_broken" = "yes" ; then
@@ -2790,6 +2828,9 @@ if test "$wxUSE_GUI" = "yes"; then
     fi
 
     if test "$wxUSE_GTK" = 1; then
+        dnl GTK+ test program must be compiled with C compiler
+        AC_LANG_PUSH(C)
+
         AC_MSG_CHECKING([for GTK+ version])
 
         gtk_version_cached=1
@@ -2887,7 +2928,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
         esac
 
         if test "$WXGTK20" = 1; then
-            save_CFLAGS="$CFLAGS"
+            save_CXXFLAGS="$CFLAGS"
             save_LIBS="$LIBS"
             CFLAGS="$wx_cv_cflags_gtk $CFLAGS"
             LIBS="$LIBS $wx_cv_libs_gtk"
@@ -2938,6 +2979,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
             fi
         fi
 
+        AC_LANG_POP
+
         dnl we need poll() in src/gtk/app.cpp (we know that Darwin doesn't
         dnl have it but we do the check for the others)
         if test "$USE_DARWIN" != 1; then
@@ -3140,12 +3183,12 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                         AC_MSG_WARN([pangoxft library not found, library will be compiled without anti-aliasing support])
                     ]
                 )
-                save_CFLAGS="$CFLAGS"
+                save_CXXFLAGS="$CXXFLAGS"
                 save_LIBS="$LIBS"
-                CFLAGS="$PANGOX_CFLAGS $CFLAGS"
+                CXXFLAGS="$PANGOX_CFLAGS $CXXFLAGS"
                 LIBS="$LIBS $PANGOX_LIBS"
                 AC_CHECK_FUNCS([pango_font_family_is_monospace])
-                CFLAGS="$save_CFLAGS"
+                CXXFLAGS="$save_CXXFLAGS"
                 LIBS="$save_LIBS"
         fi
 
@@ -3175,8 +3218,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
             WX_INCLUDE_PATH_EXIST($ac_find_includes, $TOOLKIT_INCLUDE)
             TOOLKIT_INCLUDE="$TOOLKIT_INCLUDE$ac_path_to_include"
         else
-            save_CFLAGS=$CFLAGS
-            CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
+            save_CXXFLAGS=$CXXFLAGS
+            CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
 
             AC_TRY_COMPILE(
                 [
@@ -3196,7 +3239,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                 ]
             )
 
-            CFLAGS=$save_CFLAGS
+            CXXFLAGS=$save_CXXFLAGS
         fi
 
 
@@ -3212,8 +3255,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
             dnl it might happen that we found headers in one of the standard
             dnl paths but the libs are elsewhere but still in default (linker)
             dnl path -- try to compile a test program to check for this
-            save_CFLAGS=$CFLAGS
-            CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
+            save_CXXFLAGS=$CXXFLAGS
+            CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
             save_LIBS="$LIBS"
             LIBS="$GUI_TK_LIBRARY -lXm -lXmu -lXext -lX11"
 
@@ -3235,7 +3278,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                 ]
             )
 
-            CFLAGS=$save_CFLAGS
+            CXXFLAGS=$save_CXXFLAGS
             LIBS="$save_LIBS"
         fi
 
@@ -3249,8 +3292,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                     if test "$libs_found" = "0"; then
                         save_LIBS="$LIBS"
                         LIBS="$GUI_TK_LIBRARY -lXm ${libp} -lXmu -lXext -lXt${libsm_ice} -lX11"
-                        save_CFLAGS=$CFLAGS
-                        CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
+                        save_CXXFLAGS=$CXXFLAGS
+                        CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
 
                         AC_TRY_LINK(
                             [
@@ -3273,7 +3316,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                         )
 
                         LIBS="$save_LIBS"
-                        CFLAGS=$save_CFLAGS
+                        CXXFLAGS=$save_CXXFLAGS
                     fi
                 done
             fi
@@ -3288,8 +3331,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
         dnl elsewhere
         AC_CHECK_LIB(Sgm, [SgCreateList], [libsgm_link=" -lSgm"])
 
-        save_CFLAGS=$CFLAGS
-        CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
+        save_CXXFLAGS=$CXXFLAGS
+        CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
 
         AC_CACHE_CHECK([for Motif 2],
             wx_cv_lib_motif2,
@@ -3328,7 +3371,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
             AC_DEFINE(__WXLESSTIF__,0)
         fi
 
-        CFLAGS=$save_CFLAGS
+        CXXFLAGS=$save_CXXFLAGS
 
         GUI_TK_LIBRARY="$GUI_TK_LIBRARY${libsgm_link} -lXm${libp_link} -lXmu -lXext -lXt${libsm_ice_link} -lX11"
         TOOLKIT=MOTIF
@@ -3349,8 +3392,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                 AC_CACHE_CHECK([for X11/xpm.h],
                     wx_cv_x11_xpm_h,
                     [
-                        save_CFLAGS=$CFLAGS
-                        CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
+                        save_CXXFLAGS=$CXXFLAGS
+                        CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
 
                         AC_TRY_COMPILE(
                             [
@@ -3364,7 +3407,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                             wx_cv_x11_xpm_h=no
                         )
 
-                        CFLAGS=$save_CFLAGS
+                        CXXFLAGS=$save_CXXFLAGS
                     ]
                 )
 
@@ -3387,8 +3430,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                      [], [$GUI_TK_LIBRARY -lX11])
 
         if test "$wxHAVE_XEXT_LIB" = 1; then
-            save_CFLAGS="$CFLAGS"
-            CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
+            save_CXXFLAGS="$CXXFLAGS"
+            CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
 
             AC_MSG_CHECKING([for X11/extensions/shape.h])
             AC_TRY_COMPILE([
@@ -3407,7 +3450,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                            [
                             AC_MSG_RESULT([not found])
                            ])
-            CFLAGS="$save_CFLAGS"
+            CXXFLAGS="$save_CXXFLAGS"
 
         fi
     fi
@@ -3616,14 +3659,9 @@ dnl ---------------------------------------------------------------------------
         fi
     elif test "$wxUSE_MSW" = 1; then
 dnl ---------------------------------------------------------------------------
-dnl DirectDraw  / Multimon for MSW
+dnl DirectDraw for MSW - optionally used by WxDisplay.
 dnl ---------------------------------------------------------------------------
-        AC_CHECK_HEADERS([multimon.h ddraw.h], [],
-            [
-                wxUSE_DISPLAY="no"
-                AC_MSG_WARN([ddraw.h or multimon.h not found; disabling wxDisplay])
-            ],
-            [#include <windows.h>])
+        AC_CHECK_HEADERS([ddraw.h], [], [], [#include <windows.h>])
     fi
 fi
 
@@ -3972,7 +4010,6 @@ AC_CHECK_TYPES(ssize_t)
 
 dnl check what exactly size_t is on this machine - this is necessary to avoid
 dnl ambiguous overloads in several places, notably wx/string.h and wx/array.h
-AC_LANG_PUSH(C++)
 AC_CACHE_CHECK([if size_t is unsigned int],
     wx_cv_size_t_is_uint,
     [
@@ -4019,8 +4056,6 @@ else
     fi
 fi
 
-AC_LANG_POP
-
 dnl ---------------------------------------------------------------------------
 dnl Checks for structures
 dnl ---------------------------------------------------------------------------
@@ -4095,11 +4130,6 @@ else
     AC_MSG_WARN([Wide character support is unavailable])
 fi
 
-dnl *printf() functions sometimes are available in the library but not
-dnl prototyped -- if this is the case, we can't use them from C++ code, but to
-dnl detect this we have to use C++ compiler for testing
-AC_LANG_PUSH(C++)
-
 dnl check for vsnprintf() -- a safe version of vsprintf())
 dnl
 dnl the trouble here is that on some systems (e.g HP-UX 10) this function is
@@ -4252,8 +4282,6 @@ if test "$wxUSE_UNICODE" = yes; then
                    [AC_MSG_RESULT([no])]);
 fi
 
-AC_LANG_POP
-
 if test "x$ac_cv_header_fnmatch_h" = "xyes"; then
     AC_CHECK_FUNCS(fnmatch)
 fi
@@ -4268,10 +4296,8 @@ if test "$TOOLKIT" != "MSW"; then
 
 dnl check for available version of iconv()
 
-AC_LANG_PUSH(C++)
 AM_ICONV
 LIBS="$LIBICONV $LIBS"
-AC_LANG_POP
 
 dnl check for POSIX signals if we need them
 if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes" -a "$wxUSE_UNIX" = "yes"; then
@@ -4283,8 +4309,6 @@ if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes" -a "$wxUSE_UNIX" = "yes"; then
     fi
 
     if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes"; then
-      AC_LANG_PUSH(C++)
-
       AC_CACHE_CHECK([for sa_handler type], wx_cv_type_sa_handler,
       [
         AC_TRY_COMPILE([#include <signal.h>],
@@ -4300,16 +4324,12 @@ if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes" -a "$wxUSE_UNIX" = "yes"; then
                      ])
       ])
 
-      AC_LANG_POP
-
       AC_DEFINE_UNQUOTED(wxTYPE_SA_HANDLER, $wx_cv_type_sa_handler)
     fi
 fi
 
 dnl backtrace() and backtrace_symbols() for wxStackWalker
 if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
-    AC_LANG_PUSH(C++)
-
     AC_CACHE_CHECK([for backtrace() in <execinfo.h>], wx_cv_func_backtrace,
         [
             AC_TRY_COMPILE([#include <execinfo.h>],
@@ -4348,8 +4368,6 @@ if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
             AC_DEFINE(HAVE_CXA_DEMANGLE)
         fi
     fi
-
-    AC_LANG_POP
 fi
 
 if test "$wxUSE_STACKWALKER" = "yes" -a "$USE_WIN32" != "1" -a "$USE_UNIX" != "1"; then
@@ -4388,7 +4406,6 @@ AC_CACHE_CHECK(for statfs, wx_cv_func_statfs,
 
 if test "$wx_cv_func_statfs" = "yes"; then
     dnl check whether we have its dcelaration too: some systems (AIX 4) lack it
-    AC_LANG_PUSH(C++)
     AC_CACHE_CHECK(for statfs declaration, wx_cv_func_statfs_decl,
         AC_TRY_COMPILE(
             [
@@ -4407,7 +4424,6 @@ if test "$wx_cv_func_statfs" = "yes"; then
             wx_cv_func_statfs_decl=no
         )
     )
-    AC_LANG_POP
 
     if test "$wx_cv_func_statfs_decl" = "yes"; then
         AC_DEFINE(HAVE_STATFS_DECL)
@@ -4438,8 +4454,6 @@ else
         dnl
         dnl for this check C++ compiler has to be used as passing incompatible
         dnl pointers is just a warning and not an error in C
-        AC_LANG_PUSH(C++)
-
         AC_CACHE_CHECK(for statvfs argument type, wx_cv_type_statvfs_t,
             AC_TRY_COMPILE(
                 [
@@ -4474,8 +4488,6 @@ else
             )
         )
 
-        AC_LANG_POP
-
         if test "$wx_cv_type_statvfs_t" != "unknown"; then
             AC_DEFINE(HAVE_STATVFS)
         fi
@@ -4548,14 +4560,8 @@ fi
 dnl check for uname (POSIX) and gethostname (BSD)
 AC_CHECK_FUNCS(uname gethostname, break)
 
-dnl check for MT-safe version of strtok (on DEC Alpha, it's ok for C compiler
-dnl but not for C++ one - hence change language)
-AC_LANG_PUSH(C++)
-
 AC_CHECK_FUNCS(strtok_r)
 
-AC_LANG_POP
-
 dnl check for inet_addr and inet_aton (these may live either in libc, or in
 dnl libnsl or libresolv or libsocket)
 INET_LINK=
@@ -4638,14 +4644,14 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
 
     dnl the code below:
     dnl
-    dnl   defines THREADS_LINK and THREADS_CFLAGS which are the options
+    dnl   defines THREADS_LINK and THREADS_CXXFLAGS which are the options
     dnl   necessary to build the MT programs for the linker and compiler
     dnl   respectively
     dnl
     dnl   sets wxUSE_THREADS=1 if thread support is activated
 
     THREADS_LINK=
-    THREADS_CFLAGS=
+    THREADS_CXXFLAGS=
 
     if test "$wxUSE_THREADS" = "yes" ; then
         if test "$USE_BEOS" = 1; then
@@ -4736,7 +4742,7 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
 
                 -*)
                     AC_MSG_CHECKING([whether pthreads work with $flag])
-                    THREADS_CFLAGS="$flag"
+                    THREADS_CXXFLAGS="$flag"
                     ;;
 
                 *)
@@ -4746,16 +4752,16 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
               esac
 
               save_LIBS="$LIBS"
-              save_CFLAGS="$CFLAGS"
+              save_CXXFLAGS="$CXXFLAGS"
               LIBS="$THREADS_LINK $LIBS"
-              CFLAGS="$THREADS_CFLAGS $CFLAGS"
+              CXXFLAGS="$THREADS_CXXFLAGS $CXXFLAGS"
 
               AC_TRY_LINK([#include <pthread.h>],
                           [pthread_create(0,0,0,0);],
                           THREADS_OK=yes)
 
               LIBS="$save_LIBS"
-              CFLAGS="$save_CFLAGS"
+              CXXFLAGS="$save_CXXFLAGS"
 
               AC_MSG_RESULT($THREADS_OK)
               if test "x$THREADS_OK" = "xyes"; then
@@ -4763,7 +4769,7 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
               fi
 
               THREADS_LINK=""
-              THREADS_CFLAGS=""
+              THREADS_CXXFLAGS=""
       done
 
       if test "x$THREADS_OK" != "xyes"; then
@@ -4772,7 +4778,7 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
       else
           dnl yes, these special compiler flags should be used with the
           dnl linker as well
-          LDFLAGS="$THREADS_CFLAGS $LDFLAGS"
+          LDFLAGS="$THREADS_CXXFLAGS $LDFLAGS"
           LIBS="$THREADS_LINK $LIBS"
 
           AC_MSG_CHECKING([if more special flags are required for pthreads])
@@ -4804,11 +4810,11 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
           esac
           AC_MSG_RESULT(${flag})
           if test "x$flag" != xno; then
-              THREADS_CFLAGS="$THREADS_CFLAGS $flag"
+              THREADS_CXXFLAGS="$THREADS_CXXFLAGS $flag"
           fi
 
           dnl don't add these options to CPPFLAGS as cpp might not know them
-          WXCONFIG_CFLAGS="$WXCONFIG_CFLAGS $THREADS_CFLAGS"
+          WXCONFIG_CXXFLAGS="$WXCONFIG_CXXFLAGS $THREADS_CXXFLAGS"
       fi
     fi
 
@@ -4959,8 +4965,8 @@ else
             AC_CACHE_CHECK([if compiler supports -mthreads],
                 wx_cv_cflags_mthread,
                 [
-                    CFLAGS_OLD="$CFLAGS"
-                    CFLAGS="-mthreads $CFLAGS"
+                    CXXFLAGS_OLD="$CXXFLAGS"
+                    CXXFLAGS="-mthreads $CXXFLAGS"
                     AC_TRY_COMPILE([], [],
                         wx_cv_cflags_mthread=yes,
                         wx_cv_cflags_mthread=no
@@ -4970,11 +4976,11 @@ else
 
             if test "$wx_cv_cflags_mthread" = "yes"; then
                 dnl it does, use it
-                WXCONFIG_CFLAGS="$WXCONFIG_CFLAGS -mthreads"
+                WXCONFIG_CXXFLAGS="$WXCONFIG_CXXFLAGS -mthreads"
                 LDFLAGS="$LDFLAGS -mthreads"
             else
                 dnl it doesn't
-                CFLAGS="$CFLAGS_OLD"
+                CXXFLAGS="$CXXFLAGS_OLD"
             fi
         ;;
         *-pc-os2*emx )
@@ -4994,7 +5000,6 @@ dnl safety issues and supports IPv6, however there currently is no code
 dnl for it, so testing for it is temporarily disabled and we are restricted
 dnl to gethostbyname_r/gethostbyaddr_r  and getservbyname_r
 
-AC_LANG_PUSH(C++)
 dnl AC_CHECK_FUNC(getaddrinfo, AC_DEFINE(HAVE_GETADDRINFO), [
     dnl no getaddrinfo, so check for gethostbyname_r and
     dnl related functions (taken from python's configure.in)
@@ -5022,7 +5027,6 @@ dnl AC_CHECK_FUNC(getaddrinfo, AC_DEFINE(HAVE_GETADDRINFO), [
       dnl  check to fit this case, if it's really needed.                - SN )
 dnl    ]
 dnl )
-AC_LANG_POP
 
 if test "$wxUSE_THREADS" = "yes"; then
   AC_DEFINE(wxUSE_THREADS)
@@ -5144,7 +5148,19 @@ if test "$wxUSE_OPTIMISE" = "no" ; then
     fi
 else
     if test "$GCC" = yes ; then
-        OPTIMISE_CFLAGS="-O2"
+        case "${host}" in
+            *-pc-os2_emx | *-pc-os2-emx )
+                dnl Not all of the supported gcc versions understand
+                dnl -fstrict-aliasing and none actually needs it (yet).
+                OPTIMISE_CFLAGS="-O2"
+            ;;
+            *)
+                dnl Switch on optimisation but keep strict-aliasing off for
+                dnl now (see -fstrict-aliasing in the gcc manual). When it is
+                dnl switched back on consider using -Wstrict-aliasing=2.
+                OPTIMISE_CFLAGS="-O2 -fno-strict-aliasing"
+            ;;
+        esac
     else
         OPTIMISE_CFLAGS="-O"
     fi
@@ -5390,6 +5406,26 @@ dnl                     EXTRALIBS_GNOMEPRINT="$LIBGNOMEPRINTUI_LIBS"
     fi
 fi
 
+if test "$WXGTK20" = 1; then
+    if test "$wxUSE_MIMETYPE" = "yes" ; then
+        if test "$wxUSE_LIBGNOMEVFS" = "yes" ; then
+
+                PKG_CHECK_MODULES(GNOMEVFS,
+                                  [gnome-vfs-2.0 >= 2.0],
+                    [
+dnl                     EXTRALIBS_GNOMEVFS="$LIBGNOMEVFS_LIBS"
+                        CXXFLAGS="$GNOMEVFS_CFLAGS $CXXFLAGS"
+                        AC_DEFINE(wxUSE_LIBGNOMEVFS)
+                    ],
+                    [
+                        AC_MSG_WARN([libgnomevfs not found, library won't be able to associate MIME type])
+                        wxUSE_LIBGNOMEVFS="no"
+                    ]
+                )
+        fi
+    fi
+fi
+
 if test "$WXGTK20" = 1; then
     if test "$wxUSE_LIBHILDON" = "yes" ; then
         PKG_CHECK_MODULES(HILDON, 
@@ -5567,7 +5603,6 @@ if test "$wxUSE_DATETIME" = "yes"; then
     if test "$ac_cv_func_strptime" = "yes"; then
         AC_CACHE_CHECK([for strptime declaration], wx_cv_func_strptime_decl,
             [
-                AC_LANG_PUSH(C++)
                 AC_TRY_COMPILE(
                     [
                         #include <time.h>
@@ -5579,7 +5614,6 @@ if test "$wxUSE_DATETIME" = "yes"; then
                     wx_cv_func_strptime_decl=yes,
                     wx_cv_func_strptime_decl=no
                 )
-                AC_LANG_POP
             ]
         )
     fi
@@ -5681,8 +5715,6 @@ if test "$wxUSE_DATETIME" = "yes"; then
                        wx_cv_func_gettimeofday_has_2_args,
         [
             dnl on some _really_ old systems it takes only 1 argument
-            AC_LANG_PUSH(C++)
-
             AC_TRY_COMPILE(
                 [
                     #include <sys/time.h>
@@ -5709,7 +5741,6 @@ if test "$wxUSE_DATETIME" = "yes"; then
                     ]
                 )
             )
-            AC_LANG_POP
         ])
 
         if test "$wx_cv_func_gettimeofday_has_2_args" != "yes"; then
@@ -5761,7 +5792,6 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
         dnl This test needs to be done in C++ mode since gsocket.cpp now
         dnl is C++ code and pointer cast that are possible even without
         dnl warning in C still fail in C++.
-        AC_LANG_PUSH(C++)
         AC_CACHE_CHECK([what is the type of the third argument of getsockname],
                        wx_cv_type_getsockname3,
             [
@@ -5883,7 +5913,6 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
         else
             AC_DEFINE_UNQUOTED(SOCKOPTLEN_T, $wx_cv_type_getsockopt5)
         fi
-        AC_LANG_POP
     fi
 fi
 
@@ -5948,14 +5977,12 @@ if test "$wxUSE_GUI" = "yes" -a "$wxUSE_JOYSTICK" = "yes"; then
         if test "$USE_DARWIN" = 1; then
             dnl check for a bug in the headers, some have bad setEventCallout
             AC_MSG_CHECKING([headers have declarations needed for joystick support])
-            AC_LANG_PUSH(C++)
             AC_TRY_COMPILE( [ #include <IOKit/hid/IOHIDLib.h> ],
                             [ IOHIDQueueInterface *qi = NULL;
                               IOHIDCallbackFunction cb = NULL;
                               qi->setEventCallout(NULL, cb, NULL, NULL); ],
                             [ wxUSE_JOYSTICK=yes ]
                           )
-            AC_LANG_POP
             AC_MSG_RESULT($wxUSE_JOYSTICK)
         fi
 
@@ -6101,8 +6128,6 @@ if test "$USE_WIN32" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
 
     if test "$ac_cv_header_ole2_h" = "yes" ; then
         if test "$GCC" = yes ; then
-            AC_LANG_PUSH(C++)
-
             AC_MSG_CHECKING([if g++ requires -fvtable-thunks])
             AC_TRY_COMPILE([#include <windows.h>
                             #include <ole2.h>],
@@ -6110,7 +6135,6 @@ if test "$USE_WIN32" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
                            [AC_MSG_RESULT(no)],
                            [AC_MSG_RESULT(yes)
                             WXCONFIG_CXXFLAGS="$WXCONFIG_CXXFLAGS -fvtable-thunks"])
-            AC_LANG_POP
             LIBS=" -lrpcrt4 -loleaut32 -lole32 -luuid$LIBS"
             if test "$wxUSE_OLE" = "yes" ; then
                 AC_DEFINE(wxUSE_OLE)
@@ -6257,6 +6281,11 @@ if test "$wxUSE_COMBOBOX" = "yes"; then
   USES_CONTROLS=1
 fi
 
+if test "$wxUSE_COMBOCONTROL" = "yes"; then
+  AC_DEFINE(wxUSE_COMBOCONTROL)
+  USES_CONTROLS=1
+fi
+
 if test "$wxUSE_CHOICE" = "yes"; then
   AC_DEFINE(wxUSE_CHOICE)
   USES_CONTROLS=1
@@ -6336,6 +6365,12 @@ if test "$wxUSE_NOTEBOOK" = "yes"; then
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS notebook"
 fi
 
+if test "$wxUSE_OWNERDRAWNCOMBOBOX" = "yes"; then
+  AC_DEFINE(wxUSE_OWNERDRAWNCOMBOBOX)
+  USES_CONTROLS=1
+  SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS combo"
+fi
+
 dnl if test "$wxUSE_PROPSHEET" = "yes"; then
 dnl     AC_DEFINE(wxUSE_PROPSHEET)
 dnl     USES_CONTROLS=1
@@ -6412,7 +6447,7 @@ if test "$wxUSE_STATUSBAR" = "yes"; then
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS statbar"
 fi
 
-if test "$wxUSE_TABDIALOG" = "yes"; then
+if test "$wxUSE_TAB_DIALOG" = "yes"; then
     AC_DEFINE(wxUSE_TAB_DIALOG)
 fi
 
@@ -6754,6 +6789,8 @@ dnl ---------------------------------------------------------------------------
 dnl wxMediaCtrl
 dnl ---------------------------------------------------------------------------
 
+USE_MEDIA=0
+
 if test "$wxUSE_MEDIACTRL" = "yes"; then
     dnl -----------------------------------------------------------------------
     dnl GStreamer
@@ -6762,77 +6799,57 @@ if test "$wxUSE_MEDIACTRL" = "yes"; then
         wxUSE_GSTREAMER="yes"
 
         dnl -------------------------------------------------------------------
-        dnl Test for gstreamer module from pkg-config
+        dnl Test for at least 0.8 gstreamer module from pkg-config
+        dnl Even totem doesn't accept 0.9 evidently.
+        dnl
+        dnl So, we first check to see if 0.10 if available - if not we
+        dnl try the older 0.8 version
         dnl -------------------------------------------------------------------
-        PKG_CHECK_MODULES(GSTREAMER, gstreamer-0.8,
+        GST_VERSION_MAJOR=0
+        GST_VERSION_MINOR=10
+        GST_VERSION_RELEASE=0
+        GSTREAMER_REQ=$GST_VERSION_MAJOR.$GST_VERSION_MINOR.$GST_VERSION_RELEASE
+        GST_MAJORMINOR=$GST_VERSION_MAJOR.$GST_VERSION_MINOR
+
+        if test "$wxUSE_GSTREAMER8" = "no"; then
+            PKG_CHECK_MODULES(GST, gstreamer-$GST_MAJORMINOR
+                               gstreamer-plugins-base-$GST_MAJORMINOR
+                               gconf-2.0,
         [
-            CPPFLAGS="$GSTREAMER_CFLAGS $CPPFLAGS"
-            LIBS="$LIBS $GSTREAMER_LIBS -lgstplay-0.8"
+                    CPPFLAGS="$GST_CFLAGS $CPPFLAGS"
+                    LIBS="$LIBS $GST_LIBS -lgstinterfaces-$GST_MAJORMINOR"
         ],
         [
-            AC_MSG_WARN([GStreamer installation not found])
-            wxUSE_GSTREAMER="no"
+                    GST_VERSION_MINOR=8
         ])
-
-        dnl -------------------------------------------------------------------
-        dnl Perform a check for a GStreamer element using gst-inspect
-        dnl Thomas Vander Stichele <thomas at apestaart dot org>
-        dnl Last modification: 25/01/2005
-        dnl
-        dnl AM_GST_ELEMENT_CHECK(ELEMENT-NAME, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
-        dnl -------------------------------------------------------------------
-        AC_DEFUN([AM_GST_ELEMENT_CHECK],
-        [
-        if test "x$GST_INSPECT" == "x"; then
-            AC_CHECK_PROG(GST_INSPECT, gst-inspect, gst-inspect, [])
-        fi
-
-        if test "x$GST_INSPECT" != "x"; then
-            AC_MSG_CHECKING(GStreamer element $1)
-            if [ $GST_INSPECT $1 > /dev/null 2> /dev/null ]; then
-            AC_MSG_RESULT(found.)
-            $2
             else
-            AC_MSG_RESULT(not found.)
-            $3
-            fi
+            GST_VERSION_MINOR=8
         fi
-        ])
 
-        dnl -------------------------------------------------------------------
-        dnl Test for x video sink (video useless without)
-        dnl -------------------------------------------------------------------
-        AM_GST_ELEMENT_CHECK(xvimagesink,[],
-                        [
-                            wxUSE_GSTREAMER="no"
-                            AC_MSG_WARN([x video sink not found - cannot use GStreamer])
-                        ])
+        GSTREAMER_REQ=$GST_VERSION_MAJOR.$GST_VERSION_MINOR.$GST_VERSION_RELEASE
+        GST_MAJORMINOR=$GST_VERSION_MAJOR.$GST_VERSION_MINOR
 
-        dnl -------------------------------------------------------------------
-        dnl Check for gstplay-0.8 lib and corresponding x overlay header
-        dnl -------------------------------------------------------------------
-        AC_CHECK_HEADER(gst/xoverlay/xoverlay.h, [],
+        if test x$GST_VERSION_MINOR = x8; then
+            PKG_CHECK_MODULES(GST, gstreamer-$GST_MAJORMINOR
+                gstreamer-interfaces-$GST_MAJORMINOR
+                gstreamer-gconf-$GST_MAJORMINOR,
                         [
-                            wxUSE_GSTREAMER="no"
-                            AC_MSG_WARN([xoverlay header not found, cannot use GStreamer])
+                    CPPFLAGS="$GST_CFLAGS $CPPFLAGS"
+                    LIBS="$LIBS $GST_LIBS"
                         ],
-                        [#include <gst/gst.h>])
-
-        AC_MSG_CHECKING([for gstplay 0.8])
-        WX_PATH_FIND_LIBRARIES([$SEARCH_LIB],gstplay-0.8)
-
-        if test "$ac_find_libraries" = "" ; then
-            AC_MSG_RESULT([no])
+                [
+                    AC_MSG_WARN([Proper GStreamer .8/.10 installation not found])
             wxUSE_GSTREAMER="no"
-        else
-            AC_MSG_RESULT([yes])
+                ])
         fi
 
+
         if test "$wxUSE_GSTREAMER" = "yes"; then
             AC_DEFINE(wxUSE_GSTREAMER)
             AC_MSG_RESULT([GStreamer detection successful])
         fi
     fi
+    USE_MEDIA=1
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS mediaplayer"
     AC_DEFINE(wxUSE_MEDIACTRL)
 fi
@@ -6900,10 +6917,10 @@ dnl ---------------------------------------------------------------------------
 dnl Output the makefiles and such from the results found above
 dnl ---------------------------------------------------------------------------
 
-dnl all additional libraries (except wxWidgets itself) we link with
+dnl no more tests from here
+AC_LANG_POP
 
-dnl note that we always link with -lm except for Mac OS X
-dnl extended.c uses floor() and is always linked in
+dnl all additional libraries (except wxWidgets itself) we link with
 
 if test "$wxUSE_MAC" = 1 ; then
     if test "$wxUSE_SOUND" = "yes" || test "$wxUSE_MEDIACTRL" = "yes"; then
@@ -6929,53 +6946,8 @@ if test "$USE_DARWIN" = 1 -a "$wxUSE_MAC" != 1 -a "$wxUSE_COCOA" != 1 ; then
     LDFLAGS="$LDFLAGS -framework IOKit -framework CoreServices -framework System -framework ApplicationServices"
 fi
 
-dnl FIXME: should this be covered by the conditional above
-dnl given the -lm comment there?  Or should that comment (and
-dnl this one) be removed..   [ 7 Nov 2001 ]
-
 LIBS="$ZLIB_LINK $POSIX4_LINK $INET_LINK $WCHAR_LINK $DL_LINK $LIBS"
 
-dnl Only add the -lm library if floating point functions cannot be used
-dnl without it.  This check is important on cygwin because of the bizarre
-dnl way that they have organized functions into libraries.  On cygwin, both
-dnl libc.a and libm.a are symbolic links to a single lib libcygwin.a.  This
-dnl means that
-dnl   1) linking with -lm is not necessary, and
-dnl   2) linking with -lm is dangerous if the order of libraries is wrong
-dnl In particular, if you compile any program with -mno-cygwin and link with
-dnl -lm, it will crash instantly when it is run.  This happens because the
-dnl linker incorrectly links the Cygwin libm.a (==libcygwin.a), which replaces
-dnl the ___main function instead of allowing it to be defined by
-dnl /usr/lib/mingw/libmingw32.a as it should be.
-dnl
-dnl On MacOS X, this test will find that -lm is unnecessary and leave it out.
-dnl
-dnl Just check a few floating point functions. If they are all found without
-dnl -lm, then we must not need -lm.
-have_cos=0
-have_floor=0
-AC_CHECK_FUNCS(cos, have_cos=1)
-AC_CHECK_FUNCS(floor, have_floor=1)
-AC_MSG_CHECKING(if floating point functions link without -lm)
-if test "$have_cos" = 1 -a "$have_floor" = 1; then
-    AC_MSG_RESULT(yes)
-else
-    AC_MSG_RESULT(no)
-    LIBS="$LIBS -lm"
-    # use different functions to avoid configure caching
-    have_sin=0
-    have_ceil=0
-    AC_CHECK_FUNCS(sin, have_sin=1)
-    AC_CHECK_FUNCS(ceil, have_ceil=1)
-    AC_MSG_CHECKING(if floating point functions link with -lm)
-    if test "$have_sin" = 1 -a "$have_ceil" = 1; then
-        AC_MSG_RESULT(yes)
-    else
-        AC_MSG_RESULT(no)
-        # not sure we should warn the user, crash, etc.
-    fi
-fi
-
 if test "$wxUSE_GUI" = "yes"; then
 
     dnl TODO add checks that these samples will really compile (i.e. all the
@@ -7091,7 +7063,7 @@ EXTRALIBS_XML="$EXPAT_LINK"
 EXTRALIBS_HTML="$MSPACK_LINK"
 EXTRALIBS_ODBC="$ODBC_LINK"
 if test "$wxUSE_GUI" = "yes"; then
-    EXTRALIBS_GUI=`echo $GUI_TK_LIBRARY $PNG_LINK $JPEG_LINK $TIFF_LINK $WEBKIT_LINK $EXTRALIBS_HILDON $EXTRALIBS_GNOMEPRINT`
+    EXTRALIBS_GUI=`echo $GUI_TK_LIBRARY $PNG_LINK $JPEG_LINK $TIFF_LINK $WEBKIT_LINK $EXTRALIBS_HILDON $EXTRALIBS_GNOMEVFS $EXTRALIBS_GNOMEPRINT`
 fi
 if test "$wxUSE_OPENGL" = "yes"; then
     EXTRALIBS_OPENGL="$LDFLAGS_GL $OPENGL_LIBS"
@@ -7191,6 +7163,7 @@ AC_SUBST(EXTRALIBS_OPENGL)
 AC_SUBST(EXTRALIBS_SDL)
 AC_SUBST(WITH_PLUGIN_SDL)
 AC_SUBST(EXTRALIBS_GNOMEPRINT)
+AC_SUBST(EXTRALIBS_GNOMEVFS)
 AC_SUBST(EXTRALIBS_HILDON)
 AC_SUBST(UNICODE)
 AC_SUBST(BUILD)
@@ -7536,6 +7509,7 @@ echo "                                       expat              ${wxUSE_EXPAT}"
 echo "                                       libmspack          ${wxUSE_LIBMSPACK}"
 echo "                                       sdl                ${wxUSE_LIBSDL}"
 echo "                                       gnomeprint         ${wxUSE_LIBGNOMEPRINT-none}"
+echo "                                       gnomevfs           ${wxUSE_LIBGNOMEVFS-none}"
 echo "                                       hildon             ${wxUSE_LIBHILDON-none}"
 
 echo ""