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Added wxStandardPaths::GetExecutablePath
[wxWidgets.git] / configure.in
diff --git a/configure.in b/configure.in
index e4116eff06a77de4697ffb4bcc22bf0827060702..c77622c3e710c9e290cf0e9767744343c3bfefb0 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -17,7 +17,7 @@ dnl ---------------------------------------------------------------------------
 dnl initialization
 dnl ---------------------------------------------------------------------------
 
 dnl initialization
 dnl ---------------------------------------------------------------------------
 
-AC_INIT([wxWidgets], [2.7.1], [wx-dev@lists.wxwidgets.org])
+AC_INIT([wxWidgets], [2.8.0], [wx-dev@lists.wxwidgets.org])
 
 dnl the file passed to AC_CONFIG_SRCDIR should be specific to our package
 AC_CONFIG_SRCDIR([wx-config.in])
 
 dnl the file passed to AC_CONFIG_SRCDIR should be specific to our package
 AC_CONFIG_SRCDIR([wx-config.in])
@@ -33,9 +33,9 @@ dnl
 dnl wx_release_number += 1
 
 wx_major_version_number=2
 dnl wx_release_number += 1
 
 wx_major_version_number=2
-wx_minor_version_number=7
-wx_release_number=1
-wx_subrelease_number=3
+wx_minor_version_number=8
+wx_release_number=0
+wx_subrelease_number=0
 
 WX_RELEASE=$wx_major_version_number.$wx_minor_version_number
 WX_VERSION=$WX_RELEASE.$wx_release_number
 
 WX_RELEASE=$wx_major_version_number.$wx_minor_version_number
 WX_VERSION=$WX_RELEASE.$wx_release_number
@@ -44,6 +44,11 @@ WX_SUBVERSION=$WX_VERSION.$wx_subrelease_number
 WX_MSW_VERSION=$wx_major_version_number$wx_minor_version_number$wx_release_number
 
 
 WX_MSW_VERSION=$wx_major_version_number$wx_minor_version_number$wx_release_number
 
 
+dnl Autoconf-2.60 changed the meaning of top_builddir variable, so we have
+dnl to use our own replacement that will work with both 2.5x and 2.60+:
+wx_top_builddir="`pwd`"
+AC_SUBST(wx_top_builddir)
+
 
 dnl ------------------------------------------------------------------------
 dnl Check platform (host system)
 
 dnl ------------------------------------------------------------------------
 dnl Check platform (host system)
@@ -508,7 +513,6 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_ARCHIVE_STREAMS=no
   DEFAULT_wxUSE_ZIPSTREAM=no
   DEFAULT_wxUSE_TARSTREAM=no
   DEFAULT_wxUSE_ARCHIVE_STREAMS=no
   DEFAULT_wxUSE_ZIPSTREAM=no
   DEFAULT_wxUSE_TARSTREAM=no
-  DEFAULT_wxUSE_BACKINGFILE=no
   DEFAULT_wxUSE_VALIDATORS=no
 
   DEFAULT_wxUSE_ACCEL=no
   DEFAULT_wxUSE_VALIDATORS=no
 
   DEFAULT_wxUSE_ACCEL=no
@@ -522,6 +526,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_CHECKLST=no
   DEFAULT_wxUSE_CHOICE=no
   DEFAULT_wxUSE_CHOICEBOOK=no
   DEFAULT_wxUSE_CHECKLST=no
   DEFAULT_wxUSE_CHOICE=no
   DEFAULT_wxUSE_CHOICEBOOK=no
+  DEFAULT_wxUSE_COLLPANE=no
   DEFAULT_wxUSE_COLOURPICKERCTRL=no
   DEFAULT_wxUSE_COMBOBOX=no
   DEFAULT_wxUSE_COMBOCTRL=no
   DEFAULT_wxUSE_COLOURPICKERCTRL=no
   DEFAULT_wxUSE_COMBOBOX=no
   DEFAULT_wxUSE_COMBOCTRL=no
@@ -574,6 +579,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_IMAGE=no
   DEFAULT_wxUSE_GIF=no
   DEFAULT_wxUSE_PCX=no
   DEFAULT_wxUSE_IMAGE=no
   DEFAULT_wxUSE_GIF=no
   DEFAULT_wxUSE_PCX=no
+  DEFAULT_wxUSE_TGA=no
   DEFAULT_wxUSE_PNM=no
   DEFAULT_wxUSE_IFF=no
   DEFAULT_wxUSE_XPM=no
   DEFAULT_wxUSE_PNM=no
   DEFAULT_wxUSE_IFF=no
   DEFAULT_wxUSE_XPM=no
@@ -729,7 +735,6 @@ else
   DEFAULT_wxUSE_ARCHIVE_STREAMS=yes
   DEFAULT_wxUSE_ZIPSTREAM=yes
   DEFAULT_wxUSE_TARSTREAM=yes
   DEFAULT_wxUSE_ARCHIVE_STREAMS=yes
   DEFAULT_wxUSE_ZIPSTREAM=yes
   DEFAULT_wxUSE_TARSTREAM=yes
-  DEFAULT_wxUSE_BACKINGFILE=yes
   DEFAULT_wxUSE_VALIDATORS=yes
 
   DEFAULT_wxUSE_ACCEL=yes
   DEFAULT_wxUSE_VALIDATORS=yes
 
   DEFAULT_wxUSE_ACCEL=yes
@@ -743,6 +748,7 @@ else
   DEFAULT_wxUSE_CHECKLST=yes
   DEFAULT_wxUSE_CHOICE=yes
   DEFAULT_wxUSE_CHOICEBOOK=yes
   DEFAULT_wxUSE_CHECKLST=yes
   DEFAULT_wxUSE_CHOICE=yes
   DEFAULT_wxUSE_CHOICEBOOK=yes
+  DEFAULT_wxUSE_COLLPANE=yes
   DEFAULT_wxUSE_COLOURPICKERCTRL=yes
   DEFAULT_wxUSE_COMBOBOX=yes
   DEFAULT_wxUSE_COMBOCTRL=yes
   DEFAULT_wxUSE_COLOURPICKERCTRL=yes
   DEFAULT_wxUSE_COMBOBOX=yes
   DEFAULT_wxUSE_COMBOCTRL=yes
@@ -795,7 +801,8 @@ else
   DEFAULT_wxUSE_IMAGE=yes
   DEFAULT_wxUSE_GIF=yes
   DEFAULT_wxUSE_PCX=yes
   DEFAULT_wxUSE_IMAGE=yes
   DEFAULT_wxUSE_GIF=yes
   DEFAULT_wxUSE_PCX=yes
-  DEFAULT_wxUSE_IFF=no
+  DEFAULT_wxUSE_TGA=yes
+  DEFAULT_wxUSE_IFF=no  dnl why is this set to "no"?
   DEFAULT_wxUSE_PNM=yes
   DEFAULT_wxUSE_XPM=yes
   DEFAULT_wxUSE_ICO_CUR=yes
   DEFAULT_wxUSE_PNM=yes
   DEFAULT_wxUSE_XPM=yes
   DEFAULT_wxUSE_ICO_CUR=yes
@@ -951,7 +958,6 @@ WX_ARG_ENABLE(ipc,           [  --enable-ipc            use interprocess communi
 dnl please keep the settings below in alphabetical order
 WX_ARG_ENABLE(apple_ieee,    [  --enable-apple_ieee     use the Apple IEEE codec], wxUSE_APPLE_IEEE)
 WX_ARG_ENABLE(arcstream,     [  --enable-arcstream      use wxArchive streams], wxUSE_ARCHIVE_STREAMS)
 dnl please keep the settings below in alphabetical order
 WX_ARG_ENABLE(apple_ieee,    [  --enable-apple_ieee     use the Apple IEEE codec], wxUSE_APPLE_IEEE)
 WX_ARG_ENABLE(arcstream,     [  --enable-arcstream      use wxArchive streams], wxUSE_ARCHIVE_STREAMS)
-WX_ARG_ENABLE(backingfile,   [  --enable-backingfile    use wxBackingFile], wxUSE_BACKINGFILE)
 WX_ARG_ENABLE(backtrace,     [  --enable-backtrace      use wxStackWalker class for getting backtraces], wxUSE_STACKWALKER)
 WX_ARG_ENABLE(catch_segvs,   [  --enable-catch_segvs    catch signals in wxApp::OnFatalException (Unix only)], wxUSE_ON_FATAL_EXCEPTION)
 WX_ARG_ENABLE(cmdline,       [  --enable-cmdline        use wxCmdLineParser class], wxUSE_CMDLINE_PARSER)
 WX_ARG_ENABLE(backtrace,     [  --enable-backtrace      use wxStackWalker class for getting backtraces], wxUSE_STACKWALKER)
 WX_ARG_ENABLE(catch_segvs,   [  --enable-catch_segvs    catch signals in wxApp::OnFatalException (Unix only)], wxUSE_ON_FATAL_EXCEPTION)
 WX_ARG_ENABLE(cmdline,       [  --enable-cmdline        use wxCmdLineParser class], wxUSE_CMDLINE_PARSER)
@@ -967,7 +973,7 @@ WX_ARG_ENABLE(filesystem,    [  --enable-filesystem     use virtual file systems
 WX_ARG_ENABLE(fontmap,       [  --enable-fontmap        use font encodings conversion classes], wxUSE_FONTMAP)
 WX_ARG_ENABLE(fs_archive,    [  --enable-fs_archive     use virtual archive filesystems], wxUSE_FS_ARCHIVE)
 WX_ARG_ENABLE(fs_inet,       [  --enable-fs_inet        use virtual HTTP/FTP filesystems], wxUSE_FS_INET)
 WX_ARG_ENABLE(fontmap,       [  --enable-fontmap        use font encodings conversion classes], wxUSE_FONTMAP)
 WX_ARG_ENABLE(fs_archive,    [  --enable-fs_archive     use virtual archive filesystems], wxUSE_FS_ARCHIVE)
 WX_ARG_ENABLE(fs_inet,       [  --enable-fs_inet        use virtual HTTP/FTP filesystems], wxUSE_FS_INET)
-WX_ARG_ENABLE(fs_zip,        [  --enable-fs_zip         use virtual ZIP filesystems], wxUSE_FS_ZIP)
+WX_ARG_ENABLE(fs_zip,        [  --enable-fs_zip         now replaced by fs_archive], wxUSE_FS_ZIP)
 WX_ARG_ENABLE(geometry,      [  --enable-geometry       use geometry class], wxUSE_GEOMETRY)
 WX_ARG_ENABLE(log,           [  --enable-log            use logging system], wxUSE_LOG)
 WX_ARG_ENABLE(longlong,      [  --enable-longlong       use wxLongLong class], wxUSE_LONGLONG)
 WX_ARG_ENABLE(geometry,      [  --enable-geometry       use geometry class], wxUSE_GEOMETRY)
 WX_ARG_ENABLE(log,           [  --enable-log            use logging system], wxUSE_LOG)
 WX_ARG_ENABLE(longlong,      [  --enable-longlong       use wxLongLong class], wxUSE_LONGLONG)
@@ -1026,7 +1032,7 @@ WX_ARG_ENABLE(loggui,      [  --enable-loggui         use standard GUI logger],
 WX_ARG_ENABLE(logwin,      [  --enable-logwin         use wxLogWindow], wxUSE_LOGWINDOW)
 WX_ARG_ENABLE(logdialog,   [  --enable-logdialog      use wxLogDialog], wxUSE_LOGDIALOG)
 WX_ARG_ENABLE(webkit,      [  --enable-webkit         use wxWebKitCtrl (Mac)], wxUSE_WEBKIT)
 WX_ARG_ENABLE(logwin,      [  --enable-logwin         use wxLogWindow], wxUSE_LOGWINDOW)
 WX_ARG_ENABLE(logdialog,   [  --enable-logdialog      use wxLogDialog], wxUSE_LOGDIALOG)
 WX_ARG_ENABLE(webkit,      [  --enable-webkit         use wxWebKitCtrl (Mac)], wxUSE_WEBKIT)
-WX_ARG_ENABLE(html,        [  --enable-richtext       use wxRichTextCtrl], wxUSE_RICHTEXT)
+WX_ARG_ENABLE(richtext,    [  --enable-richtext       use wxRichTextCtrl], wxUSE_RICHTEXT)
 WX_ARG_ENABLE(graphics_ctx, [  --enable-graphics_ctx   use graphics context 2D drawing API], wxUSE_GRAPHICS_CONTEXT)
 
 dnl ---------------------------------------------------------------------------
 WX_ARG_ENABLE(graphics_ctx, [  --enable-graphics_ctx   use graphics context 2D drawing API], wxUSE_GRAPHICS_CONTEXT)
 
 dnl ---------------------------------------------------------------------------
@@ -1076,6 +1082,7 @@ if test "$wxUSE_CONTROLS" = "yes"; then
   DEFAULT_wxUSE_CHECKLISTBOX=yes
   DEFAULT_wxUSE_CHOICE=yes
   DEFAULT_wxUSE_CHOICEBOOK=yes
   DEFAULT_wxUSE_CHECKLISTBOX=yes
   DEFAULT_wxUSE_CHOICE=yes
   DEFAULT_wxUSE_CHOICEBOOK=yes
+  DEFAULT_wxUSE_COLLPANE=yes
   DEFAULT_wxUSE_COLOURPICKERCTRL=yes
   DEFAULT_wxUSE_COMBOBOX=yes
   DEFAULT_wxUSE_DATEPICKCTRL=yes
   DEFAULT_wxUSE_COLOURPICKERCTRL=yes
   DEFAULT_wxUSE_COMBOBOX=yes
   DEFAULT_wxUSE_DATEPICKCTRL=yes
@@ -1122,6 +1129,7 @@ elif test "$wxUSE_CONTROLS" = "no"; then
   DEFAULT_wxUSE_BUTTON=no
   DEFAULT_wxUSE_CALCTRL=no
   DEFAULT_wxUSE_CARET=no
   DEFAULT_wxUSE_BUTTON=no
   DEFAULT_wxUSE_CALCTRL=no
   DEFAULT_wxUSE_CARET=no
+  DEFAULT_wxUSE_COLLPANE=no
   DEFAULT_wxUSE_COMBOBOX=no
   DEFAULT_wxUSE_CHECKBOX=no
   DEFAULT_wxUSE_CHECKLISTBOX=no
   DEFAULT_wxUSE_COMBOBOX=no
   DEFAULT_wxUSE_CHECKBOX=no
   DEFAULT_wxUSE_CHECKLISTBOX=no
@@ -1179,6 +1187,7 @@ WX_ARG_ENABLE(checkbox,    [  --enable-checkbox       use wxCheckBox class], wxU
 WX_ARG_ENABLE(checklst,    [  --enable-checklst       use wxCheckListBox (listbox with checkboxes) class], wxUSE_CHECKLST)
 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(checklst,    [  --enable-checklst       use wxCheckListBox (listbox with checkboxes) class], wxUSE_CHECKLST)
 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(collpane,    [  --enable-collpane       use wxCollapsiblePane class], wxUSE_COLLPANE)
 WX_ARG_ENABLE(colourpicker,[  --enable-colourpicker   use wxColourPickerCtrl class], wxUSE_COLOURPICKERCTRL)
 WX_ARG_ENABLE(combobox,    [  --enable-combobox       use wxComboBox class], wxUSE_COMBOBOX)
 WX_ARG_ENABLE(comboctrl,   [  --enable-comboctrl      use wxComboCtrl class], wxUSE_COMBOCTRL)
 WX_ARG_ENABLE(colourpicker,[  --enable-colourpicker   use wxColourPickerCtrl class], wxUSE_COLOURPICKERCTRL)
 WX_ARG_ENABLE(combobox,    [  --enable-combobox       use wxComboBox class], wxUSE_COMBOBOX)
 WX_ARG_ENABLE(comboctrl,   [  --enable-comboctrl      use wxComboCtrl class], wxUSE_COMBOCTRL)
@@ -1270,6 +1279,7 @@ WX_ARG_ENABLE(palette,     [  --enable-palette        use wxPalette class], wxUS
 WX_ARG_ENABLE(image,       [  --enable-image          use wxImage class], wxUSE_IMAGE)
 WX_ARG_ENABLE(gif,         [  --enable-gif            use gif images (GIF file format)], wxUSE_GIF)
 WX_ARG_ENABLE(pcx,         [  --enable-pcx            use pcx images (PCX file format)], wxUSE_PCX)
 WX_ARG_ENABLE(image,       [  --enable-image          use wxImage class], wxUSE_IMAGE)
 WX_ARG_ENABLE(gif,         [  --enable-gif            use gif images (GIF file format)], wxUSE_GIF)
 WX_ARG_ENABLE(pcx,         [  --enable-pcx            use pcx images (PCX file format)], wxUSE_PCX)
+WX_ARG_ENABLE(tga,         [  --enable-tga            use tga images (TGA file format)], wxUSE_TGA)
 WX_ARG_ENABLE(iff,         [  --enable-iff            use iff images (IFF file format)], wxUSE_IFF)
 WX_ARG_ENABLE(pnm,         [  --enable-pnm            use pnm images (PNM file format)], wxUSE_PNM)
 WX_ARG_ENABLE(xpm,         [  --enable-xpm            use xpm images (XPM file format)], wxUSE_XPM)
 WX_ARG_ENABLE(iff,         [  --enable-iff            use iff images (IFF file format)], wxUSE_IFF)
 WX_ARG_ENABLE(pnm,         [  --enable-pnm            use pnm images (PNM file format)], wxUSE_PNM)
 WX_ARG_ENABLE(xpm,         [  --enable-xpm            use xpm images (XPM file format)], wxUSE_XPM)
@@ -1411,61 +1421,6 @@ else
     fi
 fi
 
     fi
 fi
 
-dnl ---------------------------------------------------------------------------
-dnl When we are using Cygwin with Motif/GTK+, we want it to appear like
-dnl 'just' a POSIX platform, so the Win32 API must not be available
-dnl ---------------------------------------------------------------------------
-dnl (Windows-only piece)
-wants_win32=0
-doesnt_want_win32=0
-case "${host}" in
-  *-*-cygwin*)
-      if test "$wxUSE_MSW" = 1 ; then
-        wants_win32=1
-        BAKEFILE_FORCE_PLATFORM=win32
-      else
-        doesnt_want_win32=1
-      fi
-  ;;
-  *-*-mingw*)
-      wants_win32=1
-  ;;
-esac
-
-dnl ---------------------------------------------------------------------------
-dnl Wine is a virtual platform, we need to patch things up a bit
-dnl ---------------------------------------------------------------------------
-if test "$wxUSE_WINE" = "yes"; then
-    wants_win32=1
-    dnl FIXME: we should do a better job of testing for these
-    CC=winegcc
-    CXX=wineg++
-    LDFLAGS_GUI="-mwindows"
-fi
-
-dnl NB: The two tests bellow are *NOT* mutually exclusive! They should only
-dnl     take effect on Cygwin/Mingw and not other platforms.
-if test "$wants_win32" = 1 ; then
-    USE_UNIX=0
-    USE_WIN32=1
-    AC_DEFINE(__WIN32__)
-    AC_DEFINE(__WIN95__)
-    AC_DEFINE(__WINDOWS__)
-    AC_DEFINE(__GNUWIN32__)
-    AC_DEFINE(STRICT)
-    AC_DEFINE(WINVER, 0x0400)
-fi
-if test "$doesnt_want_win32" = 1 ; then
-    USE_UNIX=1
-    USE_WIN32=0
-fi
-dnl (end of Windows-only piece)
-
-if test "$USE_UNIX" = 1 ; then
-    wxUSE_UNIX=yes
-    AC_DEFINE(__UNIX__)
-fi
-
 dnl ---------------------------------------------------------------------------
 dnl Checks for programs
 dnl ---------------------------------------------------------------------------
 dnl ---------------------------------------------------------------------------
 dnl Checks for programs
 dnl ---------------------------------------------------------------------------
@@ -1489,12 +1444,6 @@ dnl is -traditional needed for correct compilations
 dnl   adds -traditional for gcc if needed
 AC_PROG_GCC_TRADITIONAL
 
 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
 dnl   defines CXX with the compiler to use
 dnl   defines GXX with yes if using gxx
 dnl C++-compiler checks
 dnl   defines CXX with the compiler to use
 dnl   defines GXX with yes if using gxx
@@ -1678,6 +1627,77 @@ case "${host}" in
   ;;
 esac
 
   ;;
 esac
 
+dnl Determine whether we want to use Cygwin as Windows or POSIX platform: the
+dnl latter makes more sense for wxGTK/Motif/X11 ports
+wants_win32=0
+doesnt_want_win32=0
+case "${host}" in
+  *-*-cygwin*)
+      if test "$wxUSE_MSW" = 1 ; then
+        wants_win32=1
+      else
+        dnl when we use cygwin compiler with -mno-cygwin option it uses mingw32
+        dnl headers and libraries, so it's Windows-like in this case
+        AC_CACHE_CHECK([if -mno-cygwin is in effect], wx_cv_nocygwin,
+            [
+                AC_TRY_COMPILE(
+                    [],
+                    [
+                        #ifdef __MINGW32__
+                            choke me
+                        #endif
+                    ],
+                    wx_cv_nocygwin=no,
+                    wx_cv_nocygwin=yes
+                )
+            ]
+        )
+
+        if test "$wx_cv_nocygwin" = "yes"; then
+            wants_win32=1
+        else
+            doesnt_want_win32=1
+        fi
+      fi
+      if test "$wants_win32" = 1 ; then
+        BAKEFILE_FORCE_PLATFORM=win32
+      fi
+  ;;
+  *-*-mingw*)
+      wants_win32=1
+  ;;
+esac
+
+if test "$wxUSE_WINE" = "yes"; then
+    wants_win32=1
+    dnl FIXME: we should do a better job of testing for these
+    CC=winegcc
+    CXX=wineg++
+    LDFLAGS_GUI="-mwindows"
+fi
+
+dnl NB: The two tests bellow are *NOT* mutually exclusive! They should only
+dnl     take effect on Cygwin/Mingw and not other platforms.
+if test "$wants_win32" = 1 ; then
+    USE_UNIX=0
+    USE_WIN32=1
+    AC_DEFINE(__WIN32__)
+    AC_DEFINE(__WIN95__)
+    AC_DEFINE(__WINDOWS__)
+    AC_DEFINE(__GNUWIN32__)
+    AC_DEFINE(STRICT)
+fi
+if test "$doesnt_want_win32" = 1 ; then
+    USE_UNIX=1
+    USE_WIN32=0
+fi
+dnl (end of Windows-only piece)
+
+if test "$USE_UNIX" = 1 ; then
+    wxUSE_UNIX=yes
+    AC_DEFINE(__UNIX__)
+fi
+
 dnl This case is for OS/2 vs. everything else
 case "${host}" in
   *-pc-os2_emx | *-pc-os2-emx )
 dnl This case is for OS/2 vs. everything else
 case "${host}" in
   *-pc-os2_emx | *-pc-os2-emx )
@@ -1689,7 +1709,6 @@ case "${host}" in
       dnl not "g++/c++".
       dnl ---------------------------------------------------------------------
       dnl (OS/2-only piece)
       dnl not "g++/c++".
       dnl ---------------------------------------------------------------------
       dnl (OS/2-only piece)
-      AC_LANG_PUSH(C)
       if test "$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).
       if test "$wxUSE_MOTIF" = 1 -o "$wxUSE_GTK" = 1 -o "$wxUSE_X11" = 1; then
           dnl More complete Unix emulation for unix-like ports
           dnl by linking in POSIX/2's cExt (if available).
@@ -1733,7 +1752,6 @@ case "${host}" in
               wx_cv_gccversion="EMX2"
           )
       ])
               wx_cv_gccversion="EMX2"
           )
       ])
-      AC_LANG_POP
       if test "$wx_cv_gccversion" = "EMX2"; then
           LIBS="$LIBS -lstdcpp"
           LDFLAGS="$LDFLAGS -Zsysv-signals"
       if test "$wx_cv_gccversion" = "EMX2"; then
           LIBS="$LIBS -lstdcpp"
           LDFLAGS="$LDFLAGS -Zsysv-signals"
@@ -1802,27 +1820,13 @@ dnl ------------------------------------------------------------------------
 dnl Check for headers
 dnl ------------------------------------------------------------------------
 
 dnl Check for headers
 dnl ------------------------------------------------------------------------
 
-dnl defines HAVE_STDLIB_H
-AC_CHECK_HEADERS(stdlib.h)
-dnl defines HAVE_MALLOC_H
-AC_CHECK_HEADERS(malloc.h)
-dnl defines HAVE_UNISTD_H
-AC_CHECK_HEADERS(unistd.h)
-dnl defines HAVE_WCHAR_H
-AC_CHECK_HEADERS(wchar.h)
+AC_CHECK_HEADERS(stdlib.h fnmatch.h langinfo.h malloc.h unistd.h wchar.h)
 
 dnl maybe wchar_t is in wcstr.h if we don't have wchar.h?
 if test "$ac_cv_header_wchar_h" != "yes"; then
 
 dnl maybe wchar_t is in wcstr.h if we don't have wchar.h?
 if test "$ac_cv_header_wchar_h" != "yes"; then
-    dnl defines HAVE_WCSTR_H
     AC_CHECK_HEADERS(wcstr.h)
 fi
 
     AC_CHECK_HEADERS(wcstr.h)
 fi
 
-dnl defines HAVE_FNMATCH_H
-AC_CHECK_HEADERS(fnmatch.h)
-
-dnl defines HAVE_LANGINFO_H (GNU libc locale parameters)
-AC_CHECK_HEADERS(langinfo.h)
-
 case "${host}" in
   *-pc-os2_emx | *-pc-os2-emx )
       dnl Explicitly link -lintl if langinfo.h is available
 case "${host}" in
   *-pc-os2_emx | *-pc-os2-emx )
       dnl Explicitly link -lintl if langinfo.h is available
@@ -1970,6 +1974,9 @@ AC_CACHE_CHECK(
     [whether the compiler supports variadic macros],
     [wx_cv_have_variadic_macros],
     [
     [whether the compiler supports variadic macros],
     [wx_cv_have_variadic_macros],
     [
+        dnl C compiler might support variadic macros when C++ one doesn't
+        dnl (happens with gcc/g++ 2.95.4), so must use C++ one explicitly
+        AC_LANG_PUSH(C++)
         AC_COMPILE_IFELSE(
             AC_LANG_PROGRAM(
                 [
         AC_COMPILE_IFELSE(
             AC_LANG_PROGRAM(
                 [
@@ -1983,6 +1990,7 @@ AC_CACHE_CHECK(
             [wx_cv_have_variadic_macros=yes],
             [wx_cv_have_variadic_macros=no]
             )
             [wx_cv_have_variadic_macros=yes],
             [wx_cv_have_variadic_macros=no]
             )
+        AC_LANG_POP()
     ]
 )
 
     ]
 )
 
@@ -2013,6 +2021,7 @@ if test "x$wx_largefile" = "xyes"; then
                 [if -D__STDC_EXT__ is required],
                 wx_cv_STDC_EXT_required,
                 [
                 [if -D__STDC_EXT__ is required],
                 wx_cv_STDC_EXT_required,
                 [
+                    AC_LANG_PUSH(C++)
                     AC_TRY_COMPILE(
                         [],
                         [
                     AC_TRY_COMPILE(
                         [],
                         [
@@ -2023,6 +2032,7 @@ if test "x$wx_largefile" = "xyes"; then
                         wx_cv_STDC_EXT_required=no,
                         wx_cv_STDC_EXT_required=yes
                     )
                         wx_cv_STDC_EXT_required=no,
                         wx_cv_STDC_EXT_required=yes
                     )
+                    AC_LANG_POP()
                 ]
             )
             if test "x$wx_cv_STDC_EXT_required" = "xyes"; then
                 ]
             )
             if test "x$wx_cv_STDC_EXT_required" = "xyes"; then
@@ -2112,6 +2122,10 @@ if test "x$COMPAQCXX" = "xyes"; then
     CXXFLAGS="-w0 -msg_disable basclsnondto,unrimpret,intconlosbit"
 fi
 
     CXXFLAGS="-w0 -msg_disable basclsnondto,unrimpret,intconlosbit"
 fi
 
+dnl the next few tests are all for C++ features and so need to be done using
+dnl C++ compiler
+AC_LANG_PUSH(C++)
+
 dnl check for std::string or std::wstring
 if test "$wxUSE_STD_STRING" = "yes" -o "$wxUSE_STL" = "yes"; then
     if test "$wxUSE_UNICODE" = "yes"; then
 dnl check for std::string or std::wstring
 if test "$wxUSE_STD_STRING" = "yes" -o "$wxUSE_STL" = "yes"; then
     if test "$wxUSE_UNICODE" = "yes"; then
@@ -2122,42 +2136,60 @@ if test "$wxUSE_STD_STRING" = "yes" -o "$wxUSE_STL" = "yes"; then
         char_type="char"
     fi
 
         char_type="char"
     fi
 
-    dnl check if <string> declares std::wstring
-    AC_MSG_CHECKING([for $std_string in <string>])
-    AC_TRY_COMPILE([#include <string>],
-                   [$std_string foo;],
-                   [AC_MSG_RESULT(yes)
-                    AC_DEFINE(HAVE_STD_WSTRING)],
-                   [AC_MSG_RESULT(no)
-                    AC_MSG_CHECKING([if std::basic_string<$char_type> works])
-                    AC_TRY_COMPILE([
-                        #ifdef HAVE_WCHAR_H
-                        #  ifdef __CYGWIN__
-                        #    include <stddef.h>
-                        #  endif
-                        #  include <wchar.h>
-                        #endif
-                        #ifdef HAVE_STDLIB_H
-                        #  include <stdlib.h>
-                        #endif
-                        #include <stdio.h>
-                        #include <string>
-                        ],
-                        [std::basic_string<$char_type> foo;
-                         const $char_type* dummy = foo.c_str();],
-                        [AC_MSG_RESULT(yes)],
-                        [AC_MSG_RESULT([no])
-                         if test "$wxUSE_STL" = "yes"; then
-                             AC_MSG_ERROR([Can't use --enable-stl without $std_string or std::basic_string<$char_type>])
-                         elif grep wxUSE_STD_STRING $wx_arg_cache_file >/dev/null; then
-                             AC_MSG_ERROR([Can't use --enable-std_string without $std_string or std::basic_string<$char_type>])
-                         else
-                             AC_MSG_WARN([No $std_string or std::basic_string<$char_type>, switching to --disable-std_string])
-                             wxUSE_STD_STRING=no
-                         fi
-                        ]
-                    )
-                    ])
+    dnl check if <string> declares std::[w]string
+    AC_CACHE_CHECK([for $std_string in <string>],
+        wx_cv_class_stdstring,
+        [
+            AC_TRY_COMPILE([#include <string>],
+                [$std_string foo;],
+                wx_cv_class_stdstring=yes,
+                wx_cv_class_stdstring=no
+            )
+        ]
+    )
+
+    if test "$wx_cv_class_stdstring" = yes; then
+        if test "$wxUSE_UNICODE" = "yes"; then
+            AC_DEFINE(HAVE_STD_WSTRING)
+        fi
+        dnl we don't need HAVE_STD_STRING, we just suppose it's available if
+        dnl wxUSE_STD_STRING==yes
+    else
+        AC_CACHE_CHECK([if std::basic_string<$char_type> works],
+            wx_cv_class_stdbasicstring,
+            [
+                AC_TRY_COMPILE([
+                    #ifdef HAVE_WCHAR_H
+                    #  ifdef __CYGWIN__
+                    #    include <stddef.h>
+                    #  endif
+                    #  include <wchar.h>
+                    #endif
+                    #ifdef HAVE_STDLIB_H
+                    #  include <stdlib.h>
+                    #endif
+                    #include <stdio.h>
+                    #include <string>
+                    ],
+                    [std::basic_string<$char_type> foo;
+                     const $char_type* dummy = foo.c_str();],
+                    wx_cv_class_stdbasicstring=yes,
+                    wx_cv_class_stdbasicstring=no
+                )
+            ]
+        )
+
+        if test "$wx_cv_class_stdbasicstring" != yes; then
+            if test "$wxUSE_STL" = "yes"; then
+                AC_MSG_ERROR([Can't use --enable-stl without $std_string or std::basic_string<$char_type>])
+            elif grep wxUSE_STD_STRING $wx_arg_cache_file >/dev/null; then
+                AC_MSG_ERROR([Can't use --enable-std_string without $std_string or std::basic_string<$char_type>])
+            else
+                AC_MSG_WARN([No $std_string or std::basic_string<$char_type>, switching to --disable-std_string])
+                wxUSE_STD_STRING=no
+            fi
+        fi
+    fi
 fi
 
 if test "$wxUSE_STD_IOSTREAM" = "yes"; then
 fi
 
 if test "$wxUSE_STD_IOSTREAM" = "yes"; then
@@ -2176,61 +2208,88 @@ fi
 
 if test "$wxUSE_STL" = "yes"; then
     dnl check for basic STL functionality
 
 if test "$wxUSE_STL" = "yes"; then
     dnl check for basic STL functionality
-    AC_MSG_CHECKING([for basic STL functionality])
-    AC_TRY_COMPILE([#include <string>
-                    #include <functional>
-                    #include <algorithm>
-                    #include <vector>
-                    #include <list>],
-                    [std::vector<int> moo;
-                     std::list<int> foo;
-                     std::vector<int>::iterator it =
-                         std::find_if(moo.begin(), moo.end(),
-                                      std::bind2nd(std::less<int>(), 3));],
-                    [AC_MSG_RESULT([yes])],
-                    [AC_MSG_RESULT([no])
-                     AC_MSG_ERROR([Basic STL functionality missing])])
+    AC_CACHE_CHECK([for basic STL functionality],
+        wx_cv_lib_stl,
+        [AC_TRY_COMPILE([#include <string>
+            #include <functional>
+            #include <algorithm>
+            #include <vector>
+            #include <list>],
+            [std::vector<int> moo;
+             std::list<int> foo;
+             std::vector<int>::iterator it =
+                 std::find_if(moo.begin(), moo.end(),
+                              std::bind2nd(std::less<int>(), 3));],
+            wx_cv_lib_stl=yes,
+            wx_cv_lib_stl=no
+        )]
+    )
+
+    if test "$wx_cv_lib_stl" != yes; then
+         AC_MSG_ERROR([Can't use --enable-stl as basic STL functionality is missing])
+    fi
 
     dnl check for compliant std::string::compare
 
     dnl check for compliant std::string::compare
-    AC_MSG_CHECKING([for compliant std::string::compare])
-    AC_TRY_COMPILE([#include <string>],
-                   [std::string foo, bar;
-                    foo.compare(bar);
-                    foo.compare(1, 1, bar);
-                    foo.compare(1, 1, bar, 1, 1);
-                    foo.compare("");
-                    foo.compare(1, 1, "");
-                    foo.compare(1, 1, "", 2);],
-                   [AC_MSG_RESULT(yes)
-                    AC_DEFINE(HAVE_STD_STRING_COMPARE)],
-                   [AC_MSG_RESULT(no)])
+    AC_CACHE_CHECK([for compliant std::string::compare],
+        wx_cv_func_stdstring_compare,
+        [AC_TRY_COMPILE([#include <string>],
+            [std::string foo, bar;
+            foo.compare(bar);
+            foo.compare(1, 1, bar);
+            foo.compare(1, 1, bar, 1, 1);
+            foo.compare("");
+            foo.compare(1, 1, "");
+            foo.compare(1, 1, "", 2);],
+            wx_cv_func_stdstring_compare=yes,
+            wx_cv_func_stdstring_compare=no
+        )]
+    )
+
+    if test "$wx_cv_func_stdstring_compare" = yes; then
+        AC_DEFINE(HAVE_STD_STRING_COMPARE)
+    fi
 
     dnl check for hash_map and hash_set headers
     AC_CHECK_HEADER([hash_map],
 
     dnl check for hash_map and hash_set headers
     AC_CHECK_HEADER([hash_map],
-                    [AC_MSG_CHECKING([for hash_map and hash_set])
-                     AC_TRY_COMPILE([#include <hash_map>
-                                     #include <hash_set>],
-                                    [std::hash_map<double*, char*, std::hash<double*>, std::equal_to<double*> > test1;
-                                     std::hash_set<char*, std::hash<char*>, std::equal_to<char*> > test2;],
-                                    [AC_MSG_RESULT(yes)
-                                     AC_DEFINE(HAVE_HASH_MAP)
-                                     AC_DEFINE(HAVE_STD_HASH_MAP)],
-                                    [AC_MSG_RESULT(no)])
-                     ])
+        [AC_CACHE_CHECK([for standard hash_map and hash_set],
+            wx_cv_class_stdhashmapset,
+            [AC_TRY_COMPILE([#include <hash_map>
+                #include <hash_set>],
+                [std::hash_map<double*, char*, std::hash<double*>, std::equal_to<double*> > test1;
+                 std::hash_set<char*, std::hash<char*>, std::equal_to<char*> > test2;],
+                wx_cv_class_stdhashmapset=yes,
+                wx_cv_class_stdhashmapset=no)
+            ]
+        )]
+    )
+
+    if test "$wx_cv_class_stdhashmapset" = yes; then
+        AC_DEFINE(HAVE_HASH_MAP)
+        AC_DEFINE(HAVE_STD_HASH_MAP)
+    fi
 
     AC_CHECK_HEADER([ext/hash_map],
 
     AC_CHECK_HEADER([ext/hash_map],
-                    [AC_MSG_CHECKING([for hash_map and hash_set])
-                     AC_TRY_COMPILE([#include <ext/hash_map>
-                                     #include <ext/hash_set>],
-                                    [__gnu_cxx::hash_map<double*, char*, __gnu_cxx::hash<double*>, std::equal_to<double*> > test1;
-                                     __gnu_cxx::hash_set<char*, __gnu_cxx::hash<char*>, std::equal_to<char*> > test2;],
-                                    [AC_MSG_RESULT(yes)
-                                     AC_DEFINE(HAVE_EXT_HASH_MAP)
-                                     AC_DEFINE(HAVE_GNU_CXX_HASH_MAP)],
-                                    [AC_MSG_RESULT(no)])
-                     ])
+        [AC_CACHE_CHECK([for GNU hash_map and hash_set],
+            wx_cv_class_gnuhashmapset,
+            [AC_TRY_COMPILE([#include <ext/hash_map>
+                #include <ext/hash_set>],
+                [__gnu_cxx::hash_map<double*, char*, __gnu_cxx::hash<double*>, std::equal_to<double*> > test1;
+                 __gnu_cxx::hash_set<char*, __gnu_cxx::hash<char*>, std::equal_to<char*> > test2;],
+                wx_cv_class_gnuhashmapset=yes,
+                wx_cv_class_gnuhashmapset=no)
+            ]
+        )]
+    )
+
+    if test "$wx_cv_class_gnuhashmapset" = yes; then
+         AC_DEFINE(HAVE_EXT_HASH_MAP)
+         AC_DEFINE(HAVE_GNU_CXX_HASH_MAP)
+    fi
 fi
 
 fi
 
+dnl pop C++
+AC_LANG_POP()
+
 dnl ---------------------------------------------------------------------------
 dnl Define search path for includes and libraries: all headers and libs will be
 dnl looked for in all directories of this path
 dnl ---------------------------------------------------------------------------
 dnl Define search path for includes and libraries: all headers and libs will be
 dnl looked for in all directories of this path
@@ -2466,6 +2525,14 @@ else
     fi
 fi
 
     fi
 fi
 
+dnl check for C99 string to long long conversion functions, assume that if we
+dnl have the unsigned variants, then we have the signed ones as well
+if test "wxUSE_UNICODE" = "yes"; then
+    WX_CHECK_FUNCS(wcstoull)
+else
+    WX_CHECK_FUNCS(strtoull)
+fi
+
 dnl ---------------------------------------------------------------------------
 dnl Optional libraries
 dnl
 dnl ---------------------------------------------------------------------------
 dnl Optional libraries
 dnl
@@ -2785,10 +2852,12 @@ if test "$wxUSE_EXPAT" != "no"; then
             AC_CACHE_CHECK([if expat.h is valid C++ header],
                 wx_cv_expat_is_not_broken,
                 [
             AC_CACHE_CHECK([if expat.h is valid C++ header],
                 wx_cv_expat_is_not_broken,
                 [
+                AC_LANG_PUSH(C++)
                 AC_TRY_COMPILE([#include <expat.h>],[],
                     wx_cv_expat_is_not_broken=yes,
                     wx_cv_expat_is_not_broken=no
                 )
                 AC_TRY_COMPILE([#include <expat.h>],[],
                     wx_cv_expat_is_not_broken=yes,
                     wx_cv_expat_is_not_broken=no
                 )
+                AC_LANG_POP()
                 ]
             )
             if test "$wx_cv_expat_is_not_broken" = "yes" ; then
                 ]
             )
             if test "$wx_cv_expat_is_not_broken" = "yes" ; then
@@ -2938,8 +3007,6 @@ if test "$wxUSE_GUI" = "yes"; then
 
     if test "$wxUSE_GTK" = 1; then
         dnl GTK+ test program must be compiled with C compiler
 
     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
         AC_MSG_CHECKING([for GTK+ version])
 
         gtk_version_cached=1
@@ -3103,8 +3170,6 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
             AC_CHECK_LIB(gdk, gdk_im_open, AC_DEFINE(HAVE_XIM))
         fi
 
             AC_CHECK_LIB(gdk, gdk_im_open, AC_DEFINE(HAVE_XIM))
         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 "$USE_DARWIN" != 1; then
         dnl we need poll() in src/gtk/app.cpp (we know that Darwin doesn't
         dnl have it but we do the check for the others)
         if test "$USE_DARWIN" != 1; then
@@ -3296,6 +3361,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
 
             PKG_CHECK_MODULES(PANGOX, pangox,
                 [
 
             PKG_CHECK_MODULES(PANGOX, pangox,
                 [
+                    CFLAGS="$PANGOX_CFLAGS $CFLAGS"
                     CXXFLAGS="$PANGOX_CFLAGS $CXXFLAGS"
                     GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOX_LIBS"
                 ],
                     CXXFLAGS="$PANGOX_CFLAGS $CXXFLAGS"
                     GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOX_LIBS"
                 ],
@@ -3305,6 +3371,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
             )
             PKG_CHECK_MODULES(PANGOFT2, pangoft2,
                 [
             )
             PKG_CHECK_MODULES(PANGOFT2, pangoft2,
                 [
+                    CFLAGS="$PANGOFT2_CFLAGS $CFLAGS"
                     CXXFLAGS="$PANGOFT2_CFLAGS $CXXFLAGS"
                     GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOFT2_LIBS"
                 ],
                     CXXFLAGS="$PANGOFT2_CFLAGS $CXXFLAGS"
                     GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOFT2_LIBS"
                 ],
@@ -3316,6 +3383,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
             PKG_CHECK_MODULES(PANGOXFT, pangoxft,
                 [
                     AC_DEFINE(HAVE_PANGO_XFT)
             PKG_CHECK_MODULES(PANGOXFT, pangoxft,
                 [
                     AC_DEFINE(HAVE_PANGO_XFT)
+                    CFLAGS="$PANGOXFT_CFLAGS $CFLAGS"
                     CXXFLAGS="$PANGOXFT_CFLAGS $CXXFLAGS"
                     GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOXFT_LIBS"
                 ],
                     CXXFLAGS="$PANGOXFT_CFLAGS $CXXFLAGS"
                     GUI_TK_LIBRARY="$GUI_TK_LIBRARY $PANGOXFT_LIBS"
                 ],
@@ -3323,12 +3391,9 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                     AC_MSG_WARN([pangoxft library not found, library will be compiled without anti-aliasing support])
                 ]
             )
                     AC_MSG_WARN([pangoxft library not found, library will be compiled without anti-aliasing support])
                 ]
             )
-            save_CXXFLAGS="$CXXFLAGS"
             save_LIBS="$LIBS"
             save_LIBS="$LIBS"
-            CXXFLAGS="$PANGOX_CFLAGS $CXXFLAGS"
             LIBS="$LIBS $PANGOX_LIBS"
             AC_CHECK_FUNCS([pango_font_family_is_monospace])
             LIBS="$LIBS $PANGOX_LIBS"
             AC_CHECK_FUNCS([pango_font_family_is_monospace])
-            CXXFLAGS="$save_CXXFLAGS"
             LIBS="$save_LIBS"
         fi
 
             LIBS="$save_LIBS"
         fi
 
@@ -3358,8 +3423,8 @@ 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$ac_path_to_include"
         else
             WX_INCLUDE_PATH_EXIST($ac_find_includes, $TOOLKIT_INCLUDE)
             TOOLKIT_INCLUDE="$TOOLKIT_INCLUDE$ac_path_to_include"
         else
-            save_CXXFLAGS=$CXXFLAGS
-            CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
+            save_CFLAGS=$CFLAGS
+            CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
 
             AC_TRY_COMPILE(
                 [
 
             AC_TRY_COMPILE(
                 [
@@ -3379,7 +3444,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                 ]
             )
 
                 ]
             )
 
-            CXXFLAGS=$save_CXXFLAGS
+            CFLAGS=$save_CFLAGS
         fi
 
 
         fi
 
 
@@ -3395,8 +3460,8 @@ 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
             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_CXXFLAGS=$CXXFLAGS
-            CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
+            save_CFLAGS=$CFLAGS
+            CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
             save_LIBS="$LIBS"
             LIBS="$GUI_TK_LIBRARY -lXm -lXmu -lXext -lX11"
 
             save_LIBS="$LIBS"
             LIBS="$GUI_TK_LIBRARY -lXm -lXmu -lXext -lX11"
 
@@ -3418,7 +3483,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                 ]
             )
 
                 ]
             )
 
-            CXXFLAGS=$save_CXXFLAGS
+            CFLAGS=$save_CFLAGS
             LIBS="$save_LIBS"
         fi
 
             LIBS="$save_LIBS"
         fi
 
@@ -3432,8 +3497,8 @@ 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"
                     if test "$libs_found" = "0"; then
                         save_LIBS="$LIBS"
                         LIBS="$GUI_TK_LIBRARY -lXm ${libp} -lXmu -lXext -lXt${libsm_ice} -lX11"
-                        save_CXXFLAGS=$CXXFLAGS
-                        CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
+                        save_CFLAGS=$CFLAGS
+                        CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
 
                         AC_TRY_LINK(
                             [
 
                         AC_TRY_LINK(
                             [
@@ -3456,7 +3521,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                         )
 
                         LIBS="$save_LIBS"
                         )
 
                         LIBS="$save_LIBS"
-                        CXXFLAGS=$save_CXXFLAGS
+                        CFLAGS=$save_CFLAGS
                     fi
                 done
             fi
                     fi
                 done
             fi
@@ -3471,8 +3536,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
         dnl elsewhere
         AC_CHECK_LIB(Sgm, [SgCreateList], [libsgm_link=" -lSgm"])
 
         dnl elsewhere
         AC_CHECK_LIB(Sgm, [SgCreateList], [libsgm_link=" -lSgm"])
 
-        save_CXXFLAGS=$CXXFLAGS
-        CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
+        save_CFLAGS=$CFLAGS
+        CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
 
         AC_CACHE_CHECK([for Motif 2],
             wx_cv_lib_motif2,
 
         AC_CACHE_CHECK([for Motif 2],
             wx_cv_lib_motif2,
@@ -3511,7 +3576,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
             AC_DEFINE(__WXLESSTIF__,0)
         fi
 
             AC_DEFINE(__WXLESSTIF__,0)
         fi
 
-        CXXFLAGS=$save_CXXFLAGS
+        CFLAGS=$save_CFLAGS
 
         GUI_TK_LIBRARY="$GUI_TK_LIBRARY${libsgm_link} -lXm${libp_link} -lXmu -lXext -lXt${libsm_ice_link} -lX11"
         TOOLKIT=MOTIF
 
         GUI_TK_LIBRARY="$GUI_TK_LIBRARY${libsgm_link} -lXm${libp_link} -lXmu -lXext -lXt${libsm_ice_link} -lX11"
         TOOLKIT=MOTIF
@@ -3532,8 +3597,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                 AC_CACHE_CHECK([for X11/xpm.h],
                     wx_cv_x11_xpm_h,
                     [
                 AC_CACHE_CHECK([for X11/xpm.h],
                     wx_cv_x11_xpm_h,
                     [
-                        save_CXXFLAGS=$CXXFLAGS
-                        CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
+                        save_CFLAGS=$CFLAGS
+                        CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
 
                         AC_TRY_COMPILE(
                             [
 
                         AC_TRY_COMPILE(
                             [
@@ -3547,7 +3612,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                             wx_cv_x11_xpm_h=no
                         )
 
                             wx_cv_x11_xpm_h=no
                         )
 
-                        CXXFLAGS=$save_CXXFLAGS
+                        CFLAGS=$save_CFLAGS
                     ]
                 )
 
                     ]
                 )
 
@@ -3570,8 +3635,8 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                      [], [$GUI_TK_LIBRARY -lX11])
 
         if test "$wxHAVE_XEXT_LIB" = 1; then
                      [], [$GUI_TK_LIBRARY -lX11])
 
         if test "$wxHAVE_XEXT_LIB" = 1; then
-            save_CXXFLAGS="$CXXFLAGS"
-            CXXFLAGS="$TOOLKIT_INCLUDE $CXXFLAGS"
+            save_CFLAGS="$CFLAGS"
+            CFLAGS="$TOOLKIT_INCLUDE $CFLAGS"
 
             AC_MSG_CHECKING([for X11/extensions/shape.h])
             AC_TRY_COMPILE([
 
             AC_MSG_CHECKING([for X11/extensions/shape.h])
             AC_TRY_COMPILE([
@@ -3590,7 +3655,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config
                            [
                             AC_MSG_RESULT([not found])
                            ])
                            [
                             AC_MSG_RESULT([not found])
                            ])
-            CXXFLAGS="$save_CXXFLAGS"
+            CFLAGS="$save_CFLAGS"
 
         fi
     fi
 
         fi
     fi
@@ -3836,30 +3901,34 @@ dnl ---------------------------------------------------------------------------
 
 USE_OPENGL=0
 if test "$wxUSE_OPENGL" = "yes"; then
 
 USE_OPENGL=0
 if test "$wxUSE_OPENGL" = "yes"; then
-    if test "$wxUSE_MAC" = 1 -o "$wxUSE_COCOA" = "1"; then
+    if test "$wxUSE_MGL" = 1 -o "$wxUSE_DFB" = "1"; then
+        AC_MSG_WARN([wxGLCanvas not implemented for this port, library will be compiled without it.])
+        wxUSE_OPENGL="no"
+    elif test "$wxUSE_MAC" = 1 -o "$wxUSE_COCOA" = "1"; then
         OPENGL_LIBS="-framework OpenGL -framework AGL"
     elif test "$wxUSE_MSW" = 1; then
         OPENGL_LIBS="-lopengl32 -lglu32"
     else
         OPENGL_LIBS="-framework OpenGL -framework AGL"
     elif test "$wxUSE_MSW" = 1; then
         OPENGL_LIBS="-lopengl32 -lglu32"
     else
-        dnl David Elliott: Without this snippet AC_CHECK_HEADER fails to find
-        dnl GL/gl.h on Mac OS X where it is located in
-        dnl /usr/X11R6/include/GL/gl.h:
-
-        WX_PATH_FIND_INCLUDES($SEARCH_INCLUDE, GL/gl.h)
+        dnl adjust CPPFLAGS to include GL/gl.h location if necessary
+        dnl (/opt/graphics/OpenGL is for HP-UX systems, bug 925307)
+        AC_MSG_CHECKING([for OpenGL headers])
+        WX_PATH_FIND_INCLUDES([$SEARCH_INCLUDE /opt/graphics/OpenGL/include], GL/gl.h)
         if test "$ac_find_includes" != "" ; then
             AC_MSG_RESULT(found in $ac_find_includes)
             WX_INCLUDE_PATH_EXIST($ac_find_includes, $CPPFLAGS)
             CPPFLAGS="$ac_path_to_include $CPPFLAGS"
         if test "$ac_find_includes" != "" ; then
             AC_MSG_RESULT(found in $ac_find_includes)
             WX_INCLUDE_PATH_EXIST($ac_find_includes, $CPPFLAGS)
             CPPFLAGS="$ac_path_to_include $CPPFLAGS"
+        else
+            AC_MSG_RESULT([not found])
         fi
 
         fi
 
-        AC_CHECK_HEADER(GL/gl.h,
-            [
+        AC_CHECK_HEADER(GL/gl.h, [
+            AC_CHECK_HEADER(GL/glu.h, [
                 found_gl=0
 
                 AC_MSG_CHECKING([for -lGL])
                 found_gl=0
 
                 AC_MSG_CHECKING([for -lGL])
-                WX_PATH_FIND_LIBRARIES([$SEARCH_LIB],GL)
+                WX_PATH_FIND_LIBRARIES([$SEARCH_LIB /opt/graphics/OpenGL/lib],GL)
                 if test "$ac_find_libraries" != "" ; then
                 if test "$ac_find_libraries" != "" ; then
-                    AC_MSG_RESULT([yes])
+                    AC_MSG_RESULT([found in $ac_find_libraries])
 
                     WX_LINK_PATH_EXIST([$ac_find_libraries],[$LDFLAGS])
                     if test "$ac_path_to_link" != " -L/usr/lib" ; then
 
                     WX_LINK_PATH_EXIST([$ac_find_libraries],[$LDFLAGS])
                     if test "$ac_path_to_link" != " -L/usr/lib" ; then
@@ -3901,6 +3970,7 @@ if test "$wxUSE_OPENGL" = "yes"; then
                     fi
                 fi
             ])
                     fi
                 fi
             ])
+        ])
 
         if test "x$OPENGL_LIBS" = "x"; then
             dnl it should be an error and not a warning because OpenGL is not on
 
         if test "x$OPENGL_LIBS" = "x"; then
             dnl it should be an error and not a warning because OpenGL is not on
@@ -3940,11 +4010,11 @@ fi
 if test "$wxUSE_SHARED" = "yes"; then
 
     dnl use versioned symbols if available on the platform
 if test "$wxUSE_SHARED" = "yes"; then
 
     dnl use versioned symbols if available on the platform
-    WX_VERSIONED_SYMBOLS([\$(top_builddir)version-script])
+    WX_VERSIONED_SYMBOLS([\$(wx_top_builddir)/version-script])
 
     case "${host}" in
       *-*-linux* | *-*-gnu* )
 
     case "${host}" in
       *-*-linux* | *-*-gnu* )
-        SAMPLES_RPATH_FLAG="-Wl,-rpath,\$(top_builddir)lib"
+        SAMPLES_RPATH_FLAG="-Wl,-rpath,\$(wx_top_builddir)/lib"
         WXCONFIG_RPATH="-Wl,-rpath,\$libdir"
         ;;
 
         WXCONFIG_RPATH="-Wl,-rpath,\$libdir"
         ;;
 
@@ -3963,7 +4033,7 @@ if test "$wxUSE_SHARED" = "yes"; then
                 [],[],
                 [
                     AC_MSG_RESULT([yes])
                 [],[],
                 [
                     AC_MSG_RESULT([yes])
-                    SAMPLES_RPATH_FLAG="-Wl,-rpath,\$(top_builddir)lib"
+                    SAMPLES_RPATH_FLAG="-Wl,-rpath,\$(wx_top_builddir)/lib"
                     WXCONFIG_RPATH="-Wl,-rpath,\$libdir"
                 ],[
                     AC_MSG_RESULT([no])
                     WXCONFIG_RPATH="-Wl,-rpath,\$libdir"
                 ],[
                     AC_MSG_RESULT([no])
@@ -3973,7 +4043,7 @@ if test "$wxUSE_SHARED" = "yes"; then
                         [],[],
                         [
                             AC_MSG_RESULT([yes])
                         [],[],
                         [
                             AC_MSG_RESULT([yes])
-                            SAMPLES_RPATH_FLAG="-Wl,-R,\$(top_builddir)lib"
+                            SAMPLES_RPATH_FLAG="-Wl,-R,\$(wx_top_builddir)/lib"
                             WXCONFIG_RPATH="-Wl,-R,\$libdir"
                         ],[
                             AC_MSG_RESULT([no])
                             WXCONFIG_RPATH="-Wl,-R,\$libdir"
                         ],[
                             AC_MSG_RESULT([no])
@@ -3981,7 +4051,7 @@ if test "$wxUSE_SHARED" = "yes"; then
                 ])
             LDFLAGS="$saveLdflags"
         else
                 ])
             LDFLAGS="$saveLdflags"
         else
-            SAMPLES_RPATH_FLAG="-R\$(top_builddir)lib"
+            SAMPLES_RPATH_FLAG="-R\$(wx_top_builddir)/lib"
             WXCONFIG_RPATH="-R\$libdir"
         fi
       ;;
             WXCONFIG_RPATH="-R\$libdir"
         fi
       ;;
@@ -3989,7 +4059,7 @@ if test "$wxUSE_SHARED" = "yes"; then
       *-*-darwin* )
         install_name_tool=`which install_name_tool`
         if test "$install_name_tool" -a -x "$install_name_tool"; then
       *-*-darwin* )
         install_name_tool=`which install_name_tool`
         if test "$install_name_tool" -a -x "$install_name_tool"; then
-            SAMPLES_RPATH_POSTLINK="\$(top_builddir)change-install-names \$(LIBDIRNAME) \$(prefix) \$@"
+            SAMPLES_RPATH_POSTLINK="\$(wx_top_builddir)/change-install-names \$(LIBDIRNAME) \$(prefix) \$@"
             cat <<EOF >change-install-names
 #!/bin/sh
 libnames=\`cd \${1} ; ls -1 | grep '\.[[0-9]][[0-9]]*\.dylib\$'\`
             cat <<EOF >change-install-names
 #!/bin/sh
 libnames=\`cd \${1} ; ls -1 | grep '\.[[0-9]][[0-9]]*\.dylib\$'\`
@@ -4010,7 +4080,7 @@ EOF
         ;;
 
       *-*-hpux* )
         ;;
 
       *-*-hpux* )
-        SAMPLES_RPATH_FLAG="-Wl,+b,\$(top_builddir)lib"
+        SAMPLES_RPATH_FLAG="-Wl,+b,\$(wx_top_builddir)/lib"
         WXCONFIG_RPATH="-Wl,+b,\$libdir"
         ;;
 
         WXCONFIG_RPATH="-Wl,+b,\$libdir"
         ;;
 
@@ -4118,7 +4188,7 @@ if test "$wxUSE_MAC" = 1 -o "$wxUSE_COCOA" = 1; then
     WX_RESOURCES_MACOSX_DATA="libwx_${TOOLCHAIN_NAME}.${wx_release_number}.rsrc"
 
     dnl add the resources target for wxMac
     WX_RESOURCES_MACOSX_DATA="libwx_${TOOLCHAIN_NAME}.${wx_release_number}.rsrc"
 
     dnl add the resources target for wxMac
-    LIBWXMACRES="\$(top_builddir)lib/${WX_RESOURCES_MACOSX_ASCII}"
+    LIBWXMACRES="\$(wx_top_builddir)/lib/${WX_RESOURCES_MACOSX_ASCII}"
 
     AC_CHECK_PROG(REZ, Rez, Rez, /Developer/Tools/Rez)
     AC_CHECK_PROG(DEREZ, DeRez, DeRez, /Developer/Tools/DeRez)
 
     AC_CHECK_PROG(REZ, Rez, Rez, /Developer/Tools/Rez)
     AC_CHECK_PROG(DEREZ, DeRez, DeRez, /Developer/Tools/DeRez)
@@ -4175,6 +4245,7 @@ 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
 
 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++) dnl tests below use overloaded functions and so need C++
 AC_CACHE_CHECK([if size_t is unsigned int],
     wx_cv_size_t_is_uint,
     [
 AC_CACHE_CHECK([if size_t is unsigned int],
     wx_cv_size_t_is_uint,
     [
@@ -4221,6 +4292,8 @@ else
     fi
 fi
 
     fi
 fi
 
+AC_LANG_POP() dnl C++
+
 dnl ---------------------------------------------------------------------------
 dnl Checks for structures
 dnl ---------------------------------------------------------------------------
 dnl ---------------------------------------------------------------------------
 dnl Checks for structures
 dnl ---------------------------------------------------------------------------
@@ -4303,6 +4376,8 @@ dnl stupidly, provides a dummy function declaration inside its extension)
 dnl succeeds, even with C++ compiler, but the compilation of wxWidgets fails
 dnl
 dnl so we first check if the function is in the library
 dnl succeeds, even with C++ compiler, but the compilation of wxWidgets fails
 dnl
 dnl so we first check if the function is in the library
+dnl
+dnl FIXME: replace this mess with WX_CHECK_FUNCS()
 AC_CHECK_FUNCS(snprintf vsnprintf)
 
 if test "$ac_cv_func_vsnprintf" = "yes"; then
 AC_CHECK_FUNCS(snprintf vsnprintf)
 
 if test "$ac_cv_func_vsnprintf" = "yes"; then
@@ -4504,8 +4579,21 @@ if test "$wxUSE_UNICODE" = yes; then
         fi
     fi
 
         fi
     fi
 
-    dnl also look if we have wide char IO functions
-    AC_CHECK_FUNCS(wputc wputchar putws fputws wprintf vswprintf)
+    dnl also look if we have wide char IO functions, notice that [f]putws are
+    dnl declared in special widec.h under Solaris
+    wchar_headers="#include <stdio.h>
+#include <wchar.h>"
+    case "${host}" in
+        *-*-solaris2* )
+            AC_CHECK_HEADERS(widec.h)
+            if test "$ac_cv_header_widec_h" = "yes"; then
+                wchar_headers="$wchar_headers
+#include <widec.h>"
+            fi
+    esac
+
+    WX_CHECK_FUNCS(wputc wputchar putws fputws wprintf vswprintf,,,
+                   [$wchar_headers])
 
     dnl MinGW has a vswprintf with a different prototype, and
     dnl a _vsnwprintf with the correct prototype, but AC_CHECK_FUNCS
 
     dnl MinGW has a vswprintf with a different prototype, and
     dnl a _vsnwprintf with the correct prototype, but AC_CHECK_FUNCS
@@ -4519,18 +4607,14 @@ if test "$wxUSE_UNICODE" = yes; then
 fi
 
 if test "x$ac_cv_header_fnmatch_h" = "xyes"; then
 fi
 
 if test "x$ac_cv_header_fnmatch_h" = "xyes"; then
-    AC_CHECK_FUNCS(fnmatch)
+    WX_CHECK_FUNCS(fnmatch,,,[#include <fnmatch.h>])
 fi
 
 if test "$wxUSE_FILE" = "yes"; then
 fi
 
 if test "$wxUSE_FILE" = "yes"; then
-    AC_CHECK_FUNCS(fsync)
-fi
-
-AC_CHECK_FUNCS(round)
-if test "$ac_cv_func_round" = yes; then
-    AC_CHECK_DECLS(round,,,[#include <math.h>])
+    WX_CHECK_FUNCS(fsync)
 fi
 
 fi
 
+WX_CHECK_FUNCS(round,,,[#include <math.h>])
 
 dnl the following tests are for Unix(like) systems only
 if test "$TOOLKIT" != "MSW"; then
 
 dnl the following tests are for Unix(like) systems only
 if test "$TOOLKIT" != "MSW"; then
@@ -4552,6 +4636,8 @@ if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes" -a "$wxUSE_UNIX" = "yes"; then
     if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes"; then
       AC_CACHE_CHECK([for sa_handler type], wx_cv_type_sa_handler,
       [
     if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes"; then
       AC_CACHE_CHECK([for sa_handler type], wx_cv_type_sa_handler,
       [
+        dnl C compiler happily compiles the code even if there is type mismatch
+        AC_LANG_PUSH(C++)
         AC_TRY_COMPILE([#include <signal.h>],
                      [
                         extern void testSigHandler(int);
         AC_TRY_COMPILE([#include <signal.h>],
                      [
                         extern void testSigHandler(int);
@@ -4563,6 +4649,7 @@ if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes" -a "$wxUSE_UNIX" = "yes"; then
                      ], [
                         wx_cv_type_sa_handler=void
                      ])
                      ], [
                         wx_cv_type_sa_handler=void
                      ])
+        AC_LANG_POP()
       ])
 
       AC_DEFINE_UNQUOTED(wxTYPE_SA_HANDLER, $wx_cv_type_sa_handler)
       ])
 
       AC_DEFINE_UNQUOTED(wxTYPE_SA_HANDLER, $wx_cv_type_sa_handler)
@@ -4573,6 +4660,7 @@ dnl backtrace() and backtrace_symbols() for wxStackWalker
 if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
     AC_CACHE_CHECK([for backtrace() in <execinfo.h>], wx_cv_func_backtrace,
         [
 if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
     AC_CACHE_CHECK([for backtrace() in <execinfo.h>], wx_cv_func_backtrace,
         [
+            AC_LANG_PUSH(C++)
             AC_TRY_COMPILE([#include <execinfo.h>],
                 [
                     void *trace[1];
             AC_TRY_COMPILE([#include <execinfo.h>],
                 [
                     void *trace[1];
@@ -4584,6 +4672,7 @@ if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
                 wx_cv_func_backtrace=yes,
                 wx_cv_func_backtrace=no
             )
                 wx_cv_func_backtrace=yes,
                 wx_cv_func_backtrace=no
             )
+            AC_LANG_POP()
         ]
     )
 
         ]
     )
 
@@ -4594,6 +4683,7 @@ if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
     else
         AC_CACHE_CHECK([for __cxa_demangle() in <cxxabi.h>], wx_cv_func_cxa_demangle,
             [
     else
         AC_CACHE_CHECK([for __cxa_demangle() in <cxxabi.h>], wx_cv_func_cxa_demangle,
             [
+                AC_LANG_PUSH(C++)
                 AC_TRY_LINK([#include <cxxabi.h>],
                     [
                         int rc;
                 AC_TRY_LINK([#include <cxxabi.h>],
                     [
                         int rc;
@@ -4602,6 +4692,7 @@ if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
                     wx_cv_func_cxa_demangle=yes,
                     wx_cv_func_cxa_demangle=no
                 )
                     wx_cv_func_cxa_demangle=yes,
                     wx_cv_func_cxa_demangle=no
                 )
+                AC_LANG_POP()
             ]
         )
 
             ]
         )
 
@@ -4648,6 +4739,7 @@ AC_CACHE_CHECK(for statfs, wx_cv_func_statfs,
 if test "$wx_cv_func_statfs" = "yes"; then
     dnl check whether we have its dcelaration too: some systems (AIX 4) lack it
     AC_CACHE_CHECK(for statfs declaration, wx_cv_func_statfs_decl,
 if test "$wx_cv_func_statfs" = "yes"; then
     dnl check whether we have its dcelaration too: some systems (AIX 4) lack it
     AC_CACHE_CHECK(for statfs declaration, wx_cv_func_statfs_decl,
+        AC_LANG_PUSH(C++)
         AC_TRY_COMPILE(
             [
                  #if defined(__BSD__)
         AC_TRY_COMPILE(
             [
                  #if defined(__BSD__)
@@ -4664,6 +4756,7 @@ if test "$wx_cv_func_statfs" = "yes"; then
             wx_cv_func_statfs_decl=yes,
             wx_cv_func_statfs_decl=no
         )
             wx_cv_func_statfs_decl=yes,
             wx_cv_func_statfs_decl=no
         )
+        AC_LANG_POP()
     )
 
     if test "$wx_cv_func_statfs_decl" = "yes"; then
     )
 
     if test "$wx_cv_func_statfs_decl" = "yes"; then
@@ -4696,6 +4789,7 @@ else
         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_CACHE_CHECK(for statvfs argument type, wx_cv_type_statvfs_t,
         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_CACHE_CHECK(for statvfs argument type, wx_cv_type_statvfs_t,
+            AC_LANG_PUSH(C++)
             AC_TRY_COMPILE(
                 [
                     #include <sys/statvfs.h>
             AC_TRY_COMPILE(
                 [
                     #include <sys/statvfs.h>
@@ -4727,6 +4821,7 @@ else
                     )
                 ]
             )
                     )
                 ]
             )
+            AC_LANG_POP()
         )
 
         if test "$wx_cv_type_statvfs_t" != "unknown"; then
         )
 
         if test "$wx_cv_type_statvfs_t" != "unknown"; then
@@ -4788,9 +4883,8 @@ if test "$HAVE_SOME_SLEEP_FUNC" != 1; then
                     POSIX4_LINK=" -lposix4"
                 ],
                 [
                     POSIX4_LINK=" -lposix4"
                 ],
                 [
-                    AC_CHECK_FUNCS(usleep,
-                        AC_DEFINE(HAVE_USLEEP),
-                        AC_MSG_WARN([wxSleep() function will not work])
+                    WX_CHECK_FUNCS(usleep,,
+                                    AC_MSG_WARN([wxSleep() function will not work])
                     )
                 ]
             )
                     )
                 ]
             )
@@ -4799,7 +4893,10 @@ if test "$HAVE_SOME_SLEEP_FUNC" != 1; then
 fi
 
 dnl check for uname (POSIX) and gethostname (BSD)
 fi
 
 dnl check for uname (POSIX) and gethostname (BSD)
-AC_CHECK_FUNCS(uname gethostname, break)
+WX_CHECK_FUNCS(uname,,,[#include <sys/utsname.h>])
+if test "$wx_cv_func_uname" != yes; then
+    WX_CHECK_FUNCS(gethostname)  
+fi
 
 WX_CHECK_FUNCS(strtok_r, [], [], [#define _REENTRANT])
 
 
 WX_CHECK_FUNCS(strtok_r, [], [], [#define _REENTRANT])
 
@@ -4888,14 +4985,14 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
 
     dnl the code below:
     dnl
 
     dnl the code below:
     dnl
-    dnl   defines THREADS_LINK and THREADS_CXXFLAGS which are the options
+    dnl   defines THREADS_LINK and THREADS_CFLAGS 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=
     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_CXXFLAGS=
+    THREADS_CFLAGS=
 
     if test "$wxUSE_THREADS" = "yes" ; then
         if test "$USE_BEOS" = 1; then
 
     if test "$wxUSE_THREADS" = "yes" ; then
         if test "$USE_BEOS" = 1; then
@@ -4986,7 +5083,7 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
 
                 -*)
                     AC_MSG_CHECKING([whether pthreads work with $flag])
 
                 -*)
                     AC_MSG_CHECKING([whether pthreads work with $flag])
-                    THREADS_CXXFLAGS="$flag"
+                    THREADS_CFLAGS="$flag"
                     ;;
 
                 *)
                     ;;
 
                 *)
@@ -4996,16 +5093,16 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
               esac
 
               save_LIBS="$LIBS"
               esac
 
               save_LIBS="$LIBS"
-              save_CXXFLAGS="$CXXFLAGS"
+              save_CFLAGS="$CFLAGS"
               LIBS="$THREADS_LINK $LIBS"
               LIBS="$THREADS_LINK $LIBS"
-              CXXFLAGS="$THREADS_CXXFLAGS $CXXFLAGS"
+              CFLAGS="$THREADS_CFLAGS $CFLAGS"
 
               AC_TRY_LINK([#include <pthread.h>],
                           [pthread_create(0,0,0,0);],
                           THREADS_OK=yes)
 
               LIBS="$save_LIBS"
 
               AC_TRY_LINK([#include <pthread.h>],
                           [pthread_create(0,0,0,0);],
                           THREADS_OK=yes)
 
               LIBS="$save_LIBS"
-              CXXFLAGS="$save_CXXFLAGS"
+              CFLAGS="$save_CFLAGS"
 
               AC_MSG_RESULT($THREADS_OK)
               if test "x$THREADS_OK" = "xyes"; then
 
               AC_MSG_RESULT($THREADS_OK)
               if test "x$THREADS_OK" = "xyes"; then
@@ -5013,7 +5110,7 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
               fi
 
               THREADS_LINK=""
               fi
 
               THREADS_LINK=""
-              THREADS_CXXFLAGS=""
+              THREADS_CFLAGS=""
       done
 
       if test "x$THREADS_OK" != "xyes"; then
       done
 
       if test "x$THREADS_OK" != "xyes"; then
@@ -5022,7 +5119,7 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
       else
           dnl yes, these special compiler flags should be used with the
           dnl linker as well
       else
           dnl yes, these special compiler flags should be used with the
           dnl linker as well
-          LDFLAGS="$THREADS_CXXFLAGS $LDFLAGS"
+          LDFLAGS="$THREADS_CFLAGS $LDFLAGS"
           LIBS="$THREADS_LINK $LIBS"
 
           AC_MSG_CHECKING([if more special flags are required for pthreads])
           LIBS="$THREADS_LINK $LIBS"
 
           AC_MSG_CHECKING([if more special flags are required for pthreads])
@@ -5054,11 +5151,11 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
           esac
           AC_MSG_RESULT(${flag})
           if test "x$flag" != xno; then
           esac
           AC_MSG_RESULT(${flag})
           if test "x$flag" != xno; then
-              THREADS_CXXFLAGS="$THREADS_CXXFLAGS $flag"
+              THREADS_CFLAGS="$THREADS_CFLAGS $flag"
           fi
 
           dnl don't add these options to CPPFLAGS as cpp might not know them
           fi
 
           dnl don't add these options to CPPFLAGS as cpp might not know them
-          WXCONFIG_CXXFLAGS="$WXCONFIG_CXXFLAGS $THREADS_CXXFLAGS"
+          WXCONFIG_CFLAGS="$WXCONFIG_CFLAGS $THREADS_CFLAGS"
       fi
     fi
 
       fi
     fi
 
@@ -5209,8 +5306,8 @@ else
             AC_CACHE_CHECK([if compiler supports -mthreads],
                 wx_cv_cflags_mthread,
                 [
             AC_CACHE_CHECK([if compiler supports -mthreads],
                 wx_cv_cflags_mthread,
                 [
-                    CXXFLAGS_OLD="$CXXFLAGS"
-                    CXXFLAGS="-mthreads $CXXFLAGS"
+                    CFLAGS_OLD="$CFLAGS"
+                    CFLAGS="-mthreads $CFLAGS"
                     AC_TRY_COMPILE([], [],
                         wx_cv_cflags_mthread=yes,
                         wx_cv_cflags_mthread=no
                     AC_TRY_COMPILE([], [],
                         wx_cv_cflags_mthread=yes,
                         wx_cv_cflags_mthread=no
@@ -5220,16 +5317,15 @@ else
 
             if test "$wx_cv_cflags_mthread" = "yes"; then
                 dnl it does, use it
 
             if test "$wx_cv_cflags_mthread" = "yes"; then
                 dnl it does, use it
-                WXCONFIG_CXXFLAGS="$WXCONFIG_CXXFLAGS -mthreads"
+                WXCONFIG_CFLAGS="$WXCONFIG_CFLAGS -mthreads"
                 LDFLAGS="$LDFLAGS -mthreads"
             else
                 dnl it doesn't
                 LDFLAGS="$LDFLAGS -mthreads"
             else
                 dnl it doesn't
-                CXXFLAGS="$CXXFLAGS_OLD"
+                CFLAGS="$CFLAGS_OLD"
             fi
         ;;
         *-pc-os2*emx )
             WXCONFIG_CFLAGS="$WXCONFIG_CFLAGS -Zmt -D__ST_MT_ERRNO__"
             fi
         ;;
         *-pc-os2*emx )
             WXCONFIG_CFLAGS="$WXCONFIG_CFLAGS -Zmt -D__ST_MT_ERRNO__"
-            WXCONFIG_CXXFLAGS="$WXCONFIG_CXXFLAGS -Zmt -D__ST_MT_ERRNO__"
             LDFLAGS="$LDFLAGS -Zmt"
         ;;
       esac
             LDFLAGS="$LDFLAGS -Zmt"
         ;;
       esac
@@ -5618,6 +5714,7 @@ if test "$wxUSE_SOUND" = "yes"; then
       AM_PATH_SDL([1.2.0],
                   [
                     EXTRALIBS_SDL="$SDL_LIBS"
       AM_PATH_SDL([1.2.0],
                   [
                     EXTRALIBS_SDL="$SDL_LIBS"
+                    CFLAGS="$SDL_CFLAGS $CFLAGS"
                     CXXFLAGS="$SDL_CFLAGS $CXXFLAGS"
                     AC_DEFINE(wxUSE_LIBSDL)
                   ],
                     CXXFLAGS="$SDL_CFLAGS $CXXFLAGS"
                     AC_DEFINE(wxUSE_LIBSDL)
                   ],
@@ -5626,20 +5723,30 @@ if test "$wxUSE_SOUND" = "yes"; then
         WITH_PLUGIN_SDL=1
       fi
     fi
         WITH_PLUGIN_SDL=1
       fi
     fi
+  else
+    dnl wxMGL doesn't support sound under DOS, only under Unix
+    if test "$wxUSE_MGL" = 1; then
+        AC_MSG_WARN([wxSound not supported in MGL under DOS... disabled])
+        wxUSE_SOUND="no"
+    fi
   fi
   fi
+fi
 
 
+if test "$wxUSE_SOUND" = "yes"; then
   AC_DEFINE(wxUSE_SOUND)
   SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS sound"
 fi
 
 if test "$WXGTK20" = 1; then
   AC_DEFINE(wxUSE_SOUND)
   SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS sound"
 fi
 
 if test "$WXGTK20" = 1; then
+    PKG_PROG_PKG_CONFIG()
+
     if test "$wxUSE_PRINTING_ARCHITECTURE" = "yes" ; then
         if test "$wxUSE_LIBGNOMEPRINT" = "yes" ; then
 
                 PKG_CHECK_MODULES(LIBGNOMEPRINTUI,
                                   [libgnomeprintui-2.2 >= 2.8],
                     [
     if test "$wxUSE_PRINTING_ARCHITECTURE" = "yes" ; then
         if test "$wxUSE_LIBGNOMEPRINT" = "yes" ; then
 
                 PKG_CHECK_MODULES(LIBGNOMEPRINTUI,
                                   [libgnomeprintui-2.2 >= 2.8],
                     [
-dnl                     EXTRALIBS_GNOMEPRINT="$LIBGNOMEPRINTUI_LIBS"
+                        CFLAGS="$LIBGNOMEPRINTUI_CFLAGS $CFLAGS"
                         CXXFLAGS="$LIBGNOMEPRINTUI_CFLAGS $CXXFLAGS"
                         AC_DEFINE(wxUSE_LIBGNOMEPRINT)
                     ],
                         CXXFLAGS="$LIBGNOMEPRINTUI_CFLAGS $CXXFLAGS"
                         AC_DEFINE(wxUSE_LIBGNOMEPRINT)
                     ],
@@ -5650,16 +5757,14 @@ dnl                     EXTRALIBS_GNOMEPRINT="$LIBGNOMEPRINTUI_LIBS"
                 )
         fi
     fi
                 )
         fi
     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],
                     [
     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="$LIBGNOMEVFS_LIBS"
+                        CFLAGS="$GNOMEVFS_CFLAGS $CFLAGS"
                         CXXFLAGS="$GNOMEVFS_CFLAGS $CXXFLAGS"
                         AC_DEFINE(wxUSE_LIBGNOMEVFS)
                     ],
                         CXXFLAGS="$GNOMEVFS_CFLAGS $CXXFLAGS"
                         AC_DEFINE(wxUSE_LIBGNOMEVFS)
                     ],
@@ -5670,14 +5775,13 @@ dnl                     EXTRALIBS_GNOMEVFS="$LIBGNOMEVFS_LIBS"
                 )
         fi
     fi
                 )
         fi
     fi
-fi
 
 
-if test "$WXGTK20" = 1; then
     if test "$wxUSE_LIBHILDON" = "yes" ; then
     if test "$wxUSE_LIBHILDON" = "yes" ; then
-        PKG_CHECK_MODULES(HILDON, 
+        PKG_CHECK_MODULES(HILDON,
                           [hildon-lgpl >= 0.9],
             [
                 EXTRALIBS_HILDON="$HILDON_LIBS"
                           [hildon-lgpl >= 0.9],
             [
                 EXTRALIBS_HILDON="$HILDON_LIBS"
+                CFLAGS="$CFLAGS $HILDON_CFLAGS"
                 CXXFLAGS="$CXXFLAGS $HILDON_CFLAGS"
                 AC_DEFINE(wxUSE_LIBHILDON)
             ],
                 CXXFLAGS="$CXXFLAGS $HILDON_CFLAGS"
                 AC_DEFINE(wxUSE_LIBHILDON)
             ],
@@ -5709,17 +5813,10 @@ if test "$wxUSE_FFILE" = "yes"; then
   AC_DEFINE(wxUSE_FFILE)
 fi
 
   AC_DEFINE(wxUSE_FFILE)
 fi
 
-if test "$wxUSE_FILESYSTEM" = "yes"; then
-  AC_DEFINE(wxUSE_FILESYSTEM)
-fi
-
-if test "$wxUSE_FS_ZIP" = "yes"; then
-  AC_DEFINE(wxUSE_FS_ZIP)
-fi
-
 if test "$wxUSE_ARCHIVE_STREAMS" = "yes"; then
   if test "$wxUSE_STREAMS" != yes; then
     AC_MSG_WARN(wxArchive requires wxStreams... disabled)
 if test "$wxUSE_ARCHIVE_STREAMS" = "yes"; then
   if test "$wxUSE_STREAMS" != yes; then
     AC_MSG_WARN(wxArchive requires wxStreams... disabled)
+    wxUSE_ARCHIVE_STREAMS=no
   else
     AC_DEFINE(wxUSE_ARCHIVE_STREAMS)
   fi
   else
     AC_DEFINE(wxUSE_ARCHIVE_STREAMS)
   fi
@@ -5743,22 +5840,31 @@ if test "$wxUSE_TARSTREAM" = "yes"; then
   fi
 fi
 
   fi
 fi
 
-if test "$wxUSE_BACKINGFILE" = "yes"; then
+if test "$wxUSE_FILESYSTEM" = "yes"; then
   if test "$wxUSE_STREAMS" != yes -o \( "$wxUSE_FILE" != yes -a "$wxUSE_FFILE" != yes \); then
   if test "$wxUSE_STREAMS" != yes -o \( "$wxUSE_FILE" != yes -a "$wxUSE_FFILE" != yes \); then
-    AC_MSG_WARN(wxBackingFile requires wxStreams and wxFile or wxFFile... disabled)
+    AC_MSG_WARN(wxFileSystem requires wxStreams and wxFile or wxFFile... disabled)
+    wxUSE_FILESYSTEM=no
   else
   else
-    AC_DEFINE(wxUSE_BACKINGFILE)
+    AC_DEFINE(wxUSE_FILESYSTEM)
   fi
 fi
 
 if test "$wxUSE_FS_ARCHIVE" = "yes"; then
   fi
 fi
 
 if test "$wxUSE_FS_ARCHIVE" = "yes"; then
-  if test "$wxUSE_ARCHIVE_STREAMS" != yes -o "$wxUSE_BACKINGFILE" != yes; then
-    AC_MSG_WARN(wxArchiveFSHandler requires wxArchive and wxBackingFile... disabled)
+  if test "$wxUSE_FILESYSTEM" != yes -o "$wxUSE_ARCHIVE_STREAMS" != yes; then
+    AC_MSG_WARN(wxArchiveFSHandler requires wxArchive and wxFileSystem... disabled)
   else
     AC_DEFINE(wxUSE_FS_ARCHIVE)
   fi
 fi
 
   else
     AC_DEFINE(wxUSE_FS_ARCHIVE)
   fi
 fi
 
+if test "$wxUSE_FS_ZIP" = "yes"; then
+  if test "$wxUSE_FS_ARCHIVE" != yes; then
+    AC_MSG_WARN(wxZipFSHandler requires wxArchiveFSHandler... disabled)
+  else
+    AC_DEFINE(wxUSE_FS_ZIP)
+  fi
+fi
+
 if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes"; then
   if test "$USE_UNIX" != 1; then
     AC_MSG_WARN([Catching fatal exceptions not currently supported on this system, wxApp::OnFatalException will not be called])
 if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes"; then
   if test "$USE_UNIX" != 1; then
     AC_MSG_WARN([Catching fatal exceptions not currently supported on this system, wxApp::OnFatalException will not be called])
@@ -5878,10 +5984,12 @@ dnl ---------------------------------------------------------------------------
 
 if test "$wxUSE_DATETIME" = "yes"; then
     dnl check for strptime and for its declaration as some systems lack it
 
 if test "$wxUSE_DATETIME" = "yes"; then
     dnl check for strptime and for its declaration as some systems lack it
+    dnl FIXME: use WX_CHECK_FUNCS instead
     AC_CHECK_FUNCS(strptime)
     if test "$ac_cv_func_strptime" = "yes"; then
         AC_CACHE_CHECK([for strptime declaration], wx_cv_func_strptime_decl,
             [
     AC_CHECK_FUNCS(strptime)
     if test "$ac_cv_func_strptime" = "yes"; then
         AC_CACHE_CHECK([for strptime declaration], wx_cv_func_strptime_decl,
             [
+                AC_LANG_PUSH(C++)
                 AC_TRY_COMPILE(
                     [
                         #include <time.h>
                 AC_TRY_COMPILE(
                     [
                         #include <time.h>
@@ -5893,6 +6001,7 @@ if test "$wxUSE_DATETIME" = "yes"; then
                     wx_cv_func_strptime_decl=yes,
                     wx_cv_func_strptime_decl=no
                 )
                     wx_cv_func_strptime_decl=yes,
                     wx_cv_func_strptime_decl=no
                 )
+                AC_LANG_POP()
             ]
         )
     fi
             ]
         )
     fi
@@ -5905,6 +6014,7 @@ if test "$wxUSE_DATETIME" = "yes"; then
     AC_CACHE_CHECK(for timezone variable in <time.h>,
                    wx_cv_var_timezone,
                    [
     AC_CACHE_CHECK(for timezone variable in <time.h>,
                    wx_cv_var_timezone,
                    [
+                        AC_LANG_PUSH(C++)
                         AC_TRY_COMPILE(
                             [
                                 #include <time.h>
                         AC_TRY_COMPILE(
                             [
                                 #include <time.h>
@@ -5950,6 +6060,7 @@ if test "$wxUSE_DATETIME" = "yes"; then
                                 )
                             ]
                         )
                                 )
                             ]
                         )
+                        AC_LANG_POP()
                    ]
     )
 
                    ]
     )
 
@@ -6074,6 +6185,7 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
         AC_CACHE_CHECK([what is the type of the third argument of getsockname],
                        wx_cv_type_getsockname3,
             [
         AC_CACHE_CHECK([what is the type of the third argument of getsockname],
                        wx_cv_type_getsockname3,
             [
+                AC_LANG_PUSH(C++)
                 AC_TRY_COMPILE(
                     [
                         #include <sys/types.h>
                 AC_TRY_COMPILE(
                     [
                         #include <sys/types.h>
@@ -6091,9 +6203,9 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
                         dnl converting between incompatible pointer types, so
                         dnl try to use it to get the correct behaviour at
                         dnl least with gcc (otherwise we'd always use size_t)
                         dnl converting between incompatible pointer types, so
                         dnl try to use it to get the correct behaviour at
                         dnl least with gcc (otherwise we'd always use size_t)
-                        CXXFLAGS_OLD="$CXXFLAGS"
+                        CFLAGS_OLD="$CFLAGS"
                         if test "$GCC" = yes ; then
                         if test "$GCC" = yes ; then
-                            CXXFLAGS="-Werror $CXXFLAGS"
+                            CFLAGS="-Werror $CFLAGS"
                         fi
 
                         AC_TRY_COMPILE(
                         fi
 
                         AC_TRY_COMPILE(
@@ -6120,9 +6232,10 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
                             )
                         )
 
                             )
                         )
 
-                        CXXFLAGS="$CXXFLAGS_OLD"
+                        CFLAGS="$CFLAGS_OLD"
                     ]
                 )
                     ]
                 )
+                AC_LANG_POP()
             ])
 
         if test "$wx_cv_type_getsockname3" = "unknown"; then
             ])
 
         if test "$wx_cv_type_getsockname3" = "unknown"; then
@@ -6146,17 +6259,12 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
                     ],
                     wx_cv_type_getsockopt5=socklen_t,
                     [
                     ],
                     wx_cv_type_getsockopt5=socklen_t,
                     [
-                        dnl the compiler will compile the version with size_t
-                        dnl even if the real type of the last parameter is int
-                        dnl but it should give at least a warning about
-                        dnl converting between incompatible pointer types, so
-                        dnl try to use it to get the correct behaviour at
-                        dnl least with gcc (otherwise we'd always use size_t)
-                        CXXFLAGS_OLD="$CXXFLAGS"
-                        if test "$GCC" = yes ; then
-                            CXXFLAGS="-Werror $CXXFLAGS"
-                        fi
-
+                        dnl Note that the rules for compatibility of pointers
+                        dnl are somewhat different between C and C++, so code 
+                        dnl that fails in C++ may not even give a warning about
+                        dnl converting between incompatible pointer types in C.
+                        dnl So this test needs to be done in C++ mode.
+                        AC_LANG_PUSH(C++)
                         AC_TRY_COMPILE(
                             [
                                 #include <sys/types.h>
                         AC_TRY_COMPILE(
                             [
                                 #include <sys/types.h>
@@ -6180,8 +6288,7 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
                                 wx_cv_type_getsockopt5=unknown
                             )
                         )
                                 wx_cv_type_getsockopt5=unknown
                             )
                         )
-
-                        CXXFLAGS="$CXXFLAGS_OLD"
+                        AC_LANG_POP()
                     ]
                 )
             ])
                     ]
                 )
             ])
@@ -6260,18 +6367,23 @@ if test "$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])
         if test "$USE_DARWIN" = 1; then
             dnl check for a bug in the headers, some have bad setEventCallout
             AC_MSG_CHECKING([headers have declarations needed for joystick support])
+            AC_LANG_PUSH(C++)
             AC_TRY_COMPILE( [ #include <IOKit/hid/IOHIDLib.h> ],
                             [ IOHIDQueueInterface *qi = NULL;
                               IOHIDCallbackFunction cb = NULL;
                               qi->setEventCallout(NULL, cb, NULL, NULL); ],
                             [ wxUSE_JOYSTICK=yes ]
                           )
             AC_TRY_COMPILE( [ #include <IOKit/hid/IOHIDLib.h> ],
                             [ IOHIDQueueInterface *qi = NULL;
                               IOHIDCallbackFunction cb = NULL;
                               qi->setEventCallout(NULL, cb, NULL, NULL); ],
                             [ wxUSE_JOYSTICK=yes ]
                           )
+            AC_LANG_POP()
             AC_MSG_RESULT($wxUSE_JOYSTICK)
         fi
 
     dnl joystick support is only for Linux 2.1.x or greater
     else
             AC_MSG_RESULT($wxUSE_JOYSTICK)
         fi
 
     dnl joystick support is only for Linux 2.1.x or greater
     else
-        AC_CHECK_HEADERS(linux/joystick.h, wxUSE_JOYSTICK=yes)
+        dnl wxJoystick not supported by wxMGL at all
+        if test "$wxUSE_MGL" != "1"; then
+            AC_CHECK_HEADERS(linux/joystick.h, wxUSE_JOYSTICK=yes)
+        fi
     fi
 
     if test "$wxUSE_JOYSTICK" = "yes"; then
     fi
 
     if test "$wxUSE_JOYSTICK" = "yes"; then
@@ -6567,6 +6679,12 @@ if test "$wxUSE_CARET" = "yes"; then
   SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS caret"
 fi
 
   SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS caret"
 fi
 
+if test "$wxUSE_COLLPANE" = "yes"; then
+    AC_DEFINE(wxUSE_COLLPANE)
+    USES_CONTROLS=1
+    SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS collpane"
+fi
+
 if test "$wxUSE_COMBOBOX" = "yes"; then
   AC_DEFINE(wxUSE_COMBOBOX)
   USES_CONTROLS=1
 if test "$wxUSE_COMBOBOX" = "yes"; then
   AC_DEFINE(wxUSE_COMBOBOX)
   USES_CONTROLS=1
@@ -6856,8 +6974,8 @@ if test "$wxUSE_POPUPWIN" = "yes"; then
 fi
 
 if test "$wxUSE_DIALUP_MANAGER" = "yes"; then
 fi
 
 if test "$wxUSE_DIALUP_MANAGER" = "yes"; then
-    if test "$wxUSE_MAC" = 1 -o "$wxUSE_COCOA" = 1 ; then
-        AC_MSG_WARN([Dialup manager not yet supported under Mac OS X... disabled])
+    if test "$wxUSE_MAC" = 1 -o "$wxUSE_COCOA" = 1 -o "$wxUSE_MGL" = 1; then
+        AC_MSG_WARN([Dialup manager not supported on this platform... disabled])
     else
         AC_DEFINE(wxUSE_DIALUP_MANAGER)
         SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS dialup"
     else
         AC_DEFINE(wxUSE_DIALUP_MANAGER)
         SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS dialup"
@@ -7017,6 +7135,10 @@ if test "$wxUSE_IMAGE" = "yes" ; then
       AC_DEFINE(wxUSE_PCX)
     fi
 
       AC_DEFINE(wxUSE_PCX)
     fi
 
+    if test "$wxUSE_TGA" = "yes" ; then
+      AC_DEFINE(wxUSE_TGA)
+    fi
+
     if test "$wxUSE_IFF" = "yes" ; then
       AC_DEFINE(wxUSE_IFF)
     fi
     if test "$wxUSE_IFF" = "yes" ; then
       AC_DEFINE(wxUSE_IFF)
     fi
@@ -7121,8 +7243,8 @@ if test "$wxUSE_GRAPHICS_CONTEXT" = "yes"; then
    else
       dnl ...but let's check for cairo availability for wxGTK builds
       PKG_CHECK_MODULES(CAIRO, cairo,
    else
       dnl ...but let's check for cairo availability for wxGTK builds
       PKG_CHECK_MODULES(CAIRO, cairo,
-          AC_DEFINE(wxUSE_GRAPHICS_CONTEXT),
-          AC_MSG_WARN([Cairo library not found, unable to set wxUSE_GRAPHICS_CONTEXT])
+          [AC_DEFINE(wxUSE_GRAPHICS_CONTEXT)],
+          [AC_MSG_WARN([Cairo library not found, unable to set wxUSE_GRAPHICS_CONTEXT])]
       )
    fi
 fi
       )
    fi
 fi
@@ -7273,9 +7395,6 @@ dnl ---------------------------------------------------------------------------
 dnl Output the makefiles and such from the results found above
 dnl ---------------------------------------------------------------------------
 
 dnl Output the makefiles and such from the results found above
 dnl ---------------------------------------------------------------------------
 
-dnl no more tests from here
-AC_LANG_POP
-
 dnl all additional libraries (except wxWidgets itself) we link with
 
 if test "$wxUSE_MAC" = 1 ; then
 dnl all additional libraries (except wxWidgets itself) we link with
 
 if test "$wxUSE_MAC" = 1 ; then
@@ -7384,7 +7503,7 @@ dnl come first and the one with setup.h should be before $(top_srcdir)/include
 dnl in case the latter contains setup.h used by non-autoconf makefiles (e.g.
 dnl CodeWarrior):
 CPPFLAGS=`echo $WXCONFIG_CPPFLAGS \
 dnl in case the latter contains setup.h used by non-autoconf makefiles (e.g.
 dnl CodeWarrior):
 CPPFLAGS=`echo $WXCONFIG_CPPFLAGS \
- -I\\${top_builddir}lib/wx/include/${TOOLCHAIN_FULLNAME} \
+ -I\\${wx_top_builddir}/lib/wx/include/${TOOLCHAIN_FULLNAME} \
  -I\\${top_srcdir}/include $TOOLKIT_INCLUDE \
  $CPPFLAGS `
 
  -I\\${top_srcdir}/include $TOOLKIT_INCLUDE \
  $CPPFLAGS `
 
@@ -7580,7 +7699,7 @@ if test "$wxUSE_WINE" = "yes"; then
 fi
 
 dnl ---------------------------------------------------------------------------
 fi
 
 dnl ---------------------------------------------------------------------------
-dnl Add Universal binary support 
+dnl Add Universal binary support
 dnl Note we don't do this earlier because adding these cpp/ld flags could
 dnl cause configure tests to fail.
 dnl ---------------------------------------------------------------------------
 dnl Note we don't do this earlier because adding these cpp/ld flags could
 dnl cause configure tests to fail.
 dnl ---------------------------------------------------------------------------
@@ -7590,7 +7709,7 @@ if test "$wxUSE_MAC" = 1 ; then
         dnl --enable-universal_binary=SDK names a path to an SDK
         if test "x$wxUSE_UNIVERSAL_BINARY" == xyes; then
             OSX_UNIV_OPTS="-isysroot /Developer/SDKs/MacOSX10.4u.sdk"
         dnl --enable-universal_binary=SDK names a path to an SDK
         if test "x$wxUSE_UNIVERSAL_BINARY" == xyes; then
             OSX_UNIV_OPTS="-isysroot /Developer/SDKs/MacOSX10.4u.sdk"
-        else 
+        else
             dnl '' would mean universal with no SDK, which may be the case if
             dnl the compiler uses a sysroot by default
             OSX_UNIV_OPTS=${wxUSE_UNIVERSAL_BINARY:+"-isysroot '$wxUSE_UNIVERSAL_BINARY'"}
             dnl '' would mean universal with no SDK, which may be the case if
             dnl the compiler uses a sysroot by default
             OSX_UNIV_OPTS=${wxUSE_UNIVERSAL_BINARY:+"-isysroot '$wxUSE_UNIVERSAL_BINARY'"}
@@ -7668,7 +7787,7 @@ then
     CPPFLAGS="-DWX_PRECOMP $CPPFLAGS"
 fi
 
     CPPFLAGS="-DWX_PRECOMP $CPPFLAGS"
 fi
 
-dnl HACK ALERT!! 
+dnl HACK ALERT!!
 dnl For now, we need to alter bk-deps not to generate deps
 dnl when we've configured a Universal binary build.
 dnl The next version of Bakefile will have the correct fix for this
 dnl For now, we need to alter bk-deps not to generate deps
 dnl when we've configured a Universal binary build.
 dnl The next version of Bakefile will have the correct fix for this
@@ -7849,7 +7968,10 @@ AC_CONFIG_FILES([ lib/wx/config/inplace-${TOOLCHAIN_FULLNAME}:wx-config-inplace.
                 [ chmod +x lib/wx/config/inplace-${TOOLCHAIN_FULLNAME} ],
                 [ TOOLCHAIN_FULLNAME="${TOOLCHAIN_FULLNAME}" ])
 
                 [ chmod +x lib/wx/config/inplace-${TOOLCHAIN_FULLNAME} ],
                 [ TOOLCHAIN_FULLNAME="${TOOLCHAIN_FULLNAME}" ])
 
-AC_CONFIG_FILES([ version-script Makefile ])
+if test "$wx_cv_version_script" = "yes"; then
+    AC_CONFIG_FILES(version-script)
+fi
+AC_CONFIG_FILES(Makefile)
 
 AC_CONFIG_COMMANDS([wx-config],
                    [ rm -f wx-config
 
 AC_CONFIG_COMMANDS([wx-config],
                    [ rm -f wx-config
@@ -7877,6 +7999,10 @@ fi
 dnl Add tests to the list of subdirs if cppunit 1.8.0+ is detected
 AM_PATH_CPPUNIT(1.8.0, [SUBDIRS="$SUBDIRS tests"])
 
 dnl Add tests to the list of subdirs if cppunit 1.8.0+ is detected
 AM_PATH_CPPUNIT(1.8.0, [SUBDIRS="$SUBDIRS tests"])
 
+if test "$USE_UNIX" != "1" -a "$USE_WIN32" != "1"; then
+    DISABLED_CONTRIB="$DISABLED_CONTRIB net"
+fi
+
 for subdir in `echo $SUBDIRS`; do
     if test -d ${srcdir}/${subdir} ; then
         if test "$wxUSE_GUI" = "yes"; then
 for subdir in `echo $SUBDIRS`; do
     if test -d ${srcdir}/${subdir} ; then
         if test "$wxUSE_GUI" = "yes"; then
wxWidgets (Impactor)