]> git.saurik.com Git - wxWidgets.git/blobdiff - configure.in
removed wcslen() implementation, it is now inline in wxchar.h
[wxWidgets.git] / configure.in
index 7bbfa3dcc25aed22b5d3c039d4d568bd27c6abc9..e4dd9d37811cf26340f070e0c5aea2790a42ba8c 100644 (file)
@@ -224,6 +224,9 @@ case "${host}" in
     USE_AIX=1
     USE_SYSV=1
     USE_SVR4=1
+    dnl Irvin Probst <irvin.probst@fr.thalesgroup.com> reports that the shared
+    dnl libraries under AIX have the same suffix as the normal ones
+    SO_SUFFIX=a
     AC_DEFINE(__AIX__)
     AC_DEFINE(__SYSV__)
     AC_DEFINE(__SVR4__)
@@ -231,15 +234,10 @@ case "${host}" in
   ;;
 
   *-*-cygwin* | *-*-mingw32* )
-    USE_UNIX=0
-    USE_WIN32=1
+    dnl MBN: some of the defines have been moved after toolkit detection
+    dnl      because for wxMotif/wxGTK/wxX11 to build on Cygwin
+    dnl      USE_UNIX  must be set and not USE_WIN32
     SO_SUFFIX=dll
-    AC_DEFINE(__WIN32__)
-    AC_DEFINE(__WIN95__)
-    AC_DEFINE(__WINDOWS__)
-    AC_DEFINE(__GNUWIN32__)
-    AC_DEFINE(STRICT)
-    AC_DEFINE(WINVER, 0x0400)
     PROGRAM_EXT=".exe"
     RESCOMP=windres
     DEFAULT_DEFAULT_wxUSE_MSW=1
@@ -251,13 +249,14 @@ case "${host}" in
     AC_DEFINE(__DOS__)
     PROGRAM_EXT=".exe"
     DEFAULT_DEFAULT_wxUSE_MGL=1
+    dnl DJGPP needs explicit -lstdc++ for some reason (VS: mayb some versions only?)
+    LIBS="$LIBS -lstdc++"
   ;;
 
   *-pc-os2_emx | *-pc-os2-emx )
     AC_DEFINE(__EMX__)
     PROGRAM_EXT=".exe"
     DEFAULT_DEFAULT_wxUSE_PM=1
-    LIBS="$LIBS -lstdcpp"
   ;;
 
   powerpc-*-darwin* )
@@ -281,33 +280,6 @@ case "${host}" in
     AC_MSG_ERROR(unknown system type ${host}.)
 esac
 
-if test "$USE_UNIX" = 1 ; then
-    wxUSE_UNIX=yes
-    AC_DEFINE(__UNIX__)
-fi
-
-dnl check for glibc version
-if test "$USE_LINUX" = 1; then
-    AC_CACHE_CHECK([for glibc 2.1 or later], wx_lib_glibc21,[
-        AC_TRY_COMPILE([#include <features.h>],
-            [
-                #if !__GLIBC_PREREQ(2, 1)
-                    #error not glibc2.1
-                #endif
-            ],
-            [
-                wx_lib_glibc21=yes
-            ],
-            [
-                wx_lib_glibc21=no
-            ]
-        )
-    ])
-    if test "$wx_lib_glibc21" = "yes"; then
-        AC_DEFINE(wxHAVE_GLIBC2)
-    fi
-fi
-
 dnl ---------------------------------------------------------------------------
 dnl command line options for configure
 dnl ---------------------------------------------------------------------------
@@ -381,6 +353,8 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_FONTMAP=no
   DEFAULT_wxUSE_STREAMS=no
   DEFAULT_wxUSE_SOCKETS=no
+  DEFAULT_wxUSE_OLE=no
+  DEFAULT_wxUSE_DATAOBJ=no
   DEFAULT_wxUSE_DIALUP_MANAGER=no
   DEFAULT_wxUSE_JOYSTICK=no
   DEFAULT_wxUSE_DYNLIB_CLASS=no
@@ -419,7 +393,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_PROTOCOL_FTP=no
   DEFAULT_wxUSE_PROTOCOL_FILE=no
   DEFAULT_wxUSE_URL=no
-  
+
   DEFAULT_wxUSE_COMMONDLGS=no
   DEFAULT_wxUSE_CHOICEDLG=no
   DEFAULT_wxUSE_COLOURDLG=no
@@ -554,6 +528,8 @@ else
   DEFAULT_wxUSE_FONTMAP=yes
   DEFAULT_wxUSE_STREAMS=yes
   DEFAULT_wxUSE_SOCKETS=yes
+  DEFAULT_wxUSE_OLE=yes
+  DEFAULT_wxUSE_DATAOBJ=yes
   DEFAULT_wxUSE_DIALUP_MANAGER=yes
   DEFAULT_wxUSE_JOYSTICK=yes
   DEFAULT_wxUSE_DYNLIB_CLASS=yes
@@ -683,8 +659,8 @@ dnl ============================
 dnl these options use AC_ARG_WITH and not WX_ARG_WITH on purpose - we cache
 dnl these values manually
 for toolkit in `echo $ALL_TOOLKITS`; do
-  LINE=`grep "wxUSE_$toolkit" ${wx_arg_cache_file}`
-  if test "x$LINE" != x ; then
+  LINE=`grep "wxUSE_$toolkit=" ${wx_arg_cache_file}`
+  if test "x$LINE" != "x" ; then
     has_toolkit_in_cache=1
     eval "DEFAULT_$LINE"
     eval "CACHE_$toolkit=1"
@@ -708,14 +684,14 @@ AC_ARG_WITH(gtk,           [  --with-gtk              use GTK+], [wxUSE_GTK="$wi
 AC_ARG_WITH(motif,         [  --with-motif            use Motif/Lesstif], [wxUSE_MOTIF="$withval" CACHE_MOTIF=1 TOOLKIT_GIVEN=1])
 AC_ARG_WITH(mac,           [  --with-mac              use Mac OS X], [wxUSE_MAC="$withval" TOOLKIT_GIVEN=1])
 AC_ARG_WITH(wine,          [  --with-wine             use WINE], [wxUSE_WINE="$withval" CACHE_WINE=1 TOOLKIT_GIVEN=1])
-AC_ARG_WITH(msw,           [  --with-msw              use MS-Windows], [wxUSE_MSW="$withval" CACHE_MSW TOOLKIT_GIVEN=1])
+AC_ARG_WITH(msw,           [  --with-msw              use MS-Windows], [wxUSE_MSW="$withval" CACHE_MSW=1 TOOLKIT_GIVEN=1])
 AC_ARG_WITH(pm,            [  --with-pm               use OS/2 Presentation Manager], [wxUSE_PM="$withval" CACHE_PM=1 TOOLKIT_GIVEN=1])
-AC_ARG_WITH(mgl,           [  --with-mgl              use SciTech MGL], [wxUSE_MGL="$withval" CACHE_MGL=1 TOOLKIT_GIVEN=1])
+AC_ARG_WITH(mgl,           [  --with-mgl              use SciTech MGL], [wxUSE_MGL="$withval" wxUSE_UNIVERSAL="yes" CACHE_MGL=1 TOOLKIT_GIVEN=1])
 AC_ARG_WITH(microwin,      [  --with-microwin         use MicroWindows], [wxUSE_MICROWIN="$withval" CACHE_MICROWIN=1 TOOLKIT_GIVEN=1])
 AC_ARG_WITH(x11,           [  --with-x11              use X11], [wxUSE_X11="$withval" wxUSE_UNIVERSAL="yes" CACHE_X11=1 TOOLKIT_GIVEN=1])
 WX_ARG_ENABLE(nanox,       [  --enable-nanox          use NanoX], wxUSE_NANOX)
 
-AC_ARG_ENABLE(gtk2,        [  --enable-gtk2           use GTK+ 2.0 if available (EXPERIMENTAL)],wxUSE_GTK2="yes",wxUSE_GTK2="no")
+WX_ARG_ENABLE(gtk2,        [  --enable-gtk2           use GTK+ 2.0 if available (EXPERIMENTAL)], wxUSE_GTK2)
 
 WX_ARG_SYS_WITH(libpng,    [  --with-libpng           use libpng (PNG image format)], wxUSE_LIBPNG)
 WX_ARG_SYS_WITH(libjpeg,   [  --with-libjpeg          use libjpeg (JPEG file format)], wxUSE_LIBJPEG)
@@ -739,8 +715,8 @@ WX_ARG_ENABLE(soname,      [  --enable-soname         set the DT_SONAME field in
 WX_ARG_ENABLE(optimise,    [  --enable-optimise       create optimised code], wxUSE_OPTIMISE)
 WX_ARG_ENABLE(debug,       [  --enable-debug          same as debug_flag and debug_info], wxUSE_DEBUG)
 
-dnl allow the precompiled header option to be disabled under Mac OS X
-WX_ARG_ENABLE(precomp,     [  --enable-precomp        enable use of precompiled headers (Mac OS X)], wxUSE_PRECOMP)
+dnl allow the precompiled header option to be disabled under Mac OS X/Darwin
+WX_ARG_ENABLE(precomp,     [  --enable-precomp        enable use of precompiled headers (Mac OS X/Darwin)], wxUSE_PRECOMP)
 
 if test "$wxUSE_DEBUG" = "yes"; then
   DEFAULT_wxUSE_DEBUG_FLAG=yes
@@ -764,6 +740,13 @@ WX_ARG_ENABLE(no_deps,       [  --enable-no_deps        create code without depe
 WX_ARG_ENABLE(compat20,      [  --enable-compat20       enable wxWindows 2.0 compatibility], WXWIN_COMPATIBILITY_2)
 WX_ARG_ENABLE(compat22,      [  --disable-compat22      disable wxWindows 2.2 compatibility], WXWIN_COMPATIBILITY_2_2)
 
+AC_ARG_ENABLE(rpath,         [  --enable-rpath=DIR      output the rpath flag from wx-config], [wxRPATH_DIR="$enableval"])
+
+if test "$wxRPATH_DIR" != "" -a "$wxRPATH_DIR" != "disable"; then
+   WXCONFIG_RPATH="-Wl,-rpath -Wl,$wxRPATH_DIR"
+fi
+
+
 dnl ---------------------------------------------------------------------------
 dnl (small) optional non GUI classes
 dnl ---------------------------------------------------------------------------
@@ -776,6 +759,8 @@ WX_ARG_ENABLE(ftp,           [  --enable-ftp            use wxFTP (requires wxPr
 WX_ARG_ENABLE(http,          [  --enable-http           use wxHTTP (requires wxProtocol], wxUSE_PROTOCOL_HTTP)
 WX_ARG_ENABLE(fileproto,     [  --enable-fileproto      use wxFileProto class (requires wxProtocol], wxUSE_PROTOCOL_FILE)
 WX_ARG_ENABLE(sockets,       [  --enable-sockets        use socket/network classes], wxUSE_SOCKETS)
+WX_ARG_ENABLE(ole,           [  --enable-ole            use OLE classes], wxUSE_OLE)
+WX_ARG_ENABLE(dataobj,       [  --enable-dataobj        use data object classes], wxUSE_DATAOBJ)
 
 WX_ARG_ENABLE(ipc,           [  --enable-ipc            use interprocess communication (wxSocket etc.)], wxUSE_IPC)
 
@@ -1055,7 +1040,9 @@ dnl Path separator; ':' for unix, ';' for OS/2
 dnl Stem for flex output; lexyy for OS/2, lex.yy otherwise
 case "${host}" in
   *-pc-os2_emx | *-pc-os2-emx )
-    dnl PATH_IFS is autodetected by OS/2's configure (usually ';')
+    PATH_IFS=';'
+dnl Really ought to text for this as meanwhile there are flex versions using
+dnl lex.yy as well due to FAT support being more and more dropped...
     LEX_STEM="lexyy"
   ;;
   *)
@@ -1114,10 +1101,10 @@ if test "$wxUSE_GUI" = "yes"; then
       1)
       ;;
       0)
-        AC_MSG_ERROR(Please specify a toolkit - cannot determine the default for ${host})
+        AC_MSG_ERROR(Please specify a toolkit -- cannot determine the default for ${host})
       ;;
       *)
-        AC_MSG_ERROR(Please specify at most one toolkit (may be some are cached?))
+        AC_MSG_ERROR(Please specify at most one toolkit (maybe some are cached in configarg.cache?))
     esac
 
     dnl cache the wxUSE_<TOOLKIT> values too
@@ -1140,6 +1127,70 @@ else
     AC_MSG_RESULT(base ($host_alias hosted) only)
 fi
 
+dnl ---------------------------------------------------------------------------
+dnl When we are using gcc on OS/2, we want to be either using resources (PM)
+dnl or a more complete POSIX emulation for Motif/GTK+/X11
+dnl ---------------------------------------------------------------------------
+dnl (OS/2-only piece)
+case "${host}" in
+  *-pc-os2_emx | *-pc-os2-emx )
+      dnl Explicitly link -lstdcpp, since we are using "gcc" not "g++"/"c++".
+      LIBS="$LIBS -lstdcpp"
+      if test "$wxUSE_MOTIF" = 1 -o "$wxUSE_GTK" = 1 -o "$wxUSE_X11" = 1; then
+          dnl More complete Unix emulation for unix-like ports
+         dnl by linking in POSIX/2's cExt (if available).
+          AC_CHECK_LIB(cExt, drand48, LIBS="$LIBS -lcExt")
+      else
+         dnl Include resources for the "native" port (wxPM).
+          RESPROGRAMOBJ="\${top_srcdir}/include/wx/os2/wx.res"
+      fi
+  ;;
+esac
+dnl (end of OS/2-only piece)
+
+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
+      else
+        doesnt_want_win32=1
+      fi
+  ;;
+  *-*-mingw*)
+      wants_win32=1
+  ;;
+esac
+
+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 ---------------------------------------------------------------------------
@@ -1207,6 +1258,16 @@ AC_CHECK_PROG(AR, ar, ar, ar)
 dnl install checks
 dnl   defines INSTALL with the appropriate command
 AC_PROG_INSTALL
+
+dnl   make install path absolute (if not already); will fail with MSDOS paths
+case ${INSTALL} in
+  /* ) # Absolute
+     ;;
+  *)
+     INSTALL=`pwd`/${INSTALL} ;;
+esac
+
+
 case "${host}" in
 
     dnl The other BSD's should probably go in here too, since this is
@@ -1296,6 +1357,145 @@ AC_PROG_LEX
 dnl needed for making link to setup.h
 AC_PROG_LN_S
 
+dnl ------------------------------------------------------------------------
+dnl Check for headers
+dnl ------------------------------------------------------------------------
+
+dnl test for strings.h needed under AIX, but do not check for it wxMac as
+dnl it exists but is only a simple redirection to string.h and it is in
+dnl conflict with Strings.h in FlatCarbon headers
+if test "$wxUSE_MAC" != 1; then
+  dnl defines HAVE_STRINGS_H
+  AC_CHECK_HEADERS(strings.h)
+fi
+
+dnl defines HAVE_STDLIB_H
+AC_CHECK_HEADERS(stdlib.h)
+dnl defines HAVE_MALLOC_H
+AC_CHECK_HEADERS(malloc.h)
+dnl defines HAVE_UNISTD_H
+AC_CHECK_HEADERS(unistd.h)
+dnl defines HAVE_WCHAR_H
+AC_CHECK_HEADERS(wchar.h)
+
+dnl maybe wchar_t is in wcstr.h if we don't have wchar.h?
+if test "$ac_cv_header_wchar_h" != "yes"; then
+    dnl defines HAVE_WCSTR_H
+    AC_CHECK_HEADERS(wcstr.h)
+fi
+
+dnl defines HAVE_FNMATCH_H
+AC_CHECK_HEADERS(fnmatch.h)
+
+if test "x$ac_cv_header_fnmatch_h" = "xyes"; then
+    AC_CHECK_FUNCS(fnmatch)
+fi
+
+dnl defines HAVE_LANGINFO_H (GNU libc locale parameters)
+AC_CHECK_HEADERS(langinfo.h)
+
+if test "$wxUSE_GUI" = "yes"; then
+    if test "$wxUSE_UNIX" = "yes"; then
+        dnl defines HAVE_X11_XKBLIB_H
+        AC_CHECK_HEADERS(X11/XKBlib.h)
+    fi
+fi
+
+dnl ---------------------------------------------------------------------------
+dnl Checks for compiler characteristics
+dnl ---------------------------------------------------------------------------
+
+dnl defines const to be empty if c-compiler does not support const fully
+AC_C_CONST
+dnl defines inline to a sensible value for the c-compiler
+AC_C_INLINE
+
+dnl check the sizes of integral types (give some reasonable default values for
+dnl cross-compiling)
+dnl   defines the size of certain types of variables in SIZEOF_<TYPE>
+AC_CHECK_SIZEOF(char, 1)
+AC_CHECK_SIZEOF(short, 2)
+AC_CHECK_SIZEOF(void *, 4)
+AC_CHECK_SIZEOF(int, 4)
+AC_CHECK_SIZEOF(long, 4)
+
+case "${host}" in
+    arm-*-linux* )
+        AC_CHECK_SIZEOF(long long, 8)
+    ;;
+    *-hp-hpux* )
+        AC_CHECK_SIZEOF(long long, 0)
+        if test "$ac_cv_sizeof_long_long" != "0"; then
+            dnl HPUX 10.20 headers need this define in order to use long long definitions
+            CPPFLAGS="$CPPFLAGS -D_INCLUDE_LONGLONG"
+        fi
+    ;;
+    * )
+        AC_CHECK_SIZEOF(long long, 0)
+esac
+
+dnl we have to do it ourselves because SGI/Irix's stdio.h does not include
+dnl wchar_t and AC_CHECK_SIZEOF only includes stdio.h
+dnl Mac OS X does not provide wchar.h and wchar_t is defined by stdlib.h (GD)
+AC_CACHE_CHECK([size of wchar_t], wx_cv_sizeof_wchar_t,
+[
+    AC_TRY_RUN(
+        [
+            #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>
+            int main()
+            {
+                FILE *f=fopen("conftestval", "w");
+                if (!f) exit(1);
+                fprintf(f, "%i", sizeof(wchar_t));
+                exit(0);
+            }
+        ],
+        wx_cv_sizeof_wchar_t=`cat conftestval`,
+        wx_cv_sizeof_wchar_t=0,
+        wx_cv_sizeof_wchar_t=4
+    )
+])
+
+AC_DEFINE_UNQUOTED(SIZEOF_WCHAR_T, $wx_cv_sizeof_wchar_t)
+
+dnl check for large file support
+AC_SYS_LARGEFILE
+
+dnl we need to define _FILE_OFFSET_BITS or _LARGE_FILES on the compiler command
+dnl line because otherwise the system headers risk being included before
+dnl wx/defs.h which defines these constants leading to inconsistent
+dnl sizeof(off_t) in different source files of the same program and linking
+dnl problems
+if test "x$wx_largefile" = "xyes"; then
+    if test "x$ac_cv_sys_file_offset_bits" = "x64"; then
+        WX_LARGEFILE_FLAGS="-D_FILE_OFFSET_BITS=64 -D_LARGE_FILES"
+    else
+        WX_LARGEFILE_FLAGS="-D_LARGE_FILES"
+    fi
+    CPPFLAGS="$CPPFLAGS $WX_LARGEFILE_FLAGS"
+fi
+
+dnl check for bytesex stuff (don't use AC_C_BIGENDIAN to allow cross-compiling)
+WX_C_BIGENDIAN
+
+dnl check for iostream (as opposed to iostream.h) standard header
+WX_CPP_NEW_HEADERS(, AC_DEFINE(wxUSE_IOSTREAMH))
+
+dnl check whether C++ compiler supports bool built-in type
+WX_CPP_BOOL
+
+dnl check whether C++ compiler supports explicit keyword
+WX_CPP_EXPLICIT
+
 dnl ---------------------------------------------------------------------------
 dnl Define search path for includes and libraries: all headers and libs will be
 dnl looked for in all directories of this path
@@ -1303,8 +1503,11 @@ dnl ---------------------------------------------------------------------------
 
 dnl notice that /usr/include should not be in this list, otherwise it breaks
 dnl compilation on Solaris/gcc because standard headers are included instead
-dnl of the gcc ones (correction: it *is* needed for broken AIX compiler - but
-dnl do put it last!)
+dnl of the gcc ones.  (recorrection.. sadly much depends on this since it was
+dnl first created and then 'corrected'..  removing /usr/include means system
+dnl GL and Xpm libs will dnl not be found on linux and probably other platforms
+dnl now.  We need to correct that first before removing /usr/include again.
+dnl see the various (ab)uses of WX_PATH_FIND_LIBRARIES below )
 dnl
 dnl Also try to put all directories which may contain X11R6 before those which
 dnl may contain X11R5/4 - we want to use R6 on machines which have both!
@@ -1372,7 +1575,6 @@ SEARCH_INCLUDE="\
     /usr/lpp/Xamples/include  \
                               \
     /usr/openwin/share/include \
-                               \
     /usr/include"
 
 SEARCH_LIB="`echo "$SEARCH_INCLUDE" | sed s/include/lib/g` "
@@ -1384,6 +1586,45 @@ dnl ------------------------------------------------------------------------
 dnl flush the cache because checking for libraries below might abort
 AC_CACHE_SAVE
 
+dnl check for glibc version
+dnl
+dnl VZ: I have no idea why had this check been there originally, but now
+dnl     we could probably do without it by just always adding _GNU_SOURCE
+if test "$USE_LINUX" = 1; then
+    AC_CACHE_CHECK([for glibc 2.1 or later], wx_cv_lib_glibc21,[
+        AC_TRY_COMPILE([#include <features.h>],
+            [
+                #if (__GLIBC__ < 2) || (__GLIBC_MINOR__ < 1)
+                    #error not glibc2.1
+                #endif
+            ],
+            [
+                wx_cv_lib_glibc21=yes
+            ],
+            [
+                wx_cv_lib_glibc21=no
+            ]
+        )
+    ])
+    if test "$wx_cv_lib_glibc21" = "yes"; then
+        AC_DEFINE(wxHAVE_GLIBC2)
+    fi
+fi
+
+dnl we may need _GNU_SOURCE for 2 things:
+dnl
+dnl  1. to get PTHREAD_MUTEX_RECURSIVE with glibc 2.1+ (strictly speaking we
+dnl  only need _XOPEN_SOURCE=500 but just defining this disables _BSD_SOURCE
+dnl  which breaks libtiff compilation, so it is simpler to just define
+dnl  _GNU_SOURCE to get everything)
+dnl
+dnl  2. for Unicode functions
+if test "x$wx_cv_lib_glibc21" = "xyes"; then
+    if test "$wxUSE_UNICODE" = "yes" -o "$wxUSE_THREADS" = "yes"; then
+        AC_DEFINE(_GNU_SOURCE)
+    fi
+fi
+
 dnl ---------------------------------------------------------------------------
 dnl Optional libraries
 dnl
@@ -1473,7 +1714,7 @@ PNG_INCLUDE=
 PNG_LINK=
 if test "$wxUSE_LIBPNG" != "no" ; then
     AC_DEFINE(wxUSE_LIBPNG)
-    
+
     if test "$wxUSE_MGL" = 1 -a "$wxUSE_LIBPNG" = "builtin" ; then
         AC_MSG_WARN([wxMGL doesn't work with builtin png library, will use MGL one instead])
         wxUSE_LIBPNG=sys
@@ -1674,6 +1915,16 @@ if test "$USE_WIN32" = 1 ; then
     RESPROGRAMOBJ="\$(PROGRAM)_resources.o"
 fi
 
+if test "$USE_DARWIN" = 1; then
+    dnl Mac OS X/Darwin GCC uses precompiled headers by default
+    dnl this can cause problems both when compiling wxMac and wxBase
+    if test "$wxUSE_PRECOMP" = "yes"; then
+        CPPFLAGS="$CPPFLAGS -cpp-precomp"
+    else
+        CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
+    fi
+fi
+
 if test "$wxUSE_GUI" = "yes"; then
     USE_GUI=1
 
@@ -1762,6 +2013,21 @@ equivalent variable and GTK+ is version 1.2.3 or above.
                     ;;
         esac
 
+        if test "$WXGTK20" = 1; then
+            if test "$wxUSE_PRINTING_ARCHITECTURE" = "yes" ; then
+                PKG_CHECK_MODULES(PANGOFT2, pangoft2,
+                    [
+                        CXXFLAGS="$CXXFLAGS $PANGOFT2_CFLAGS"
+                        LIBS="$LIBS $PANGOFT2_LIBS"
+                    ],
+                    [
+                        AC_MSG_WARN([pangoft2 library not found, library will be compiled without printing support])
+                        wxUSE_PRINTING_ARCHITECTURE="no"
+                    ]
+                )
+            fi
+        fi
+
         TOOLKIT_INCLUDE="$wx_cv_cflags_gtk"
         GUI_TK_LIBRARY="$wx_cv_libs_gtk"
 
@@ -1812,6 +2078,8 @@ equivalent variable and GTK+ is version 1.2.3 or above.
             fi
         fi
 
+        wxUSE_UNIVERSAL="yes"
+
         TOOLKIT_INCLUDE="-I$MGL_ROOT/include"
         GUI_TK_LIBRARY="-L$MGL_ROOT/lib/$mgl_lib_type/$mgl_os -lmgl -lmglcpp -lpm"
 
@@ -1838,11 +2106,13 @@ equivalent variable and GTK+ is version 1.2.3 or above.
         TOOLKIT_INCLUDE="-I$MICROWINDOWS/include"
         GUI_TK_LIBRARY="-L$MICROWINDOWS/lib -lmwin -lmwengine -mwfonts -mwdrivers -mwinlib"
 
+        wxUSE_UNIVERSAL="yes"
+
         AFMINSTALL=afminstall
         TOOLKIT=MICROWIN
         GUIDIST=MICROWIN_DIST
-        
-        TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -D__WXUNIVERSAL__ -D__WXMSW__ -D__WIN95__ -D__WIN32__ -DMWIN -DMICROWIN_NOCONTROLS -DMICROWIN_TODO=1"
+
+        TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -D__WXMSW__ -D__WIN95__ -D__WIN32__ -DMWIN -DMICROWIN_NOCONTROLS -DMICROWIN_TODO=1"
     fi
 
     if test "$wxUSE_X11" = 1; then
@@ -1901,6 +2171,8 @@ equivalent variable and GTK+ is version 1.2.3 or above.
             )
         fi
 
+        wxUSE_UNIVERSAL="yes"
+
         if test "$wxUSE_NANOX" = "yes"; then
             TOOLKIT_INCLUDE="-I\$(top_srcdir)/include/wx/x11/nanox -I\$(MICROWIN)/src/include $TOOLKIT_INCLUDE"
             TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -D__NANOX__ -DMWPIXEL_FORMAT=MWPF_TRUECOLOR0888 -DHAVE_FILEIO -DHAVE_BMP_SUPPORT=1 -DHAVE_GIF_SUPPORT=1 -DHAVE_PNM_SUPPORT=1 -DHAVE_XPM_SUPPORT=1 -DLINUX=1 -DUNIX=1 -DUSE_EXPOSURE -DSCREEN_HEIGHT=480 -DSCREEN_WIDTH=640 -DSCREEN_DEPTH=4 -DX11=1"
@@ -1941,7 +2213,9 @@ equivalent variable and GTK+ is version 1.2.3 or above.
             mesa_link=" -lMesaGL"
             AC_MSG_RESULT(found at $ac_find_libraries)
         else
-            AC_MSG_ERROR(no)
+            mesa_link=""
+            AC_MSG_RESULT(no)
+            AC_MSG_WARN(library will be compiled without Mesa support)
         fi
 
         GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lwine$mesa_link$xpm_link -lXxf86dga -lXxf86vm -lSM -lICE -lXext -lXmu -lX11 -lncurses"
@@ -1967,7 +2241,9 @@ equivalent variable and GTK+ is version 1.2.3 or above.
         AC_MSG_CHECKING(for Motif/Lesstif headers)
         WX_PATH_FIND_INCLUDES($SEARCH_INCLUDE, Xm/Xm.h)
         if test "$ac_find_includes" != "" ; then
-            AC_MSG_RESULT(found $ac_find_includes)
+            AC_MSG_RESULT(found in $ac_find_includes)
+            WX_INCLUDE_PATH_EXIST($ac_find_includes, $TOOLKIT_INCLUDE)
+            TOOLKIT_INCLUDE="$TOOLKIT_INCLUDE$ac_path_to_include"
         else
             AC_TRY_COMPILE(
                 [
@@ -1992,16 +2268,17 @@ equivalent variable and GTK+ is version 1.2.3 or above.
             AC_MSG_CHECKING(for Motif/Lesstif library)
             WX_PATH_FIND_LIBRARIES($SEARCH_LIB, Xm)
             if test "$ac_find_libraries" != "" ; then
-                WX_INCLUDE_PATH_EXIST($ac_find_includes, $TOOLKIT_INCLUDE)
-                WX_LINK_PATH_EXIST($ac_find_libraries, $GUI_TK_LIBRARY)
+                AC_MSG_RESULT(found at $ac_find_libraries)
 
+                WX_LINK_PATH_EXIST($ac_find_libraries, $GUI_TK_LIBRARY)
                 GUI_TK_LIBRARY="$GUI_TK_LIBRARY$ac_path_to_link"
-                TOOLKIT_INCLUDE="$TOOLKIT_INCLUDE$ac_path_to_include"
-                AC_MSG_RESULT(found at $ac_find_libraries)
             else
-                dnl it might happen that we found headers in one of the standard
-                dnl paths but the libs are elsewhere - we do need to try to
-                dnl compile a sample program then here
+                dnl it might happen that we found headers in one of the
+                dnl standard paths but the libs are elsewhere - we do need to
+                dnl try to compile a sample program then here
+                save_CFLAGS=$CFLAGS
+                CFLAGS="$CFLAGS $TOOLKIT_INCLUDE"
+
                 AC_TRY_COMPILE(
                     [
                         #include <Xm/Xm.h>
@@ -2019,6 +2296,8 @@ equivalent variable and GTK+ is version 1.2.3 or above.
                         AC_MSG_ERROR(please set LDFLAGS to contain the location of libXm)
                     ]
                 )
+
+                CFLAGS=$save_CFLAGS
             fi
         fi
 
@@ -2028,10 +2307,14 @@ equivalent variable and GTK+ is version 1.2.3 or above.
         if test "$ac_find_libraries" != "" ; then
             WX_LINK_PATH_EXIST($ac_find_libraries,$GUI_TK_LIBRARY)
             GUI_TK_LIBRARY="$GUI_TK_LIBRARY$ac_path_to_link"
+
             xpm_link=" -lXpm"
             AC_DEFINE(wxHAVE_LIB_XPM)
             AC_MSG_RESULT(found at $ac_find_libraries)
         else
+            save_CFLAGS=$CFLAGS
+            CFLAGS="$CFLAGS $TOOLKIT_INCLUDE"
+
             AC_TRY_COMPILE(
                 [
                     #include <X11/xpm.h>
@@ -2051,21 +2334,63 @@ equivalent variable and GTK+ is version 1.2.3 or above.
                     AC_MSG_WARN(library will be compiled without support for images in XPM format)
                 ]
             )
+
+            CFLAGS=$save_CFLAGS
         fi
 
-        GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lXm$xpm_link -lXmu -lXext -lXt -lX11"
+        AC_MSG_CHECKING([if we need -lXp and/or -lSM -lICE])
+        libp_link=""
+        libsm_ice_link=""
+        libs_found=0
+        for libp in "" " -lXp"; do
+            if test "$libs_found" = "0"; then
+                for libsm_ice in " -lSM -lICE"; do
+                    if test "$libs_found" = "0"; then
+                        save_LIBS="$LIBS"
+                        LIBS="$GUI_TK_LIBRARY -lXm${xpm_link} ${libp} -lXmu -lXext -lXt${libsm_ice} -lX11"
+                        save_CFLAGS=$CFLAGS
+                        CFLAGS="$CFLAGS $TOOLKIT_INCLUDE"
+
+                        AC_TRY_LINK(
+                            [
+                                #include <Xm/Xm.h>
+                                #include <Xm/List.h>
+                            ],
+                            [
+                                XmString string = NULL;
+                                Widget w = NULL;
+                                int position = 0;
+                                XmListAddItem(w, string, position);
+                            ],
+                            [
+                                libp_link="$libp"
+                                libsm_ice_link="$libsm_ice"
+                                AC_MSG_RESULT(
+                                    [need${libp_link}${libsm_ice_link}])
+                                libs_found=1
+                            ], []
+                        )
+
+                        LIBS="$save_LIBS"
+                        CFLAGS=$save_CFLAGS
+                    fi
+                done
+            fi
+        done
+
+        if test "$libs_found" = "0"; then
+            AC_MSG_RESULT([can't find the right libraries])
+            AC_MSG_ERROR([can't link a simple motif program])
+        fi
+
+        GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lXm$xpm_link${libp_link} -lXmu -lXext -lXt${libsm_ice_link} -lX11"
         TOOLKIT_VPATH="\${top_srcdir}/src/motif${PATH_IFS}\${top_srcdir}/src/motif/xmcombo"
         TOOLKIT=MOTIF
         GUIDIST=MOTIF_DIST
     fi
 
     if test "$wxUSE_MAC" = 1; then
-        if test "$wxUSE_PRECOMP" = "yes"; then
-            CPPFLAGS="$CPPFLAGS -cpp-precomp"
-        fi
-        CPPFLAGS="$CPPFLAGS -I/Developer/Headers/FlatCarbon -I\${top_srcdir}/src/mac/morefile"
-        CFLAGS="$CFLAGS -fpascal-strings"
-        CXXFLAGS="$CXXFLAGS -fpascal-strings"
+        CPPFLAGS="$CPPFLAGS -fpascal-strings -I\${top_srcdir}/src/mac/morefile -I/Developer/Headers/FlatCarbon"
 
         TOOLKIT_VPATH="\${top_srcdir}/src/mac${PATH_IFS}\${top_srcdir}/src/mac/morefile"
         TOOLKIT=MAC
@@ -2183,11 +2508,13 @@ fi
 dnl ---------------------------------------------------------------------------
 dnl OpenGL libraries
 dnl ---------------------------------------------------------------------------
+
 if test "$wxUSE_OPENGL" = "yes"; then
     if test "$wxUSE_MAC" = 1; then
         OPENGL_LIBS="-framework OpenGL -framework AGL"
+    elif test "$wxUSE_MSW" = 1; then
+        OPENGL_LIBS="-lopengl32 -lglu32"
     else
-
         AC_CHECK_HEADER(GL/gl.h,
             [
                 AC_MSG_CHECKING([for -lGL])
@@ -2216,26 +2543,6 @@ if test "$wxUSE_OPENGL" = "yes"; then
                 fi
             ])
 
-    dnl check for OpenGL libs availability first
-    dnl -lGL requires -lm with soem OpenGL versions
-
-#    AC_CHECK_HEADER(GL/gl.h,
-#        [
-#            AC_CHECK_LIB(GL, glFlush,
-#                [
-#                    OPENGL_LIBS="-lGL -lGLU"
-#                ],
-#                [
-#                    AC_CHECK_LIB(MesaGL, glFlush,
-#                        [
-#                            OPENGL_LIBS="-lMesaGL -lMesaGLU"
-#                        ],
-#                        [],
-#                        [-lm])
-#                ],
-#                [-lm])
-#        ])
-
         if test "x$OPENGL_LIBS" = "x"; then
             dnl it should be an error and not a warning because OpenGL is not on
             dnl by default and so if it had been explicitely requested, we
@@ -2301,7 +2608,7 @@ case "${host}" in
 
         dnl FIXME: is this GL stuff actually even used for wxMSW?  should it be??
 
-        if test "$cross_compiling" != "yes"; then
+        if test "$cross_compiling" != "yes" -a "$TOOLKIT_DIR" = "msw"; then
             WX_LIBRARY="wxmsw${WX_MSW_VERSION}${lib_unicode_suffix}${lib_debug_suffix}"
             WX_LIBRARY_GL="wxmsw_gl${WX_MSW_VERSION}${lib_unicode_suffix}${lib_debug_suffix}"
             WX_LIBRARY_NAME_SHARED="${WX_LIBRARY}.${SO_SUFFIX}"
@@ -2317,7 +2624,7 @@ case "${host}" in
         dnl dynamic shared libraries (in order to embed the resources)
         if test "$wxUSE_MAC" = 1; then
             dnl the name of the resources file for wxMac
-            WX_RESOURCES_MACOSX_ASCII="lib${WX_LIBRARY}.r" 
+            WX_RESOURCES_MACOSX_ASCII="lib${WX_LIBRARY}.r"
             WX_RESOURCES_MACOSX_DATA="lib${WX_LIBRARY}.rsrc"
         fi
         ;;
@@ -2373,8 +2680,9 @@ if test "$wxUSE_SHARED" = "yes"; then
     case "${host}" in
       *-hp-hpux* )
         dnl default settings are good for gcc but not for the native HP-UX
-        if test "$GCC" == "yes"; then
-            SHARED_LD="${SHARED_LD} ${PIC_FLAG}"
+        if test "$GCC" = "yes"; then
+            dnl -o flag must be after PIC flag
+            SHARED_LD="${CXX} -shared ${PIC_FLAG} -o"
         else
             dnl no idea why it wants it, but it does
             LDFLAGS="$LDFLAGS -L/usr/lib"
@@ -2435,21 +2743,26 @@ if test "$wxUSE_SHARED" = "yes"; then
       *-*-darwin* )
         dnl For Unix to MacOS X porting instructions, see:
         dnl http://fink.sourceforge.net/doc/porting/porting.html
-        CFLAGS="$CFLAGS -fno-common -DWXMAKINGDLL"
-        CXXFLAGS="$CXXFLAGS -fno-common -DWXMAKINGDLL"
-        dnl Executables must necessarily fully bind the wxWindows library at
-        dnl program launch otherwise lazy binding breaks RTTI class info
-        LDFLAGS_EXE="$LDFLAGS_EXE -Wl,-bind_at_load"
-        dnl The initialization routine doesn't seem useful with lazy linking solved
-        dnl SHARED_LD="$CXX -dynamiclib -init _wxWindowsDylibInit -o"
-        SHARED_LD="\${top_srcdir}/distrib/mac/shared-ld-sh -o"
+        TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -DWXMAKINGDLL"
+        CFLAGS="$CFLAGS -fno-common"
+        CXXFLAGS="$CXXFLAGS -fno-common"
+        dnl wxWindows must be fully binded (lazy binding breaks RTTI classinfo)
+        dnl this can be done either with the exe linker flag -Wl,-bind_at_load
+        dnl or with a double stage link in order to create a single module
+        dnl "-init _wxWindowsDylibInit" not useful with lazy linking solved
+        SHARED_LD="\${top_srcdir}/distrib/mac/shared-ld-sh -undefined suppress -flat_namespace -o"
         PIC_FLAG="-dynamic -fPIC"
         SONAME_FLAGS="-compatibility_version ${WX_RELEASE} -current_version ${WX_VERSION}"
         SONAME_FLAGS_GL=${SONAME_FLAGS}
       ;;
 
       *-*-aix* )
-        SHARED_LD="/usr/lpp/xlC/bin/makeC++SharedLib -p 0 -o"
+        dnl the abs path below used to be hardcoded here so I guess it must
+        dnl be some sort of standard location under AIX?
+        AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib,
+                      makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib)
+
+        SHARED_LD="$(AIX_CXX_LD) -p 0 -o"
       ;;
 
       *-*-cygwin* | *-*-mingw32* )
@@ -2525,6 +2838,12 @@ if test "$wxUSE_SHARED" = "no"; then
 
     WX_TARGET_LIBRARY_TYPE="a"
     INSTALL_LIBRARY='$(INSTALL_DATA)'
+
+    dnl wx-config should assume the --static flag by default if we don't have
+    dnl any shared libs anyhow
+    STATIC_FLAG="yes"
+else
+    STATIC_FLAG="no"
 fi
 
 if test "$wxUSE_MAC" = 1; then
@@ -2550,49 +2869,6 @@ else
     fi
 fi
 
-dnl ------------------------------------------------------------------------
-dnl Check for headers
-dnl ------------------------------------------------------------------------
-
-dnl test for strings.h needed under AIX, but do not check for it wxMac as
-dnl it exists but is only a simple redirection to string.h and it is in
-dnl conflict with Strings.h in FlatCarbon headers
-if test "$wxUSE_MAC" != 1; then
-  dnl defines HAVE_STRINGS_H
-  AC_CHECK_HEADERS(strings.h)
-fi
-
-dnl defines HAVE_STDLIB_H
-AC_CHECK_HEADERS(stdlib.h)
-dnl defines HAVE_MALLOC_H
-AC_CHECK_HEADERS(malloc.h)
-dnl defines HAVE_UNISTD_H
-AC_CHECK_HEADERS(unistd.h)
-dnl defines HAVE_WCHAR_H
-AC_CHECK_HEADERS(wchar.h)
-
-dnl maybe wchar_t is in wcstr.h if we don't have wchar.h?
-if test "$ac_cv_header_wchar_h" != "yes"; then
-    dnl defines HAVE_WCSTR_H
-    AC_CHECK_HEADERS(wcstr.h)
-fi
-
-dnl checking for wctype.h is useless as we need wcslen(), not just wchar_t and
-dnl this function is never provided by it
-dnl AC_CHECK_HEADERS(wctype.h)
-
-dnl defines HAVE_FNMATCH_H
-AC_CHECK_HEADERS(fnmatch.h)
-dnl defines HAVE_LANGINFO_H (GNU libc locale parameters)
-AC_CHECK_HEADERS(langinfo.h)
-
-if test "$wxUSE_GUI" = "yes"; then
-    if test "$wxUSE_UNIX" = "yes"; then
-        dnl defines HAVE_X11_XKBLIB_H
-        AC_CHECK_HEADERS(X11/XKBlib.h)
-    fi
-fi
-
 dnl ---------------------------------------------------------------------------
 dnl Checks for typedefs
 dnl ---------------------------------------------------------------------------
@@ -2608,37 +2884,6 @@ AC_TYPE_SIZE_T
 dnl   defines uid_t and gid_t if not already defined
 AC_TYPE_UID_T
 
-dnl   check for wchar_t
-dnl   Mac OS X does not provide wchar.h and wchar_t is defined by stdlib.h (GD)
-dnl   on Cygwin wchar.h needs stddef.h to be #included by hand
-AC_CACHE_CHECK([for wchar_t], wx_cv_type_wchar_t,
-[
-    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
-        ],
-        [
-            wchar_t wc, *ws;
-            wc = L'a';
-            ws = L"Hello, world!";
-        ],
-        wx_cv_type_wchar_t=yes,
-        wx_cv_type_wchar_t=no
-    )
-])
-
-if test "$wx_cv_type_wchar_t" = "yes"; then
-    AC_DEFINE(wxUSE_WCHAR_T)
-fi
-
 dnl check what exactly size_t is on this machine - this is necessary to avoid
 dnl ambiguos overloads in several places, notably wx/string.h and wx/array.h
 AC_LANG_SAVE
@@ -2716,208 +2961,58 @@ if test "$wx_cv_struct_pw_gecos" = "yes"; then
     AC_DEFINE(HAVE_PW_GECOS)
 fi
 
-dnl ---------------------------------------------------------------------------
-dnl Checks for compiler characteristics
-dnl ---------------------------------------------------------------------------
-
-dnl defines const to be empty if c-compiler does not support const fully
-AC_C_CONST
-dnl defines inline to a sensible value for the c-compiler
-AC_C_INLINE
-
-dnl check the sizes of integral types (give some reasonable default values for
-dnl cross-compiling)
-dnl   defines the size of certain types of variables in SIZEOF_<TYPE>
-AC_CHECK_SIZEOF(char, 1)
-AC_CHECK_SIZEOF(short, 2)
-AC_CHECK_SIZEOF(void *, 4)
-AC_CHECK_SIZEOF(int, 4)
-AC_CHECK_SIZEOF(long, 4)
-
-case "${host}" in
-    arm-*-linux* )
-        AC_CHECK_SIZEOF(long long, 8)
-    ;;
-    * )
-        AC_CHECK_SIZEOF(long long, 0)
-esac
-
-
-dnl we have to do it ourselves because SGI/Irix's stdio.h does not include
-dnl wchar_t and AC_CHECK_SIZEOF only includes stdio.h
-dnl Mac OS X does not provide wchar.h and wchar_t is defined by stdlib.h (GD)
-AC_CACHE_CHECK([size of wchar_t], wx_cv_sizeof_wchar_t,
-[
-    AC_TRY_RUN(
-        [
-            #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>
-            int main()
-            {
-                FILE *f=fopen("conftestval", "w");
-                if (!f) exit(1);
-                fprintf(f, "%i", sizeof(wchar_t));
-                exit(0);
-            }
-        ],
-        wx_cv_sizeof_wchar_t=`cat conftestval`,
-        wx_cv_sizeof_wchar_t=0,
-        wx_cv_sizeof_wchar_t=4
-    )
-])
-
-AC_DEFINE_UNQUOTED(SIZEOF_WCHAR_T, $wx_cv_sizeof_wchar_t)
-
-dnl for bytesex stuff (don't use AC_C_BIGENDIAN to allow cross-compiling)
-WX_C_BIGENDIAN
-
-dnl check for iostream (as opposed to iostream.h) standard header
-WX_CPP_NEW_HEADERS(, AC_DEFINE(wxUSE_IOSTREAMH))
-
-dnl check whether C++ compiler supports bool built-in type
-WX_CPP_BOOL
-
 dnl ---------------------------------------------------------------------------
 dnl Check for functions
 dnl ---------------------------------------------------------------------------
 
-dnl check for wcslen
-AC_CHECK_LIB(c, wcslen, [
-            AC_DEFINE(HAVE_WCSLEN)
-            WCHAR_LINK=
-        ], [
-            AC_CHECK_LIB(w, wcslen, [
-                AC_DEFINE(HAVE_WCSLEN)
-                WCHAR_LINK=" -lw"
-            ], [
-                AC_CHECK_LIB(msvcrt, wcslen, [
-                    AC_DEFINE(HAVE_WCSLEN)
-                    WCHAR_LINK=
-                ])
-            ])
-        ])
-
-dnl use wcsrtombs instead of wcstombs which is buggy in old GNU libc versions
-dnl if possible
-AC_CHECK_FUNCS(wcsrtombs)
+dnl don't check for wchar_t functions if we haven't got wchar_t itself
+if test "$wx_cv_sizeof_wchar_t" != "0"; then
+    AC_DEFINE(wxUSE_WCHAR_T)
 
-dnl check for vprintf/vsprintf() which are GNU extensions
-AC_FUNC_VPRINTF
+    dnl check for wcslen in all possible places
+    WCSLEN_FOUND=0
+    WCHAR_LINK=
+    AC_CHECK_FUNCS(wcslen, WCSLEN_FOUND=1)
 
-dnl check for vsscanf() and vsnprintf() - on some platforms (Linux, glibc
-dnl 2.1.1 for the first one, HP-UX for the second) it's available in the
-dnl library but the prototype is missing, so we can't use AC_CHECK_FUNCS() here,
-dnl do it manually. We can't use AC_TRY_COMPILE(), either, because it doesn't
-dnl check if the symbol is available at linking time
+    if test "$WCSLEN_FOUND" = 0; then
+        if test "$TOOLKIT" = "MSW"; then
+            AC_CHECK_LIB(msvcrt, wcslen, WCHAR_OK=1)
+        else
+            AC_CHECK_LIB(w, wcslen, [
+                            WCHAR_LINK=" -lw"
+                            WCSLEN_FOUND=1
+                        ])
+        fi
+    fi
 
-dnl we use AC_TRY_LINK() here instead of AC_TRY_RUN() to make the checks
-dnl work for cross-compilation, but AC_TRY_LINK() normally only compiles
-dnl one function while we need at least 2 - hence the ugly hack below. To
-dnl understand why it works, remember that AC_TRY_LINK() just prepends
-dnl "int main() {" in the beginning of the code and "; return 0; }" at the
-dnl end...
+    if test "$WCSLEN_FOUND" = 1; then
+        AC_DEFINE(HAVE_WCSLEN)
+    fi
 
-dnl if we fail to find vsnprintf, also try for _vsnprintf as that is what
-dnl we'll find under MSW if it exists.
+    dnl try to use wcsrtombs instead of wcstombs which is buggy in old GNU
+    dnl libc versions if possible
+    AC_CHECK_FUNCS(wcsrtombs)
+else
+    AC_MSG_WARN([Wide character support is unavailable])
+fi
 
-dnl final note: AC_TRY_LINK will only be executed if there is nothing in
-dnl the cache so we have to do AC_DEFINE(HAVE_VSNPRINTF) below and not inside
-dnl it or the symbol wouldn't be defined for the 2nd and subsequent configure
-dnl runs
+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_SAVE
+AC_LANG_CPLUSPLUS
 
-dnl check for vsnprintf() - a safe version of vsprintf()
-AC_CACHE_CHECK([for vsnprintf], wx_cv_func_vsnprintf,
-[
-  AC_TRY_LINK([
-                    #include <stdio.h>
-                    #include <stdarg.h>
-                 ], [
-                    int wx_test_vsnprintf(const char *, ...);
-
-                    wx_test_vsnprintf("%s");
-                    return 0;
-                 }
-
-                 int wx_test_vsnprintf(const char *fmt, ...)
-                 {
-                    char *s;
-
-                    va_list argp;
-                    va_start(argp, fmt);
-                    vsnprintf(s, 42, fmt, argp);
-                    va_end(argp);
-                 ], [
-                    wx_cv_func_vsnprintf=yes
-                 ], [
-                    AC_TRY_LINK([
-                                      #include <stdio.h>
-                                      #include <stdarg.h>
-                                   ], [
-                                      int wx_test_vsnprintf(const char *, ...);
-
-                                      wx_test_vsnprintf("%s");
-                                      return 0;
-                                   }
-
-                                   int wx_test_vsnprintf(const char *fmt, ...)
-                                   {
-                                      char *s;
-
-                                      va_list argp;
-                                      va_start(argp, fmt);
-                                      _vsnprintf(s, 42, fmt, argp);
-                                      va_end(argp);
-                                   ], [
-                                      wx_cv_func_vsnprintf=yes
-                                   ], [
-                                      wx_cv_func_vsnprintf=no
-                                   ])
-                 ])
-])
+dnl check for vsnprintf() -- a safe version of vsprintf())
+AC_CHECK_FUNCS(vsnprintf)
 
-if test "$wx_cv_func_vsnprintf" = yes; then
-    AC_DEFINE(HAVE_VSNPRINTF)
-else
-    AC_MSG_WARN(unsafe function vsprintf will be used instead of vsnprintf)
+if test "$wxUSE_UNICODE" = yes; then
+    dnl also look if we have wide char IO functions
+    AC_CHECK_FUNCS(fputwc wprintf vswprintf)
 fi
 
-dnl check for vsscanf()
-AC_CACHE_CHECK([for vsscanf], wx_cv_func_vsscanf,
-[
-  AC_TRY_COMPILE([
-                    #include <stdio.h>
-                    #include <stdarg.h>
-                ], [
-                    int wx_test_vsscanf(const char *, ...);
-
-                    wx_test_vsscanf("%d");
-                    return 0;
-                }
-
-                int wx_test_vsscanf(const char *fmt, ...)
-                {
-                    va_list argp;
-                    va_start(argp, fmt);
-                    vsscanf("42", fmt, argp);
-                    va_end(argp);
-                ], [
-                    wx_cv_func_vsscanf=yes
-                ], [
-                    wx_cv_func_vsscanf=no
-                ])
-])
+AC_LANG_RESTORE
+
 
-if test "$wx_cv_func_vsscanf" = yes; then
-    AC_DEFINE(HAVE_VSSCANF)
-fi
 
 dnl the following tests are for Unix(like) systems only
 if test "$TOOLKIT" != "MSW"; then
@@ -2964,9 +3059,6 @@ if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes" -a "$wxUSE_UNIX" = "yes"; then
     fi
 fi
 
-dnl check for vfork() (even if it's the same as fork() in modern Unices)
-AC_CHECK_FUNCS(vfork)
-
 dnl check for the function for temp files creation
 AC_CHECK_FUNCS(mkstemp mktemp, break)
 
@@ -3057,7 +3149,7 @@ if test "$USE_BEOS" = 1; then
 fi
 
 if test "$USE_DARWIN" = 1; then
-    dnl Mac OS X has both nanosleep and usleep
+    dnl Mac OS X/Darwin has both nanosleep and usleep
     dnl but only usleep is defined in unistd.h
     AC_DEFINE(HAVE_USLEEP)
     HAVE_SOME_SLEEP_FUNC=1
@@ -3138,10 +3230,10 @@ dnl flush the cache
 AC_CACHE_SAVE
 
 dnl ---------------------------------------------------------------------------
-dnl thread support for Unix (always available under Win32)
+dnl thread support for Unix (for Win32 see past the next matching "else")
 dnl ---------------------------------------------------------------------------
 
-dnl under MSW we always have thread support
+dnl under MSW (except mingw32) we always have thread support
 CPP_MT_FLAG=
 if test "$TOOLKIT" != "MSW"; then
 
@@ -3195,8 +3287,9 @@ if test "$TOOLKIT" != "MSW"; then
                 dnl and finally the userland threads
                 THREAD_OPTS="-kthread lthread $THREAD_OPTS c_r"
                 ;;
-          *-*-darwin*)
+          *-*-darwin* | *-*-cygwin* )
                 dnl Darwin / Mac OS X just uses -lpthread tested below
+                dnl and so does Cygwin
                 THREAD_OPTS=""
                 ;;
           *-*-aix*)
@@ -3264,6 +3357,9 @@ if test "$TOOLKIT" != "MSW"; then
             *-aix* | *-freebsd*)
                 flag="-D_THREAD_SAFE"
                 ;;
+            *-hp-hpux* )
+                flag="-D_REENTRANT"
+                ;;
             *solaris* | alpha*-osf*)
                 flag="-D_REENTRANT"
                 ;;
@@ -3356,14 +3452,6 @@ if test "$TOOLKIT" != "MSW"; then
       dnl defined, we do it by directly assigned
       dnl PTHREAD_MUTEX_RECURSIVE_MUTEX_INITIALIZER_NP to attr
 
-      dnl we need _GNU_SOURCE to get PTHREAD_MUTEX_RECURSIVE with glibc 2.1+
-      dnl (strictly speaking we only need _XOPEN_SOURCE=500 but just defining
-      dnl this disables _BSD_SOURCE which breaks libtiff compilation, so it is
-      dnl simpler to just define _GNU_SOURCE to get everything)
-      if test "x$wx_lib_glibc21" = "xyes"; then
-          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
-      fi
-
       AC_CACHE_CHECK([for pthread_mutexattr_t], wx_cv_type_pthread_mutexattr_t,
       [
         AC_TRY_COMPILE([#include <pthread.h>],
@@ -3405,6 +3493,35 @@ if test "$TOOLKIT" != "MSW"; then
     fi
 
 dnl from if !MSW
+else
+    if test "$wxUSE_THREADS" = "yes" ; then
+      case "${host}" in
+        *-*-mingw32* )
+            dnl check if the compiler accepts -mthreads
+            AC_CACHE_CHECK([if compiler supports -mthreads],
+                wx_cv_cflags_mthread,
+                [
+                    CFLAGS_OLD="$CFLAGS"
+                    CFLAGS="$CFLAGS -mthreads"
+                    AC_TRY_COMPILE([], [],
+                        wx_cv_cflags_mthread=yes,
+                        wx_cv_cflags_mthread=no
+                    )
+                ]
+            )
+
+            if test "$wx_cv_cflags_mthread" = "yes"; then
+                dnl it does, use it
+                CXXFLAGS="$CXXFLAGS -mthreads"
+                TOOLCHAIN_DEFS="$TOOLCHAIN_DEFS -mthreads"
+                LDFLAGS="$LDFLAGS -mthreads"
+            else
+                dnl it doesn't
+                CFLAGS="$CFLAGS_OLD"
+            fi
+        ;;
+      esac
+    fi
 fi
 
 if test "$wxUSE_THREADS" = "yes"; then
@@ -3493,6 +3610,18 @@ if test "$GCC" = "yes" ; then
         # they had a reason, right??
         CODE_GEN_FLAGS="$CODE_GEN_FLAGS -fno-pcc-struct-return"
     fi
+
+    dnl Ian Brown <ian.brown@printsoft.de> reports that versions of gcc before
+    dnl 3.0 overflow the table of contents on rs6000 as they create an entry
+    dnl for each subroutine by default -- using the switch below only creates
+    dnl one entry per file instead at the price of minor performance penalty
+    dnl
+    dnl TODO: test for the gcc version here (how?)
+    case "${host}" in
+      powerpc*-*-aix* )
+        CODE_GEN_FLAGS="$CODE_GEN_FLAGS -mminimal-toc"
+        ;;
+    esac
 fi
 
 if test "$wxUSE_OPTIMISE" = "no" ; then
@@ -3695,6 +3824,7 @@ if test "$wxUSE_DATETIME" = "yes"; then
     AC_CHECK_FUNCS(strptime)
 
     dnl check for timezone variable
+    dnl   doesn't exist under Darwin / Mac OS X which uses tm_gmtoff instead
     AC_CACHE_CHECK(for timezone variable in <time.h>,
                    wx_cv_var_timezone,
                    [
@@ -3735,7 +3865,7 @@ if test "$wxUSE_DATETIME" = "yes"; then
                                             ],
                                             [
                                                 if test "$USE_DOS" = 0 ; then
-                                                    AC_MSG_ERROR(no timezone variable)
+                                                    AC_MSG_WARN(no timezone variable, will use tm_gmtoff instead)
                                                 fi
                                             ]
                                         )
@@ -3832,10 +3962,10 @@ dnl ------------------------------------------------------------------------
 dnl wxSocket
 dnl ------------------------------------------------------------------------
 
-dnl VZ: the GUI hooks wxSocket needs are not implemented yet in wxX11
+dnl VZ: the GUI hooks wxSocket needs are not implemented yet in wxMGL
 if test "$wxUSE_SOCKETS" = "yes"; then
-    if test "$TOOLKIT" = "X11"; then
-        AC_MSG_WARN([wxSocket not yet supported under X11... disabled])
+    if test "$wxUSE_MGL" = "1"; then
+        AC_MSG_WARN([wxSocket not yet supported under MGL... disabled])
         wxUSE_SOCKETS="no"
     fi
 fi
@@ -4042,7 +4172,7 @@ fi
 
 if test "$wxUSE_UNICODE" = "yes" ; then
   AC_DEFINE(wxUSE_UNICODE)
-  
+
   if test "$wxUSE_MSW" != 1; then
       wxUSE_UNICODE_MSLU=no
   fi
@@ -4098,15 +4228,17 @@ if test "$wxUSE_CONSTRAINTS" = "yes"; then
 fi
 
 if test "$wxUSE_MDI_ARCHITECTURE" = "yes"; then
-    if test "$wxUSE_UNIVERSAL" = "yes"; then
-        AC_MSG_WARN(MDI not yet supported for wxUniversal... disabled)
-        wxUSE_MDI_ARCHITECTURE=no
-    fi
 
-    if test "$wxUSE_MDI_ARCHITECTURE" = "yes"; then
-        AC_DEFINE(wxUSE_MDI_ARCHITECTURE)
-        SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS mdi"
-    fi
+dnl     There is now experimental generic MDI support
+dnl     if test "$wxUSE_UNIVERSAL" = "yes"; then
+dnl         AC_MSG_WARN(MDI not yet supported for wxUniversal... disabled)
+dnl         wxUSE_MDI_ARCHITECTURE=no
+dnl     fi
+
+   if test "$wxUSE_MDI_ARCHITECTURE" = "yes"; then
+       AC_DEFINE(wxUSE_MDI_ARCHITECTURE)
+       SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS mdi"
+   fi
 fi
 
 if test "$wxUSE_DOC_VIEW_ARCHITECTURE" = "yes" ; then
@@ -4171,13 +4303,24 @@ dnl check for ole headers and disable a few features requiring it if not
 dnl present (earlier versions of mingw32 don't have ole2.h)
 if test "$wxUSE_MSW" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
                           -o "$wxUSE_CLIPBOARD"     = "yes" \
+                          -o "$wxUSE_OLE"     = "yes" \
                           -o "$wxUSE_DRAG_AND_DROP" = "yes" \) ; then
     AC_CHECK_HEADERS(ole2.h)
 
     if test "$ac_cv_header_ole2_h" = "yes" ; then
         if test "$GCC" = yes ; then
+            AC_LANG_SAVE
+            AC_LANG_CPLUSPLUS
+
+            AC_MSG_CHECKING([if g++ requires -fvtable-thunks])
+            AC_TRY_COMPILE([#include <windows.h>
+                            #include <ole2.h>],
+                           [],
+                           [AC_MSG_RESULT(no)],
+                           [AC_MSG_RESULT(yes)
+                            CODE_GEN_FLAGS_CXX="$CODE_GEN_FLAGS_CXX -fvtable-thunks"])
+            AC_LANG_RESTORE
             ALL_OBJECTS="$ALL_OBJECTS \$(OLEOBJS)"
-            CODE_GEN_FLAGS_CXX="$CODE_GEN_FLAGS_CXX -fvtable-thunks"
             LIBS=" -lrpcrt4 -loleaut32 -lole32 -luuid$LIBS"
             AC_DEFINE(wxUSE_OLE)
 
@@ -4191,6 +4334,51 @@ if test "$wxUSE_MSW" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
         wxUSE_CLIPBOARD=no
         wxUSE_DRAG_AND_DROP=no
         wxUSE_DATAOBJ=no
+        wxUSE_OLE=no
+    fi
+
+    if test "$wxUSE_METAFILE" = "yes"; then
+        AC_DEFINE(wxUSE_METAFILE)
+
+        dnl this one should probably be made separately configurable
+        AC_DEFINE(wxUSE_ENH_METAFILE)
+    fi
+fi
+
+if test "$wxUSE_WINE" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
+                          -o "$wxUSE_CLIPBOARD"     = "yes" \
+                          -o "$wxUSE_OLE"     = "yes" \
+                          -o "$wxUSE_DRAG_AND_DROP" = "yes" \) ; then
+    AC_CHECK_HEADERS(ole2.h)
+
+    if test "$ac_cv_header_ole2_h" = "yes" ; then
+        if test "$GCC" = yes ; then
+            AC_LANG_SAVE
+            AC_LANG_CPLUSPLUS
+
+            AC_MSG_CHECKING([if g++ requires -fvtable-thunks])
+            AC_TRY_COMPILE([#include <windows.h>
+                            #include <ole2.h>],
+                           [],
+                           [AC_MSG_RESULT(no)],
+                           [AC_MSG_RESULT(yes)
+                            CODE_GEN_FLAGS_CXX="$CODE_GEN_FLAGS_CXX -fvtable-thunks"])
+            AC_LANG_RESTORE
+            ALL_OBJECTS="$ALL_OBJECTS \$(OLEOBJS)"
+            LIBS=" -lwine_uuid$LIBS"
+            AC_DEFINE(wxUSE_OLE)
+
+        fi
+
+        dnl for OLE clipboard and dnd
+        AC_DEFINE(wxUSE_DATAOBJ)
+    else
+        AC_MSG_WARN([Some features disabled because OLE headers not found])
+
+        wxUSE_CLIPBOARD=no
+        wxUSE_DRAG_AND_DROP=no
+        wxUSE_DATAOBJ=no
+        wxUSE_OLE=no
     fi
 
     if test "$wxUSE_METAFILE" = "yes"; then
@@ -4210,10 +4398,17 @@ if test "$wxUSE_IPC" = "yes"; then
 fi
 
 if test "$wxUSE_CLIPBOARD" = "yes"; then
-    AC_DEFINE(wxUSE_CLIPBOARD)
+    if test "$wxUSE_MGL" = 1; then
+        AC_MSG_WARN([Clipboard not yet supported under MGL... disabled])
+        wxUSE_CLIPBOARD=no
+    fi
 
-    dnl required by clipboard code in configuration check
-    AC_DEFINE(wxUSE_DATAOBJ)
+    if test "$wxUSE_CLIPBOARD" = "yes"; then
+        AC_DEFINE(wxUSE_CLIPBOARD)
+
+        dnl required by clipboard code in configuration check
+        AC_DEFINE(wxUSE_DATAOBJ)
+    fi
 fi
 
 if test "$wxUSE_DRAG_AND_DROP" = "yes" ; then
@@ -4234,6 +4429,11 @@ if test "$wxUSE_DRAG_AND_DROP" = "yes" ; then
         wxUSE_DRAG_AND_DROP=no
     fi
 
+    if test "$wxUSE_MGL" = 1; then
+        AC_MSG_WARN([Drag and drop not yet supported under MGL... disabled])
+        wxUSE_DRAG_AND_DROP=no
+    fi
+
     if test "$wxUSE_DRAG_AND_DROP" = "yes"; then
         AC_DEFINE(wxUSE_DRAG_AND_DROP)
         SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS dnd"
@@ -4508,7 +4708,7 @@ if test "$wxUSE_POPUPWIN" = "yes"; then
         else
             if test "$wxUSE_PM" = 1; then
                 AC_MSG_WARN([wxPopupWindow not yet supported under PM... disabled])
-            else 
+            else
                 AC_DEFINE(wxUSE_POPUPWIN)
 
                 USES_CONTROLS=1
@@ -4520,7 +4720,7 @@ fi
 if test "$wxUSE_TIPWINDOW" = "yes"; then
     if test "$wxUSE_PM" = 1; then
         AC_MSG_WARN([wxTipWindow not yet supported under PM... disabled])
-    else 
+    else
         AC_DEFINE(wxUSE_TIPWINDOW)
     fi
 fi
@@ -4558,6 +4758,10 @@ fi
 
 if test "$wxUSE_SYSTEM_OPTIONS" = "yes"; then
     AC_DEFINE(wxUSE_SYSTEM_OPTIONS)
+if test "$TOOLKIT" = "MSW"; then
+    SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS taskbar"
+fi
+
 fi
 
 if test "$wxUSE_PROTOCOL" = "yes"; then
@@ -4769,7 +4973,7 @@ if test "$wxUSE_GUI" = "yes"; then
     dnl      ipc, mfc, nativdlg, oleauto, ownerdrw
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS artprov controls dialogs \
                      drawing dynamic erase event exec font image \
-                     minimal richedit rotate widgets"
+                     minimal propsize rotate widgets"
 
     dnl this is needed to be able to find AFM files
     CPPFLAGS="$CPPFLAGS \$(EXTRADEFS) \$(APPEXTRADEFS)"
@@ -4779,8 +4983,16 @@ fi
 
 
 dnl all -I options we must pass to the compiler
-INCLUDES="-I\${top_builddir}/lib/wx/include/${TOOLCHAIN_NAME} -I\${top_srcdir}/include \
-$REGEX_INCLUDE $ZLIB_INCLUDE $PNG_INCLUDE $JPEG_INCLUDE $TIFF_INCLUDE $TOOLKIT_INCLUDE"
+dnl
+dnl note that the order is somewhat important, in particular the ZLIB_INCLUDE
+dnl and other stuff for the built in libraries should come first to avoid
+dnl including the system headers with the same name (it is particularly
+dnl important for zlib because XFree 4.2.0 has its own, horribly old and
+dnl incompatible, zlib.h) and the wxWindows headers should come first anyhow
+INCLUDES="-I\${top_builddir}/lib/wx/include/${TOOLCHAIN_NAME} \
+-I\${top_srcdir}/include \
+$REGEX_INCLUDE $ZLIB_INCLUDE $PNG_INCLUDE $JPEG_INCLUDE $TIFF_INCLUDE \
+$TOOLKIT_INCLUDE"
 
 dnl wxGTK does not need TOOLKIT includes in wx-config
 if test "$wxUSE_GTK" = 1; then
@@ -4804,11 +5016,12 @@ if test "$GXX" = yes ; then
     fi
 fi
 
-EXTRA_CFLAGS="$WXDEBUG $WXODBCFLAG $PROFILE $OPTIMISE $INCLUDES"
+EXTRA_CFLAGS="$WXDEBUG $WXODBCFLAG $PROFILE $OPTIMISE"
 
 dnl remove the extra white space from the cc/c++/ld options
-CFLAGS=`echo $CFLAGS $EXTRA_CFLAGS $CXXWARNINGS | sed 's/ \\+/ /g'`
-CXXFLAGS=`echo $CXXFLAGS $EXTRA_CFLAGS $CXXWARNINGS | sed 's/ \+/ /g'`
+CPPFLAGS=`echo $INCLUDES $CPPFLAGS | sed 's/ \\+/ /g'`
+CFLAGS=`echo $EXTRA_CFLAGS $CFLAGS $CXXWARNINGS | sed 's/ \\+/ /g'`
+CXXFLAGS=`echo $EXTRA_CFLAGS $CXXFLAGS $CXXWARNINGS | sed 's/ \+/ /g'`
 LIBS=`echo $LIBS | sed 's/ \+/ /g'`
 
 LDFLAGS="$LDFLAGS $PROFILE"
@@ -4860,6 +5073,8 @@ AC_SUBST(SONAME_FLAGS_GL)
 AC_SUBST(WX_TARGET_LIBRARY_SONAME)
 AC_SUBST(WX_TARGET_LIBRARY_TYPE)
 
+AC_SUBST(STATIC_FLAG)
+
 dnl debugging options
 AC_SUBST(WXDEBUG_DEFINE)
 
@@ -4881,6 +5096,8 @@ AC_SUBST(WXCONFIG_LIBS_GL)
 AC_SUBST(WXCONFIG_LIBS_STATIC)
 AC_SUBST(WXCONFIG_LIBS_STATIC_GL)
 AC_SUBST(WXCONFIG_INCLUDE)
+AC_SUBST(WXCONFIG_RPATH)
+AC_SUBST(WX_LARGEFILE_FLAGS)
 
 dnl the list of files to compile/install
 AC_SUBST(ALL_OBJECTS)
@@ -4937,24 +5154,22 @@ fi
 
 AC_CONFIG_HEADER(setup.h:setup.h.in)
 
-dnl some more GUI only things
-if test "$wxUSE_GUI" = "yes"; then
-    dnl we need to pass SAMPLES_SUBDIRS (and some other) to the configure in
-    dnl samples and the only way to do it is, again, use the cache
-    wx_cv_path_samplesubdirs=$SAMPLES_SUBDIRS
-    wx_cv_if_gnu_make=$IF_GNU_MAKE
-    wx_cv_path_ifs=$PATH_IFS
-    wx_cv_program_ext=$PROGRAM_EXT
-    wx_cv_target_library=$WX_TARGET_LIBRARY
-    wx_cv_target_library_gl=$WX_TARGET_LIBRARY_GL
-    wx_cv_target_libtype=$WX_TARGET_LIBRARY_TYPE
-    dnl we need to export them because passing them through cache won't
-    dnl work when cache=/dev/null (which is default for autoconf 2.50)
-    export wx_cv_path_samplesubdirs wx_cv_if_gnu_make \
-           wx_cv_path_ifs wx_cv_program_ext \
-           wx_cv_target_library wx_cv_target_library_gl wx_cv_target_libtype
-    AC_CONFIG_SUBDIRS(demos samples utils contrib)
-fi
+dnl we need to pass SAMPLES_SUBDIRS (and some other) to the configure in
+dnl samples and the only way to do it is to use the environment (another
+dnl idea could have been to use the cache but this wouldn't work when
+dnl configure doesn't use cache at all which is the default with autoconf 2.50)
+wx_cv_path_samplesubdirs=$SAMPLES_SUBDIRS
+wx_cv_if_gnu_make=$IF_GNU_MAKE
+wx_cv_path_ifs=$PATH_IFS
+wx_cv_program_ext=$PROGRAM_EXT
+wx_cv_target_library=$WX_TARGET_LIBRARY
+wx_cv_target_library_gl=$WX_TARGET_LIBRARY_GL
+wx_cv_target_libtype=$WX_TARGET_LIBRARY_TYPE
+export wx_cv_path_samplesubdirs wx_cv_if_gnu_make \
+       wx_cv_path_ifs wx_cv_program_ext \
+       wx_cv_target_library wx_cv_target_library_gl wx_cv_target_libtype
+
+AC_CONFIG_SUBDIRS(demos samples utils contrib)
 
 dnl create each of the files in the space separated list from the file.in
 dnl (the original file name may be overriden by appending another name after a