]> git.saurik.com Git - wxWidgets.git/blobdiff - configure.in
Removed compilation warnings (mostly mismatches between the format string
[wxWidgets.git] / configure.in
index abbdc42985b5baa7348abc5d327eb77d9b8dd066..c1e6a71bbf207e47e100a19549481ce1f8bc43dd 100644 (file)
@@ -96,13 +96,10 @@ dnl _REENTRANT" and it's easier to just define this symbol for these platforms
 dnl than checking it during run-time
 NEEDS_D_REENTRANT_FOR_R_FUNCS=0
 
-dnl the additional define needed for MT programs
-CPP_MT_FLAG=-D_REENTRANT
-
 dnl the list of all available toolkits
 dnl
 dnl update NUM_TOOLKITS calculation below when adding a new toolkit here!
-ALL_TOOLKITS="GTK MAC MGL MICROWIN MOTIF MSW PM WINE"
+ALL_TOOLKITS="GTK MAC MGL MICROWIN MOTIF MSW PM WINE X11"
 
 dnl NB: these wxUSE_XXX constants have value of 0 or 1 unlike all the other ones
 dnl     which are either yes or no
@@ -114,6 +111,7 @@ DEFAULT_wxUSE_MOTIF=0
 DEFAULT_wxUSE_MSW=0
 DEFAULT_wxUSE_PM=0
 DEFAULT_wxUSE_WINE=0
+DEFAULT_wxUSE_X11=0
 
 dnl these are the values which are really default for the given platform -
 dnl they're not cached and are only used if no --with-toolkit was given *and*
@@ -126,6 +124,7 @@ DEFAULT_DEFAULT_wxUSE_MOTIF=0
 DEFAULT_DEFAULT_wxUSE_MSW=0
 DEFAULT_DEFAULT_wxUSE_PM=0
 DEFAULT_DEFAULT_wxUSE_WINE=0
+DEFAULT_DEFAULT_wxUSE_X11=0
 
 PROGRAM_EXT=
 SO_SUFFIX=so
@@ -181,7 +180,6 @@ case "${host}" in
   *-*-freebsd*)
     USE_BSD=1
     USE_FREEBSD=1
-    CPP_MT_FLAG=-D_THREAD_SAFE
     AC_DEFINE(__FREEBSD__)
     AC_DEFINE(__BSD__)
     DEFAULT_DEFAULT_wxUSE_GTK=1
@@ -226,6 +224,9 @@ case "${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__)
@@ -233,15 +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
@@ -253,20 +249,21 @@ case "${host}" in
     AC_DEFINE(__DOS__)
     PROGRAM_EXT=".exe"
     DEFAULT_DEFAULT_wxUSE_MGL=1
-    DEFAULT_DEFAULT_wxUSE_SHARED=0
+    dnl DJGPP needs explicit -lstdc++ for some reason (VS: mayb some versions only?)
+    LIBS="$LIBS -lstdc++"
   ;;
 
   *-pc-os2_emx | *-pc-os2-emx )
     AC_DEFINE(__EMX__)
     PROGRAM_EXT=".exe"
     DEFAULT_DEFAULT_wxUSE_PM=1
+    LIBS="$LIBS -lstdcpp"
   ;;
 
   powerpc-*-darwin* )
     dnl PowerPC Darwin based distributions (including Mac OS X)
     USE_BSD=1
     USE_DARWIN=1
-    CPP_MT_FLAG=
     SO_SUFFIX=dylib
     AC_DEFINE(__BSD__)
     AC_DEFINE(__DARWIN__)
@@ -284,33 +281,6 @@ 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 ---------------------------------------------------------------------------
@@ -329,6 +299,8 @@ DEBUG_CONFIGURE=0
 if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_UNIVERSAL=no
 
+  DEFAULT_wxUSE_NANOX=no
+
   DEFAULT_wxUSE_THREADS=yes
 
   DEFAULT_wxUSE_SHARED=yes
@@ -336,8 +308,8 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_OPTIMISE=no
   DEFAULT_wxUSE_PROFILE=no
   DEFAULT_wxUSE_NO_DEPS=no
-  DEFAULT_wxUSE_NO_RTTI=yes
-  DEFAULT_wxUSE_NO_EXCEPTIONS=yes
+  DEFAULT_wxUSE_NO_RTTI=no
+  DEFAULT_wxUSE_NO_EXCEPTIONS=no
   DEFAULT_wxUSE_PERMISSIVE=no
   DEFAULT_wxUSE_DEBUG_FLAG=yes
   DEFAULT_wxUSE_DEBUG_INFO=yes
@@ -362,7 +334,6 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_LIBJPEG=no
   DEFAULT_wxUSE_LIBTIFF=no
   DEFAULT_wxUSE_ODBC=no
-  DEFAULT_wxUSE_FREETYPE=no
   DEFAULT_wxUSE_OPENGL=no
 
   DEFAULT_wxUSE_ON_FATAL_EXCEPTION=no
@@ -421,7 +392,7 @@ 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
@@ -502,6 +473,8 @@ if test $DEBUG_CONFIGURE = 1; then
 else
   DEFAULT_wxUSE_UNIVERSAL=no
 
+  DEFAULT_wxUSE_NANOX=no
+
   DEFAULT_wxUSE_THREADS=yes
 
   DEFAULT_wxUSE_SHARED=yes
@@ -509,8 +482,8 @@ else
   DEFAULT_wxUSE_OPTIMISE=yes
   DEFAULT_wxUSE_PROFILE=no
   DEFAULT_wxUSE_NO_DEPS=no
-  DEFAULT_wxUSE_NO_RTTI=yes
-  DEFAULT_wxUSE_NO_EXCEPTIONS=yes
+  DEFAULT_wxUSE_NO_RTTI=no
+  DEFAULT_wxUSE_NO_EXCEPTIONS=no
   DEFAULT_wxUSE_PERMISSIVE=no
   DEFAULT_wxUSE_DEBUG_FLAG=no
   DEFAULT_wxUSE_DEBUG_INFO=no
@@ -534,7 +507,6 @@ else
   DEFAULT_wxUSE_LIBJPEG=yes
   DEFAULT_wxUSE_LIBTIFF=yes
   DEFAULT_wxUSE_ODBC=no
-  DEFAULT_wxUSE_FREETYPE=no
   DEFAULT_wxUSE_OPENGL=no
 
   DEFAULT_wxUSE_ON_FATAL_EXCEPTION=yes
@@ -558,7 +530,7 @@ else
   DEFAULT_wxUSE_DIALUP_MANAGER=yes
   DEFAULT_wxUSE_JOYSTICK=yes
   DEFAULT_wxUSE_DYNLIB_CLASS=yes
-  DEFAULT_wxUSE_DYNAMIC_LOADER=no
+  DEFAULT_wxUSE_DYNAMIC_LOADER=yes
   DEFAULT_wxUSE_LONGLONG=yes
   DEFAULT_wxUSE_GEOMETRY=yes
 
@@ -684,8 +656,8 @@ 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"
@@ -709,17 +681,18 @@ 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=1,wxUSE_GTK2=0)
+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)
 WX_ARG_SYS_WITH(libtiff,   [  --with-libtiff          use libtiff (TIFF file format)], wxUSE_LIBTIFF)
-WX_ARG_SYS_WITH(freetype,  [  --with-freetype         use freetype (font rasterizer)], wxUSE_FREETYPE)
 WX_ARG_WITH(opengl,        [  --with-opengl           use OpenGL (or Mesa)], wxUSE_OPENGL)
 
 fi
@@ -762,7 +735,14 @@ WX_ARG_ENABLE(permissive,    [  --enable-permissive     compile code disregardin
 WX_ARG_ENABLE(no_deps,       [  --enable-no_deps        create code without dependency information], wxUSE_NO_DEPS)
 
 WX_ARG_ENABLE(compat20,      [  --enable-compat20       enable wxWindows 2.0 compatibility], WXWIN_COMPATIBILITY_2)
-WX_ARG_ENABLE(compat22,      [  --enable-compat22       enable wxWindows 2.2 compatibility], WXWIN_COMPATIBILITY_2_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
@@ -1049,6 +1029,21 @@ WX_ARG_ENABLE(xpm,         [  --enable-xpm            use xpm images (XPM file f
 WX_ARG_ENABLE(ico_cur,     [  --enable-icocur         use Windows ICO and CUR formats], wxUSE_ICO_CUR)
 
 fi
+
+dnl General settings (needed for GUI and non-GUI compilations alike).
+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 ';')
+    LEX_STEM="lexyy"
+  ;;
+  *)
+    PATH_IFS=':'
+    LEX_STEM="lex.yy"
+  ;;
+esac
+
 dnl for GUI only
 
 dnl cache the options values before (may be) aborting below
@@ -1087,31 +1082,22 @@ if test "$wxUSE_GUI" = "yes"; then
     dnl we suppose that expr is available (maybe there is a better way to do
     dnl this? what about using ALL_TOOLKITS? TODO)
     NUM_TOOLKITS=`expr ${wxUSE_GTK:-0} + ${wxUSE_MOTIF:-0} + ${wxUSE_MAC:-0}  \
-                  + ${wxUSE_WINE:-0} + ${wxUSE_MSW:-0} + ${wxUSE_MGL:-0} + ${wxUSE_MICROWIN:-0}`
+                  + ${wxUSE_WINE:-0} + ${wxUSE_MSW:-0} + ${wxUSE_MGL:-0} + ${wxUSE_MICROWIN:-0} + ${wxUSE_X11:-0}`
 
     dnl Allow wxUSE_PM only for OS/2 with EMX.
-    dnl Path separator; ':' for unix.
-    dnl Stem for flex output; lexyy for OS/2, lex.yy otherwise
     case "${host}" in
       *-pc-os2_emx | *-pc-os2-emx )
-        # PATH_IFS is autodetected by OS/2's configure (usually ';')
         NUM_TOOLKITS=`expr ${NUM_TOOLKITS} + ${wxUSE_PM:-0}`
-        LEX_STEM="lexyy"
-      ;;
-      *)
-        PATH_IFS=':'
-        LEX_STEM="lex.yy"
-      ;;
     esac
 
     case "$NUM_TOOLKITS" in
       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
@@ -1131,10 +1117,53 @@ if test "$wxUSE_GUI" = "yes"; then
       fi
     done
 else
-    PATH_IFS=':'
     AC_MSG_RESULT(base ($host_alias hosted) only)
 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
+      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 "$USE_UNIX" = 1 ; then
+    wxUSE_UNIX=yes
+    AC_DEFINE(__UNIX__)
+fi
+
 dnl ---------------------------------------------------------------------------
 dnl Checks for programs
 dnl ---------------------------------------------------------------------------
@@ -1145,7 +1174,7 @@ AC_CACHE_SAVE
 dnl cross-compiling support: we're cross compiling if the build system is
 dnl different from the target one (assume host and target be always the same)
 if test "$build" != "$host" ; then
-    if test "$USE_WIN32" = 1 -o "$USE_DOS" = 1 ; then
+    if test "$USE_WIN32" = 1 -o "$USE_DOS" = 1 -o "$USE_UNIX"; then
         CC=$host_alias-gcc
         CXX=$host_alias-c++
         AR=$host_alias-ar
@@ -1165,10 +1194,13 @@ dnl   defines CC with the compiler to use
 dnl   defines GCC with yes if using gcc
 dnl   defines GCC empty if not using gcc
 dnl   defines CFLAGS
+dnl
+dnl this magic incantation is needed to prevent AC_PROG_CC from setting the
+dnl default CFLAGS (something like "-g -O2") - we don't need this as add
+dnl -g and -O flags ourselves below
+CFLAGS=${CFLAGS:=}
 AC_PROG_CC
 
-CFLAGS=`echo "$CFLAGS" | sed 's/-g//g'`
-
 dnl is -traditional needed for correct compilations
 dnl   adds -traditional for gcc if needed
 AC_PROG_GCC_TRADITIONAL
@@ -1181,10 +1213,11 @@ dnl   defines CXX with the compiler to use
 dnl   defines GXX with yes if using gxx
 dnl   defines GXX empty if not using gxx
 dnl   defines CXXFLAGS
+dnl
+dnl see CFLAGS line above
+CXXFLAGS=${CXXFLAGS:=}
 AC_PROG_CXX
 
-CXXFLAGS=`echo "$CXXFLAGS" | sed 's/-g//g'`
-
 AC_LANG_RESTORE
 
 dnl ranlib command
@@ -1198,6 +1231,16 @@ 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
@@ -1219,7 +1262,7 @@ dnl does make support "-include" (only GNU make does AFAIK)?
 AC_CACHE_CHECK([if make is GNU make], wx_cv_prog_makeisgnu,
 [
     if ( ${SHELL-sh} -c "${MAKE-make} --version" 2> /dev/null |
-            egrep -s GNU); then
+            egrep -s GNU > /dev/null); then
         wx_cv_prog_makeisgnu="yes"
     else
         wx_cv_prog_makeisgnu="no"
@@ -1287,6 +1330,124 @@ 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)
+    ;;
+    * )
+        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 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
@@ -1375,6 +1536,45 @@ 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 "$wxUSE_THREADS" = "yes"; then
+        AC_DEFINE(_GNU_SOURCE)
+    fi
+fi
+
 dnl ---------------------------------------------------------------------------
 dnl Optional libraries
 dnl
@@ -1464,7 +1664,7 @@ PNG_INCLUDE=
 PNG_LINK=
 if test "$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
@@ -1603,41 +1803,6 @@ if test "$wxUSE_LIBTIFF" != "no" ; then
     fi
 fi
 
-dnl ------------------------------------------------------------------------
-dnl Check for freetype library
-dnl ------------------------------------------------------------------------
-
-FREETYPE_INCLUDE=
-FREETYPE_LINK=
-if test "$wxUSE_FREETYPE" != "no" ; then
-    AC_DEFINE(wxUSE_FREETYPE)
-
-    if test "$wxUSE_FREETYPE" = "sys" -o "$wxUSE_FREETYPE" = "yes" ; then
-        AC_CHECK_HEADER(freetype.h,
-                        AC_CHECK_LIB(freetype, FT_Render_Glyph,
-                                     FREETYPE_LINK=" -lfreetype",
-                                     ,
-                                     [-lm])
-                       )
-
-        if test "x$FREETYPE_LINK" = "x" ; then
-            if test "$wxUSE_FREETYPE" = "sys" ; then
-                AC_MSG_ERROR([system freetype library not found! Use --with-freetype=builtin to use built-in version])
-            else
-                AC_MSG_WARN([system freetype library not found, will use built-in instead])
-                wxUSE_FREETYPE=builtin
-            fi
-        else
-            dnl we are using the system library
-            wxUSE_FREETYPE=sys
-        fi
-    fi
-
-    if test "$wxUSE_FREETYPE" = "builtin" ; then
-        FREETYPE_INCLUDE="-I\${top_srcdir}/src/freetype"
-    fi
-fi
-
 dnl ----------------------------------------------------------------
 dnl search for toolkit (widget sets)
 dnl ----------------------------------------------------------------
@@ -1742,7 +1907,7 @@ if test "$wxUSE_GUI" = "yes"; then
 
                 wx_cv_lib_gtk=
                 if test "x$wxUSE_GTK2" = "xyes"; then
-                    AM_PATH_GTK_2_0(1.3.1, wx_cv_lib_gtk=2.0, , $GTK_MODULES)
+                    AM_PATH_GTK_2_0(2.0.0, wx_cv_lib_gtk=2.0, , $GTK_MODULES)
                 fi
 
                 if test -z "$wx_cv_lib_gtk"; then
@@ -1788,6 +1953,21 @@ 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"
 
@@ -1838,6 +2018,8 @@ 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"
 
@@ -1864,11 +2046,84 @@ 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 "$wxUSE_X11" = 1; then
+        dnl use standard macros to check for X headers/libs, this brings support
+        dnl for the standard configure options --x-includes and --x-libraries
+        AC_PATH_XTRA
+
+        if test "$no_x" = "yes"; then
+          AC_MSG_ERROR(X11 not found, please use --x-includes and/or --x-libraries options)
+        fi
+
+        GUI_TK_LIBRARY="$X_LIBS"
+        TOOLKIT_INCLUDE="$X_CFLAGS"
+        AFMINSTALL=afminstall
+        COMPILED_X_PROGRAM=0
+
+        if test "$wxUSE_NANOX" = "yes"; then
+            AC_MSG_CHECKING(for MicroWindows/NanoX distribution)
+            if test "x$MICROWIN" = x ; then
+                AC_MSG_RESULT(not found)
+                AC_MSG_ERROR([Cannot find MicroWindows library. Make sure MICROWIN is set.])
+            else
+                AC_MSG_RESULT($MICROWIN)
+                AC_DEFINE(wxUSE_NANOX)
+            fi
+        fi
+
+        xpm_link=
+        AC_MSG_CHECKING(for Xpm library)
+        WX_PATH_FIND_LIBRARIES($SEARCH_LIB,Xpm)
+        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 $ac_find_libraries)
+        else
+            AC_TRY_COMPILE(
+                [
+                    #include <X11/xpm.h>
+                ],
+                [
+                    int version;
+                    version = XpmLibraryVersion();
+                ],
+                [
+                    xpm_link=" -lXpm"
+                    AC_DEFINE(wxHAVE_LIB_XPM)
+                    AC_MSG_RESULT(found in default search path)
+                    COMPILED_X_PROGRAM=0
+                ],
+                [
+                    AC_MSG_RESULT(no)
+                    AC_MSG_WARN(library will be compiled without support for images in XPM format)
+                ]
+            )
+        fi
+
+        wxUSE_UNIVERSAL="yes"
+
+        if test "$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"
+            GUI_TK_LIBRARY="$GUI_TK_LIBRARY \$(MICROWIN)/src/lib/libnano-X.a"
+        else
+            GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lX11$xpm_link"
+        fi
+
+        TOOLKIT_VPATH="\${top_srcdir}/src/x11"
+        TOOLKIT=X11
+        GUIDIST=X11_DIST
     fi
 
     if test "$wxUSE_WINE" = 1; then
@@ -1924,7 +2179,9 @@ equivalent variable and GTK+ is version 1.2.3 or above.
         AC_MSG_CHECKING(for Motif/Lesstif headers)
         WX_PATH_FIND_INCLUDES($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$ac_path_to_include"
         else
             AC_TRY_COMPILE(
                 [
@@ -1949,16 +2206,17 @@ equivalent variable and GTK+ is version 1.2.3 or above.
             AC_MSG_CHECKING(for Motif/Lesstif library)
             WX_PATH_FIND_LIBRARIES($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 $TOOLKIT_INCLUDE"
+
                 AC_TRY_COMPILE(
                     [
                         #include <Xm/Xm.h>
@@ -1976,6 +2234,8 @@ equivalent variable and GTK+ is version 1.2.3 or above.
                         AC_MSG_ERROR(please set LDFLAGS to contain the location of libXm)
                     ]
                 )
+
+                CFLAGS=$save_CFLAGS
             fi
         fi
 
@@ -1985,10 +2245,14 @@ 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 $TOOLKIT_INCLUDE"
+
             AC_TRY_COMPILE(
                 [
                     #include <X11/xpm.h>
@@ -2008,9 +2272,56 @@ equivalent variable and GTK+ is version 1.2.3 or above.
                     AC_MSG_WARN(library will be compiled without support for images in XPM format)
                 ]
             )
+
+            CFLAGS=$save_CFLAGS
+        fi
+
+        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 -lXmu -lXext -lXt -lX11"
+        GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lXm$xpm_link${libp_link} -lXmu -lXext -lXt${libsm_ice_link} -lX11"
         TOOLKIT_VPATH="\${top_srcdir}/src/motif${PATH_IFS}\${top_srcdir}/src/motif/xmcombo"
         TOOLKIT=MOTIF
         GUIDIST=MOTIF_DIST
@@ -2019,6 +2330,8 @@ equivalent variable and GTK+ is version 1.2.3 or above.
     if test "$wxUSE_MAC" = 1; then
         if test "$wxUSE_PRECOMP" = "yes"; then
             CPPFLAGS="$CPPFLAGS -cpp-precomp"
+        else
+            CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
         fi
         CPPFLAGS="$CPPFLAGS -I/Developer/Headers/FlatCarbon -I\${top_srcdir}/src/mac/morefile"
         CFLAGS="$CFLAGS -fpascal-strings"
@@ -2055,7 +2368,11 @@ equivalent variable and GTK+ is version 1.2.3 or above.
         ALL_HEADERS="\$(ALL_HEADERS) \${UNIV_HEADERS}"
 
         PORT_FILES="${PORT_FILES} \${top_srcdir}/src/univ/files.lst"
-        TOOLKIT_VPATH="\${top_srcdir}/src/univ${PATH_IFS}\${top_srcdir}/src/univ/themes${PATH_IFS}\${top_srcdir}/src/${TOOLKIT_DIR}"
+        if test "$wxUSE_X11" = 1; then
+            TOOLKIT_VPATH="\${top_srcdir}/src/${TOOLKIT_DIR}${PATH_IFS}\${top_srcdir}/src/univ${PATH_IFS}\${top_srcdir}/src/univ/themes"
+        else
+            TOOLKIT_VPATH="\${top_srcdir}/src/univ${PATH_IFS}\${top_srcdir}/src/univ/themes${PATH_IFS}\${top_srcdir}/src/${TOOLKIT_DIR}"
+        fi
         TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -D__WXUNIVERSAL__"
         WIDGET_SET=univ
     else
@@ -2083,9 +2400,6 @@ equivalent variable and GTK+ is version 1.2.3 or above.
     if test "$wxUSE_LIBPNG" = "builtin" ; then
         ALL_OBJECTS="${ALL_OBJECTS} \$(PNGOBJS)"
     fi
-    if test "$wxUSE_FREETYPE" = "builtin" ; then
-        ALL_OBJECTS="${ALL_OBJECTS} \$(FREETYPEOBJS)"
-    fi
 
     dnl distribute samples/demos/utils with GUI versions
     GUIDIST="${GUIDIST} SAMPLES_DIST DEMOS_DIST UTILS_DIST MISC_DIST"
@@ -2110,6 +2424,9 @@ else
         TOOLKIT_VPATH="\${top_srcdir}/src/unix"
     fi
 
+    ALL_SOURCES="\$(ALL_SOURCES)"
+    ALL_HEADERS="\$(ALL_HEADERS)"
+
     PORT_FILES="\${top_srcdir}/src/files.lst"
 
     dnl distribute only wxBase sources/headers
@@ -2136,11 +2453,13 @@ 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 "$wxUSE_MSW" = 1; then
+        OPENGL_LIBS="-lopengl32 -lglu32"
     else
-
         AC_CHECK_HEADER(GL/gl.h,
             [
                 AC_MSG_CHECKING([for -lGL])
@@ -2169,26 +2488,6 @@ if test "$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$OPENGL_LIBS" = "x"; then
             dnl it should be an error and not a warning because OpenGL is not on
             dnl by default and so if it had been explicitely requested, we
@@ -2245,10 +2544,6 @@ WX_LIBRARY_LINK2="lib${WX_LIBRARY}.${SO_SUFFIX}"
 WX_LIBRARY_LINK1_GL="lib${WX_LIBRARY_GL}.${SO_SUFFIX}.${WX_CURRENT}"
 WX_LIBRARY_LINK2_GL="lib${WX_LIBRARY_GL}.${SO_SUFFIX}"
 
-dnl the name of the resources file for wxMac
-WX_RESOURCES_MACOSX="lib${WX_LIBRARY}.rsrc"
-WX_RESOURCES_MACOSX_COMPILED="lib${WX_LIBRARY}.r"
-
 case "${host}" in
     *-*-cygwin* | *-*-mingw32* )
 
@@ -2258,7 +2553,7 @@ 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}.${SO_SUFFIX}"
@@ -2267,7 +2562,17 @@ case "${host}" in
             WX_LIBRARY_NAME_SHARED="lib${WX_LIBRARY}.${SO_SUFFIX}"
             WX_LIBRARY_NAME_SHARED_GL="lib${WX_LIBRARY_GL}.${SO_SUFFIX}"
         fi
+        ;;
 
+    *-*-darwin* )
+        dnl Under Mac OS X, we should build real frameworks instead of simple
+        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_DATA="lib${WX_LIBRARY}.rsrc"
+        fi
+        ;;
 esac
 
 dnl the name of the static library
@@ -2286,6 +2591,17 @@ fi
 
 dnl --- the marker for quick search, leave it here: SHARED_LIB_SETUP ---
 
+if test "$wxUSE_SHARED" = "yes"; then
+    case "${host}" in
+      *-pc-os2_emx | *-pc-os2-emx | \
+      *-pc-msdosdjgpp )
+        dnl only static for now
+        wxUSE_SHARED=no
+        AC_MSG_WARN([Host system doesn't support shared libraries, disabling])
+      ;;
+    esac
+fi
+
 if test "$wxUSE_SHARED" = "yes"; then
 
     dnl install targets
@@ -2369,14 +2685,27 @@ if test "$wxUSE_SHARED" = "yes"; then
       ;;
 
       *-*-darwin* )
-        CFLAGS="$CFLAGS -fno-common -DDYLIB_INIT"
-        CXXFLAGS="$CXXFLAGS -fno-common -DDYLIB_INIT"
-        SHARED_LD="$CXX -dynamiclib -init _wxWindowsDylibInit -o"
+        dnl For Unix to MacOS X porting instructions, see:
+        dnl http://fink.sourceforge.net/doc/porting/porting.html
+        CFLAGS="$CFLAGS -fno-common -DWXMAKINGDLL"
+        CXXFLAGS="$CXXFLAGS -fno-common -DWXMAKINGDLL"
+        dnl 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* )
@@ -2397,11 +2726,6 @@ if test "$wxUSE_SHARED" = "yes"; then
         fi
       ;;
 
-      *-pc-os2_emx | *-pc-os2-emx )
-        dnl only static for now
-        wxUSE_SHARED=no
-      ;;
-
       *-*-beos* )
         dnl can't use gcc under BeOS for shared library creation because it
         dnl complains about missing 'main'
@@ -2461,48 +2785,24 @@ fi
 
 if test "$wxUSE_MAC" = 1; then
     dnl add the resources target for wxMac
-    WX_ALL="${WX_ALL} \$(build_libdir)/lib${WX_LIBRARY}.r"
+    LIBWXMACRES="\$(top_builddir)/lib/${WX_RESOURCES_MACOSX_ASCII}"
+    WX_ALL="${WX_ALL} ${LIBWXMACRES}"
     WX_ALL_INSTALLED="${WX_ALL_INSTALLED} preinstall_res"
     AC_CHECK_PROG(RESCOMP, Rez, Rez, /Developer/Tools/Rez)
     AC_CHECK_PROG(DEREZ, DeRez, DeRez, /Developer/Tools/DeRez)
-    LIBWXMACRES="\$(top_builddir)/lib/lib${WX_LIBRARY}.r"
-    LIBWXMACRESCOMP="\$(RESCOMP) Carbon.r -t APPL ${LIBWXMACRES} -o \$(BIN_PROGRAM)"
-    LIBWXMACRESWXCONFIG="${RESCOMP} Carbon.r -t APPL \${prefix}/lib/${WX_RESOURCES_MACOSX_COMPILED} -o"
-fi
-
-dnl ------------------------------------------------------------------------
-dnl Check for headers
-dnl ------------------------------------------------------------------------
-
-dnl do not check for strings.h for wxMac
-dnl   it exists but is only a simple redirection to string.h
-dnl   it is in conflict with Strings.h in FlatCarbon headers
-if test "$wxUSE_MAC" != 1; then
-  dnl defines HAVE_STRINGS_H (where some string functions live on AIX for example)
-  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 defines HAVE_WCSTR_H
-AC_CHECK_HEADERS(wcstr.h)
-dnl defined HAVE_WCTYPE_H
-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)
+    MACOSX_BUNDLE="bundle"
+    if test "$wxUSE_SHARED" = "yes"; then
+        dnl resources are bundled with shared library, not with applications
+        LIBWXMACRESCOMP="\$(RESCOMP) -t APPL Carbon.r -o \$(BIN_PROGRAM)"
+        LIBWXMACRESWXCONFIG="${RESCOMP} -t APPL Carbon.r -o"
+    else
+        dnl resources are bundled with applications, not with static library
+        LIBWXMACRESCOMP="\$(RESCOMP) -t APPL Carbon.r ${LIBWXMACRES} -o \$(BIN_PROGRAM)"
+        LIBWXMACRESWXCONFIG="${RESCOMP} -t APPL Carbon.r \${prefix}/lib/${WX_RESOURCES_MACOSX_ASCII} -o"
+    fi
+else
+    if test "$wxUSE_PM" = 1; then
+        LIBWXMACRESCOMP="emxbind -ep \$(BIN_PROGRAM)"
     fi
 fi
 
@@ -2521,37 +2821,6 @@ 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 "$wx_cv_type_wchar_t" = "yes"; then
-    AC_DEFINE(wxUSE_WCHAR_T)
-fi
-
 dnl check what exactly size_t is on this machine - this is necessary to avoid
 dnl ambiguos overloads in several places, notably wx/string.h and wx/array.h
 AC_LANG_SAVE
@@ -2630,89 +2899,39 @@ if test "$wx_cv_struct_pw_gecos" = "yes"; then
 fi
 
 dnl ---------------------------------------------------------------------------
-dnl Checks for compiler characteristics
+dnl Check for functions
 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(int *, 4)
-AC_CHECK_SIZEOF(int, 4)
-AC_CHECK_SIZEOF(long, 4)
-AC_CHECK_SIZEOF(long long, 0)
-
-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, $wx_cv_sizeof_wchar_t)
-
-dnl for bytesex stuff (don't use AC_C_BIGENDIAN to allow cross-compiling)
-WX_C_BIGENDIAN
-
-dnl check for iostream (as opposed to iostream.h) standard header
-WX_CPP_NEW_HEADERS(, AC_DEFINE(wxUSE_IOSTREAMH))
-
-dnl check whether C++ compiler supports bool built-in type
-WX_CPP_BOOL
+dnl don't check for wchar_t functions if we haven't got wchar_t itself
+if test "$wx_cv_sizeof_wchar_t" != "0"; then
+    AC_DEFINE(wxUSE_WCHAR_T)
 
-dnl ---------------------------------------------------------------------------
-dnl Check for functions
-dnl ---------------------------------------------------------------------------
+    dnl check for wcslen in all possible places
+    WCSLEN_FOUND=0
+    WCHAR_LINK=
+    AC_CHECK_FUNCS(wcslen, WCSLEN_FOUND=1)
 
-dnl check for wcslen
-AC_CHECK_LIB(c, wcslen, [
-            AC_DEFINE(HAVE_WCSLEN)
-            WCHAR_LINK=
-        ], [
+    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, [
-                AC_DEFINE(HAVE_WCSLEN)
-                WCHAR_LINK=" -lw"
-            ], [
-                AC_CHECK_LIB(msvcrt, wcslen, [
-                    AC_DEFINE(HAVE_WCSLEN)
-                    WCHAR_LINK=
-                ])
-            ])
-        ])
+                            WCHAR_LINK=" -lw"
+                            WCSLEN_FOUND=1
+                        ])
+        fi
+    fi
+
+    if test "$WCSLEN_FOUND" = 1; then
+        AC_DEFINE(HAVE_WCSLEN)
+    fi
 
-dnl use wcsrtombs instead of wcstombs which is buggy in old GNU libc versions
-dnl if possible
-AC_CHECK_FUNCS(wcsrtombs)
+    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 check for vprintf/vsprintf() which are GNU extensions
 AC_FUNC_VPRINTF
@@ -2824,6 +3043,11 @@ if test "$wx_cv_func_vsscanf" = yes; then
     AC_DEFINE(HAVE_VSSCANF)
 fi
 
+if test "$wxUSE_UNICODE" = yes; then
+    dnl look if we have wide char IO functions
+    AC_CHECK_FUNCS(fputwc wprintf vswprintf)
+fi
+
 dnl the following tests are for Unix(like) systems only
 if test "$TOOLKIT" != "MSW"; then
 
@@ -3003,7 +3227,7 @@ AC_CHECK_FUNCS(strtok_r)
 AC_LANG_RESTORE
 
 dnl check for inet_addr and inet_aton (these may live either in libc, or in
-dnl libnsl or libresolv)
+dnl libnsl or libresolv or libsocket)
 INET_LINK=
 AC_CHECK_FUNCS(inet_addr,
     AC_DEFINE(HAVE_INET_ADDR),
@@ -3011,7 +3235,10 @@ AC_CHECK_FUNCS(inet_addr,
         AC_CHECK_LIB(nsl, inet_addr,
             INET_LINK="nsl",
             AC_CHECK_LIB(resolv, inet_addr,
-                INET_LINK="resolv"
+                INET_LINK="resolv",
+                AC_CHECK_LIB(socket, inet_addr,
+                    INET_LINK="socket"
+                )
             )
         )
     ]
@@ -3044,17 +3271,19 @@ dnl thread support for Unix (always available under Win32)
 dnl ---------------------------------------------------------------------------
 
 dnl under MSW we always have thread support
+CPP_MT_FLAG=
 if test "$TOOLKIT" != "MSW"; then
 
     dnl the code below:
-    dnl   defines THREADS_OBJ which contains the object files to build
-    dnl   defines THREADS_LINK which contains the thread library to link with
-    dnl   defines wxUSE_THREADS=1 if thread support is activated
+    dnl
+    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=
-    THREADS_OBJ=
-    CODE_GEN_FLAGS=
-    CODE_GEN_FLAGS_CXX=
+    THREADS_CFLAGS=
 
     if test "$wxUSE_THREADS" = "yes" ; then
         if test "$wxUSE_WINE" = 1 ; then
@@ -3068,67 +3297,137 @@ if test "$TOOLKIT" != "MSW"; then
 
     if test "$wxUSE_THREADS" = "yes" ; then
         dnl find if POSIX threads are available
+        dnl
+        dnl the tests here are based on ACX_PTHREAD macro from autoconf macro
+        dnl archive from http://ac-archive.sourceforge.net/
+        dnl
+        dnl thanks to Steven G. Johnson <stevenj@alum.mit.edu> and Alejandro
+        dnl Forero Cuervo <bachue@bachue.com> for the original code
+
+        dnl TODO: cache the result
+
+        dnl define the list of the thread options to try in the loop below
+        dnl with the convention that anything starting with '-' is a cpp flag
+        dnl while anything else is a library (i.e. there is an implicit "-l")
+        THREAD_OPTS="-pthread"
+        case "${host}" in
+          *-*-solaris2* | *-*-sunos4* )
+                if test "x$GCC" = "xyes"; then
+                    dnl Solaris/gcc combination use this one for some reason
+                    THREAD_OPTS="-pthreads $THREAD_OPTS"
+                else
+                    THREAD_OPTS="-mt $THREAD_OPTS"
+                fi
+                ;;
+          *-*-freebsd*)
+                dnl look, in order, for the kernel threads, then Linux threads
+                dnl and finally the userland threads
+                THREAD_OPTS="-kthread lthread $THREAD_OPTS c_r"
+                ;;
+          *-*-darwin* | *-*-cygwin* )
+                dnl Darwin / Mac OS X just uses -lpthread tested below
+                dnl and so does Cygwin
+                THREAD_OPTS=""
+                ;;
+          *-*-aix*)
+                dnl AIX calls the library libpthreads - thanks IBM!
+                THREAD_OPTS="pthreads"
+                ;;
+        esac
 
-        dnl AIX calls the library libpthreads - thanks IBM!
-        if test "$USE_AIX" = 1; then
-            THREADS_LIB=pthreads
-        else
-            THREADS_LIB=pthread
-        fi
+        dnl simply linking with libpthread should make the test below work but
+        dnl it's far from certain that the threaded programs compiled without
+        dnl any special switches actually work, so try it after all the others
+        THREAD_OPTS="$THREAD_OPTS pthread none"
+
+        dnl now test for all possibilities
+        THREADS_OK=no
+        for flag in $THREAD_OPTS; do
+            case $flag in
+                none)
+                    AC_MSG_CHECKING([whether pthreads work without any flags])
+                    ;;
 
-        dnl standard lib name is pthread
-        dnl We no longer test for pthread-0.7 as it breaks compilation on some
-        dnl glibc2 systems, especially for static linkage.
-        AC_CHECK_LIB($THREADS_LIB, pthread_create, [
-                THREADS_OBJ="threadpsx.lo"
-                THREADS_LINK=$THREADS_LIB
-            ], [
-                dnl thread functions are in libc_r under FreeBSD
-                AC_CHECK_LIB(c_r, pthread_create, [
-                    THREADS_OBJ="threadpsx.lo"
-                    THREADS_LINK="c_r"
-                ], [
-                    dnl VZ: SGI threads are not supported currently
-                    AC_CHECK_HEADER(sys/prctl.h, [
-                        THREADS_OBJ="threadsgi.lo"
-                    ])
-                ])
-            ])
+                -*)
+                    AC_MSG_CHECKING([whether pthreads work with $flag])
+                    THREADS_CFLAGS="$flag"
+                    ;;
 
-        if test -z "$THREADS_OBJ" ; then
-            wxUSE_THREADS=no
-            AC_MSG_WARN([No thread support on this system... disabled])
-        fi
+                *)
+                    AC_MSG_CHECKING([for the pthreads library -l$flag])
+                    THREADS_LINK="-l$flag"
+                    ;;
+              esac
+
+              save_LIBS="$LIBS"
+              save_CFLAGS="$CFLAGS"
+              LIBS="$THREADS_LINK $LIBS"
+              CFLAGS="$THREADS_CFLAGS $CFLAGS"
+
+              AC_TRY_LINK([#include <pthread.h>],
+                          [pthread_create(0,0,0,0);],
+                          THREADS_OK=yes)
+
+              LIBS="$save_LIBS"
+              CFLAGS="$save_CFLAGS"
+
+              AC_MSG_RESULT($THREADS_OK)
+              if test "x$THREADS_OK" = "xyes"; then
+                      break;
+              fi
+
+              THREADS_LINK=""
+              THREADS_CFLAGS=""
+      done
+
+      if test "x$THREADS_OK" != "xyes"; then
+          wxUSE_THREADS=no
+          AC_MSG_WARN([No thread support on this system... disabled])
+      else
+          dnl yes, these special compiler flags should be used with the
+          dnl linker as well
+          LIBS="$THREADS_LINK $THREADS_CFLAGS $LIBS"
+
+          AC_MSG_CHECKING([if more special flags are required for pthreads])
+          flag=no
+          case "${host}" in
+            *-aix* | *-freebsd*)
+                flag="-D_THREAD_SAFE"
+                ;;
+            *solaris* | alpha*-osf*)
+                flag="-D_REENTRANT"
+                ;;
+          esac
+          AC_MSG_RESULT(${flag})
+          if test "x$flag" != xno; then
+              THREADS_CFLAGS="$THREADS_CFLAGS $flag"
+          fi
+
+          if test "x$THREADS_CFLAGS" != "x"; then
+            dnl don't add these options to CPPFLAGS as cpp might not know them
+            CFLAGS="$CFLAGS $THREADS_CFLAGS"
+            CXXFLAGS="$CXXFLAGS $THREADS_CFLAGS"
+          fi
+      fi
     fi
 
     dnl do other tests only if we are using threads
     if test "$wxUSE_THREADS" = "yes" ; then
       AC_CHECK_FUNCS(thr_setconcurrency)
 
-      dnl define autoconf macro to check for given function in both pthread and
-      dnl posix4 libraries
-      dnl usage: AC_FUNC_THREAD(FUNCTION_NAME)
-      dnl VZ: TODO
-      dnl AC_DEFUN(AC_FUNC_THREAD,
-      dnl [
-      dnl     AC_CHECK_LIB($THREADS_LINK, $1,
-      dnl            AC_DEFINE(HAVE_`'translit($1, `A-Z', 'a-z'),
-      dnl            [AC_CHECK_LIB([posix4], $1,
-      dnl                [AC_DEFINE(HAVE_`'translit($1, `A-Z', 'a-z'))
-      dnl                 POSIX4_LINK=" -lposix4"
-      dnl             ])
-      dnl            ])
-      dnl ])
-
       AC_CHECK_HEADERS(sched.h)
-
-      AC_CHECK_LIB($THREADS_LINK, sched_yield,
-                   AC_DEFINE(HAVE_SCHED_YIELD),
-                   [AC_CHECK_LIB([posix4], sched_yield,
-                       [AC_DEFINE(HAVE_SCHED_YIELD) POSIX4_LINK=" -lposix4"],
-                       AC_MSG_WARN(wxThread::Yield will not work properly)
-                    )]
-                   )
+      if test "$ac_cv_header_sched_h" = "yes"; then
+          AC_CHECK_FUNC(sched_yield,
+            AC_DEFINE(HAVE_SCHED_YIELD),
+            [
+                AC_CHECK_LIB(posix4,
+                    sched_yield,
+                    [AC_DEFINE(HAVE_SCHED_YIELD) POSIX4_LINK=" -lposix4"],
+                    AC_MSG_WARN(wxThread::Yield will not work properly)
+                )
+            ]
+          )
+      fi
 
       dnl to be able to set the thread priority, we need to have all of the
       dnl following functions:
@@ -3137,9 +3436,9 @@ if test "$TOOLKIT" != "MSW"; then
       dnl      (this one can be in either libpthread or libposix4 (under Solaris))
       dnl   3. pthread_attr_getschedparam and pthread_attr_setschedparam
       HAVE_PRIOR_FUNCS=0
-      AC_CHECK_LIB($THREADS_LINK, pthread_attr_getschedpolicy,
-                     AC_CHECK_LIB($THREADS_LINK, pthread_attr_setschedparam,
-                       AC_CHECK_LIB($THREADS_LINK, sched_get_priority_max,
+      AC_CHECK_FUNC(pthread_attr_getschedpolicy,
+                     AC_CHECK_FUNC(pthread_attr_setschedparam,
+                       AC_CHECK_FUNC(sched_get_priority_max,
                            HAVE_PRIOR_FUNCS=1,
                            AC_CHECK_LIB([posix4], sched_get_priority_max,
                              [
@@ -3157,9 +3456,9 @@ if test "$TOOLKIT" != "MSW"; then
         AC_MSG_WARN(Setting thread priority will not work)
       fi
 
-      AC_CHECK_LIB($THREADS_LINK, pthread_cancel,
-                   AC_DEFINE(HAVE_PTHREAD_CANCEL),
-                   AC_MSG_WARN([wxThread::Kill() will not work properly]))
+      AC_CHECK_FUNC(pthread_cancel,
+                    AC_DEFINE(HAVE_PTHREAD_CANCEL),
+                    AC_MSG_WARN([wxThread::Kill() will not work properly]))
 
       AC_CACHE_CHECK([for pthread_cleanup_push/pop], wx_cv_func_pthread_cleanup_push,
       [
@@ -3187,14 +3486,6 @@ 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>],
@@ -3233,16 +3524,6 @@ if test "$TOOLKIT" != "MSW"; then
           AC_MSG_WARN([wxMutex won't be recursive on this platform])
         fi
       fi
-
-      THREADS_LINK=" -l$THREADS_LINK"
-
-      dnl building MT programs under Solaris with the native compiler requires -mt
-      dnl switch
-      if test "$USE_SOLARIS" = "yes" -a "$GCC" != "yes"; then
-          CPPFLAGS="$CFLAGS -mt"
-          CXXFLAGS="$CXXFLAGS -mt"
-          LDFLAGS="$LDFLAGS -mt"
-      fi
     fi
 
 dnl from if !MSW
@@ -3251,9 +3532,6 @@ fi
 if test "$wxUSE_THREADS" = "yes"; then
   AC_DEFINE(wxUSE_THREADS)
 
-  dnl we must define _REENTRANT or something along these lines for MT code
-  TOOLCHAIN_DEFS="$TOOLCHAIN_DEFS $CPP_MT_FLAG"
-
   SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS thread"
 else
   dnl on some systems, _REENTRANT should be defined if we want to use any _r()
@@ -3319,6 +3597,8 @@ if test "$wxUSE_PROFILE" = "yes" ; then
     PROFILE=" -pg"
 fi
 
+CODE_GEN_FLAGS=
+CODE_GEN_FLAGS_CXX=
 if test "$GCC" = "yes" ; then
     if test "$wxUSE_NO_RTTI" = "yes" ; then
         CODE_GEN_FLAGS_CXX="$CODE_GEN_FLAGS_CXX -fno-rtti"
@@ -3335,11 +3615,20 @@ if test "$GCC" = "yes" ; then
         # they had a reason, right??
         CODE_GEN_FLAGS="$CODE_GEN_FLAGS -fno-pcc-struct-return"
     fi
-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
 
-CXXFLAGS=`echo "${CXXFLAGS}" | sed "s/\-O.//g" `
-CFLAGS=`echo "${CFLAGS}" | sed "s/\-O.//g" `
 if test "$wxUSE_OPTIMISE" = "no" ; then
     OPTIMISE=
 else
@@ -3361,7 +3650,7 @@ if test "$WXWIN_COMPATIBILITY_2" = "yes"; then
     WXWIN_COMPATIBILITY_2_2="yes"
 fi
 
-if test "$WXWIN_COMPATIBILITY_2_2" = "yes"; then
+if test "x$WXWIN_COMPATIBILITY_2_2" != "xno"; then
     AC_DEFINE(WXWIN_COMPATIBILITY_2_2)
 fi
 
@@ -3540,6 +3829,7 @@ 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,
                    [
@@ -3580,7 +3870,7 @@ 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
                                             ]
                                         )
@@ -3677,14 +3967,23 @@ dnl ------------------------------------------------------------------------
 dnl wxSocket
 dnl ------------------------------------------------------------------------
 
-dnl under MSW we always have sockets
-if test "$TOOLKIT" != "MSW"; then
+dnl VZ: the GUI hooks wxSocket needs are not implemented yet in wxX11
+if test "$wxUSE_SOCKETS" = "yes"; then
+    if test "$wxUSE_MGL" = "1"; then
+        AC_MSG_WARN([wxSocket not yet supported under MGL... disabled])
+        wxUSE_SOCKETS="no"
+    fi
+fi
 
-    if test "$wxUSE_SOCKETS" = "yes"; then
-        dnl under Solaris, socket functions live in -lsocket
+if test "$wxUSE_SOCKETS" = "yes"; then
+    dnl under MSW we always have sockets
+    if test "$TOOLKIT" != "MSW"; then
+        dnl under Solaris and OS/2, socket functions live in -lsocket
         AC_CHECK_FUNC(socket,,
             AC_CHECK_LIB(socket, socket,
-                INET_LINK="$INET_LINK -lsocket",
+                if test "$INET_LINK" != " -lsocket"; then
+                    INET_LINK="$INET_LINK -lsocket"
+                fi,
                 [
                     AC_MSG_WARN([socket library not found - sockets will be disabled])
                     wxUSE_SOCKETS=no
@@ -3692,12 +3991,13 @@ if test "$TOOLKIT" != "MSW"; then
             )
         )
     fi
+fi
 
+if test "$wxUSE_SOCKETS" = "yes" ; then
     dnl this test may be appropriate if building under cygwin
     dnl right now I'm assuming it also uses the winsock stuff
     dnl like mingw does..  -- RL
-
-    if test "$wxUSE_SOCKETS" = "yes" ; then
+    if test "$TOOLKIT" != "MSW"; then
         dnl determine the type of third argument for getsockname
         AC_CACHE_CHECK([what is the type of the third argument of getsockname],
                        wx_cv_type_getsockname3,
@@ -3751,7 +4051,6 @@ if test "$TOOLKIT" != "MSW"; then
         fi
     fi
 fi
-dnl if !MSW
 
 if test "$wxUSE_SOCKETS" = "yes" ; then
     AC_DEFINE(wxUSE_SOCKETS)
@@ -3772,6 +4071,10 @@ if test "$wxUSE_GUI" = "yes"; then
         AC_MSG_WARN([Joystick not yet supported under Motif... disabled])
         wxUSE_JOYSTICK=no
      fi
+    if test "$TOOLKIT" = "X11"; then
+        AC_MSG_WARN([Joystick not yet supported under X11... disabled])
+        wxUSE_JOYSTICK=no
+     fi
 
     dnl under MSW we always have joystick support
     if test "$TOOLKIT" != "MSW"; then
@@ -3875,6 +4178,10 @@ fi
 if test "$wxUSE_UNICODE" = "yes" ; then
   AC_DEFINE(wxUSE_UNICODE)
 
+  if test "$wxUSE_MSW" != 1; then
+      wxUSE_UNICODE_MSLU=no
+  fi
+
   if test "$wxUSE_MSW" = 1 -a "$wxUSE_UNICODE_MSLU" = "yes"; then
         AC_CHECK_LIB(unicows,main,
             [
@@ -3926,15 +4233,17 @@ if test "$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 "$wxUSE_DOC_VIEW_ARCHITECTURE" = "yes" ; then
@@ -3951,14 +4260,7 @@ if test "$wxUSE_HELP" = "yes"; then
 
     if test "$wxUSE_MSW" = 1; then
       if test "$wxUSE_MS_HTML_HELP" = "yes"; then
-        AC_CHECK_HEADER(htmlhelp.h, 
-            [
-                AC_DEFINE(wxUSE_MS_HTML_HELP)
-            ],
-            [
-                AC_MSG_WARN([MS HTML Help cannot be used without htmlhelp.h... disabled])
-                wxUSE_MS_HTML_HELP=no
-            ])
+        AC_DEFINE(wxUSE_MS_HTML_HELP)
       fi
     fi
 
@@ -3986,8 +4288,12 @@ if test "$wxUSE_PROLOGIO" = "yes" ; then
 fi
 
 if test "$wxUSE_RESOURCES" = "yes" ; then
-    AC_DEFINE(wxUSE_RESOURCES)
-    SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS resource"
+    if test "$wxUSE_NANOX" = "yes"; then
+        AC_MSG_WARN([Cannot use resource database functions in NanoX])
+       else
+               AC_DEFINE(wxUSE_RESOURCES)
+               SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS resource"
+    fi
 fi
 
 if test "$wxUSE_X_RESOURCES" = "yes"; then
@@ -4007,8 +4313,18 @@ if test "$wxUSE_MSW" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
 
     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)
 
@@ -4041,10 +4357,17 @@ 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
+
+    if test "$wxUSE_CLIPBOARD" = "yes"; then
+        AC_DEFINE(wxUSE_CLIPBOARD)
 
-    dnl required by clipboard code in configuration check
-    AC_DEFINE(wxUSE_DATAOBJ)
+        dnl required by clipboard code in configuration check
+        AC_DEFINE(wxUSE_DATAOBJ)
+    fi
 fi
 
 if test "$wxUSE_DRAG_AND_DROP" = "yes" ; then
@@ -4060,6 +4383,16 @@ if test "$wxUSE_DRAG_AND_DROP" = "yes" ; then
         wxUSE_DRAG_AND_DROP=no
     fi
 
+    if test "$wxUSE_X11" = 1; then
+        AC_MSG_WARN([Drag and drop not yet supported under X11... disabled])
+        wxUSE_DRAG_AND_DROP=no
+    fi
+
+    if test "$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"
@@ -4266,7 +4599,7 @@ if test "$wxUSE_TOGGLEBTN" = "yes"; then
         wxUSE_TOGGLEBTN=no
     fi
     if test "$wxUSE_UNIVERSAL" = "yes"; then
-        AC_MSG_WARN([Toggle button not yet supported under wxUNIVERSAL... disabled])
+        AC_MSG_WARN([Toggle button not yet supported under wxUniversal... disabled])
         wxUSE_TOGGLEBTN=no
     fi
 
@@ -4307,7 +4640,7 @@ if test "$wxUSE_TOOLTIPS" = "yes"; then
             AC_MSG_WARN([wxTooltip not supported under WINE... disabled])
         else
             if test "$wxUSE_UNIVERSAL" = "yes"; then
-                AC_MSG_WARN([wxTooltip not supported yet in wxUNIVERSAL... disabled])
+                AC_MSG_WARN([wxTooltip not supported yet in wxUniversal... disabled])
             else
                 AC_DEFINE(wxUSE_TOOLTIPS)
             fi
@@ -4332,15 +4665,23 @@ if test "$wxUSE_POPUPWIN" = "yes"; then
         if test "$wxUSE_MOTIF" = 1; then
             AC_MSG_WARN([wxPopupWindow not yet supported under Motif... disabled])
         else
-            AC_DEFINE(wxUSE_POPUPWIN)
+            if test "$wxUSE_PM" = 1; then
+                AC_MSG_WARN([wxPopupWindow not yet supported under PM... disabled])
+            else
+                AC_DEFINE(wxUSE_POPUPWIN)
 
-            USES_CONTROLS=1
+                USES_CONTROLS=1
+            fi
         fi
     fi
 fi
 
 if test "$wxUSE_TIPWINDOW" = "yes"; then
-    AC_DEFINE(wxUSE_TIPWINDOW)
+    if test "$wxUSE_PM" = 1; then
+        AC_MSG_WARN([wxTipWindow not yet supported under PM... disabled])
+    else
+        AC_DEFINE(wxUSE_TIPWINDOW)
+    fi
 fi
 
 if test "$USES_CONTROLS" = 1; then
@@ -4376,6 +4717,10 @@ 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 "$wxUSE_PROTOCOL" = "yes"; then
@@ -4486,14 +4831,10 @@ if test "$wxUSE_FONTDLG" = "yes"; then
 fi
 
 if test "$wxUSE_DIRDLG" = "yes"; then
-    if test "$wxUSE_CONSTRAINTS" != "yes"; then
-       AC_MSG_WARN(wxDirDialog requires constraints so it won't be compiled without them)
+    if test "$wxUSE_TREECTRL" != "yes"; then
+        AC_MSG_WARN(wxDirDialog requires wxTreeCtrl so it won't be compiled without it)
     else
-        if test "$wxUSE_TREECTRL" != "yes"; then
-            AC_MSG_WARN(wxDirDialog requires wxTreeCtrl so it won't be compiled without it)
-        else
-            AC_DEFINE(wxUSE_DIRDLG)
-        fi
+        AC_DEFINE(wxUSE_DIRDLG)
     fi
 fi
 
@@ -4578,20 +4919,20 @@ dnl FIXME: should this be covered by the conditional above
 dnl given the -lm comment there?  Or should that comment (and
 dnl this one) be removed..   [ 7 Nov 2001 ]
 
-LIBS="$ZLIB_LINK$POSIX4_LINK$INET_LINK$WCHAR_LINK$THREADS_LINK$DL_LINK -lm$LIBS"
+LIBS="$ZLIB_LINK $POSIX4_LINK $INET_LINK $WCHAR_LINK $DL_LINK -lm $LIBS"
 
 if test "$wxUSE_GUI" = "yes"; then
 
-    LIBS=" $GUI_TK_LIBRARY$PNG_LINK$JPEG_LINK$TIFF_LINK$FREETYPE_LINK$LIBS"
+    LIBS="$GUI_TK_LIBRARY $PNG_LINK $JPEG_LINK $TIFF_LINK $LIBS"
 
     dnl TODO add checks that these samples will really compile (i.e. all the
     dnl      library features they need are present)
 
     dnl TODO some samples are never built so far:
     dnl      ipc, mfc, nativdlg, oleauto, ownerdrw
-    SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS controls dialogs \
+    SAMPLES_SUBDIRS="$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)"
@@ -4601,9 +4942,16 @@ fi
 
 
 dnl all -I options we must pass to the compiler
-INCLUDES="-I\${top_builddir}/lib/wx/include/${TOOLCHAIN_NAME} -I\${top_srcdir}/include \
+dnl
+dnl note that the order is somewhat important, in particular the ZLIB_INCLUDE
+dnl and other stuff for the built in libraries should come first to avoid
+dnl including the system headers with the same name (it is particularly
+dnl important for zlib because XFree 4.2.0 has its own, horribly old and
+dnl incompatible, zlib.h) and the wxWindows headers should come first anyhow
+INCLUDES="-I\${top_builddir}/lib/wx/include/${TOOLCHAIN_NAME} \
+-I\${top_srcdir}/include \
 $REGEX_INCLUDE $ZLIB_INCLUDE $PNG_INCLUDE $JPEG_INCLUDE $TIFF_INCLUDE \
-$FREETYPE_INCLUDE $TOOLKIT_INCLUDE"
+$TOOLKIT_INCLUDE"
 
 dnl wxGTK does not need TOOLKIT includes in wx-config
 if test "$wxUSE_GTK" = 1; then
@@ -4629,10 +4977,12 @@ fi
 
 EXTRA_CFLAGS="$WXDEBUG $WXODBCFLAG $PROFILE $OPTIMISE $INCLUDES"
 
-CFLAGS=`echo $CFLAGS $EXTRA_CFLAGS $CXXWARNINGS | sed 's/ \\+/ /g'`
-CXXFLAGS=`echo $CXXFLAGS $EXTRA_CFLAGS $CXXWARNINGS | sed 's/ \+/ /g'`
+dnl remove the extra white space from the cc/c++/ld options
+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"
+LDFLAGS="$LDFLAGS $PROFILE"
 
 dnl for convenience, sort the samples in alphabetical order
 dnl
@@ -4702,6 +5052,7 @@ AC_SUBST(WXCONFIG_LIBS_GL)
 AC_SUBST(WXCONFIG_LIBS_STATIC)
 AC_SUBST(WXCONFIG_LIBS_STATIC_GL)
 AC_SUBST(WXCONFIG_INCLUDE)
+AC_SUBST(WXCONFIG_RPATH)
 
 dnl the list of files to compile/install
 AC_SUBST(ALL_OBJECTS)
@@ -4719,6 +5070,7 @@ AC_SUBST(SAMPLES_SUBDIRS)
 dnl additional libraries and linker settings
 AC_SUBST(LDFLAGS)
 AC_SUBST(LDFLAGS_GL)
+AC_SUBST(LDFLAGS_EXE)
 AC_SUBST(OPENGL_LIBS)
 AC_SUBST(DMALLOC_LIBS)
 AC_SUBST(EXTRADEFS)
@@ -4727,11 +5079,12 @@ dnl additional resurces settings
 AC_SUBST(RESCOMP)
 AC_SUBST(RESFLAGS)
 AC_SUBST(RESPROGRAMOBJ)
-AC_SUBST(WX_RESOURCES_MACOSX)
-AC_SUBST(WX_RESOURCES_MACOSX_COMPILED)
+AC_SUBST(WX_RESOURCES_MACOSX_ASCII)
+AC_SUBST(WX_RESOURCES_MACOSX_DATA)
 
 dnl additional for Mac OS X
 AC_SUBST(DEREZ)
+AC_SUBST(MACOSX_BUNDLE)
 AC_SUBST(LIBWXMACRES)
 AC_SUBST(LIBWXMACRESCOMP)
 AC_SUBST(LIBWXMACRESWXCONFIG)
@@ -4756,24 +5109,22 @@ 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