]> git.saurik.com Git - wxWidgets.git/blobdiff - configure.in
A fix for when wxPython is compiled with no threads
[wxWidgets.git] / configure.in
index d942e95394a902fab889fcced0aef2c44245b962..4527c7c6e573a0ae76ee481ba02eb3da43102f8d 100644 (file)
@@ -32,7 +32,7 @@ for ac_dir in $1;
 ])
 
 dnl ---------------------------------------------------------------------------
-dnl call WX_PATH_FIND_LIBRARIES(search path, header name), sets ac_find_includes
+dnl call WX_PATH_FIND_LIBRARIES(search path, header name), sets ac_find_libraries
 dnl to the full name of the file that was found or leaves it empty if not found
 dnl ---------------------------------------------------------------------------
 AC_DEFUN(WX_PATH_FIND_LIBRARIES,
@@ -205,7 +205,7 @@ AC_DEFUN(WX_ARG_CACHE_FLUSH,
         ])
 
 dnl this macro checks for a three-valued command line --with argument:
-dnl   possible arguments are 'yes', 'no', or 'sys'
+dnl   possible arguments are 'yes', 'no', 'sys', or 'builtin'
 dnl usage: WX_ARG_SYS_WITH(option, helpmessage, variable-name)
 AC_DEFUN(WX_ARG_SYS_WITH,
         [
@@ -219,8 +219,10 @@ AC_DEFUN(WX_ARG_SYS_WITH,
                           ac_cv_use_$1='$3=no'
                         elif test "$withval" = sys; then
                           ac_cv_use_$1='$3=sys'
+                        elif test "$withval" = builtin; then
+                          ac_cv_use_$1='$3=builtin'
                         else
-                          AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no or sys])
+                          AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
                         fi
                       ],
                       [
@@ -245,8 +247,10 @@ AC_DEFUN(WX_ARG_SYS_WITH,
             AC_MSG_RESULT(no)
           elif test "$$3" = sys; then
             AC_MSG_RESULT(system version)
+          elif test "$$3" = builtin; then
+            AC_MSG_RESULT(builtin version)
           else
-            AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no or sys])
+            AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
           fi
         ])
 
@@ -366,6 +370,8 @@ WX_RELEASE_NUMBER=2
 WX_VERSION=$WX_MAJOR_VERSION_NUMBER.$WX_MINOR_VERSION_NUMBER.$WX_RELEASE_NUMBER
 WX_RELEASE=$WX_MAJOR_VERSION_NUMBER.$WX_MINOR_VERSION_NUMBER
 
+WX_MSW_VERSION=$WX_MAJOR_VERSION_NUMBER$WX_MINOR_VERSION_NUMBER$WX_RELEASE_NUMBER
+
 WX_CURRENT=1
 WX_REVISION=0
 WX_AGE=0
@@ -400,8 +406,6 @@ USE_OPENBSD=
 USE_NETBSD=
 USE_VMS=
 USE_ULTRIX=
-USE_CYGWIN=
-USE_MINGW=
 USE_DATA_GENERAL=
 
 dnl on some platforms xxx_r() functions are declared inside "#ifdef
@@ -412,7 +416,7 @@ NEEDS_D_REENTRANT_FOR_R_FUNCS=0
 dnl the list of all available toolkits
 dnl
 dnl update NUM_TOOLKITS calculation below when adding a new toolkit here!
-ALL_TOOLKITS="CYGWIN GTK MAC MGL MINGW MOTIF PM WINE"
+ALL_TOOLKITS="GTK MAC MGL MOTIF MSW PM WINE"
 
 dnl NB: these wxUSE_XXX constants have value of 0 or 1 unlike all the other ones
 dnl     which are either yes or no
@@ -558,7 +562,7 @@ case "${host}" in
     DEFAULT_DEFAULT_wxUSE_MSW=1
   ;;
 
-  *-pc-os2_emx )
+  *-pc-os2_emx | *-pc-os2-emx )
     AC_DEFINE(__EMX__)
     PROGRAM_EXT=".exe"
     DEFAULT_DEFAULT_wxUSE_PM=1
@@ -637,8 +641,8 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_OPTIMISE=no
   DEFAULT_wxUSE_PROFILE=no
   DEFAULT_wxUSE_NO_DEPS=no
-  DEFAULT_wxUSE_NO_RTTI=no
-  DEFAULT_wxUSE_NO_EXCEPTIONS=no
+  DEFAULT_wxUSE_NO_RTTI=yes
+  DEFAULT_wxUSE_NO_EXCEPTIONS=yes
   DEFAULT_wxUSE_PERMISSIVE=no
   DEFAULT_wxUSE_DEBUG_FLAG=yes
   DEFAULT_wxUSE_DEBUG_INFO=yes
@@ -799,8 +803,8 @@ else
   DEFAULT_wxUSE_OPTIMISE=yes
   DEFAULT_wxUSE_PROFILE=no
   DEFAULT_wxUSE_NO_DEPS=no
-  DEFAULT_wxUSE_NO_RTTI=no
-  DEFAULT_wxUSE_NO_EXCEPTIONS=no
+  DEFAULT_wxUSE_NO_RTTI=yes
+  DEFAULT_wxUSE_NO_EXCEPTIONS=yes
   DEFAULT_wxUSE_PERMISSIVE=no
   DEFAULT_wxUSE_DEBUG_FLAG=no
   DEFAULT_wxUSE_DEBUG_INFO=no
@@ -988,8 +992,7 @@ AC_ARG_WITH(gtk,           [  --with-gtk              use GTK+], [wxUSE_GTK="$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="$withval" CACHE_WINE=1 TOOLKIT_GIVEN=1])
-AC_ARG_WITH(cygwin,        [  --with-cygwin           use Cygwin for MS-Windows], [wxUSE_CYGWIN="$withval" CACHE_CYGWIN=1 TOOLKIT_GIVEN=1])
-AC_ARG_WITH(mingw,         [  --with-mingw            use GCC Minimal MS-Windows], [wxUSE_MINGW="$withval" CACHE_MINGW=1 TOOLKIT_GIVEN=1])
+AC_ARG_WITH(msw,           [  --with-msw              use MS-Windows], [wxUSE_MSW="$withval" CACHE_MSW 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])
 
@@ -1347,14 +1350,13 @@ 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_MINGW:-0} + ${wxUSE_CYGWIN:-0} \
-                  + ${wxUSE_MGL:-0}`
+                  + ${wxUSE_WINE:-0} + ${wxUSE_MSW:-0} + ${wxUSE_MGL:-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 | *-pc-os2-emx )
         # PATH_IFS is autodetected by OS/2's configure (usually ';')
         NUM_TOOLKITS=`expr ${NUM_TOOLKITS} + ${wxUSE_PM:-0}`
         LEX_STEM="lexyy"
@@ -1459,6 +1461,18 @@ AC_CHECK_PROG(AR, ar, ar, ar)
 dnl install checks
 dnl   defines INSTALL with the appropriate command
 AC_PROG_INSTALL
+case "${host}" in
+
+    dnl The other BSD's should probably go in here too, since this is
+    dnl to workaround a strange static lib BSDism.
+    dnl Mac OS X install seems to ignore -p option...
+    powerpc-*-darwin* )
+        INSTALL_PROGRAM="cp -fp"
+        INSTALL_DATA="cp -fp"
+        ;;
+    *)
+        ;;
+esac
 
 dnl strip command
 dnl   defines STRIP as strip or nothing if not found
@@ -1598,28 +1612,250 @@ dnl ------------------------------------------------------------------------
 dnl flush the cache because checking for libraries below might abort
 AC_CACHE_SAVE
 
+dnl ---------------------------------------------------------------------------
+dnl Optional libraries
+dnl
+dnl   --with-<lib>=sys
+dnl       looks for system library and fails if not found
+dnl
+dnl   --with-<lib>
+dnl   --with-<lib>=yes
+dnl       looks for system library and, if not found, prints a warning,
+dnl       falls back to the builtin wx version, and continues configuration
+dnl
+dnl   --with-<lib>=builtin
+dnl       uses builtin wx version without searching for system library
+dnl
+dnl   --with-<lib>=no
+dnl   --without-<lib>
+dnl       do not use library (neither system nor builtin wx version)
+dnl
+dnl ---------------------------------------------------------------------------
+
 dnl ------------------------------------------------------------------------
 dnl Check for regex libraries
 dnl ------------------------------------------------------------------------
 
 REGEX_INCLUDE=
 if test "$wxUSE_REGEX" != "no"; then
-    dnl according to Unix 98 specs, regcomp() is in libc but I believe that
-    dnl on some old systems it may be in libregex - check for it too?
-    AC_CHECK_HEADER(regex.h, AC_CHECK_FUNCS(regcomp))
-
-    if test "x$ac_cv_func_regcomp" != "xyes"; then
-        dnl we were asked to use the system version of regex lib only but it
-        dnl is not available
-        if test "$wxUSE_REGEX" = "sys"; then
-            AC_MSG_ERROR([system regex library not found! Use --with-regex to use the built-in regex library.])
+    AC_DEFINE(wxUSE_REGEX)
+
+    if test "$wxUSE_REGEX" = "sys" -o "$wxUSE_REGEX" = "yes" ; then
+        dnl according to Unix 98 specs, regcomp() is in libc but I believe that
+        dnl on some old systems it may be in libregex - check for it too?
+        AC_CHECK_HEADER(regex.h, AC_CHECK_FUNCS(regcomp))
+
+        if test "x$ac_cv_func_regcomp" != "xyes"; then
+            if test "$wxUSE_REGEX" = "sys" ; then
+                AC_MSG_ERROR([system regex library not found! Use --with-regex to use built-in version])
+            else
+                AC_MSG_WARN([system regex library not found, will use built-in instead])
+                wxUSE_REGEX=builtin
+            fi
+        else
+            dnl we are using the system library
+            wxUSE_REGEX=sys
         fi
+    fi
 
-        dnl fallback to the built in code
+    if test "$wxUSE_REGEX" = "builtin" ; then
         REGEX_INCLUDE="-I\${top_srcdir}/src/regex"
     fi
+fi
 
-    AC_DEFINE(wxUSE_REGEX)
+dnl ------------------------------------------------------------------------
+dnl Check for zlib compression library
+dnl ------------------------------------------------------------------------
+
+ZLIB_INCLUDE=
+ZLIB_LINK=
+if test "$wxUSE_ZLIB" != "no" ; then
+    AC_DEFINE(wxUSE_ZLIB)
+
+    if test "$wxUSE_ZLIB" = "sys" -o "$wxUSE_ZLIB" = "yes" ; then
+        AC_CHECK_HEADER(zlib.h, AC_CHECK_LIB(z, deflate, ZLIB_LINK=" -lz"))
+
+        if test "x$ZLIB_LINK" = "x" ; then
+            if test "$wxUSE_ZLIB" = "sys" ; then
+                AC_MSG_ERROR([system zlib compression library not found! Use --with-zlib=builtin to use built-in version])
+            else
+                AC_MSG_WARN([system zlib compression library not found, will use built-in instead])
+                wxUSE_ZLIB=builtin
+            fi
+        else
+            dnl we are using the system library
+            wxUSE_ZLIB=sys
+        fi
+    fi
+
+    if test "$wxUSE_ZLIB" = "builtin" ; then
+        ZLIB_INCLUDE="-I\${top_srcdir}/src/zlib"
+    fi
+fi
+
+dnl ------------------------------------------------------------------------
+dnl Check for png library
+dnl ------------------------------------------------------------------------
+
+PNG_INCLUDE=
+PNG_LINK=
+if test "$wxUSE_LIBPNG" != "no" ; then
+    AC_DEFINE(wxUSE_LIBPNG)
+
+    dnl for the check below to have a chance to succeed, we must already have
+    dnl libz somewhere
+    if test "$wxUSE_LIBPNG" = "sys" -a "$wxUSE_ZLIB" != "sys" ; then
+        AC_MSG_WARN([system png library doesn't work without system zlib, will use built-in instead])
+        wxUSE_LIBPNG=builtin
+    fi
+
+    if test "$wxUSE_LIBPNG" = "sys" -o "$wxUSE_LIBPNG" = "yes" ; then
+        AC_CHECK_HEADER(png.h,
+                        AC_CHECK_LIB(png, png_check_sig,
+                                     PNG_LINK=" -lpng",
+                                     ,
+                                     [-lz -lm])
+                       )
+
+        if test "x$PNG_LINK" = "x" ; then
+            if test "$wxUSE_LIBPNG" = "sys" ; then
+                AC_MSG_ERROR([system png library not found! Use --with-libpng=builtin to use built-in version])
+            else
+                AC_MSG_WARN([system png library not found, will use built-in instead])
+                wxUSE_LIBPNG=builtin
+            fi
+        else
+            dnl we are using the system library
+            wxUSE_LIBPNG=yes
+        fi
+    fi
+
+    if test "$wxUSE_LIBPNG" = "builtin" ; then
+        PNG_INCLUDE="-I\${top_srcdir}/src/png"
+    fi
+
+    SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS png"
+fi
+
+dnl ------------------------------------------------------------------------
+dnl Check for jpeg library
+dnl ------------------------------------------------------------------------
+
+JPEG_INCLUDE=
+JPEG_LINK=
+if test "$wxUSE_LIBJPEG" != "no" ; then
+    AC_DEFINE(wxUSE_LIBJPEG)
+
+    if test "$wxUSE_LIBJPEG" = "sys" -o "$wxUSE_LIBJPEG" = "yes" ; then
+        dnl can't use AC_CHECK_HEADER as jconfig.h defines things like
+        dnl HAVE_STDLIB_H which are already defined and this provokes
+        dnl a compiler warning which configure considers as an error...
+        AC_MSG_CHECKING(for jpeglib.h)
+        AC_CACHE_VAL(ac_cv_header_jpeglib_h,
+            AC_TRY_COMPILE(
+                [
+                    #undef HAVE_STDLIB_H
+                    #include <stdio.h>
+                    #include <jpeglib.h>
+                ],
+                [
+                ],
+                ac_cv_header_jpeglib_h=yes,
+                ac_cv_header_jpeglib_h=no
+            )
+        )
+        AC_MSG_RESULT($ac_cv_header_jpeglib_h)
+
+        if test "$ac_cv_header_jpeglib_h" = "yes"; then
+            AC_CHECK_LIB(jpeg, jpeg_read_header, JPEG_LINK=" -ljpeg")
+        fi
+
+        if test "x$JPEG_LINK" = "x" ; then
+            if test "$wxUSE_LIBJPEG" = "sys" ; then
+                AC_MSG_ERROR([system jpeg library not found! Use --with-libjpeg=builtin to use built-in version])
+            else
+                AC_MSG_WARN([system jpeg library not found, will use built-in instead])
+                wxUSE_LIBJPEG=builtin
+            fi
+        else
+            dnl we are using the system library
+            wxUSE_LIBJPEG=sys
+        fi
+    fi
+
+    if test "$wxUSE_LIBJPEG" = "builtin" ; then
+        JPEG_INCLUDE="-I\${top_srcdir}/src/jpeg"
+    fi
+fi
+
+dnl ------------------------------------------------------------------------
+dnl Check for tiff library
+dnl ------------------------------------------------------------------------
+
+TIFF_INCLUDE=
+TIFF_LINK=
+if test "$wxUSE_LIBTIFF" != "no" ; then
+    AC_DEFINE(wxUSE_LIBTIFF)
+
+    if test "$wxUSE_LIBTIFF" = "sys" -o "$wxUSE_LIBTIFF" = "yes" ; then
+        AC_CHECK_HEADER(tiffio.h,
+                        AC_CHECK_LIB(tiff, TIFFError,
+                                     TIFF_LINK=" -ltiff",
+                                     ,
+                                     -lm)
+                       )
+
+        if test "x$TIFF_LINK" = "x" ; then
+            if test "$wxUSE_LIBTIFF" = "sys" ; then
+                AC_MSG_ERROR([system tiff library not found! Use --with-libtiff=builtin to use built-in version])
+            else
+                AC_MSG_WARN([system tiff library not found, will use built-in instead])
+                wxUSE_LIBTIFF=builtin
+            fi
+        else
+            dnl we are using the system library
+            wxUSE_LIBTIFF=sys
+        fi
+    fi
+
+    if test "$wxUSE_LIBTIFF" = "builtin" ; then
+        TIFF_INCLUDE="-I\${top_srcdir}/src/tiff"
+    fi
+fi
+
+dnl ------------------------------------------------------------------------
+dnl Check for freetype library
+dnl ------------------------------------------------------------------------
+
+FREETYPE_INCLUDE=
+FREETYPE_LINK=
+if test "$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 ----------------------------------------------------------------
@@ -1641,8 +1877,8 @@ if test "$USE_WIN32" = 1 ; then
         AC_MSG_ERROR(please set CFLAGS to contain the location of windows.h)
     ])
 
-    dnl check if can use _WIN_IE macro
-    AC_CACHE_CHECK([if w32api has good enough MSIE support], wx_cv_w32api_win_ie,
+    dnl check if can use _WIN32_IE macro
+    AC_CACHE_CHECK([if w32api has good enough MSIE support], wx_cv_w32api_win32_ie,
     [
       AC_TRY_COMPILE([#include <w32api.h>],
                      [
@@ -1655,34 +1891,29 @@ if test "$USE_WIN32" = 1 ; then
                        #error You need w32api 1.1 or newer
                        #endif
                      ], [
-                        wx_cv_w32api_win_ie=yes
-                        CPPFLAGS="$CPPFLAGS -D_WIN_IE=0x400"
+                        wx_cv_w32api_win32_ie=yes
                      ], [
-                        wx_cv_w32api_win_ie=no
+                        wx_cv_w32api_win32_ie=no
                      ])
     ])
+    if test "$wx_cv_w32api_win32_ie" = "yes" ; then
+        CPPFLAGS="$CPPFLAGS -D_WIN32_IE=0x400"
+    fi
 
     dnl --- FIXME: This is still a somewhat random list of libs,
     dnl ---        some of them should probably be included conditionally.
     LIBS="$LIBS -lwinspool -lwinmm -lshell32 -lcomctl32 -lctl3d32 -ladvapi32 -lwsock32"
 
-    dnl Cygwin doesn't link these by default
-    if test "$wxUSE_CYGWIN" = 1; then
-        LIBS="$LIBS -lkernel32 -luser32 -lgdi32 -lcomdlg32"
-    fi
+    case "${host}" in
+        *-*-cygwin* )
+            dnl Cygwin doesn't include these by default
+            LIBS="$LIBS -lkernel32 -luser32 -lgdi32 -lcomdlg32"
+            TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -D__WIN95__"
+    esac
 
     dnl add extra odbc libs if we have compiled in odbc
     if test "$wxUSE_ODBC" = "yes" ; then
-        LIBS="$LIBS -lodbc32 -lole32 -loleaut32"
-    fi
-
-    dnl -mwindows is needed to avoid that spawning of a console window
-    dnl This probably doesn't belong here..  The user may actually *want*
-    dnl a console window.  People should add this to their own app makefiles
-    dnl instead.  Unless someone cries murder about it, expect this to
-    dnl disappear from here soon.
-    if test "$wxUSE_MINGW" = 1; then
-        LDFLAGS="$LDFLAGS -mwindows"
+        LIBS=" -lodbc32 -lole32 -loleaut32$LIBS"
     fi
 
     RESFLAGS="--include-dir \$(top_srcdir)/include --include-dir \$(top_srcdir)/\$(program_dir) --define __WIN32__ --define __WIN95__ --define __GNUWIN32__"
@@ -1698,9 +1929,17 @@ if test "$wxUSE_GUI" = "yes"; then
     WXGTK127=
     WXGTK20=
 
-    if test "$wxUSE_CYGWIN" = 1 || test "$wxUSE_MINGW" = 1 ; then
+    if test "$wxUSE_MSW" = 1 ; then
         TOOLKIT=MSW
         GUIDIST=MSW_DIST
+
+        dnl -mwindows causes a heap of other default gui libs to be linked in.
+        dnl FIXME: If cygwin needs this, please push it above, if not, please
+        dnl        remove this comment :-)
+        case "${host}" in
+            *-*-mingw32* )
+                LDFLAGS="$LDFLAGS -Wl,--subsystem,windows -mwindows"
+        esac
     fi
 
     if test "$wxUSE_GTK" = 1; then
@@ -1712,7 +1951,7 @@ if test "$wxUSE_GUI" = "yes"; then
                 dnl stupid GTK+ AM macros produce their own messages, so we
                 dnl have to pass to the next line
                 gtk_version_cached=0
-                AC_MSG_RESULT("")
+                AC_MSG_RESULT()
 
                 wx_cv_lib_gtk=
                 if test "x$wxUSE_GTK2" = "xyes"; then
@@ -1788,12 +2027,14 @@ equivalent variable and GTK+ is version 1.2.3 or above.
         mgl_lib_type=""
 
         if test "$wxUSE_DEBUG_FLAG" = yes ; then
-            if test -f $MGL_ROOT/lib/debug/$mgl_os/libmgl.a ; then
+            if test -f $MGL_ROOT/lib/debug/$mgl_os/libmgl.a -o \
+                    -f $MGL_ROOT/lib/debug/$mgl_os/libmgl.so; then
                 mgl_lib_type=debug
             fi
         fi
         if test "x$mgl_lib_type" = x ; then
-            if test -f $MGL_ROOT/lib/release/$mgl_os/libmgl.a ; then
+            if test -f $MGL_ROOT/lib/release/$mgl_os/libmgl.a -o \
+                    -f $MGL_ROOT/lib/release/$mgl_os/libmgl.so; then
                 mgl_lib_type=release
             else
                 AC_MSG_ERROR([Cannot find MGL libraries, make sure they are compiled.])
@@ -1814,12 +2055,12 @@ equivalent variable and GTK+ is version 1.2.3 or above.
             AC_MSG_ERROR(please set CFLAGS to contain the location of windows.h)
         ])
 
-        xpm_link=""
+        xpm_link=
         AC_MSG_CHECKING(for Xpm library)
         WX_PATH_FIND_LIBRARIES($SEARCH_LIB,Xpm)
         if test "$ac_find_libraries" != "" ; then
             GUI_TK_LIBRARY="-L$ac_find_libraries"
-            xpm_link="-lXpm"
+            xpm_link=" -lXpm"
             AC_DEFINE(wxHAVE_LIB_XPM)
             AC_MSG_RESULT(found at $ac_find_libraries)
         else
@@ -1827,18 +2068,18 @@ 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)
         fi
 
-        mesa_link=""
+        mesa_link=
         AC_MSG_CHECKING(for Mesa library)
         WX_PATH_FIND_LIBRARIES($SEARCH_LIB,MesaGL)
         if test "$ac_find_libraries" != "" ; then
             GUI_TK_LIBRARY="$GUI_TK_LIBRARY -L$ac_find_libraries"
-            mesa_link="-lMesaGL"
+            mesa_link=" -lMesaGL"
             AC_MSG_RESULT(found at $ac_find_libraries)
         else
             AC_MSG_ERROR(no)
         fi
 
-        GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lwine $mesa_link $xpm_link -lXxf86dga -lXxf86vm -lSM -lICE -lXext -lXmu -lX11 -lncurses"
+        GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lwine$mesa_link$xpm_link -lXxf86dga -lXxf86vm -lSM -lICE -lXext -lXmu -lX11 -lncurses"
         TOOLKIT=MSW
         GUIDIST=MSW_DIST
         TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -D__WXWINE__"
@@ -1916,13 +2157,13 @@ equivalent variable and GTK+ is version 1.2.3 or above.
             fi
         fi
 
-        xpm_link=""
+        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 "
+            xpm_link=" -lXpm"
             AC_DEFINE(wxHAVE_LIB_XPM)
             AC_MSG_RESULT(found at $ac_find_libraries)
         else
@@ -1935,7 +2176,7 @@ equivalent variable and GTK+ is version 1.2.3 or above.
                     version = XpmLibraryVersion();
                 ],
                 [
-                    xpm_link="-lXpm "
+                    xpm_link=" -lXpm"
                     AC_DEFINE(wxHAVE_LIB_XPM)
                     AC_MSG_RESULT(found in default search path)
                     COMPILED_X_PROGRAM=0
@@ -1947,7 +2188,7 @@ equivalent variable and GTK+ is version 1.2.3 or above.
             )
         fi
 
-        GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lXm $xpm_link -lXmu -lXext -lXt -lX11"
+        GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lXm$xpm_link -lXmu -lXext -lXt -lX11"
         TOOLKIT_VPATH="\${top_srcdir}/src/motif${PATH_IFS}\${top_srcdir}/src/motif/xmcombo"
         TOOLKIT=MOTIF
         GUIDIST=MOTIF_DIST
@@ -1955,12 +2196,12 @@ equivalent variable and GTK+ is version 1.2.3 or above.
 
     if test "$wxUSE_MAC" = 1; then
         if test "$wxUSE_PRECOMP" = "yes"; then
-            CPPFLAGS="${CPPFLAGS} -cpp-precomp"
+            CPPFLAGS="$CPPFLAGS -cpp-precomp"
         fi
-       CPPFLAGS="${CPPFLAGS} -I/Developer/Headers/FlatCarbon -I\${top_srcdir}/src/mac/morefile"
-        CFLAGS="${CFLAGS} -fpascal-strings"
-        CXXFLAGS="${CXXFLAGS} -fpascal-strings"
-        TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -DTARGET_CARBON"
+        CPPFLAGS="$CPPFLAGS -I/Developer/Headers/FlatCarbon -I\${top_srcdir}/src/mac/morefile"
+        CFLAGS="$CFLAGS -fpascal-strings"
+        CXXFLAGS="$CXXFLAGS -fpascal-strings"
+        TOOLCHAIN_DEFS="$TOOLCHAIN_DEFS -DTARGET_CARBON"
 
         TOOLKIT_VPATH="\${top_srcdir}/src/mac${PATH_IFS}\${top_srcdir}/src/mac/morefile"
         TOOLKIT=MAC
@@ -2007,16 +2248,16 @@ equivalent variable and GTK+ is version 1.2.3 or above.
     if test "$TOOLKIT" != "MSW" -a "$wxUSE_ODBC" = "yes" ; then
         ALL_OBJECTS="${ALL_OBJECTS} \$(IODBCOBJS)"
     fi
-    if test "$wxUSE_LIBJPEG" = "yes" ; then
+    if test "$wxUSE_LIBJPEG" = "builtin" ; then
         ALL_OBJECTS="${ALL_OBJECTS} \$(JPEGOBJS)"
     fi
-    if test "$wxUSE_LIBTIFF" = "yes" ; then
+    if test "$wxUSE_LIBTIFF" = "builtin" ; then
         ALL_OBJECTS="${ALL_OBJECTS} \$(TIFFOBJS)"
     fi
-    if test "$wxUSE_LIBPNG" = "yes" ; then
+    if test "$wxUSE_LIBPNG" = "builtin" ; then
         ALL_OBJECTS="${ALL_OBJECTS} \$(PNGOBJS)"
     fi
-    if test "$wxUSE_FREETYPE" = "yes" ; then
+    if test "$wxUSE_FREETYPE" = "builtin" ; then
         ALL_OBJECTS="${ALL_OBJECTS} \$(FREETYPEOBJS)"
     fi
 
@@ -2055,34 +2296,56 @@ else
     DISTDIR="wxBase"
 fi
 
-dnl REGEX_INCLUDE is only set if we want regex support and if we use our
-dnl own sources and not the system library
-if test "x$REGEX_INCLUDE" != "x" ; then
+dnl ---------------------------------------------------------------------------
+dnl Optional libraries included when system library is not used
+dnl ---------------------------------------------------------------------------
+if test "$wxUSE_REGEX" = "builtin" ; then
     ALL_OBJECTS="${ALL_OBJECTS} \$(REGEXOBJS)"
 fi
-if test "$wxUSE_ZLIB" = "yes" ; then
+if test "$wxUSE_ZLIB" = "builtin" ; then
     ALL_OBJECTS="${ALL_OBJECTS} \$(ZLIBOBJS)"
 fi
 
+dnl ---------------------------------------------------------------------------
+dnl OpenGL libraries
+dnl ---------------------------------------------------------------------------
 if test "$wxUSE_OPENGL" = "yes"; then
   if test "$wxUSE_MAC" = 1; then
+    OPENGL_LIBS="-framework OpenGL -framework AGL"
+  else
+
+    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$OPENGL_LIBS" = "x"; then
+        dnl it should be an error and not a warning because OpenGL is not on
+        dnl by default and so if it had been explicitely requested, we
+        dnl shouldn't just fall back to compiling the library without it
+        AC_MSG_ERROR(OpenGL libraries not available)
+    fi
+  fi
+
+  if test "$wxUSE_OPENGL" = "yes"; then
     AC_DEFINE(wxUSE_OPENGL)
     AC_DEFINE(wxUSE_GLCANVAS)
-    OPENGL_LIBS="-framework OpenGL -framework AGL"
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS opengl"
-  else
-    AC_CHECK_HEADER(GL/gl.h, [
-      AC_DEFINE(wxUSE_OPENGL)
-      AC_DEFINE(wxUSE_GLCANVAS)
-      SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS opengl"
-      AC_CHECK_LIB(GL, glFlush, [
-        OPENGL_LIBS="-lGL -lGLU"
-      ],[
-          AC_CHECK_LIB(MesaGL, glFlush, [
-          OPENGL_LIBS="-lMesaGL -lMesaGLU"
-        ],)
-       ],)
-      ],wxUSE_OPENGL=0)
   fi
 fi
 
@@ -2095,18 +2358,18 @@ if test -n "$TOOLKIT" ; then
     TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -D__WX${TOOLKIT}__"
 fi
 
-if test "$wxUSE_CYGWIN" = 1 ; then
-  TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -D__WIN95__"
+lib_unicode_suffix=
+if test "$wxUSE_UNICODE" = "yes"; then
+    lib_unicode_suffix=u
 fi
 
 lib_debug_suffix=
 if test "$wxUSE_DEBUG_FLAG" = "yes"; then
     lib_debug_suffix=d
-    TOOLCHAIN_NAME="${TOOLCHAIN_NAME}d"
 fi
 
-TOOLCHAIN_NAME="${TOOLKIT_DIR}${WIDGET_SET}${lib_debug_suffix}-${WX_RELEASE}"
-TOOLCHAIN_NAME_GL="${TOOLKIT_DIR}${WIDGET_SET}${lib_debug_suffix}_gl-${WX_RELEASE}"
+TOOLCHAIN_NAME="${TOOLKIT_DIR}${WIDGET_SET}${lib_unicode_suffix}${lib_debug_suffix}-${WX_RELEASE}"
+TOOLCHAIN_NAME_GL="${TOOLKIT_DIR}${WIDGET_SET}${lib_unicode_suffix}${lib_debug_suffix}_gl-${WX_RELEASE}"
 
 if test "$cross_compiling" = "yes"; then
     TOOLCHAIN_NAME="${TOOLCHAIN_NAME}-${host_alias}"
@@ -2117,17 +2380,6 @@ dnl library link name
 WX_LIBRARY="wx_${TOOLCHAIN_NAME}"
 WX_LIBRARY_GL="wx_${TOOLCHAIN_NAME_GL}"
 
-dnl define which libs wx-config should link.
-WXCONFIG_LIBS="-l${WX_LIBRARY}"
-
-if test "$wxUSE_OPENGL" = "yes"; then
-    WXCONFIG_LIBS_GL="-l${WX_LIBRARY_GL} $OPENGL_LIBS"
-fi
-
-dnl the name of the static library
-WX_LIBRARY_NAME_STATIC="lib${WX_LIBRARY}.a"
-WX_LIBRARY_NAME_STATIC_GL="lib${WX_LIBRARY_GL}.a"
-
 dnl the name of the shared library
 WX_LIBRARY_NAME_SHARED="lib${WX_LIBRARY}.${SO_SUFFIX}.${WX_CURRENT}.${WX_REVISION}.${WX_AGE}"
 WX_LIBRARY_NAME_SHARED_GL="lib${WX_LIBRARY_GL}.${SO_SUFFIX}.${WX_CURRENT}.${WX_REVISION}.${WX_AGE}"
@@ -2142,6 +2394,39 @@ dnl the name of the resources file for wxMac
 WX_RESOURCES_MACOSX="lib${WX_LIBRARY}.rsrc"
 WX_RESOURCES_MACOSX_COMPILED="lib${WX_LIBRARY}.r"
 
+case "${host}" in
+    *-*-cygwin* | *-*-mingw32* )
+
+        dnl If we are cross compiling we want to use the 'full' unix type name for the
+        dnl lib, but for a native install use the windows style naming convention.
+        dnl (excepting again that we strip the ELF style version numbers off it).
+
+        dnl FIXME: is this GL stuff actually even used for wxMSW?  should it be??
+
+        if test "$cross_compiling" != "yes"; 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}"
+            WX_LIBRARY_NAME_SHARED_GL="${WX_LIBRARY_GL}.${SO_SUFFIX}"
+        else
+            WX_LIBRARY_NAME_SHARED="lib${WX_LIBRARY}.${SO_SUFFIX}"
+            WX_LIBRARY_NAME_SHARED_GL="lib${WX_LIBRARY_GL}.${SO_SUFFIX}"
+        fi
+
+esac
+
+dnl the name of the static library
+WX_LIBRARY_NAME_STATIC="lib${WX_LIBRARY}.a"
+WX_LIBRARY_NAME_STATIC_GL="lib${WX_LIBRARY_GL}.a"
+
+dnl define which libs wx-config should link.
+WXCONFIG_LIBS="-l${WX_LIBRARY}"
+
+if test "$wxUSE_OPENGL" = "yes"; then
+    WXCONFIG_LIBS_GL="-l${WX_LIBRARY_GL} $OPENGL_LIBS"
+fi
+
+
 dnl --- the marker for quick search, leave it here: SHARED_LIB_SETUP ---
 
 if test "$wxUSE_SHARED" = "yes"; then
@@ -2169,7 +2454,7 @@ if test "$wxUSE_SHARED" = "yes"; then
         dnl default settings are good for gcc but not for the native HP-UX
         if test "$GCC" != "yes"; then
             dnl no idea why it wants it, but it does
-            LDFLAGS="-L/usr/lib"
+            LDFLAGS="$LDFLAGS -L/usr/lib"
 
             SHARED_LD="${CXX} -b -o"
             PIC_FLAG="+Z"
@@ -2225,9 +2510,9 @@ if test "$wxUSE_SHARED" = "yes"; then
       ;;
 
       *-*-darwin* )
-        CFLAGS="${CFLAGS} -fno-common"
-        CXXFLAGS="${CXXFLAGS} -fno-common"
-        SHARED_LD="${CXX} -dynamiclib -o"
+        CFLAGS="$CFLAGS -fno-common"
+        CXXFLAGS="$CXXFLAGS -fno-common"
+        SHARED_LD="$CXX -dynamiclib -o"
         PIC_FLAG="-dynamic -fPIC"
       ;;
 
@@ -2236,9 +2521,13 @@ if test "$wxUSE_SHARED" = "yes"; then
       ;;
 
       *-*-cygwin* | *-*-mingw32* )
-        SHARED_LD="${CXX} -shared -Wl,--out-implib,lib/${WX_LIBRARY_NAME_STATIC} -o"
-        TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -DWXUSINGDLL=1"
-        WXMSW_DLL_DEFINES="-UWXUSINGDLL -DWXMAKINGDLL=1 -D_DLL=1 -D_WINDLL=1"
+
+        WX_LIBRARY_IMPORTLIB="${WX_LIBRARY_NAME_SHARED}.a"
+
+        SHARED_LD="${CXX} -shared -Wl,--out-implib,lib/${WX_LIBRARY_IMPORTLIB} -o"
+        TOOLCHAIN_DLL_DEFS="${TOOLCHAIN_DLL_DEFS} -DWXUSINGDLL=1"
+
+        PIC_FLAG="-UWXUSINGDLL -DWXMAKINGDLL=1 -D_DLL=1 -D_WINDLL=1"
 
         dnl install shared libs without symlinks
         if test "$wxUSE_OPENGL" = "yes"; then
@@ -2247,12 +2536,9 @@ if test "$wxUSE_SHARED" = "yes"; then
         else
             WX_ALL="\$(build_libdir)/${WX_LIBRARY_NAME_SHARED}"
         fi
-        dnl -fPIC is not required for mingw build -- all code is already
-        dnl position independent
-        PIC_FLAG=
       ;;
 
-      *-pc-os2_emx )
+      *-pc-os2_emx | *-pc-os2-emx )
         dnl only static for now
         wxUSE_SHARED=no
       ;;
@@ -2295,6 +2581,10 @@ if test "$wxUSE_SHARED" = "no"; then
         WX_ALL_INSTALLED="${WX_ALL_INSTALLED} preinstall"
     fi
 
+    if test "$wxUSE_MAC" = 1; then
+        WX_ALL_INSTALLED="${WX_ALL_INSTALLED} preinstall"
+    fi
+
     if test "$wxUSE_OPENGL" = "yes"; then
         WX_ALL_INSTALLED="${WX_ALL_INSTALLED} preinstall_gl"
         WX_ALL="\$(build_libdir)/${WX_LIBRARY_NAME_STATIC} \$(build_libdir)/${WX_LIBRARY_NAME_STATIC_GL}"
@@ -2369,23 +2659,25 @@ 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)
 AC_CACHE_CHECK([for wchar_t], wx_cv_type_wchar_t,
 [
-    AC_TRY_COMPILE([#include <wchar.h>],
+    AC_TRY_COMPILE(
+        [
+            #ifdef HAVE_WCHAR_H
+            #  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,
-        AC_TRY_COMPILE([#include <stdlib.h>],
-            [
-                wchar_t wc, *ws;
-                wc = L'a';
-                ws = L"Hello, world!";
-            ],
-        wx_cv_type_wchar_t=yes,
-        wx_cv_type_wchar_t=no)
+        wx_cv_type_wchar_t=no
     )
 ])
 
@@ -2490,7 +2782,7 @@ 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 an AC_CHECK_SIZEOF only includes stdio.h
+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,
 [
@@ -2535,15 +2827,15 @@ dnl ---------------------------------------------------------------------------
 dnl check for wcslen
 AC_CHECK_LIB(c, wcslen, [
             AC_DEFINE(HAVE_WCSLEN)
-            WCHAR_LINK=""
+            WCHAR_LINK=
         ], [
             AC_CHECK_LIB(w, wcslen, [
                 AC_DEFINE(HAVE_WCSLEN)
-                WCHAR_LINK="-lw"
+                WCHAR_LINK=" -lw"
             ], [
                 AC_CHECK_LIB(msvcrt, wcslen, [
                     AC_DEFINE(HAVE_WCSLEN)
-                    WCHAR_LINK=""
+                    WCHAR_LINK=
                 ])
             ])
         ])
@@ -2775,7 +3067,7 @@ else
                  wx_cv_func_statvfs=no
             ]
         )
-    ]
+    )
 
     if test "$wx_cv_func_statvfs" = "yes"; then
         AC_DEFINE(HAVE_STATVFS)
@@ -2825,7 +3117,7 @@ if test "$HAVE_SOME_SLEEP_FUNC" != 1; then
             AC_CHECK_LIB(posix4, nanosleep,
                 [
                     AC_DEFINE(HAVE_NANOSLEEP)
-                    POSIX4_LINK="-lposix4"
+                    POSIX4_LINK=" -lposix4"
                 ],
                 [
                     AC_CHECK_FUNCS(usleep,
@@ -2874,7 +3166,7 @@ AC_CHECK_FUNCS(inet_aton,
 
 if test "x$INET_LINK" != "x"; then
     AC_DEFINE(HAVE_INET_ADDR)
-    INET_LINK="-l$INET_LINK"
+    INET_LINK=" -l$INET_LINK"
 fi
 
 fi
@@ -2963,7 +3255,7 @@ if test "$wxUSE_THREADS" = "yes" ; then
   dnl            AC_DEFINE(HAVE_`'translit($1, `A-Z', 'a-z'),
   dnl            [AC_CHECK_LIB([posix4], $1,
   dnl                [AC_DEFINE(HAVE_`'translit($1, `A-Z', 'a-z'))
-  dnl                 POSIX4_LINK="-lposix4"
+  dnl                 POSIX4_LINK=" -lposix4"
   dnl             ])
   dnl            ])
   dnl ])
@@ -2973,7 +3265,7 @@ if test "$wxUSE_THREADS" = "yes" ; then
   AC_CHECK_LIB($THREADS_LINK, sched_yield,
                AC_DEFINE(HAVE_SCHED_YIELD),
                [AC_CHECK_LIB([posix4], sched_yield,
-                   [AC_DEFINE(HAVE_SCHED_YIELD) POSIX4_LINK="-lposix4"],
+                   [AC_DEFINE(HAVE_SCHED_YIELD) POSIX4_LINK=" -lposix4"],
                    AC_MSG_WARN(wxThread::Yield will not work properly)
                 )]
                )
@@ -2992,7 +3284,7 @@ if test "$wxUSE_THREADS" = "yes" ; then
                        AC_CHECK_LIB([posix4], sched_get_priority_max,
                          [
                             HAVE_PRIOR_FUNCS=1
-                            POSIX4_LINK="-lposix4"
+                            POSIX4_LINK=" -lposix4"
                          ],
                        )
                    )
@@ -3082,14 +3374,14 @@ if test "$wxUSE_THREADS" = "yes" ; then
     fi
   fi
 
-  THREADS_LINK="-l$THREADS_LINK"
+  THREADS_LINK=" -l$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="${LDFLAGS} -mt"
+      CPPFLAGS="$CFLAGS -mt"
+      CXXFLAGS="$CXXFLAGS -mt"
+      LDFLAGS="$LDFLAGS -mt"
   fi
 fi
 
@@ -3101,7 +3393,7 @@ if test "$wxUSE_THREADS" = "yes"; then
 
   dnl must define _REENTRANT for multithreaded code except for Darwin/Mac OS X
   if test "$USE_DARWIN" != 1; then
-    TOOLCHAIN_DEFS="${TOOLCHAIN_DEFS} -D_REENTRANT"
+    TOOLCHAIN_DEFS="$TOOLCHAIN_DEFS -D_REENTRANT"
   fi
 
   SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS thread"
@@ -3161,12 +3453,12 @@ if test "$wxUSE_MEM_TRACING" = "yes" ; then
 fi
 
 if test "$wxUSE_DMALLOC" = "yes" ; then
-    DMALLOC_LINK="-ldmalloc"
+    DMALLOC_LIBS="-ldmalloc"
 fi
 
 PROFILE=
 if test "$wxUSE_PROFILE" = "yes" ; then
-    PROFILE="-pg"
+    PROFILE=" -pg"
 fi
 
 if test "$GCC" = yes ; then
@@ -3180,8 +3472,8 @@ if test "$GCC" = yes ; then
         CODE_GEN_FLAGS="$CODE_GEN_FLAGS -fpermissive"
     fi
     if test "$wxUSE_NO_DEPS" = "no" ; then
-        CFLAGS="-MMD ${CFLAGS}"
-        CXXFLAGS="-MMD ${CXXFLAGS}"
+        CFLAGS="-MMD $CFLAGS"
+        CXXFLAGS="-MMD $CXXFLAGS"
     fi
     if test "$USE_WIN32" = 1 ; then
         # I'm not even really sure what this was ever added to solve,
@@ -3219,124 +3511,6 @@ if test "$WXWIN_COMPATIBILITY_2_2" = "yes"; then
     AC_DEFINE(WXWIN_COMPATIBILITY_2_2)
 fi
 
-dnl ---------------------------------------------------------------------------
-dnl Optional libraries
-dnl ---------------------------------------------------------------------------
-
-ZLIB_INCLUDE=
-if test "$wxUSE_ZLIB" = "yes" -o "$wxUSE_ZLIB" = "sys" ; then
-  AC_DEFINE(wxUSE_ZLIB)
-  if test "$wxUSE_ZLIB" = "yes" ; then
-    ZLIB_INCLUDE="-I\${top_srcdir}/src/zlib"
-  else
-    ZLIB_LINK=
-    AC_CHECK_HEADER(zlib.h, AC_CHECK_LIB(z, deflate, ZLIB_LINK="-lz"))
-    if test "x$ZLIB_LINK" = "x" ; then
-        AC_MSG_ERROR(system zlib compression library not found! Use --with-zlib=yes to use built-in zlib)
-    fi
-  fi
-fi
-
-PNG_INCLUDE=
-if test "$wxUSE_LIBPNG" = "yes" -o "$wxUSE_LIBPNG" = "sys" ; then
-  AC_DEFINE(wxUSE_LIBPNG)
-  dnl for the check below to have a chance to succeed, we must already have
-  dnl libz somewhere
-  if test "$wxUSE_LIBPNG" = "sys" -a "$wxUSE_ZLIB" != "sys" ; then
-    AC_MSG_WARN([--with-libpng=sys doesn't work without --with-zlib=sys, will compile the built-in libpng instead])
-    wxUSE_LIBPNG=yes
-  fi
-
-  if test "$wxUSE_LIBPNG" = "yes" ; then
-    PNG_INCLUDE="-I\${top_srcdir}/src/png"
-  else
-    PNG_LINK=
-    AC_CHECK_HEADER(png.h,
-                    AC_CHECK_LIB(png, png_check_sig,
-                                 PNG_LINK="-lpng",
-                                 ,
-                                 [-lz -lm])
-                   )
-    if test "x$PNG_LINK" = "x" ; then
-        AC_MSG_ERROR(system png library not found! Use --with-libpng=yes to use the built-in libpng)
-    fi
-  fi
-
-  SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS png"
-fi
-
-JPEG_INCLUDE=
-if test "$wxUSE_LIBJPEG" = "yes" -o "$wxUSE_LIBJPEG" = "sys" ; then
-  AC_DEFINE(wxUSE_LIBJPEG)
-  if test "$wxUSE_LIBJPEG" = "yes" ; then
-    JPEG_INCLUDE="-I\${top_srcdir}/src/jpeg"
-  else
-    JPEG_LINK=
-    dnl can't use AC_CHECK_HEADER as jconfig.h defines things like
-    dnl HAVE_STDLIB_H which are already defined and this provokes
-    dnl a compiler warning which configure considers as an error...
-    AC_MSG_CHECKING(for jpeglib.h)
-    AC_CACHE_VAL(ac_cv_header_jpeglib_h,
-        AC_TRY_COMPILE(
-            [
-                #undef HAVE_STDLIB_H
-                #include <stdio.h>
-                #include <jpeglib.h>
-            ],
-            [
-            ],
-            ac_cv_header_jpeglib_h=yes,
-            ac_cv_header_jpeglib_h=no
-        )
-    )
-    AC_MSG_RESULT($ac_cv_header_jpeglib_h)
-
-    if test "$ac_cv_header_jpeglib_h" = "yes"; then
-        AC_CHECK_LIB(jpeg, jpeg_read_header, JPEG_LINK="-ljpeg")
-    fi
-
-    if test "x$JPEG_LINK" = "x" ; then
-        AC_MSG_ERROR(system jpeg library not found! Use --with-libjpeg=yes to use the built-in one)
-    fi
-  fi
-fi
-
-TIFF_INCLUDE=
-if test "$wxUSE_LIBTIFF" = "yes" -o "$wxUSE_LIBTIFF" = "sys" ; then
-  AC_DEFINE(wxUSE_LIBTIFF)
-  if test "$wxUSE_LIBTIFF" = "yes" ; then
-    TIFF_INCLUDE="-I\${top_srcdir}/src/tiff"
-  else
-    TIFF_LINK=
-    AC_CHECK_HEADER(tiffio.h, AC_CHECK_LIB(tiff, TIFFError,
-                                           TIFF_LINK="-ltiff",
-                                           ,
-                                           -lm))
-    if test "x$TIFF_LINK" = "x" ; then
-        AC_MSG_ERROR(system tiff library not found! Use --with-libtiff=yes to use the built-in one)
-    fi
-  fi
-fi
-
-FREETYPE_INCLUDE=
-if test "$wxUSE_FREETYPE" = "yes" -o "$wxUSE_FREETYPE" = "sys" ; then
-  AC_DEFINE(wxUSE_FREETYPE)
-  if test "$wxUSE_FREETYPE" = "yes" ; then
-    FREETYPE_INCLUDE="-I\${top_srcdir}/src/freetype"
-  else
-    FREETYPE_LINK=
-    AC_CHECK_HEADER(freetype.h,
-                    AC_CHECK_LIB(freetype, FT_Render_Glyph,
-                                 FREETYPE_LINK="-lfreetype",
-                                 ,
-                                 [-lm])
-                   )
-    if test "x$FREETYPE_LINK" = "x" ; then
-        AC_MSG_ERROR(system freetype library not found! Use --with-freetype=yes to use the built-in freetype)
-    fi
-  fi
-fi
-
 dnl ---------------------------------------------------------------------------
 dnl the library may be built without GUI classes at all
 dnl ---------------------------------------------------------------------------
@@ -3767,7 +3941,7 @@ if test "$TOOLKIT" != "MSW"; then
                             [
                                 AC_DEFINE(HAVE_DLOPEN)
                                 HAVE_DL_FUNCS=1
-                                LIBS="$LIBS -ldl"
+                                DL_LINK=" -ldl$DL_LINK"
                             ],
                             [
                                 AC_CHECK_FUNCS(shl_load,
@@ -3779,7 +3953,7 @@ if test "$TOOLKIT" != "MSW"; then
                                                 AC_CHECK_LIB(shl_load, dld,
                                                              [
                                                                 HAVE_SHL_FUNCS=1
-                                                                LIBS="$LIBS -ldld"
+                                                                DL_LINK=" -ldld$DL_LINK"
                                                              ])
                                               ])
                             ])
@@ -3893,7 +4067,7 @@ if test "$wxUSE_HELP" = "yes"; then
     AC_DEFINE(wxUSE_HELP)
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS help"
 
-    if test "$USE_WIN32" = 1; then
+    if test "$wxUSE_MSW" = 1; then
       if test "$wxUSE_MS_HTML_HELP" = "yes"; then
         AC_CHECK_HEADER(htmlhelp.h, 
             [
@@ -3944,16 +4118,16 @@ dnl ---------------------------------------------------------------------------
 
 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 "$USE_WIN32" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
-                            -o "$wxUSE_CLIPBOARD"     = "yes" \
-                            -o "$wxUSE_DRAG_AND_DROP" = "yes" \) ; then
+if test "$wxUSE_MSW" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
+                          -o "$wxUSE_CLIPBOARD"     = "yes" \
+                          -o "$wxUSE_DRAG_AND_DROP" = "yes" \) ; then
     AC_CHECK_HEADERS(ole2.h)
 
     if test "$ac_cv_header_ole2_h" = "yes" ; then
         if test "$GCC" = yes ; then
             ALL_OBJECTS="$ALL_OBJECTS \$(OLEOBJS)"
             CODE_GEN_FLAGS_CXX="$CODE_GEN_FLAGS_CXX -fvtable-thunks"
-            LIBS="$LIBS -lrpcrt4 -loleaut32 -lole32 -luuid"
+            LIBS=" -lrpcrt4 -loleaut32 -lole32 -luuid$LIBS"
             AC_DEFINE(wxUSE_OLE)
 
         fi
@@ -3968,7 +4142,6 @@ if test "$USE_WIN32" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
         wxUSE_DATAOBJ=no
     fi
 
-    dnl this is for MSW only, so we test for it inside "if USE_WIN32"
     if test "$wxUSE_METAFILE" = "yes"; then
         AC_DEFINE(wxUSE_METAFILE)
 
@@ -4454,20 +4627,24 @@ dnl ---------------------------------------------------------------------------
 dnl Output the makefiles and such from the results found above
 dnl ---------------------------------------------------------------------------
 
-GUILIBS="$GUI_TK_LIBRARY $TOOLKIT_LINK"
-
 dnl all additional libraries (except wxWindows itself) we link with
-dnl
+
 dnl note that we always link with -lm except for Mac OS X
 dnl extended.c uses floor() and is always linked in
-EXTRA_LIBS="$LIBS $POSIX4_LINK $INET_LINK $WCHAR_LINK $THREADS_LINK $DMALLOC_LINK $DL_LINK $ZLIB_LINK -lm"
 
 if test "$wxUSE_MAC" = 1 ; then
-    EXTRA_LIBS="$EXTRA_LIBS -framework Carbon -framework System"
+    LDFLAGS="$LDFLAGS -framework Carbon -framework System"
 fi
 
+dnl FIXME: should this be covered by the conditional above
+dnl given the -lm comment there?  Or should that comment (and
+dnl this one) be removed..   [ 7 Nov 2001 ]
+
+LIBS="$ZLIB_LINK$POSIX4_LINK$INET_LINK$WCHAR_LINK$THREADS_LINK$DL_LINK -lm$LIBS"
+
 if test "$wxUSE_GUI" = "yes"; then
-    EXTRA_LIBS="$GUILIBS $PNG_LINK $JPEG_LINK $TIFF_LINK $FREETYPE_LINK $EXTRA_LIBS"
+
+    LIBS=" $GUI_TK_LIBRARY$PNG_LINK$JPEG_LINK$TIFF_LINK$FREETYPE_LINK$LIBS"
 
     dnl TODO add checks that these samples will really compile (i.e. all the
     dnl      library features they need are present)
@@ -4484,9 +4661,6 @@ else
     SAMPLES_SUBDIRS="console"
 fi
 
-dnl all the libraries needed to link wxWindows programs when using the
-dnl makefile system without libtool
-LD_LIBS="\${top_builddir}/lib/${WX_LIBRARY_NAME_STATIC} $EXTRA_LIBS"
 
 dnl all -I options we must pass to the compiler
 INCLUDES="-I\${top_builddir}/lib/wx/include/${TOOLCHAIN_NAME} -I\${top_srcdir}/include \
@@ -4495,7 +4669,7 @@ $FREETYPE_INCLUDE $TOOLKIT_INCLUDE"
 
 dnl wxGTK does not need TOOLKIT includes in wx-config
 if test "$wxUSE_GTK" = 1; then
-    WXCONFIG_INCLUDE=""
+    WXCONFIG_INCLUDE=
 else
     WXCONFIG_INCLUDE="$TOOLKIT_INCLUDE"
 fi
@@ -4507,12 +4681,12 @@ if test "$GXX" = yes ; then
     dnl should enable this one day...
     dnl CXXWARNINGS="-Wall -Werror"
 fi
-EXTRA_CFLAGS="$WXDEBUG $WXODBCFLAG $PROFILE $OPTIMISE $INCLUDES"
+EXTRA_CFLAGS="$WXDEBUG $WXODBCFLAG$PROFILE $OPTIMISE $INCLUDES"
 
 CFLAGS=`echo $CFLAGS $EXTRA_CFLAGS $CXXWARNINGS | sed 's/ \\+/ /g'`
 CXXFLAGS=`echo $CXXFLAGS $EXTRA_CFLAGS $CXXWARNINGS | sed 's/ \+/ /g'`
 
-LDFLAGS="$LDFLAGS $PROFILE"
+LDFLAGS="$LDFLAGS$PROFILE"
 
 dnl for convenience, sort the samples in alphabetical order
 dnl
@@ -4534,6 +4708,7 @@ AC_SUBST(WX_MINOR_VERSION_NUMBER)
 AC_SUBST(WX_RELEASE_NUMBER)
 AC_SUBST(WX_LIBRARY_NAME_STATIC)
 AC_SUBST(WX_LIBRARY_NAME_SHARED)
+AC_SUBST(WX_LIBRARY_IMPORTLIB)
 AC_SUBST(WX_TARGET_LIBRARY)
 AC_SUBST(WX_LIBRARY_LINK1)
 AC_SUBST(WX_LIBRARY_LINK2)
@@ -4571,8 +4746,10 @@ AC_SUBST(TOOLKIT_DIR)
 AC_SUBST(TOOLKIT_VPATH)
 AC_SUBST(TOOLCHAIN_NAME)
 AC_SUBST(TOOLCHAIN_DEFS)
+AC_SUBST(TOOLCHAIN_DLL_DEFS)
 
 dnl wx-config options
+AC_SUBST(host_alias)
 AC_SUBST(cross_compiling)
 AC_SUBST(WXCONFIG_LIBS)
 AC_SUBST(WXCONFIG_LIBS_GL)
@@ -4593,12 +4770,9 @@ AC_SUBST(SAMPLES_SUBDIRS)
 
 dnl additional libraries and linker settings
 AC_SUBST(LDFLAGS)
-AC_SUBST(EXTRA_LIBS)
 AC_SUBST(OPENGL_LIBS)
+AC_SUBST(DMALLOC_LIBS)
 AC_SUBST(EXTRADEFS)
-AC_SUBST(LIBS)
-AC_SUBST(LD_LIBS)
-AC_SUBST(WXMSW_DLL_DEFINES)
 
 dnl additional resurces settings
 AC_SUBST(RESCOMP)