]> git.saurik.com Git - wxWidgets.git/blobdiff - aclocal.m4
check default library directories in WX_PATH_FIND_LIBRARIES; do *not* add default...
[wxWidgets.git] / aclocal.m4
index 0fce80ca4dda41413247c6d3d06da72ebeee58a2..97430256a5d989f1220e67da6b937a4314cad8b7 100644 (file)
@@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.7.2 -*- Autoconf -*-
+# generated automatically by aclocal 1.9.4 -*- Autoconf -*-
 
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
 # Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # PARTICULAR PURPOSE.
 
 dnl ---------------------------------------------------------------------------
-dnl
-dnl Macros for configure.in for wxWindows by Robert Roebling, Phil Blecker,
-dnl Vadim Zeitlin and Ron Lee
-dnl
-dnl This script is under the wxWindows licence.
-dnl
-dnl Version: $Id$
+dnl Compiler detection macros by David Elliott
 dnl ---------------------------------------------------------------------------
 
+
 dnl ===========================================================================
-dnl macros to find the a file in the list of include/lib paths
+dnl Macros to detect non-GNU compilers (MetroWerks, XLC)
 dnl ===========================================================================
 
-dnl ---------------------------------------------------------------------------
-dnl call WX_PATH_FIND_INCLUDES(search path, header name), sets ac_find_includes
-dnl to the full name of the file that was found or leaves it empty if not found
-dnl ---------------------------------------------------------------------------
-AC_DEFUN([WX_PATH_FIND_INCLUDES],
-[
-ac_find_includes=
-for ac_dir in $1 /usr/include;
-  do
-    if test -f "$ac_dir/$2"; then
-      ac_find_includes=$ac_dir
-      break
-    fi
-  done
+dnl Based on autoconf _AC_LANG_COMPILER_GNU
+AC_DEFUN([_AC_BAKEFILE_LANG_COMPILER_MWERKS],
+[AC_CACHE_CHECK([whether we are using the Metrowerks _AC_LANG compiler],
+    [bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_mwerks],
+    [AC_TRY_COMPILE([],[#ifndef __MWERKS__
+       choke me
+#endif
+],
+        [bakefile_compiler_mwerks=yes],
+        [bakefile_compiler_mwerks=no])
+    bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_mwerks=$bakefile_compiler_mwerks
+    ])
 ])
 
-dnl ---------------------------------------------------------------------------
-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],
-[
-ac_find_libraries=
-for ac_dir in $1 /usr/lib;
-  do
-    for ac_extension in a so sl dylib; do
-      if test -f "$ac_dir/lib$2.$ac_extension"; then
-        ac_find_libraries=$ac_dir
-        break 2
-      fi
-    done
-  done
+dnl Loosely based on autoconf AC_PROG_CC
+dnl TODO: Maybe this should wrap the call to AC_PROG_CC and be used instead.
+AC_DEFUN([AC_BAKEFILE_PROG_MWCC],
+[AC_LANG_PUSH(C)
+_AC_BAKEFILE_LANG_COMPILER_MWERKS
+MWCC=`test $bakefile_cv_c_compiler_mwerks = yes && echo yes`
+AC_LANG_POP(C)
 ])
 
-dnl ---------------------------------------------------------------------------
-dnl Path to include, already defined
-dnl ---------------------------------------------------------------------------
-AC_DEFUN([WX_INCLUDE_PATH_EXIST],
-[
-  dnl never add -I/usr/include to the CPPFLAGS
-  if test "x$1" = "x/usr/include"; then
-    ac_path_to_include=""
-  else
-    echo "$2" | grep "\-I$1" > /dev/null
-    result=$?
-    if test $result = 0; then
-      ac_path_to_include=""
-    else
-      ac_path_to_include=" -I$1"
-    fi
-  fi
+dnl Loosely based on autoconf AC_PROG_CXX
+dnl TODO: Maybe this should wrap the call to AC_PROG_CXX and be used instead.
+AC_DEFUN([AC_BAKEFILE_PROG_MWCXX],
+[AC_LANG_PUSH(C++)
+_AC_BAKEFILE_LANG_COMPILER_MWERKS
+MWCXX=`test $bakefile_cv_cxx_compiler_mwerks = yes && echo yes`
+AC_LANG_POP(C++)
 ])
 
-dnl ---------------------------------------------------------------------------
-dnl Path to link, already defined
-dnl ---------------------------------------------------------------------------
-AC_DEFUN([WX_LINK_PATH_EXIST],
-[
-  echo "$2" | grep "\-L$1" > /dev/null
-  result=$?
-  if test $result = 0; then
-    ac_path_to_link=""
-  else
-    ac_path_to_link=" -L$1"
-  fi
+dnl Based on autoconf _AC_LANG_COMPILER_GNU
+AC_DEFUN([_AC_BAKEFILE_LANG_COMPILER_XLC],
+[AC_CACHE_CHECK([whether we are using the IBM xlC _AC_LANG compiler],
+    [wx_cv_[]_AC_LANG_ABBREV[]_compiler_xlc],
+    [AC_TRY_COMPILE([],[#ifndef __xlC__
+       choke me
+#endif
+],
+        [wx_compiler_xlc=yes],
+        [wx_compiler_xlc=no])
+    wx_cv_[]_AC_LANG_ABBREV[]_compiler_xlc=$wx_compiler_xlc
+    ])
 ])
 
-dnl ===========================================================================
-dnl C++ features test
-dnl ===========================================================================
+dnl Loosely based on autoconf AC_PROG_CC
+AC_DEFUN([AC_BAKEFILE_PROG_XLCC],
+[AC_LANG_PUSH(C)
+_AC_BAKEFILE_LANG_COMPILER_XLC
+XLCC=`test $wx_cv_c_compiler_xlc = yes && echo yes`
+AC_LANG_POP(C)
+])
 
-dnl ---------------------------------------------------------------------------
-dnl WX_CPP_NEW_HEADERS checks whether the compiler has "new" <iostream> header
-dnl or only the old <iostream.h> one - it may be generally assumed that if
-dnl <iostream> exists, the other "new" headers (without .h) exist too.
-dnl
-dnl call WX_CPP_NEW_HEADERS(actiof-if-true, action-if-false-or-cross-compiling)
-dnl ---------------------------------------------------------------------------
+dnl Loosely based on autoconf AC_PROG_CXX
+AC_DEFUN([AC_BAKEFILE_PROG_XLCXX],
+[AC_LANG_PUSH(C++)
+_AC_BAKEFILE_LANG_COMPILER_XLC
+XLCXX=`test $wx_cv_cxx_compiler_xlc = yes && echo yes`
+AC_LANG_POP(C++)
+])
 
-AC_DEFUN([WX_CPP_NEW_HEADERS],
+dnl Based on autoconf _AC_LANG_COMPILER_GNU
+dnl _AC_BAKEFILE_LANG_COMPILER(NAME, LANG, SYMBOL, IF-YES, IF-NO)
+AC_DEFUN([_AC_BAKEFILE_LANG_COMPILER],
 [
-  if test "$cross_compiling" = "yes"; then
-    ifelse([$2], , :, [$2])
-  else
-    AC_LANG_SAVE
-    AC_LANG_CPLUSPLUS
-
-    AC_CHECK_HEADERS(iostream)
-
-    if test "$ac_cv_header_iostream" = "yes" ; then
-      ifelse([$1], , :, [$1])
+    AC_LANG_PUSH($2)
+    AC_CACHE_CHECK(
+        [whether we are using the $1 $2 compiler],
+        [bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_[]$3],
+        [AC_TRY_COMPILE(
+            [],
+            [
+             #ifndef $3
+                choke me
+             #endif
+            ],
+            [bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_[]$3=yes],
+            [bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_[]$3=no]
+         )
+        ]
+    )
+    AC_LANG_POP($2)
+    if test "x$bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_[]$3" = "xyes"; then
+        :; $4
     else
-      ifelse([$2], , :, [$2])
+        :; $5
     fi
-
-    AC_LANG_RESTORE
-  fi
 ])
 
-dnl ---------------------------------------------------------------------------
-dnl WX_CPP_BOOL checks whether the C++ compiler has a built in bool type
-dnl
-dnl call WX_CPP_BOOL - will define HAVE_BOOL if the compiler supports bool
-dnl ---------------------------------------------------------------------------
-
-AC_DEFUN([WX_CPP_BOOL],
+dnl Loosely based on autoconf AC_PROG_CC
+AC_DEFUN([AC_BAKEFILE_PROG_SUNCC],
 [
-  AC_CACHE_CHECK([if C++ compiler supports bool], wx_cv_cpp_bool,
-  [
-    AC_LANG_SAVE
-    AC_LANG_CPLUSPLUS
+    _AC_BAKEFILE_LANG_COMPILER(Sun, C, __SUNPRO_C, SUNCC=yes)
+])
 
-    AC_TRY_COMPILE(
-      [
-      ],
-      [
-        bool b = true;
+dnl Loosely based on autoconf AC_PROG_CC
+AC_DEFUN([AC_BAKEFILE_PROG_SUNCXX],
+[
+    _AC_BAKEFILE_LANG_COMPILER(Sun, C++, __SUNPRO_CC, SUNCXX=yes)
+])
 
-        return 0;
-      ],
-      [
-        wx_cv_cpp_bool=yes
-      ],
-      [
-        wx_cv_cpp_bool=no
-      ]
-    )
 
-    AC_LANG_RESTORE
-  ])
+dnl ===========================================================================
+dnl macros to detect specialty compiler options
+dnl ===========================================================================
 
-  if test "$wx_cv_cpp_bool" = "yes"; then
-    AC_DEFINE(HAVE_BOOL)
-  fi
-])
+dnl Figure out if we need to pass -ext o to compiler (MetroWerks)
+AC_DEFUN([AC_BAKEFILE_METROWERKS_EXTO],
+[AC_CACHE_CHECK([if the _AC_LANG compiler requires -ext o], wx_cv_[]_AC_LANG_ABBREV[]_exto,
+dnl First create an empty conf test
+[AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
+dnl Now remove .o and .c.o or .cc.o
+rm -f conftest.$ac_objext conftest.$ac_ext.o
+dnl Now compile the test
+AS_IF([AC_TRY_EVAL(ac_compile)],
+dnl If the test succeeded look for conftest.c.o or conftest.cc.o
+[for ac_file in `(ls conftest.* 2>/dev/null)`; do
+    case $ac_file in
+        conftest.$ac_ext.o)
+            wx_cv_[]_AC_LANG_ABBREV[]_exto="-ext o"
+            ;;
+        *)
+            ;;
+    esac
+done],
+[AC_MSG_FAILURE([cannot figure out if compiler needs -ext o: cannot compile])
+]) dnl AS_IF
 
-dnl ---------------------------------------------------------------------------
-dnl WX_CPP_EXPLICIT checks whether the C++ compiler support the explicit
-dnl keyword and defines HAVE_EXPLICIT if this is the case
-dnl ---------------------------------------------------------------------------
+rm -f conftest.$ac_ext.o conftest.$ac_objext conftest.$ac_ext
+]) dnl AC_CACHE_CHECK
 
-AC_DEFUN([WX_CPP_EXPLICIT],
-[
-  AC_CACHE_CHECK([if C++ compiler supports the explicit keyword],
-                 wx_cv_explicit,
-  [
-    AC_LANG_SAVE
-    AC_LANG_CPLUSPLUS
-
-    dnl do the test in 2 steps: first check that the compiler knows about the
-    dnl explicit keyword at all and then verify that it really honours it
-    AC_TRY_COMPILE(
-      [
-        class Foo { public: explicit Foo(int) {} };
-      ],
-      [
-        return 0;
-      ],
-      [
-        AC_TRY_COMPILE(
-            [
-                class Foo { public: explicit Foo(int) {} };
-                static void TakeFoo(const Foo& foo) { }
-            ],
-            [
-                TakeFoo(17);
-                return 0;
-            ],
-            wx_cv_explicit=no,
-            wx_cv_explicit=yes
-        )
-      ],
-      wx_cv_explicit=no
-    )
+if test "x$wx_cv_[]_AC_LANG_ABBREV[]_exto" '!=' "x"; then
+    if test "[]_AC_LANG_ABBREV[]" = "c"; then
+        CFLAGS="$wx_cv_[]_AC_LANG_ABBREV[]_exto $CFLAGS"
+    fi
+    if test "[]_AC_LANG_ABBREV[]" = "cxx"; then
+        CXXFLAGS="$wx_cv_[]_AC_LANG_ABBREV[]_exto $CXXFLAGS"
+    fi
+fi
+]) dnl AC_DEFUN
 
-    AC_LANG_RESTORE
-  ])
 
-  if test "$wx_cv_explicit" = "yes"; then
-    AC_DEFINE(HAVE_EXPLICIT)
-  fi
+dnl ===========================================================================
+dnl Macros to do all of the compiler detections as one macro
+dnl ===========================================================================
+AC_DEFUN([AC_BAKEFILE_PROG_CC],
+[
+    AC_PROG_CC
+    AC_BAKEFILE_METROWERKS_EXTO
+    dnl By the time we find out that we need -ext o some tests have failed.
+    if test "x$wx_cv_c_exto" '!=' "x"; then
+        unset ac_cv_prog_cc_g
+        _AC_PROG_CC_G
+    fi
+    AC_BAKEFILE_PROG_MWCC
+    AC_BAKEFILE_PROG_XLCC
+    AC_BAKEFILE_PROG_SUNCC
 ])
 
-dnl ---------------------------------------------------------------------------
-dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling
-dnl ---------------------------------------------------------------------------
-
-AC_DEFUN([WX_C_BIGENDIAN],
-[AC_CACHE_CHECK([whether byte ordering is bigendian], ac_cv_c_bigendian,
-[ac_cv_c_bigendian=unknown
-# See if sys/param.h defines the BYTE_ORDER macro.
-AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/param.h>], [
-#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
- bogus endian macros
-#endif], [# It does; now see whether it defined to BIG_ENDIAN or not.
-AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/param.h>], [
-#if BYTE_ORDER != BIG_ENDIAN
- not big endian
-#endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
-if test $ac_cv_c_bigendian = unknown; then
-AC_TRY_RUN([main () {
-  /* Are we little or big endian?  From Harbison&Steele.  */
-  union
-  {
-    long l;
-    char c[sizeof (long)];
-  } u;
-  u.l = 1;
-  exit (u.c[sizeof (long) - 1] == 1);
-}], [ac_cv_c_bigendian=no], [ac_cv_c_bigendian=yes], [ac_cv_c_bigendian=unknown])
-fi])
-if test $ac_cv_c_bigendian = unknown; then
-  AC_MSG_WARN([Assuming little-endian target machine - this may be overriden by adding the line "ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'}" to config.cache file])
-fi
-if test $ac_cv_c_bigendian = yes; then
-  AC_DEFINE(WORDS_BIGENDIAN)
-fi
+AC_DEFUN([AC_BAKEFILE_PROG_CXX],
+[
+    AC_PROG_CXX
+    AC_BAKEFILE_METROWERKS_EXTO
+    dnl By the time we find out that we need -ext o some tests have failed.
+    if test "x$wx_cv_cxx_exto" '!=' "x"; then
+        unset ac_cv_prog_cxx_g
+        _AC_PROG_CXX_G
+    fi
+    AC_BAKEFILE_PROG_MWCXX
+    AC_BAKEFILE_PROG_XLCXX
+    AC_BAKEFILE_PROG_SUNCXX
 ])
 
+
 dnl ---------------------------------------------------------------------------
-dnl override AC_ARG_ENABLE/WITH to cache the results in .cache file
+dnl Support macros for makefiles generated by BAKEFILE.
 dnl ---------------------------------------------------------------------------
 
-AC_DEFUN([WX_ARG_CACHE_INIT],
-        [
-          wx_arg_cache_file="configarg.cache"
-          echo "loading argument cache $wx_arg_cache_file"
-          rm -f ${wx_arg_cache_file}.tmp
-          touch ${wx_arg_cache_file}.tmp
-          touch ${wx_arg_cache_file}
-        ])
-
-AC_DEFUN([WX_ARG_CACHE_FLUSH],
-        [
-          echo "saving argument cache $wx_arg_cache_file"
-          mv ${wx_arg_cache_file}.tmp ${wx_arg_cache_file}
-        ])
-
-dnl this macro checks for a three-valued command line --with argument:
-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],
-        [
-          AC_MSG_CHECKING([for --with-$1])
-          no_cache=0
-          AC_ARG_WITH($1, [$2],
-                      [
-                        if test "$withval" = yes; then
-                          ac_cv_use_$1='$3=yes'
-                        elif test "$withval" = no; then
-                          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, sys, or builtin])
-                        fi
-                      ],
-                      [
-                        LINE=`grep "$3" ${wx_arg_cache_file}`
-                        if test "x$LINE" != x ; then
-                          eval "DEFAULT_$LINE"
-                        else
-                          no_cache=1
-                        fi
-
-                        ac_cv_use_$1='$3='$DEFAULT_$3
-                      ])
-
-          eval "$ac_cv_use_$1"
-          if test "$no_cache" != 1; then
-            echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
-          fi
-
-          if test "$$3" = yes; then
-            AC_MSG_RESULT(yes)
-          elif test "$$3" = no; then
-            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, sys, or builtin])
-          fi
-        ])
-
-dnl this macro checks for a command line argument and caches the result
-dnl usage: WX_ARG_WITH(option, helpmessage, variable-name)
-AC_DEFUN([WX_ARG_WITH],
-        [
-          AC_MSG_CHECKING([for --with-$1])
-          no_cache=0
-          AC_ARG_WITH($1, [$2],
-                      [
-                        if test "$withval" = yes; then
-                          ac_cv_use_$1='$3=yes'
-                        else
-                          ac_cv_use_$1='$3=no'
-                        fi
-                      ],
-                      [
-                        LINE=`grep "$3" ${wx_arg_cache_file}`
-                        if test "x$LINE" != x ; then
-                          eval "DEFAULT_$LINE"
-                        else
-                          no_cache=1
-                        fi
-
-                        ac_cv_use_$1='$3='$DEFAULT_$3
-                      ])
-
-          eval "$ac_cv_use_$1"
-          if test "$no_cache" != 1; then
-            echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
-          fi
-
-          if test "$$3" = yes; then
-            AC_MSG_RESULT(yes)
-          else
-            AC_MSG_RESULT(no)
-          fi
-        ])
-
-dnl like WX_ARG_WITH but uses AC_ARG_ENABLE instead of AC_ARG_WITH
-dnl usage: WX_ARG_ENABLE(option, helpmessage, variable-name, enablestring)
-dnl
-dnl enablestring is a hack and allows to show "checking for --disable-foo"
-dnl message when running configure instead of the default "checking for
-dnl --enable-foo" one whih is useful for the options enabled by default
-AC_DEFUN([WX_ARG_ENABLE],
-        [
-         enablestring=$4
-          AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
-          no_cache=0
-          AC_ARG_ENABLE($1, [$2],
-                        [
-                          if test "$enableval" = yes; then
-                            ac_cv_use_$1='$3=yes'
-                          else
-                            ac_cv_use_$1='$3=no'
-                          fi
-                        ],
-                        [
-                          LINE=`grep "$3" ${wx_arg_cache_file}`
-                          if test "x$LINE" != x ; then
-                            eval "DEFAULT_$LINE"
-                          else
-                            no_cache=1
-                          fi
-
-                          ac_cv_use_$1='$3='$DEFAULT_$3
-                        ])
-
-          eval "$ac_cv_use_$1"
-          if test "$no_cache" != 1; then
-            echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
-          fi
-
-          if test "$$3" = yes; then
-            AC_MSG_RESULT(yes)
-          else
-            AC_MSG_RESULT(no)
-          fi
-        ])
+dnl Lots of compiler & linker detection code contained here was taken from
+dnl wxWindows configure.in script (see http://www.wxwindows.org)
 
 
-dnl ===========================================================================
-dnl Linker features test
-dnl ===========================================================================
 
 dnl ---------------------------------------------------------------------------
-dnl WX_VERSIONED_SYMBOLS checks whether the linker can create versioned
-dnl symbols. If it can, sets LDFLAGS_VERSIONING to $CXX flags needed to use
-dnl version script file named versionfile
+dnl AC_BAKEFILE_GNUMAKE
 dnl
-dnl call WX_VERSIONED_SYMBOLS(versionfile)
+dnl Detects GNU make
 dnl ---------------------------------------------------------------------------
-AC_DEFUN([WX_VERSIONED_SYMBOLS],
+
+AC_DEFUN([AC_BAKEFILE_GNUMAKE],
 [
-  found_versioning=no
-
-  dnl FIXME - doesn't work, Solaris linker doesn't accept wildcards
-  dnl         in the script.
-  dnl dnl Check for known non-gcc cases:
-  dnl case "${host}" in
-  dnl   *-*-solaris2* )
-  dnl     if test "x$GCC" != "xyes" ; then
-  dnl         LDFLAGS_VERSIONING="-M $1"
-  dnl         found_versioning=yes
-  dnl     fi
-  dnl   ;;
-  dnl esac
-  
-  dnl Generic check for GCC or GCC-like behaviour (Intel C++, GCC):
-  if test $found_versioning = no ; then
-      AC_CACHE_CHECK([if the linker accepts --version-script], wx_cv_version_script,
-      [
-        echo "VER_1 { *; };" >conftest.sym
-        echo "int main() { return 0; }" >conftest.cpp
-  
-        if AC_TRY_COMMAND([
-                $CXX -o conftest.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
-                -Wl,--version-script,conftest.sym >/dev/null 2>conftest.stderr]) ; then
-          if test -s conftest.stderr ; then
-              wx_cv_version_script=no
-          else
-              wx_cv_version_script=yes
-          fi
+    dnl does make support "-include" (only GNU make does AFAIK)?
+    AC_CACHE_CHECK([if make is GNU make], bakefile_cv_prog_makeisgnu,
+    [
+        if ( ${SHELL-sh} -c "${MAKE-make} --version" 2> /dev/null |
+                egrep -s GNU > /dev/null); then
+            bakefile_cv_prog_makeisgnu="yes"
         else
-          wx_cv_version_script=no
+            bakefile_cv_prog_makeisgnu="no"
         fi
-        rm -f conftest.output conftest.stderr conftest.sym conftest.cpp
-      ])
-      if test $wx_cv_version_script = yes ; then
-        LDFLAGS_VERSIONING="-Wl,--version-script,$1"
-      fi
-  fi
-])
-
+    ])
 
-dnl ===========================================================================
-dnl "3rd party" macros included here because they are not widely available
-dnl ===========================================================================
+    if test "x$bakefile_cv_prog_makeisgnu" = "xyes"; then
+        IF_GNU_MAKE=""
+    else
+        IF_GNU_MAKE="#"
+    fi
+    AC_SUBST(IF_GNU_MAKE)
+])
 
 dnl ---------------------------------------------------------------------------
-dnl test for availability of iconv()
+dnl AC_BAKEFILE_PLATFORM
+dnl
+dnl Detects platform and sets PLATFORM_XXX variables accordingly
 dnl ---------------------------------------------------------------------------
 
-dnl From Bruno Haible.
-
-AC_DEFUN([AM_ICONV],
+AC_DEFUN([AC_BAKEFILE_PLATFORM],
 [
-  dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
-  dnl those with the standalone portable GNU libiconv installed).
-
-  AC_ARG_WITH([libiconv-prefix],
-[  --with-libiconv-prefix=DIR  search for libiconv in DIR/include and DIR/lib], [
-    for dir in `echo "$withval" | tr : ' '`; do
-      if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
-      if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
-    done
-   ])
-
-  AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
-    am_cv_func_iconv="no, consider installing GNU libiconv"
-    am_cv_lib_iconv=no
-    AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
-      [iconv_t cd = iconv_open("","");
-       iconv(cd,NULL,NULL,NULL,NULL);
-       iconv_close(cd);],
-      am_cv_func_iconv=yes)
-    if test "$am_cv_func_iconv" != yes; then
-      am_save_LIBS="$LIBS"
-      LIBS="$LIBS -liconv"
-      AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
-        [iconv_t cd = iconv_open("","");
-         iconv(cd,NULL,NULL,NULL,NULL);
-         iconv_close(cd);],
-        am_cv_lib_iconv=yes
-        am_cv_func_iconv=yes)
-      LIBS="$am_save_LIBS"
-    fi
-  ])
-  if test "$am_cv_func_iconv" = yes; then
-    AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
-    AC_CACHE_CHECK([if iconv needs const], wx_cv_func_iconv_const,
-      AC_TRY_COMPILE([
-#include <stdlib.h>
-#include <iconv.h>
-extern
-#ifdef __cplusplus
-"C"
-#endif
-#if defined(__STDC__) || defined(__cplusplus)
-size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
-#else
-size_t iconv();
-#endif
-        ],
-        [],
-        wx_cv_func_iconv_const="no",
-        wx_cv_func_iconv_const="yes"
-      )
-    )
+    PLATFORM_UNIX=0
+    PLATFORM_WIN32=0
+    PLATFORM_MSDOS=0
+    PLATFORM_MAC=0
+    PLATFORM_MACOS=0
+    PLATFORM_MACOSX=0
+    PLATFORM_OS2=0
+    PLATFORM_BEOS=0
 
-    iconv_const=
-    if test "x$wx_cv_func_iconv_const" = "xyes"; then
-        iconv_const="const"
+    if test "x$BAKEFILE_FORCE_PLATFORM" = "x"; then 
+        case "${BAKEFILE_HOST}" in
+            *-*-mingw32* )
+                PLATFORM_WIN32=1
+            ;;
+            *-pc-msdosdjgpp )
+                PLATFORM_MSDOS=1
+            ;;
+            *-pc-os2_emx | *-pc-os2-emx )
+                PLATFORM_OS2=1
+            ;;
+            *-*-darwin* )
+                PLATFORM_MAC=1
+                PLATFORM_MACOSX=1
+            ;; 
+            *-*-beos* )
+                PLATFORM_BEOS=1
+            ;;
+            powerpc-apple-macos* )
+                PLATFORM_MAC=1
+                PLATFORM_MACOS=1
+            ;;
+            * )
+                PLATFORM_UNIX=1
+            ;;
+        esac
+    else
+        case "$BAKEFILE_FORCE_PLATFORM" in
+            win32 )
+                PLATFORM_WIN32=1
+            ;;
+            msdos )
+                PLATFORM_MSDOS=1
+            ;;
+            os2 )
+                PLATFORM_OS2=1
+            ;;
+            darwin )
+                PLATFORM_MAC=1
+                PLATFORM_MACOSX=1
+            ;;
+            unix )
+                PLATFORM_UNIX=1
+            ;;
+            beos )
+                PLATFORM_BEOS=1
+            ;;
+            * )
+                AC_MSG_ERROR([Unknown platform: $BAKEFILE_FORCE_PLATFORM])
+            ;;
+        esac
     fi
 
-    AC_DEFINE_UNQUOTED(ICONV_CONST, $iconv_const,
-      [Define as const if the declaration of iconv() needs const.])
-  fi
-  LIBICONV=
-  if test "$am_cv_lib_iconv" = yes; then
-    LIBICONV="-liconv"
-  fi
-  AC_SUBST(LIBICONV)
+    AC_SUBST(PLATFORM_UNIX)
+    AC_SUBST(PLATFORM_WIN32)
+    AC_SUBST(PLATFORM_MSDOS)
+    AC_SUBST(PLATFORM_MAC)
+    AC_SUBST(PLATFORM_MACOS)
+    AC_SUBST(PLATFORM_MACOSX)
+    AC_SUBST(PLATFORM_OS2)
+    AC_SUBST(PLATFORM_BEOS)
 ])
 
-dnl ---------------------------------------------------------------------------
-dnl AC_SYS_LARGEFILE (partly based on the code from autoconf 2.5x)
-dnl ---------------------------------------------------------------------------
 
-dnl WX_SYS_LARGEFILE_TEST
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_PLATFORM_SPECIFICS
 dnl
-dnl NB: original autoconf test was checking if compiler supported 6 bit off_t
-dnl     arithmetic properly but this failed miserably with gcc under Linux
-dnl     whereas the system still supports 64 bit files, so now simply check
-dnl     that off_t is big enough
-define(WX_SYS_LARGEFILE_TEST,
-[typedef struct {
-    unsigned int field: sizeof(off_t) == 8;
-} wxlf;
-])
-
+dnl Sets misc platform-specific settings
+dnl ---------------------------------------------------------------------------
 
-dnl WX_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, CACHE-VAR)
-define(WX_SYS_LARGEFILE_MACRO_VALUE,
+AC_DEFUN([AC_BAKEFILE_PLATFORM_SPECIFICS],
 [
-    AC_CACHE_CHECK([for $1 value needed for large files], [$3],
-        [
-          AC_TRY_COMPILE([#define $1 $2
-                          #include <sys/types.h>],
-                         WX_SYS_LARGEFILE_TEST,
-                         [$3=$2],
-                         [$3=no])
-        ]
-    )
+    AC_ARG_ENABLE([omf], AS_HELP_STRING([--enable-omf],
+                                        [use OMF object format (OS/2)]),
+                  [bk_os2_use_omf="$enableval"])
+    
+    case "${BAKEFILE_HOST}" in
+      *-*-darwin* )
+        dnl For Unix to MacOS X porting instructions, see:
+        dnl http://fink.sourceforge.net/doc/porting/porting.html
+        if test "x$GCC" = "xyes"; then
+            CFLAGS="$CFLAGS -fno-common"
+            CXXFLAGS="$CXXFLAGS -fno-common"
+        fi
+        if test "x$XLCC" = "xyes"; then
+            CFLAGS="$CFLAGS -qnocommon"
+            CXXFLAGS="$CXXFLAGS -qnocommon"
+        fi
+        ;;
 
-    if test "$$3" != no; then
-        wx_largefile=yes
-        AC_DEFINE_UNQUOTED([$1], [$$3])
-    fi
+      *-pc-os2_emx | *-pc-os2-emx )
+        if test "x$bk_os2_use_omf" = "xyes" ; then
+            AR=emxomfar
+            RANLIB=:
+            LDFLAGS="-Zomf $LDFLAGS"
+            CFLAGS="-Zomf $CFLAGS"
+            CXXFLAGS="-Zomf $CXXFLAGS"
+            OS2_LIBEXT="lib"
+        else
+            OS2_LIBEXT="a"
+        fi
+        ;;
+      
+      i*86-*-beos* )
+        LDFLAGS="-L/boot/develop/lib/x86 $LDFLAGS"
+        ;;
+    esac
 ])
 
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_SUFFIXES
+dnl
+dnl Detects shared various suffixes for shared libraries, libraries, programs,
+dnl plugins etc.
+dnl ---------------------------------------------------------------------------
 
-dnl AC_SYS_LARGEFILE
-dnl ----------------
-dnl By default, many hosts won't let programs access large files;
-dnl one must use special compiler options to get large-file access to work.
-dnl For more details about this brain damage please see:
-dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html
-AC_DEFUN([AC_SYS_LARGEFILE],
-[AC_ARG_ENABLE(largefile,
-               [  --disable-largefile     omit support for large files])
-if test "$enable_largefile" != no; then
-    dnl _FILE_OFFSET_BITS==64 is needed for Linux, Solaris, ...
-    dnl _LARGE_FILES -- for AIX
-    wx_largefile=no
-    WX_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64, ac_cv_sys_file_offset_bits)
-    if test "x$wx_largefile" != "xyes"; then
-        WX_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1, ac_cv_sys_large_files)
-    fi
+AC_DEFUN([AC_BAKEFILE_SUFFIXES],
+[
+    SO_SUFFIX="so"
+    SO_SUFFIX_MODULE="so"
+    EXEEXT=""
+    LIBPREFIX="lib"
+    LIBEXT=".a"
+    DLLPREFIX="lib"
+    DLLPREFIX_MODULE=""
+    DLLIMP_SUFFIX=""
+    dlldir="$libdir"
+    
+    case "${BAKEFILE_HOST}" in
+        *-hp-hpux* )
+            SO_SUFFIX="sl"
+            SO_SUFFIX_MODULE="sl"
+        ;;
+        *-*-aix* )
+            dnl quoting from
+            dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html:
+            dnl     Both archive libraries and shared libraries on AIX have an
+            dnl     .a extension. This will explain why you can't link with an
+            dnl     .so and why it works with the name changed to .a.
+            SO_SUFFIX="a"
+            SO_SUFFIX_MODULE="a"
+        ;;
+        *-*-cygwin* )
+            SO_SUFFIX="dll"
+            SO_SUFFIX_MODULE="dll"
+            DLLIMP_SUFFIX="dll.a"
+            EXEEXT=".exe"
+            DLLPREFIX="cyg"
+            dlldir="$bindir"
+        ;;
+        *-*-mingw32* )
+            SO_SUFFIX="dll"
+            SO_SUFFIX_MODULE="dll"
+            DLLIMP_SUFFIX="dll.a"
+            EXEEXT=".exe"
+            DLLPREFIX=""
+            dlldir="$bindir"
+        ;;
+        *-pc-msdosdjgpp )
+            EXEEXT=".exe"
+            DLLPREFIX=""
+            dlldir="$bindir"
+        ;;
+        *-pc-os2_emx | *-pc-os2-emx )
+            SO_SUFFIX="dll"
+            SO_SUFFIX_MODULE="dll"
+            DLLIMP_SUFFIX=$OS2_LIBEXT
+            EXEEXT=".exe"
+            DLLPREFIX=""
+            LIBPREFIX=""
+            LIBEXT=".$OS2_LIBEXT"
+            dlldir="$bindir"
+        ;;
+        *-*-darwin* )
+            SO_SUFFIX="dylib"
+            SO_SUFFIX_MODULE="bundle"
+        ;;
+    esac
 
-    AC_MSG_CHECKING(if large file support is available)
-    if test "x$wx_largefile" = "xyes"; then
-        AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
+    if test "x$DLLIMP_SUFFIX" = "x" ; then
+        DLLIMP_SUFFIX="$SO_SUFFIX"
     fi
-    AC_MSG_RESULT($wx_largefile)
-fi
-])
 
-
-dnl Available from the GNU Autoconf Macro Archive at:
-dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_const_cast.html
-dnl
-AC_DEFUN([AC_CXX_CONST_CAST],
-[AC_CACHE_CHECK(whether the compiler supports const_cast<>,
-ac_cv_cxx_const_cast,
-[AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
- AC_TRY_COMPILE(,[int x = 0;const int& y = x;int& z = const_cast<int&>(y);return z;],
- ac_cv_cxx_const_cast=yes, ac_cv_cxx_const_cast=no)
- AC_LANG_RESTORE
-])
-if test "$ac_cv_cxx_const_cast" = yes; then
-  AC_DEFINE(HAVE_CONST_CAST,,[define if the compiler supports const_cast<>])
-fi
+    AC_SUBST(SO_SUFFIX)
+    AC_SUBST(SO_SUFFIX_MODULE)
+    AC_SUBST(DLLIMP_SUFFIX)
+    AC_SUBST(EXEEXT)
+    AC_SUBST(LIBPREFIX)
+    AC_SUBST(LIBEXT)
+    AC_SUBST(DLLPREFIX)
+    AC_SUBST(DLLPREFIX_MODULE)
+    AC_SUBST(dlldir)
 ])
 
-# Configure paths for GTK+
-# Owen Taylor     1997-2001
 
-dnl AM_PATH_GTK_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
-dnl Test for GTK+, and define GTK_CFLAGS and GTK_LIBS, if gthread is specified in MODULES, 
-dnl pass to pkg-config
-dnl
-AC_DEFUN(AM_PATH_GTK_2_0,
-[dnl 
-dnl Get the cflags and libraries from pkg-config
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_SHARED_LD
 dnl
-AC_ARG_ENABLE(gtktest, [  --disable-gtktest       do not try to compile and run a test GTK+ program],
-                   , enable_gtktest=yes)
+dnl Detects command for making shared libraries, substitutes SHARED_LD_CC
+dnl and SHARED_LD_CXX.
+dnl ---------------------------------------------------------------------------
 
-  pkg_config_args=gtk+-2.0
-  for module in . $4
-  do
-      case "$module" in
-         gthread) 
-             pkg_config_args="$pkg_config_args gthread-2.0"
-         ;;
-      esac
-  done
+AC_DEFUN([AC_BAKEFILE_SHARED_LD],
+[
+    dnl the extra compiler flags needed for compilation of shared library
+    PIC_FLAG=""
+    if test "x$GCC" = "xyes"; then
+        dnl the switch for gcc is the same under all platforms
+        PIC_FLAG="-fPIC"
+    fi
+    
+    dnl Defaults for GCC and ELF .so shared libs:
+    SHARED_LD_CC="\$(CC) -shared ${PIC_FLAG} -o"
+    SHARED_LD_CXX="\$(CXX) -shared ${PIC_FLAG} -o"
+    WINDOWS_IMPLIB=0
 
-  no_gtk=""
+    case "${BAKEFILE_HOST}" in
+      *-hp-hpux* )
+        dnl default settings are good for gcc but not for the native HP-UX
+        if test "x$GCC" != "xyes"; then
+            dnl no idea why it wants it, but it does
+            LDFLAGS="$LDFLAGS -L/usr/lib"
 
-  AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
+            SHARED_LD_CC="${CC} -b -o"
+            SHARED_LD_CXX="${CXX} -b -o"
+            PIC_FLAG="+Z"
+        fi
+      ;;
 
-  if test x$PKG_CONFIG != xno ; then
-    if pkg-config --atleast-pkgconfig-version 0.7 ; then
-      :
-    else
-      echo *** pkg-config too old; version 0.7 or better required.
-      no_gtk=yes
-      PKG_CONFIG=no
-    fi
-  else
-    no_gtk=yes
-  fi
+      *-*-linux* )
+        if test "x$GCC" != "xyes"; then
+            AC_CACHE_CHECK([for Intel compiler], bakefile_cv_prog_icc,
+            [
+                AC_TRY_COMPILE([],
+                    [
+                        #ifndef __INTEL_COMPILER
+                        #error Not icc
+                        #endif
+                    ],
+                    bakefile_cv_prog_icc=yes,
+                    bakefile_cv_prog_icc=no
+                )
+            ])
+            if test "$bakefile_cv_prog_icc" = "yes"; then
+                PIC_FLAG="-KPIC"
+            fi
+        fi
+      ;;
 
-  min_gtk_version=ifelse([$1], ,2.0.0,$1)
-  AC_MSG_CHECKING(for GTK+ - version >= $min_gtk_version)
+      *-*-solaris2* )
+        if test "x$GCC" != xyes ; then
+            SHARED_LD_CC="${CC} -G -o"
+            SHARED_LD_CXX="${CXX} -G -o"
+            PIC_FLAG="-KPIC"
+        fi
+      ;;
 
-  if test x$PKG_CONFIG != xno ; then
-    ## don't try to run the test against uninstalled libtool libs
-    if $PKG_CONFIG --uninstalled $pkg_config_args; then
-         echo "Will use uninstalled version of GTK+ found in PKG_CONFIG_PATH"
-         enable_gtktest=no
+      *-*-darwin* )
+        dnl Most apps benefit from being fully binded (its faster and static
+        dnl variables initialized at startup work).
+        dnl This can be done either with the exe linker flag -Wl,-bind_at_load
+        dnl or with a double stage link in order to create a single module
+        dnl "-init _wxWindowsDylibInit" not useful with lazy linking solved
+
+        dnl If using newer dev tools then there is a -single_module flag that
+        dnl we can use to do this, otherwise we'll need to use a helper
+        dnl script.  Check the version of gcc to see which way we can go:
+        AC_CACHE_CHECK([for gcc 3.1 or later], wx_cv_gcc31, [
+           AC_TRY_COMPILE([],
+               [
+                   #if (__GNUC__ < 3) || \
+                       ((__GNUC__ == 3) && (__GNUC_MINOR__ < 1))
+                       #error old gcc
+                   #endif
+               ],
+               [
+                   wx_cv_gcc31=yes
+               ],
+               [
+                   wx_cv_gcc31=no
+               ]
+           )
+        ])
+        if test "$wx_cv_gcc31" = "no"; then
+            AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH
+            chmod +x shared-ld-sh
+
+            dnl Use the shared-ld-sh helper script
+            SHARED_LD_CC="`pwd`/shared-ld-sh -dynamiclib -headerpad_max_install_names -o"
+            SHARED_LD_MODULE_CC="`pwd`/shared-ld-sh -bundle -headerpad_max_install_names -o"
+            SHARED_LD_CXX="$SHARED_LD_CC"
+            SHARED_LD_MODULE_CXX="$SHARED_LD_MODULE_CC"
+        else
+            dnl Use the -single_module flag and let the linker do it for us
+            SHARED_LD_CC="\${CC} -dynamiclib -single_module -headerpad_max_install_names -o"
+            SHARED_LD_MODULE_CC="\${CC} -bundle -single_module -headerpad_max_install_names -o"
+            SHARED_LD_CXX="\${CXX} -dynamiclib -single_module -headerpad_max_install_names -o"
+            SHARED_LD_MODULE_CXX="\${CXX} -bundle -single_module -headerpad_max_install_names -o"
+        fi
+
+        if test "x$GCC" == "xyes"; then
+            PIC_FLAG="-dynamic -fPIC"
+        fi
+        if test "x$XLCC" = "xyes"; then
+            PIC_FLAG="-dynamic -DPIC"
+        fi
+      ;;
+
+      *-*-aix* )
+        dnl default settings are ok for gcc
+        if test "x$GCC" != "xyes"; then
+            dnl the abs path below used to be hardcoded here so I guess it must
+            dnl be some sort of standard location under AIX?
+            AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib,
+                          makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib)
+            dnl FIXME - what about makeCSharedLib?            
+            SHARED_LD_CC="$AIX_CC_LD -p 0 -o"
+            SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o"
+        fi
+      ;;
+
+      *-*-beos* )
+        dnl can't use gcc under BeOS for shared library creation because it
+        dnl complains about missing 'main'
+        SHARED_LD_CC="${LD} -nostart -o"
+        SHARED_LD_CXX="${LD} -nostart -o"
+      ;;
+
+      *-*-irix* )
+        dnl default settings are ok for gcc
+        if test "x$GCC" != "xyes"; then
+            PIC_FLAG="-KPIC"
+        fi
+      ;;
+      
+      *-*-cygwin* | *-*-mingw32* )
+        PIC_FLAG=""
+        SHARED_LD_CC="\$(CC) -shared -o"
+        SHARED_LD_CXX="\$(CXX) -shared -o"
+        WINDOWS_IMPLIB=1
+      ;;
+
+      *-pc-os2_emx | *-pc-os2-emx )
+        SHARED_LD_CC="`pwd`/dllar.sh -libf INITINSTANCE -libf TERMINSTANCE -o"
+        SHARED_LD_CXX="`pwd`/dllar.sh -libf INITINSTANCE -libf TERMINSTANCE -o"
+        PIC_FLAG=""
+        AC_BAKEFILE_CREATE_FILE_DLLAR_SH
+        chmod +x dllar.sh
+      ;;
+      
+      powerpc-apple-macos* | \
+      *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
+      *-*-sunos4* | \
+      *-*-osf* | \
+      *-*-dgux5* | \
+      *-*-sysv5* | \
+      *-pc-msdosdjgpp )
+        dnl defaults are ok
+      ;;
+
+      *)
+        AC_MSG_ERROR(unknown system type $BAKEFILE_HOST.)
+    esac
+
+    if test "x$PIC_FLAG" != "x" ; then
+        PIC_FLAG="$PIC_FLAG -DPIC"
     fi
 
-    if $PKG_CONFIG --atleast-version $min_gtk_version $pkg_config_args; then
-         :
-    else
-         no_gtk=yes
+    if test "x$SHARED_LD_MODULE_CC" = "x" ; then
+        SHARED_LD_MODULE_CC="$SHARED_LD_CC"
+    fi
+    if test "x$SHARED_LD_MODULE_CXX" = "x" ; then
+        SHARED_LD_MODULE_CXX="$SHARED_LD_CXX"
     fi
-  fi
 
-  if test x"$no_gtk" = x ; then
-    GTK_CFLAGS=`$PKG_CONFIG $pkg_config_args --cflags`
-    GTK_LIBS=`$PKG_CONFIG $pkg_config_args --libs`
-    gtk_config_major_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
-    gtk_config_minor_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
-    gtk_config_micro_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
-    if test "x$enable_gtktest" = "xyes" ; then
-      ac_save_CFLAGS="$CFLAGS"
-      ac_save_LIBS="$LIBS"
-      CFLAGS="$CFLAGS $GTK_CFLAGS"
-      LIBS="$GTK_LIBS $LIBS"
-dnl
-dnl Now check if the installed GTK+ is sufficiently new. (Also sanity
-dnl checks the results of pkg-config to some extent)
+    AC_SUBST(SHARED_LD_CC)
+    AC_SUBST(SHARED_LD_CXX)
+    AC_SUBST(SHARED_LD_MODULE_CC)
+    AC_SUBST(SHARED_LD_MODULE_CXX)
+    AC_SUBST(PIC_FLAG)
+    AC_SUBST(WINDOWS_IMPLIB)
+])
+
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_SHARED_VERSIONS
 dnl
-      rm -f conf.gtktest
-      AC_TRY_RUN([
-#include <gtk/gtk.h>
-#include <stdio.h>
-#include <stdlib.h>
+dnl Detects linker options for attaching versions (sonames) to shared  libs.
+dnl ---------------------------------------------------------------------------
 
-int 
-main ()
-{
-  int major, minor, micro;
-  char *tmp_version;
+AC_DEFUN([AC_BAKEFILE_SHARED_VERSIONS],
+[
+    USE_SOVERSION=0
+    USE_SOVERLINUX=0
+    USE_SOVERSOLARIS=0
+    USE_SOVERCYGWIN=0
+    USE_SOSYMLINKS=0
+    USE_MACVERSION=0
+    SONAME_FLAG=
 
-  system ("touch conf.gtktest");
+    case "${BAKEFILE_HOST}" in
+      *-*-linux* | *-*-freebsd* )
+        SONAME_FLAG="-Wl,-soname,"
+        USE_SOVERSION=1
+        USE_SOVERLINUX=1
+        USE_SOSYMLINKS=1
+      ;;
 
-  /* HP/UX 9 (%@#!) writes to sscanf strings */
-  tmp_version = g_strdup("$min_gtk_version");
-  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
-     printf("%s, bad version string\n", "$min_gtk_version");
-     exit(1);
-   }
+      *-*-solaris2* )
+        SONAME_FLAG="-h "
+        USE_SOVERSION=1
+        USE_SOVERSOLARIS=1
+        USE_SOSYMLINKS=1
+      ;;
 
-  if ((gtk_major_version != $gtk_config_major_version) ||
-      (gtk_minor_version != $gtk_config_minor_version) ||
-      (gtk_micro_version != $gtk_config_micro_version))
-    {
-      printf("\n*** 'pkg-config --modversion gtk+-2.0' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n", 
-             $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
-             gtk_major_version, gtk_minor_version, gtk_micro_version);
-      printf ("*** was found! If pkg-config was correct, then it is best\n");
-      printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
-      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
-      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
-      printf("*** required on your system.\n");
-      printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
-      printf("*** to point to the correct configuration files\n");
-    } 
-  else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
-          (gtk_minor_version != GTK_MINOR_VERSION) ||
-           (gtk_micro_version != GTK_MICRO_VERSION))
-    {
-      printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
-            GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
-      printf("*** library (version %d.%d.%d)\n",
-            gtk_major_version, gtk_minor_version, gtk_micro_version);
-    }
-  else
-    {
-      if ((gtk_major_version > major) ||
-        ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
-        ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
-      {
-        return 0;
-       }
-     else
-      {
-        printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
-               gtk_major_version, gtk_minor_version, gtk_micro_version);
-        printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
-              major, minor, micro);
-        printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
-        printf("***\n");
-        printf("*** If you have already installed a sufficiently new version, this error\n");
-        printf("*** probably means that the wrong copy of the pkg-config shell script is\n");
-        printf("*** being found. The easiest way to fix this is to remove the old version\n");
-        printf("*** of GTK+, but you can also set the PKG_CONFIG environment to point to the\n");
-        printf("*** correct copy of pkg-config. (In this case, you will have to\n");
-        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
-        printf("*** so that the correct libraries are found at run-time))\n");
-      }
-    }
-  return 1;
-}
-],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
-       CFLAGS="$ac_save_CFLAGS"
-       LIBS="$ac_save_LIBS"
-     fi
-  fi
-  if test "x$no_gtk" = x ; then
-     AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version))
-     ifelse([$2], , :, [$2])     
-  else
-     AC_MSG_RESULT(no)
-     if test "$PKG_CONFIG" = "no" ; then
-       echo "*** A new enough version of pkg-config was not found."
-       echo "*** See http://pkgconfig.sourceforge.net"
-     else
-       if test -f conf.gtktest ; then
-        :
-       else
-          echo "*** Could not run GTK+ test program, checking why..."
-         ac_save_CFLAGS="$CFLAGS"
-         ac_save_LIBS="$LIBS"
-          CFLAGS="$CFLAGS $GTK_CFLAGS"
-          LIBS="$LIBS $GTK_LIBS"
-          AC_TRY_LINK([
-#include <gtk/gtk.h>
-#include <stdio.h>
-],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
-        [ echo "*** The test program compiled, but did not run. This usually means"
-          echo "*** that the run-time linker is not finding GTK+ or finding the wrong"
-          echo "*** version of GTK+. If it is not finding GTK+, you'll need to set your"
-          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
-          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
-          echo "*** is required on your system"
-         echo "***"
-          echo "*** If you have an old version installed, it is best to remove it, although"
-          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
-        [ echo "*** The test program failed to compile or link. See the file config.log for the"
-          echo "*** exact error that occured. This usually means GTK+ is incorrectly installed."])
-          CFLAGS="$ac_save_CFLAGS"
-          LIBS="$ac_save_LIBS"
-       fi
-     fi
-     GTK_CFLAGS=""
-     GTK_LIBS=""
-     ifelse([$3], , :, [$3])
-  fi
-  AC_SUBST(GTK_CFLAGS)
-  AC_SUBST(GTK_LIBS)
-  rm -f conf.gtktest
+      *-*-darwin* )
+        USE_MACVERSION=1
+        USE_SOVERSION=1
+        USE_SOSYMLINKS=1
+      ;;
+
+      *-*-cygwin* )
+        USE_SOVERSION=1
+        USE_SOVERCYGWIN=1
+      ;;
+    esac
+
+    AC_SUBST(USE_SOVERSION)
+    AC_SUBST(USE_SOVERLINUX)
+    AC_SUBST(USE_SOVERSOLARIS)
+    AC_SUBST(USE_SOVERCYGWIN)
+    AC_SUBST(USE_MACVERSION)
+    AC_SUBST(USE_SOSYMLINKS)
+    AC_SUBST(SONAME_FLAG)
 ])
 
-# Configure paths for GTK+
-# Owen Taylor     97-11-3
 
-dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
-dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_DEPS
 dnl
-AC_DEFUN(AM_PATH_GTK,
-[dnl 
-dnl Get the cflags and libraries from the gtk-config script
+dnl Detects available C/C++ dependency tracking options
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN([AC_BAKEFILE_DEPS],
+[
+    AC_MSG_CHECKING([for dependency tracking method])
+    DEPS_TRACKING=0
+
+    if test "x$GCC" = "xyes"; then
+        DEPSMODE=gcc
+        DEPS_TRACKING=1
+        case "${BAKEFILE_HOST}" in
+            *-*-darwin* )
+                dnl -cpp-precomp (the default) conflicts with -MMD option
+                dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html)
+                DEPSFLAG_GCC="-no-cpp-precomp -MMD"
+            ;;
+            * )
+                DEPSFLAG_GCC="-MMD"
+            ;;
+        esac
+        AC_MSG_RESULT([gcc])
+    elif test "x$MWCC" = "xyes"; then
+        DEPSMODE=mwcc
+        DEPS_TRACKING=1
+        DEPSFLAG_MWCC="-MM"
+        AC_MSG_RESULT([mwcc])
+    elif test "x$SUNCC" = "xyes"; then
+        DEPSMODE=suncc
+        DEPS_TRACKING=1
+        DEPSFLAG_SUNCC="-xM1"
+        AC_MSG_RESULT([suncc])
+    else
+        AC_MSG_RESULT([none])
+    fi
+
+    if test $DEPS_TRACKING = 1 ; then
+        AC_BAKEFILE_CREATE_FILE_BK_DEPS
+        chmod +x bk-deps
+    fi
+    
+    AC_SUBST(DEPS_TRACKING)
+])
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_CHECK_BASIC_STUFF
 dnl
-AC_ARG_WITH(gtk-prefix,[  --with-gtk-prefix=PFX   Prefix where GTK is installed (optional)],
-            gtk_config_prefix="$withval", gtk_config_prefix="")
-AC_ARG_WITH(gtk-exec-prefix,[  --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],
-            gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="")
-AC_ARG_ENABLE(gtktest, [  --disable-gtktest       Do not try to compile and run a test GTK program],
-                   , enable_gtktest=yes)
+dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
+dnl or "install"
+dnl ---------------------------------------------------------------------------
 
-  for module in . $4
-  do
-      case "$module" in
-         gthread) 
-             gtk_config_args="$gtk_config_args gthread"
-         ;;
-      esac
-  done
+AC_DEFUN([AC_BAKEFILE_CHECK_BASIC_STUFF],
+[
+    AC_PROG_RANLIB
+    AC_PROG_INSTALL
+    AC_PROG_LN_S
 
-  if test x$gtk_config_exec_prefix != x ; then
-     gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
-     if test x${GTK_CONFIG+set} != xset ; then
-        GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config
-     fi
-  fi
-  if test x$gtk_config_prefix != x ; then
-     gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
-     if test x${GTK_CONFIG+set} != xset ; then
-        GTK_CONFIG=$gtk_config_prefix/bin/gtk-config
-     fi
-  fi
+    AC_PROG_MAKE_SET
+    AC_SUBST(MAKE_SET)
+    
+    AC_CHECK_TOOL(AR, ar, ar)
+    AC_CHECK_TOOL(STRIP, strip, :)
+    AC_CHECK_TOOL(NM, nm, :)
 
-  AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
-  min_gtk_version=ifelse([$1], ,0.99.7,$1)
-  AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
-  no_gtk=""
-  if test "$GTK_CONFIG" = "no" ; then
-    no_gtk=yes
-  else
-    GTK_CFLAGS=`$GTK_CONFIG $gtk_config_args --cflags`
-    GTK_LIBS=`$GTK_CONFIG $gtk_config_args --libs`
-    gtk_config_major_version=`$GTK_CONFIG $gtk_config_args --version | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
-    gtk_config_minor_version=`$GTK_CONFIG $gtk_config_args --version | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
-    gtk_config_micro_version=`$GTK_CONFIG $gtk_config_args --version | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
-    if test "x$enable_gtktest" = "xyes" ; then
-      ac_save_CFLAGS="$CFLAGS"
-      ac_save_LIBS="$LIBS"
-      CFLAGS="$CFLAGS $GTK_CFLAGS"
-      LIBS="$GTK_LIBS $LIBS"
+    case ${BAKEFILE_HOST} in
+        *-hp-hpux* )
+            dnl HP-UX install doesn't handle the "-d" switch so don't
+            dnl use it there
+            INSTALL_DIR="mkdir -p"
+            ;;
+        *)  INSTALL_DIR="$INSTALL -d"
+            ;;
+    esac
+    AC_SUBST(INSTALL_DIR)
+
+    LDFLAGS_GUI=
+    case ${BAKEFILE_HOST} in
+        *-*-cygwin* | *-*-mingw32* )
+        LDFLAGS_GUI="-mwindows"
+    esac
+    AC_SUBST(LDFLAGS_GUI)
+])
+
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_RES_COMPILERS
 dnl
-dnl Now check if the installed GTK is sufficiently new. (Also sanity
-dnl checks the results of gtk-config to some extent
+dnl Checks for presence of resource compilers for win32 or mac
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN([AC_BAKEFILE_RES_COMPILERS],
+[
+    RESCOMP=
+    SETFILE=
+
+    case ${BAKEFILE_HOST} in 
+        *-*-cygwin* | *-*-mingw32* )
+            dnl Check for win32 resources compiler:
+            if test "$build" != "$host" ; then
+                RESCOMP=$host_alias-windres
+            else
+                AC_CHECK_PROG(RESCOMP, windres, windres, windres)
+            fi
+         ;;
+      *-*-darwin* | powerpc-apple-macos* )
+            AC_CHECK_PROG(RESCOMP, Rez, Rez, /Developer/Tools/Rez)
+            AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile)
+        ;;
+    esac
+
+    AC_SUBST(RESCOMP)
+    AC_SUBST(SETFILE)
+])
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_PRECOMP_HEADERS
 dnl
-      rm -f conf.gtktest
-      AC_TRY_RUN([
-#include <gtk/gtk.h>
-#include <stdio.h>
-#include <stdlib.h>
+dnl Check for precompiled headers support (GCC >= 3.4)
+dnl ---------------------------------------------------------------------------
 
-int 
-main ()
-{
-  int major, minor, micro;
-  char *tmp_version;
+AC_DEFUN([AC_BAKEFILE_PRECOMP_HEADERS],
+[
 
-  system ("touch conf.gtktest");
+    AC_ARG_ENABLE([precomp-headers],
+                  AS_HELP_STRING([--disable-precomp-headers],
+                                 [don't use precompiled headers even if compiler can]),
+                  [bk_use_pch="$enableval"])
 
-  /* HP/UX 9 (%@#!) writes to sscanf strings */
-  tmp_version = g_strdup("$min_gtk_version");
-  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
-     printf("%s, bad version string\n", "$min_gtk_version");
-     exit(1);
-   }
+    GCC_PCH=0
 
-  if ((gtk_major_version != $gtk_config_major_version) ||
-      (gtk_minor_version != $gtk_config_minor_version) ||
-      (gtk_micro_version != $gtk_config_micro_version))
-    {
-      printf("\n*** 'gtk-config --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n", 
-             $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
-             gtk_major_version, gtk_minor_version, gtk_micro_version);
-      printf ("*** was found! If gtk-config was correct, then it is best\n");
-      printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
-      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
-      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
-      printf("*** required on your system.\n");
-      printf("*** If gtk-config was wrong, set the environment variable GTK_CONFIG\n");
-      printf("*** to point to the correct copy of gtk-config, and remove the file config.cache\n");
-      printf("*** before re-running configure\n");
-    } 
-#if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)
-  else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
-          (gtk_minor_version != GTK_MINOR_VERSION) ||
-           (gtk_micro_version != GTK_MICRO_VERSION))
-    {
-      printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
-            GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
-      printf("*** library (version %d.%d.%d)\n",
-            gtk_major_version, gtk_minor_version, gtk_micro_version);
-    }
-#endif /* defined (GTK_MAJOR_VERSION) ... */
-  else
-    {
-      if ((gtk_major_version > major) ||
-        ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
-        ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
-      {
-        return 0;
-       }
-     else
-      {
-        printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
-               gtk_major_version, gtk_minor_version, gtk_micro_version);
-        printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
-              major, minor, micro);
-        printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
-        printf("***\n");
-        printf("*** If you have already installed a sufficiently new version, this error\n");
-        printf("*** probably means that the wrong copy of the gtk-config shell script is\n");
-        printf("*** being found. The easiest way to fix this is to remove the old version\n");
-        printf("*** of GTK+, but you can also set the GTK_CONFIG environment to point to the\n");
-        printf("*** correct copy of gtk-config. (In this case, you will have to\n");
-        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
-        printf("*** so that the correct libraries are found at run-time))\n");
-      }
-    }
-  return 1;
-}
-],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
-       CFLAGS="$ac_save_CFLAGS"
-       LIBS="$ac_save_LIBS"
-     fi
-  fi
-  if test "x$no_gtk" = x ; then
-     AC_MSG_RESULT(yes)
-     ifelse([$2], , :, [$2])     
-  else
-     AC_MSG_RESULT(no)
-     if test "$GTK_CONFIG" = "no" ; then
-       echo "*** The gtk-config script installed by GTK could not be found"
-       echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"
-       echo "*** your path, or set the GTK_CONFIG environment variable to the"
-       echo "*** full path to gtk-config."
-     else
-       if test -f conf.gtktest ; then
-        :
-       else
-          echo "*** Could not run GTK test program, checking why..."
-          CFLAGS="$CFLAGS $GTK_CFLAGS"
-          LIBS="$LIBS $GTK_LIBS"
-          AC_TRY_LINK([
-#include <gtk/gtk.h>
-#include <stdio.h>
-],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
-        [ echo "*** The test program compiled, but did not run. This usually means"
-          echo "*** that the run-time linker is not finding GTK or finding the wrong"
-          echo "*** version of GTK. If it is not finding GTK, you'll need to set your"
-          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
-          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
-          echo "*** is required on your system"
-         echo "***"
-          echo "*** If you have an old version installed, it is best to remove it, although"
-          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
-          echo "***"
-          echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
-          echo "*** came with the system with the command"
-          echo "***"
-          echo "***    rpm --erase --nodeps gtk gtk-devel" ],
-        [ echo "*** The test program failed to compile or link. See the file config.log for the"
-          echo "*** exact error that occured. This usually means GTK was incorrectly installed"
-          echo "*** or that you have moved GTK since it was installed. In the latter case, you"
-          echo "*** may want to edit the gtk-config script: $GTK_CONFIG" ])
-          CFLAGS="$ac_save_CFLAGS"
-          LIBS="$ac_save_LIBS"
-       fi
-     fi
-     GTK_CFLAGS=""
-     GTK_LIBS=""
-     ifelse([$3], , :, [$3])
-  fi
-  AC_SUBST(GTK_CFLAGS)
-  AC_SUBST(GTK_LIBS)
-  rm -f conf.gtktest
-])
-
-
-dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
-dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
-dnl also defines GSTUFF_PKG_ERRORS on error
-AC_DEFUN(PKG_CHECK_MODULES, [
-  succeeded=no
-
-  if test -z "$PKG_CONFIG"; then
-    AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
-  fi
-
-  if test "$PKG_CONFIG" = "no" ; then
-     echo "*** The pkg-config script could not be found. Make sure it is"
-     echo "*** in your path, or set the PKG_CONFIG environment variable"
-     echo "*** to the full path to pkg-config."
-     echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
-  else
-     PKG_CONFIG_MIN_VERSION=0.9.0
-     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
-        AC_MSG_CHECKING(for $2)
-
-        if $PKG_CONFIG --exists "$2" ; then
-            AC_MSG_RESULT(yes)
-            succeeded=yes
-
-            AC_MSG_CHECKING($1_CFLAGS)
-            $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
-            AC_MSG_RESULT($$1_CFLAGS)
-
-            AC_MSG_CHECKING($1_LIBS)
-            $1_LIBS=`$PKG_CONFIG --libs "$2"`
-            AC_MSG_RESULT($$1_LIBS)
-        else
-            $1_CFLAGS=""
-            $1_LIBS=""
-            ## If we have a custom action on failure, don't print errors, but 
-            ## do set a variable so people can do so.
-            $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
-            ifelse([$4], ,echo $$1_PKG_ERRORS,)
+    if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then
+        if test "x$GCC" = "xyes"; then
+            dnl test if we have gcc-3.4:
+            AC_MSG_CHECKING([if the compiler supports precompiled headers])
+            AC_TRY_COMPILE([],
+                [
+                    #if !defined(__GNUC__) || !defined(__GNUC_MINOR__)
+                        #error "no pch support"
+                    #endif
+                    #if (__GNUC__ < 3)
+                        #error "no pch support"
+                    #endif
+                    #if (__GNUC__ == 3) && \
+                       ((!defined(__APPLE_CC__) && (__GNUC_MINOR__ < 4)) || \
+                       ( defined(__APPLE_CC__) && (__GNUC_MINOR__ < 3)))
+                        #error "no pch support"
+                    #endif
+                ],
+                [
+                    AC_MSG_RESULT([yes])
+                    GCC_PCH=1
+                ],
+                [
+                    AC_MSG_RESULT([no])
+                ])
+            if test $GCC_PCH = 1 ; then
+                AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH
+                chmod +x bk-make-pch
+            fi
         fi
+    fi
 
-        AC_SUBST($1_CFLAGS)
-        AC_SUBST($1_LIBS)
-     else
-        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
-        echo "*** See http://www.freedesktop.org/software/pkgconfig"
-     fi
-  fi
-
-  if test $succeeded = yes; then
-     ifelse([$3], , :, [$3])
-  else
-     ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4])
-  fi
+    AC_SUBST(GCC_PCH)
 ])
 
 
 
 dnl ---------------------------------------------------------------------------
-dnl Support macros for makefiles generated by BAKEFILE.
-dnl ---------------------------------------------------------------------------
-
-dnl Lots of compiler & linker detection code contained here was taken from
-dnl wxWindows configure.in script (see http://www.wxwindows.org)
-
-
-
-dnl ---------------------------------------------------------------------------
-dnl AC_BAKEFILE_GNUMAKE
+dnl AC_BAKEFILE([autoconf_inc.m4 inclusion])
 dnl
-dnl Detects GNU make
+dnl To be used in configure.in of any project using Bakefile-generated mks
+dnl
+dnl Behaviour can be modified by setting following variables:
+dnl    BAKEFILE_CHECK_BASICS    set to "no" if you don't want bakefile to
+dnl                             to perform check for basic tools like ranlib
+dnl    BAKEFILE_HOST            set this to override host detection, defaults
+dnl                             to ${host}
+dnl    BAKEFILE_FORCE_PLATFORM  set to override platform detection
+dnl
+dnl Example usage:
+dnl
+dnl   AC_BAKEFILE([FOO(autoconf_inc.m4)])
+dnl
+dnl (replace FOO with m4_include above, aclocal would die otherwise)
+dnl (yes, it's ugly, but thanks to a bug in aclocal, it's the only thing
+dnl we can do...)
 dnl ---------------------------------------------------------------------------
 
-AC_DEFUN(AC_BAKEFILE_GNUMAKE,
+AC_DEFUN([AC_BAKEFILE],
 [
-    dnl does make support "-include" (only GNU make does AFAIK)?
-    AC_CACHE_CHECK([if make is GNU make], bakefile_cv_prog_makeisgnu,
-    [
-        if ( ${SHELL-sh} -c "${MAKE-make} --version" 2> /dev/null |
-                egrep -s GNU > /dev/null); then
-            bakefile_cv_prog_makeisgnu="yes"
-        else
-            bakefile_cv_prog_makeisgnu="no"
-        fi
-    ])
+    AC_PREREQ(2.58)
 
-    if test "x$bakefile_cv_prog_makeisgnu" = "xyes"; then
-        IF_GNU_MAKE=""
-    else
-        IF_GNU_MAKE="#"
+    if test "x$BAKEFILE_HOST" = "x"; then
+        BAKEFILE_HOST="${host}"
+    fi
+
+    if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then
+        AC_BAKEFILE_CHECK_BASIC_STUFF
+    fi
+    AC_BAKEFILE_GNUMAKE
+    AC_BAKEFILE_PLATFORM
+    AC_BAKEFILE_PLATFORM_SPECIFICS
+    AC_BAKEFILE_SUFFIXES
+    AC_BAKEFILE_SHARED_LD
+    AC_BAKEFILE_SHARED_VERSIONS
+    AC_BAKEFILE_DEPS
+    AC_BAKEFILE_RES_COMPILERS
+
+    BAKEFILE_BAKEFILE_M4_VERSION="0.1.9"
+   
+    dnl includes autoconf_inc.m4:
+    $1
+    
+    if test "$BAKEFILE_AUTOCONF_INC_M4_VERSION" = "" ; then
+        AC_MSG_ERROR([No version found in autoconf_inc.m4 - bakefile macro was changed to take additional argument, perhaps configure.in wasn't updated (see the documentation)?])
+    fi
+    
+    if test "$BAKEFILE_BAKEFILE_M4_VERSION" != "$BAKEFILE_AUTOCONF_INC_M4_VERSION" ; then
+        AC_MSG_ERROR([Versions of Bakefile used to generate makefiles ($BAKEFILE_AUTOCONF_INC_M4_VERSION) and configure ($BAKEFILE_BAKEFILE_M4_VERSION) do not match.])
     fi
-    AC_SUBST(IF_GNU_MAKE)
 ])
+        
 
 dnl ---------------------------------------------------------------------------
-dnl AC_BAKEFILE_PLATFORM
-dnl
-dnl Detects platform and sets PLATFORM_XXX variables accordingly
+dnl              Embedded copies of helper scripts follow:
 dnl ---------------------------------------------------------------------------
 
-AC_DEFUN(AC_BAKEFILE_PLATFORM,
+AC_DEFUN([AC_BAKEFILE_CREATE_FILE_DLLAR_SH],
 [
-    PLATFORM_UNIX=0
-    PLATFORM_WIN32=0
-    PLATFORM_MSDOS=0
-    PLATFORM_MAC=0
-    PLATFORM_MACOSX=0
-    
-    case "${host}" in
-        *-*-cygwin* | *-*-mingw32* )
-            PLATFORM_WIN32=1
-        ;;
-        *-pc-msdosdjgpp | *-pc-os2_emx | *-pc-os2-emx )
-            PLATFORM_MSDOS=1
+dnl ===================== dllar.sh begins here =====================
+dnl    (Created by merge-scripts.py from dllar.sh
+dnl     file do not edit here!)
+D='$'
+cat <<EOF >dllar.sh
+#!/bin/sh
+#
+# dllar - a tool to build both a .dll and an .a file
+# from a set of object (.o) files for EMX/OS2.
+#
+#  Written by Andrew Zabolotny, bit@freya.etu.ru
+#  Ported to Unix like shell by Stefan Neis, Stefan.Neis@t-online.de
+#
+#  This script will accept a set of files on the command line.
+#  All the public symbols from the .o files will be exported into
+#  a .DEF file, then linker will be run (through gcc) against them to
+#  build a shared library consisting of all given .o files. All libraries
+#  (.a) will be first decompressed into component .o files then act as
+#  described above. You can optionally give a description (-d "description")
+#  which will be put into .DLL. To see the list of accepted options (as well
+#  as command-line format) simply run this program without options. The .DLL
+#  is built to be imported by name (there is no guarantee that new versions
+#  of the library you build will have same ordinals for same symbols).
+#
+#  dllar is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2, or (at your option)
+#  any later version.
+#
+#  dllar is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with dllar; see the file COPYING.  If not, write to the Free
+#  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+#  02111-1307, USA.
+
+# To successfuly run this program you will need:
+#  - Current drive should have LFN support (HPFS, ext2, network, etc)
+#    (Sometimes dllar generates filenames which won't fit 8.3 scheme)
+#  - gcc
+#    (used to build the .dll)
+#  - emxexp
+#    (used to create .def file from .o files)
+#  - emximp
+#    (used to create .a file from .def file)
+#  - GNU text utilites (cat, sort, uniq)
+#    used to process emxexp output
+#  - GNU file utilities (mv, rm)
+#  - GNU sed
+#  - lxlite (optional, see flag below)
+#    (used for general .dll cleanup)
+#
+
+flag_USE_LXLITE=1;
+
+#
+# helper functions
+# basnam, variant of basename, which does _not_ remove the path, _iff_
+#                              second argument (suffix to remove) is given
+basnam(){
+    case ${D}# in
+    1)
+        echo ${D}1 | sed 's/.*\\///' | sed 's/.*\\\\//'
         ;;
-        powerpc-*-darwin* )
-            PLATFORM_MAC=1
-            PLATFORM_MACOSX=1
+    2)
+        echo ${D}1 | sed 's/'${D}2'${D}//'
         ;;
-        * )
-            PLATFORM_UNIX=1
+    *)
+        echo "error in basnam ${D}*"
+        exit 8
         ;;
     esac
+}
 
-    AC_SUBST(PLATFORM_UNIX)
-    AC_SUBST(PLATFORM_WIN32)
-    AC_SUBST(PLATFORM_MSDOS)
-    AC_SUBST(PLATFORM_MAC)
-    AC_SUBST(PLATFORM_MACOSX)
-])
+# Cleanup temporary files and output
+CleanUp() {
+    cd ${D}curDir
+    for i in ${D}inputFiles ; do
+        case ${D}i in
+        *!)
+            rm -rf \`basnam ${D}i !\`
+            ;;
+        *)
+            ;;
+        esac
+    done
 
+    # Kill result in case of failure as there is just to many stupid make/nmake
+    # things out there which doesn't do this.
+    if @<:@ ${D}# -eq 0 @:>@; then
+        rm -f ${D}arcFile ${D}arcFile2 ${D}defFile ${D}dllFile
+    fi
+}
 
+# Print usage and exit script with rc=1.
+PrintHelp() {
+ echo 'Usage: dllar.sh @<:@-o@<:@utput@:>@ output_file@:>@ @<:@-i@<:@mport@:>@ importlib_name@:>@'
+ echo '       @<:@-name-mangler-script script.sh@:>@'
+ echo '       @<:@-d@<:@escription@:>@ "dll descrption"@:>@ @<:@-cc "CC"@:>@ @<:@-f@<:@lags@:>@ "CFLAGS"@:>@'
+ echo '       @<:@-ord@<:@inals@:>@@:>@ -ex@<:@clude@:>@ "symbol(s)"'
+ echo '       @<:@-libf@<:@lags@:>@ "{INIT|TERM}{GLOBAL|INSTANCE}"@:>@ @<:@-nocrt@<:@dll@:>@@:>@ @<:@-nolxl@<:@ite@:>@@:>@'
+ echo '       @<:@*.o@:>@ @<:@*.a@:>@'
+ echo '*> "output_file" should have no extension.'
+ echo '   If it has the .o, .a or .dll extension, it is automatically removed.'
+ echo '   The import library name is derived from this and is set to "name".a,'
+ echo '   unless overridden by -import'
+ echo '*> "importlib_name" should have no extension.'
+ echo '   If it has the .o, or .a extension, it is automatically removed.'
+ echo '   This name is used as the import library name and may be longer and'
+ echo '   more descriptive than the DLL name which has to follow the old '
+ echo '   8.3 convention of FAT.'
+ echo '*> "script.sh may be given to override the output_file name by a'
+ echo '   different name. It is mainly useful if the regular make process'
+ echo '   of some package does not take into account OS/2 restriction of'
+ echo '   DLL name lengths. It takes the importlib name as input and is'
+ echo '   supposed to procude a shorter name as output. The script should'
+ echo '   expect to get importlib_name without extension and should produce'
+ echo '   a (max.) 8 letter name without extension.'
+ echo '*> "cc" is used to use another GCC executable.   (default: gcc.exe)'
+ echo '*> "flags" should be any set of valid GCC flags. (default: -s -Zcrtdll)'
+ echo '   These flags will be put at the start of GCC command line.'
+ echo '*> -ord@<:@inals@:>@ tells dllar to export entries by ordinals. Be careful.'
+ echo '*> -ex@<:@clude@:>@ defines symbols which will not be exported. You can define'
+ echo '   multiple symbols, for example -ex "myfunc yourfunc _GLOBAL*".'
+ echo '   If the last character of a symbol is "*", all symbols beginning'
+ echo '   with the prefix before "*" will be exclude, (see _GLOBAL* above).'
+ echo '*> -libf@<:@lags@:>@ can be used to add INITGLOBAL/INITINSTANCE and/or'
+ echo '   TERMGLOBAL/TERMINSTANCE flags to the dynamically-linked library.'
+ echo '*> -nocrt@<:@dll@:>@ switch will disable linking the library against emx''s'
+ echo '   C runtime DLLs.'
+ echo '*> -nolxl@<:@ite@:>@ switch will disable running lxlite on the resulting DLL.'
+ echo '*> All other switches (for example -L./ or -lmylib) will be passed'
+ echo '   unchanged to GCC at the end of command line.'
+ echo '*> If you create a DLL from a library and you do not specify -o,'
+ echo '   the basename for DLL and import library will be set to library name,'
+ echo '   the initial library will be renamed to 'name'_s.a (_s for static)'
+ echo '   i.e. "dllar gcc.a" will create gcc.dll and gcc.a, and the initial'
+ echo '   library will be renamed into gcc_s.a.'
+ echo '--------'
+ echo 'Example:'
+ echo '   dllar -o gcc290.dll libgcc.a -d "GNU C runtime library" -ord'
+ echo '    -ex "__main __ctordtor*" -libf "INITINSTANCE TERMINSTANCE"'
+ CleanUp
+ exit 1
+}
 
-dnl ---------------------------------------------------------------------------
-dnl AC_BAKEFILE_SUFFIXES
-dnl
-dnl Detects shared various suffixes for shared libraries, libraries, programs,
-dnl plugins etc.
-dnl ---------------------------------------------------------------------------
+# Execute a command.
+# If exit code of the commnad <> 0 CleanUp() is called and we'll exit the script.
+# @Uses    Whatever CleanUp() uses.
+doCommand() {
+    echo "${D}*"
+    eval ${D}*
+    rcCmd=${D}?
+
+    if @<:@ ${D}rcCmd -ne 0 @:>@; then
+        echo "command failed, exit code="${D}rcCmd
+        CleanUp
+        exit ${D}rcCmd
+    fi
+}
 
-AC_DEFUN(AC_BAKEFILE_SUFFIXES,
-[
-    SO_SUFFIX="so"
-    SO_SUFFIX_MODULE="so"
-    EXEEXT=""
-    DLLPREFIX=lib
-    DLLPREFIX_MODULE=
-    
-    case "${host}" in
-        *-hp-hpux* )
-            SO_SUFFIX="sl"
-            SO_SUFFIX_MODULE="sl"
+# main routine
+# setup globals
+cmdLine=${D}*
+outFile=""
+outimpFile=""
+inputFiles=""
+renameScript=""
+description=""
+CC=gcc.exe
+CFLAGS="-s -Zcrtdll"
+EXTRA_CFLAGS=""
+EXPORT_BY_ORDINALS=0
+exclude_symbols=""
+library_flags=""
+curDir=\`pwd\`
+curDirS=curDir
+case ${D}curDirS in
+*/)
+  ;;
+*)
+  curDirS=${D}{curDirS}"/"
+  ;;
+esac
+# Parse commandline
+libsToLink=0
+omfLinking=0
+while @<:@ ${D}1 @:>@; do
+    case ${D}1 in
+    -ord*)
+        EXPORT_BY_ORDINALS=1;
         ;;
-        *-*-aix* )
-            dnl quoting from
-            dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html:
-            dnl     Both archive libraries and shared libraries on AIX have an
-            dnl     .a extension. This will explain why you can't link with an
-            dnl     .so and why it works with the name changed to .a.
-            SO_SUFFIX="a"
-            SO_SUFFIX_MODULE="a"
+    -o*)
+       shift
+        outFile=${D}1
+       ;;
+    -i*)
+        shift
+        outimpFile=${D}1
         ;;
-        *-*-cygwin* | *-*-mingw32* )
-            SO_SUFFIX="dll"
-            SO_SUFFIX_MODULE="dll"
-            EXEEXT=".exe"
-            DLLPREFIX=""
+    -name-mangler-script)
+        shift
+        renameScript=${D}1
         ;;
-        *-pc-msdosdjgpp | *-pc-os2_emx | *-pc-os2-emx )
-            EXEEXT=".exe"
-            DLLPREFIX=""
+    -d*)
+        shift
+        description=${D}1
         ;;
-        powerpc-*-darwin* )
-            SO_SUFFIX="dylib"
-            SO_SUFFIX_MODULE="bundle"
+    -f*)
+        shift
+        CFLAGS=${D}1
+        ;;
+    -c*)
+        shift
+        CC=${D}1
+        ;;
+    -h*)
+        PrintHelp
+        ;;
+    -ex*)
+        shift
+        exclude_symbols=${D}{exclude_symbols}${D}1" "
+        ;;
+    -libf*)
+        shift
+        library_flags=${D}{library_flags}${D}1" "
+        ;;
+    -nocrt*)
+        CFLAGS="-s"
+        ;;
+    -nolxl*)
+        flag_USE_LXLITE=0
+        ;;
+    -* | /*)
+        case ${D}1 in
+        -L* | -l*)
+            libsToLink=1
+            ;;
+        -Zomf)
+            omfLinking=1
+            ;;
+        *)
+            ;;
+        esac
+        EXTRA_CFLAGS=${D}{EXTRA_CFLAGS}" "${D}1
+        ;;
+    *.dll)
+        EXTRA_CFLAGS="${D}{EXTRA_CFLAGS} \`basnam ${D}1 .dll\`"
+        if @<:@ ${D}omfLinking -eq 1 @:>@; then
+            EXTRA_CFLAGS="${D}{EXTRA_CFLAGS}.lib"
+       else
+            EXTRA_CFLAGS="${D}{EXTRA_CFLAGS}.a"
+        fi
         ;;
+    *)
+        found=0;
+        if @<:@ ${D}libsToLink -ne 0 @:>@; then
+            EXTRA_CFLAGS=${D}{EXTRA_CFLAGS}" "${D}1
+        else
+            for file in ${D}1 ; do
+                if @<:@ -f ${D}file @:>@; then
+                    inputFiles="${D}{inputFiles} ${D}file"
+                    found=1
+                fi
+            done
+            if @<:@ ${D}found -eq 0 @:>@; then
+                echo "ERROR: No file(s) found: "${D}1
+                exit 8
+            fi
+        fi
+      ;;
     esac
+    shift
+done # iterate cmdline words
 
-    AC_SUBST(SO_SUFFIX)
-    AC_SUBST(SO_SUFFIX_MODULE)
-    AC_SUBST(EXEEXT)
-    AC_SUBST(DLLPREFIX)
-    AC_SUBST(DLLPREFIX_MODULE)
-])
+#
+if @<:@ -z "${D}inputFiles" @:>@; then
+    echo "dllar: no input files"
+    PrintHelp
+fi
 
+# Now extract all .o files from .a files
+newInputFiles=""
+for file in ${D}inputFiles ; do
+    case ${D}file in
+    *.a | *.lib)
+        case ${D}file in
+        *.a)
+            suffix=".a"
+            AR="ar"
+            ;;
+        *.lib)
+            suffix=".lib"
+            AR="emxomfar"
+            EXTRA_CFLAGS="${D}EXTRA_CFLAGS -Zomf"
+            ;;
+        *)
+            ;;
+        esac
+        dirname=\`basnam ${D}file ${D}suffix\`"_%"
+        mkdir ${D}dirname
+        if @<:@ ${D}? -ne 0 @:>@; then
+            echo "Failed to create subdirectory ./${D}dirname"
+            CleanUp
+            exit 8;
+        fi
+        # Append '!' to indicate archive
+        newInputFiles="${D}newInputFiles ${D}{dirname}!"
+        doCommand "cd ${D}dirname; ${D}AR x ../${D}file"
+        cd ${D}curDir
+        found=0;
+        for subfile in ${D}dirname/*.o* ; do
+            if @<:@ -f ${D}subfile @:>@; then
+                found=1
+                if @<:@ -s ${D}subfile @:>@; then
+                   # FIXME: This should be: is file size > 32 byte, _not_ > 0!
+                    newInputFiles="${D}newInputFiles ${D}subfile"
+                fi
+            fi
+        done
+        if @<:@ ${D}found -eq 0 @:>@; then
+            echo "WARNING: there are no files in archive \\'${D}file\\'"
+        fi
+        ;;
+    *)
+        newInputFiles="${D}{newInputFiles} ${D}file"
+        ;;
+    esac
+done
+inputFiles="${D}newInputFiles"
 
-dnl ---------------------------------------------------------------------------
-dnl AC_BAKEFILE_SHARED_LD
-dnl
-dnl Detects command for making shared libraries, substitutes SHARED_LD_CC
-dnl and SHARED_LD_CXX.
-dnl ---------------------------------------------------------------------------
+# Output filename(s).
+do_backup=0;
+if @<:@ -z ${D}outFile @:>@; then
+    do_backup=1;
+    set outFile ${D}inputFiles; outFile=${D}2
+fi
 
-AC_DEFUN(AC_BAKEFILE_SHARED_LD,
-[
-    dnl Defaults for GCC and ELF .so shared libs:
-    SHARED_LD_CC="\$(CC) -shared -o"
-    SHARED_LD_CXX="\$(CXX) -shared -o"
+# If it is an archive, remove the '!' and the '_%' suffixes
+case ${D}outFile in
+*_%!)
+    outFile=\`basnam ${D}outFile _%!\`
+    ;;
+*)
+    ;;
+esac
+case ${D}outFile in
+*.dll)
+    outFile=\`basnam ${D}outFile .dll\`
+    ;;
+*.DLL)
+    outFile=\`basnam ${D}outFile .DLL\`
+    ;;
+*.o)
+    outFile=\`basnam ${D}outFile .o\`
+    ;;
+*.obj)
+    outFile=\`basnam ${D}outFile .obj\`
+    ;;
+*.a)
+    outFile=\`basnam ${D}outFile .a\`
+    ;;
+*.lib)
+    outFile=\`basnam ${D}outFile .lib\`
+    ;;
+*)
+    ;;
+esac
+case ${D}outimpFile in
+*.a)
+    outimpFile=\`basnam ${D}outimpFile .a\`
+    ;;
+*.lib)
+    outimpFile=\`basnam ${D}outimpFile .lib\`
+    ;;
+*)
+    ;;
+esac
+if @<:@ -z ${D}outimpFile @:>@; then
+    outimpFile=${D}outFile
+fi
+defFile="${D}{outFile}.def"
+arcFile="${D}{outimpFile}.a"
+arcFile2="${D}{outimpFile}.lib"
 
-    dnl the extra compiler flags needed for compilation of shared library
-    if test "x$GCC" = "xyes"; then
-        dnl the switch for gcc is the same under all platforms
-        PIC_FLAG="-fPIC"
+#create ${D}dllFile as something matching 8.3 restrictions,
+if @<:@ -z ${D}renameScript @:>@ ; then
+    dllFile="${D}outFile"
+else
+    dllFile=\`${D}renameScript ${D}outimpFile\`
+fi
+
+if @<:@ ${D}do_backup -ne 0 @:>@ ; then
+    if @<:@ -f ${D}arcFile @:>@ ; then
+        doCommand "mv ${D}arcFile ${D}{outFile}_s.a"
+    fi
+    if @<:@ -f ${D}arcFile2 @:>@ ; then
+        doCommand "mv ${D}arcFile2 ${D}{outFile}_s.lib"
     fi
+fi
 
-    case "${host}" in
-      *-hp-hpux* )
-        dnl default settings are good for gcc but not for the native HP-UX
-        if test "x$GCC" = "xyes"; then
-            dnl -o flag must be after PIC flag
-            SHARED_LD_CC="${CC} -shared ${PIC_FLAG} -o"
-            SHARED_LD_CXX="${CXX} -shared ${PIC_FLAG} -o"
-        else
-            dnl no idea why it wants it, but it does
-            LDFLAGS="$LDFLAGS -L/usr/lib"
+# Extract public symbols from all the object files.
+tmpdefFile=${D}{defFile}_%
+rm -f ${D}tmpdefFile
+for file in ${D}inputFiles ; do
+    case ${D}file in
+    *!)
+        ;;
+    *)
+        doCommand "emxexp -u ${D}file >> ${D}tmpdefFile"
+        ;;
+    esac
+done
 
-            SHARED_LD_CC="${CC} -b -o"
-            SHARED_LD_CXX="${CXX} -b -o"
-            PIC_FLAG="+Z"
-        fi
-      ;;
+# Create the def file.
+rm -f ${D}defFile
+echo "LIBRARY \`basnam ${D}dllFile\` ${D}library_flags" >> ${D}defFile
+dllFile="${D}{dllFile}.dll"
+if @<:@ ! -z ${D}description @:>@; then
+    echo "DESCRIPTION  \\"${D}{description}\\"" >> ${D}defFile
+fi
+echo "EXPORTS" >> ${D}defFile
 
-      *-*-linux* )
-        if test "x$GCC" != "xyes"; then
-            AC_CACHE_CHECK([for Intel compiler], bakefile_cv_prog_icc,
-            [
-                AC_TRY_COMPILE([],
-                    [
-                        #ifndef __INTEL_COMPILER
-                        #error Not icc
-                        #endif
-                    ],
-                    bakefile_cv_prog_icc=yes,
-                    bakefile_cv_prog_icc=no
-                )
-            ])
-            if test "$bakefile_cv_prog_icc" = "yes"; then
-                PIC_FLAG="-KPIC"
-            fi
-        fi
-      ;;
+doCommand "cat ${D}tmpdefFile | sort.exe | uniq.exe > ${D}{tmpdefFile}%"
+grep -v "^ *;" < ${D}{tmpdefFile}% | grep -v "^ *${D}" >${D}tmpdefFile
 
-      *-*-solaris2* )
-        if test "x$GCC" != xyes ; then
-            SHARED_LD_CC="${CC} -G -o"
-            SHARED_LD_CXX="${CXX} -G -o"
-            PIC_FLAG="-KPIC"
-        fi
-      ;;
+# Checks if the export is ok or not.
+for word in ${D}exclude_symbols; do
+    grep -v ${D}word < ${D}tmpdefFile >${D}{tmpdefFile}%
+    mv ${D}{tmpdefFile}% ${D}tmpdefFile
+done
 
-      *-*-darwin* )
-        dnl For Unix to MacOS X porting instructions, see:
-        dnl http://fink.sourceforge.net/doc/porting/porting.html
-        CFLAGS="$CFLAGS -fno-common"
-        CXXFLAGS="$CXXFLAGS -fno-common"
-        
-        dnl Most apps benefit from being fully binded (its faster and static
-        dnl variables initialized at startup work).
-        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
 
-        cat <<EOF >shared-ld-sh
+if @<:@ ${D}EXPORT_BY_ORDINALS -ne 0 @:>@; then
+    sed "=" < ${D}tmpdefFile | \\
+    sed '
+      N
+      : loop
+      s/^\\(@<:@0-9@:>@\\+\\)\\(@<:@^;@:>@*\\)\\(;.*\\)\\?/\\2 @\\1 NONAME/
+      t loop
+    ' > ${D}{tmpdefFile}%
+    grep -v "^ *${D}" < ${D}{tmpdefFile}% > ${D}tmpdefFile
+else
+    rm -f ${D}{tmpdefFile}%
+fi
+cat ${D}tmpdefFile >> ${D}defFile
+rm -f ${D}tmpdefFile
+
+# Do linking, create implib, and apply lxlite.
+gccCmdl="";
+for file in ${D}inputFiles ; do
+    case ${D}file in
+    *!)
+        ;;
+    *)
+        gccCmdl="${D}gccCmdl ${D}file"
+        ;;
+    esac
+done
+doCommand "${D}CC ${D}CFLAGS -Zdll -o ${D}dllFile ${D}defFile ${D}gccCmdl ${D}EXTRA_CFLAGS"
+touch "${D}{outFile}.dll"
+
+doCommand "emximp -o ${D}arcFile ${D}defFile"
+if @<:@ ${D}flag_USE_LXLITE -ne 0 @:>@; then
+    add_flags="";
+    if @<:@ ${D}EXPORT_BY_ORDINALS -ne 0 @:>@; then
+        add_flags="-ynd"
+    fi
+    doCommand "lxlite -cs -t: -mrn -mln ${D}add_flags ${D}dllFile"
+fi
+doCommand "emxomf -s -l ${D}arcFile"
+
+# Successful exit.
+CleanUp 1
+exit 0
+EOF
+dnl ===================== dllar.sh ends here =====================
+])
+
+AC_DEFUN([AC_BAKEFILE_CREATE_FILE_BK_DEPS],
+[
+dnl ===================== bk-deps begins here =====================
+dnl    (Created by merge-scripts.py from bk-deps
+dnl     file do not edit here!)
+D='$'
+cat <<EOF >bk-deps
+#!/bin/sh
+
+# This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
+# script. It is used to track C/C++ files dependencies in portable way.
+#
+# Permission is given to use this file in any way.
+
+DEPSMODE=${DEPSMODE}
+DEPSDIR=.deps
+DEPSFLAG_GCC="${DEPSFLAG_GCC}"
+DEPSFLAG_MWCC="${DEPSFLAG_MWCC}"
+DEPSFLAG_SUNCC="${DEPSFLAG_SUNCC}"
+
+mkdir -p ${D}DEPSDIR
+
+if test ${D}DEPSMODE = gcc ; then
+    ${D}* ${D}{DEPSFLAG_GCC}
+    status=${D}?
+    if test ${D}{status} != 0 ; then
+        exit ${D}{status}
+    fi
+    # move created file to the location we want it in:
+    while test ${D}# -gt 0; do
+        case "${D}1" in
+            -o )
+                shift
+                objfile=${D}1
+            ;;
+            -* )
+            ;;
+            * )
+                srcfile=${D}1
+            ;;
+        esac
+        shift
+    done
+    depfile=\`basename ${D}srcfile | sed -e 's/\\..*${D}/.d/g'\`
+    depobjname=\`echo ${D}depfile |sed -e 's/\\.d/.o/g'\`
+    if test -f ${D}depfile ; then
+        sed -e "s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{DEPSDIR}/${D}{objfile}.d
+        rm -f ${D}depfile
+    else
+        depfile=\`basename ${D}objfile | sed -e 's/\\..*${D}/.d/g'\`
+        if test -f ${D}depfile ; then
+            sed -e "/^${D}objfile/!s,${D}depobjname:,${D}objfile:,g" ${D}depfile >${D}{DEPSDIR}/${D}{objfile}.d
+            rm -f ${D}depfile
+        fi
+    fi
+    exit 0
+elif test ${D}DEPSMODE = mwcc ; then
+    ${D}*
+    status=${D}?
+    if test ${D}{status} != 0 ; then
+        exit ${D}{status}
+    fi
+    # Run mwcc again with -MM and redirect into the dep file we want
+    # NOTE: We can't use shift here because we need ${D}* to be valid
+    prevarg=
+    for arg in ${D}* ; do
+        if test "${D}prevarg" = "-o"; then
+            objfile=${D}arg
+        else
+            case "${D}arg" in
+                -* )
+                ;;
+                * )
+                    srcfile=${D}arg
+                ;;
+            esac
+        fi
+        prevarg="${D}arg"
+    done
+    ${D}* ${D}DEPSFLAG_MWCC >${D}{DEPSDIR}/${D}{objfile}.d
+    exit 0
+elif test ${D}DEPSMODE = suncc; then
+    ${D}* || exit
+    # Run compiler again with deps flag and redirect into the dep file.
+    # It doesn't work if the '-o FILE' option is used, but without it the
+    # dependency file will contain the wrong name for the object. So it is
+    # removed from the command line, and the dep file is fixed with sed.
+    cmd=""
+    while test ${D}# -gt 0; do
+        case "${D}1" in
+            -o )
+                shift
+                objfile=${D}1
+            ;;
+            * )
+                eval arg${D}#=\\${D}1
+                cmd="${D}cmd \\${D}arg${D}#"
+            ;;
+        esac
+        shift
+    done
+    eval "${D}cmd ${D}DEPSFLAG_SUNCC" | sed "s|.*:|${D}objfile:|" >${D}{DEPSDIR}/${D}{objfile}.d
+    exit 0
+else
+    ${D}*
+    exit ${D}?
+fi
+EOF
+dnl ===================== bk-deps ends here =====================
+])
+
+AC_DEFUN([AC_BAKEFILE_CREATE_FILE_SHARED_LD_SH],
+[
+dnl ===================== shared-ld-sh begins here =====================
+dnl    (Created by merge-scripts.py from shared-ld-sh
+dnl     file do not edit here!)
+D='$'
+cat <<EOF >shared-ld-sh
 #!/bin/sh
 #-----------------------------------------------------------------------------
 #-- Name:        distrib/mac/shared-ld-sh
@@ -1280,9 +1531,10 @@ verbose=0
 args=""
 objects=""
 linking_flag="-dynamiclib"
+ldargs="-r -keep_private_externs -nostdlib"
 
-while test \${#} -gt 0; do
-    case \${1} in
+while test ${D}# -gt 0; do
+    case ${D}1 in
 
        -v)
         verbose=1
@@ -1290,31 +1542,36 @@ while test \${#} -gt 0; do
 
        -o|-compatibility_version|-current_version|-framework|-undefined|-install_name)
         # collect these options and values
-        args="\${args} \${1} \${2}"
+        args="${D}{args} ${D}1 ${D}2"
         shift
         ;;
+       
+       -s|-Wl,*)
+        # collect these load args
+        ldargs="${D}{ldargs} ${D}1"
+        ;;
 
-       -l*|-L*|-flat_namespace)
+       -l*|-L*|-flat_namespace|-headerpad_max_install_names)
         # collect these options
-        args="\${args} \${1}"
+        args="${D}{args} ${D}1"
         ;;
 
        -dynamiclib|-bundle)
-        linking_flag="\${1}"
+        linking_flag="${D}1"
         ;;
 
        -*)
-        echo "shared-ld: unhandled option '\${1}'"
+        echo "shared-ld: unhandled option '${D}1'"
         exit 1
         ;;
 
         *.o | *.a | *.dylib)
         # collect object files
-        objects="\${objects} \${1}"
+        objects="${D}{objects} ${D}1"
         ;;
 
         *)
-        echo "shared-ld: unhandled argument '\${1}'"
+        echo "shared-ld: unhandled argument '${D}1'"
         exit 1
         ;;
 
@@ -1322,335 +1579,801 @@ while test \${#} -gt 0; do
     shift
 done
 
+status=0
+
 #
 # Link one module containing all the others
 #
-if test \${verbose} = 1; then
-    echo "c++ -r -keep_private_externs -nostdlib \${objects} -o master.\$\$.o"
-fi
-c++ -r -keep_private_externs -nostdlib \${objects} -o master.\$\$.o
-status=\$?
-if test \${status} != 0; then
-    exit \${status}
+if test ${D}{verbose} = 1; then
+    echo "c++ ${D}{ldargs} ${D}{objects} -o master.${D}${D}.o"
 fi
+c++ ${D}{ldargs} ${D}{objects} -o master.${D}${D}.o
+status=${D}?
 
 #
-# Link the shared library from the single module created
+# Link the shared library from the single module created, but only if the
+# previous command didn't fail:
 #
-if test \${verbose} = 1; then
-    echo "cc \${linking_flag} master.\$\$.o \${args}"
-fi
-c++ \${linking_flag} master.\$\$.o \${args}
-status=\$?
-if test \${status} != 0; then
-    exit \${status}
+if test ${D}{status} = 0; then
+    if test ${D}{verbose} = 1; then
+        echo "c++ ${D}{linking_flag} master.${D}${D}.o ${D}{args}"
+    fi
+    c++ ${D}{linking_flag} master.${D}${D}.o ${D}{args}
+    status=${D}?
 fi
 
 #
 # Remove intermediate module
 #
-rm -f master.\$\$.o
+rm -f master.${D}${D}.o
 
-exit 0
+exit ${D}status
 EOF
-        chmod +x shared-ld-sh
-
-        SHARED_LD_CC="`pwd`/shared-ld-sh -dynamiclib -undefined suppress -flat_namespace -o"
-        SHARED_LD_MODULE_CC="`pwd`/shared-ld-sh -bundle -undefined suppress -flat_namespace -o"
-        SHARED_LD_CXX="$SHARED_LD_CC"
-        SHARED_LD_MODULE_CXX="$SHARED_LD_MODULE_CC"
-        PIC_FLAG="-dynamic -fPIC"
-        dnl FIXME - what about C libs? Gilles says to use c++ because it doesn't
-        dnl         matter for C projects and matters for C++ ones
-        dnl FIXME - newer devel tools have linker flag to do this, the script
-        dnl         is not necessary - detect!
-      ;;
-
-      *-*-aix* )
-        dnl default settings are ok for gcc
-        if test "x$GCC" != "xyes"; then
-            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)
-            dnl FIXME - what about makeCSharedLib?            
-            SHARED_LD_CC="$AIX_CC_LD -p 0 -o"
-            SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o"
-        fi
-      ;;
+dnl ===================== shared-ld-sh ends here =====================
+])
 
-      *-*-beos* )
-        dnl can't use gcc under BeOS for shared library creation because it
-        dnl complains about missing 'main'
-        SHARED_LD_CC="${LD} -shared -o"
-        SHARED_LD_CXX="${LD} -shared -o"
-      ;;
+AC_DEFUN([AC_BAKEFILE_CREATE_FILE_BK_MAKE_PCH],
+[
+dnl ===================== bk-make-pch begins here =====================
+dnl    (Created by merge-scripts.py from bk-make-pch
+dnl     file do not edit here!)
+D='$'
+cat <<EOF >bk-make-pch
+#!/bin/sh
 
-      *-*-irix* )
-        dnl default settings are ok for gcc
-        if test "x$GCC" != "xyes"; then
-            PIC_FLAG="-KPIC"
-        fi
-      ;;
-      
-      *-*-cygwin* | *-*-mingw32* )
-        PIC_FLAG=""
-      ;;
-      
-      *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
-      *-*-sunos4* | \
-      *-*-osf* | \
-      *-*-dgux5* | \
-      *-*-sysv5* )
-        dnl defaults are ok
-      ;;
+# This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
+# script. It is used to generated precompiled headers.
+#
+# Permission is given to use this file in any way.
 
-      *)
-        AC_MSG_ERROR(unknown system type $host.)
+outfile="${D}{1}"
+header="${D}{2}"
+shift
+shift
+
+compiler=
+headerfile=
+while test ${D}{#} -gt 0; do
+    case "${D}{1}" in
+        -I* )
+            incdir=\`echo ${D}{1} | sed -e 's/-I\\(.*\\)/\\1/g'\`
+            if test "x${D}{headerfile}" = "x" -a -f "${D}{incdir}/${D}{header}" ; then
+                headerfile="${D}{incdir}/${D}{header}"
+            fi
+        ;;
     esac
+    compiler="${D}{compiler} ${D}{1}"
+    shift
+done
 
-    if test "x$SHARED_LD_MODULE_CC" = "x" ; then
-        SHARED_LD_MODULE_CC="$SHARED_LD_CC"
-    fi
-    if test "x$SHARED_LD_MODULE_CXX" = "x" ; then
-        SHARED_LD_MODULE_CXX="$SHARED_LD_CXX"
+if test "x${D}{headerfile}" = "x" ; then
+    echo "error: can't find header ${D}{header} in include paths" >2
+else
+    if test -f ${D}{outfile} ; then
+        rm -f ${D}{outfile}
+    else
+        mkdir -p \`dirname ${D}{outfile}\`
     fi
-
-    AC_SUBST(SHARED_LD_CC)
-    AC_SUBST(SHARED_LD_CXX)
-    AC_SUBST(SHARED_LD_MODULE_CC)
-    AC_SUBST(SHARED_LD_MODULE_CXX)
-    AC_SUBST(PIC_FLAG)
+    depsfile=".deps/\`echo ${D}{outfile} | tr '/.' '__'\`.d"
+    mkdir -p .deps
+    # can do this because gcc is >= 3.4:
+    ${D}{compiler} -o ${D}{outfile} -MMD -MF "${D}{depsfile}" "${D}{headerfile}"
+    exit ${D}{?}
+fi
+EOF
+dnl ===================== bk-make-pch ends here =====================
 ])
 
-
-dnl ---------------------------------------------------------------------------
-dnl AC_BAKEFILE_SHARED_VERSIONS
 dnl
-dnl Detects linker options for attaching versions (sonames) to shared  libs.
-dnl ---------------------------------------------------------------------------
-
-AC_DEFUN(AC_BAKEFILE_SHARED_VERSIONS,
+dnl AM_PATH_CPPUNIT(MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl
+AC_DEFUN(AM_PATH_CPPUNIT,
 [
-    USE_SOVERSION=0
-    USE_SOVERLINUX=0
-    USE_SOVERSOLARIS=0
-    USE_SOSYMLINKS=0
-    USE_MACVERSION=0
-    SONAME_FLAG=
 
-    case "${host}" in
-      *-*-linux* )
-        SONAME_FLAG="-Wl,-soname,"
-        USE_SOVERSION=1
-        USE_SOVERLINUX=1
-        USE_SOSYMLINKS=1
-      ;;
+AC_ARG_WITH(cppunit-prefix,[  --with-cppunit-prefix=PFX   Prefix where CppUnit is installed (optional)],
+            cppunit_config_prefix="$withval", cppunit_config_prefix="")
+AC_ARG_WITH(cppunit-exec-prefix,[  --with-cppunit-exec-prefix=PFX  Exec prefix where CppUnit is installed (optional)],
+            cppunit_config_exec_prefix="$withval", cppunit_config_exec_prefix="")
 
-      *-*-solaris2* )
-        SONAME_FLAG="-h "
-        USE_SOVERSION=1
-        USE_SOVERSOLARIS=1
-        USE_SOSYMLINKS=1
-      ;;
+  if test x$cppunit_config_exec_prefix != x ; then
+     cppunit_config_args="$cppunit_config_args --exec-prefix=$cppunit_config_exec_prefix"
+     if test x${CPPUNIT_CONFIG+set} != xset ; then
+        CPPUNIT_CONFIG=$cppunit_config_exec_prefix/bin/cppunit-config
+     fi
+  fi
+  if test x$cppunit_config_prefix != x ; then
+     cppunit_config_args="$cppunit_config_args --prefix=$cppunit_config_prefix"
+     if test x${CPPUNIT_CONFIG+set} != xset ; then
+        CPPUNIT_CONFIG=$cppunit_config_prefix/bin/cppunit-config
+     fi
+  fi
 
-      *-*-darwin* )
-        USE_MACVERSION=1
-        USE_SOVERSION=1
-        USE_SOSYMLINKS=1
-      ;;      
-    esac
+  AC_PATH_PROG(CPPUNIT_CONFIG, cppunit-config, no)
+  cppunit_version_min=$1
 
-    AC_SUBST(USE_SOVERSION)
-    AC_SUBST(USE_SOVERLINUX)
-    AC_SUBST(USE_SOVERSOLARIS)
-    AC_SUBST(USE_MACVERSION)
-    AC_SUBST(USE_SOSYMLINKS)
-    AC_SUBST(SONAME_FLAG)
+  AC_MSG_CHECKING(for Cppunit - version >= $cppunit_version_min)
+  no_cppunit=""
+  if test "$CPPUNIT_CONFIG" = "no" ; then
+    no_cppunit=yes
+  else
+    CPPUNIT_CFLAGS=`$CPPUNIT_CONFIG --cflags`
+    CPPUNIT_LIBS=`$CPPUNIT_CONFIG --libs`
+    cppunit_version=`$CPPUNIT_CONFIG --version`
+
+    cppunit_major_version=`echo $cppunit_version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    cppunit_minor_version=`echo $cppunit_version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    cppunit_micro_version=`echo $cppunit_version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+
+    cppunit_major_min=`echo $cppunit_version_min | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    cppunit_minor_min=`echo $cppunit_version_min | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    cppunit_micro_min=`echo $cppunit_version_min | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+
+    cppunit_version_proper=`expr \
+        $cppunit_major_version \> $cppunit_major_min \| \
+        $cppunit_major_version \= $cppunit_major_min \& \
+        $cppunit_minor_version \> $cppunit_minor_min \| \
+        $cppunit_major_version \= $cppunit_major_min \& \
+        $cppunit_minor_version \= $cppunit_minor_min \& \
+        $cppunit_micro_version \>= $cppunit_micro_min `
+
+    if test "$cppunit_version_proper" = "1" ; then
+      AC_MSG_RESULT([$cppunit_major_version.$cppunit_minor_version.$cppunit_micro_version])
+    else
+      AC_MSG_RESULT(no)
+      no_cppunit=yes
+    fi
+  fi
+
+  if test "x$no_cppunit" = x ; then
+     ifelse([$2], , :, [$2])     
+  else
+     CPPUNIT_CFLAGS=""
+     CPPUNIT_LIBS=""
+     ifelse([$3], , :, [$3])
+  fi
+
+  AC_SUBST(CPPUNIT_CFLAGS)
+  AC_SUBST(CPPUNIT_LIBS)
+])
+
+
+
+
+# Configure paths for GTK+
+# Owen Taylor     1997-2001
+
+dnl AM_PATH_GTK_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
+dnl Test for GTK+, and define GTK_CFLAGS and GTK_LIBS, if gthread is specified in MODULES, 
+dnl pass to pkg-config
+dnl
+AC_DEFUN([AM_PATH_GTK_2_0],
+[dnl 
+dnl Get the cflags and libraries from pkg-config
+dnl
+AC_ARG_ENABLE(gtktest, [  --disable-gtktest       do not try to compile and run a test GTK+ program],
+                   , enable_gtktest=yes)
+
+  pkg_config_args=gtk+-2.0
+  for module in . $4
+  do
+      case "$module" in
+         gthread) 
+             pkg_config_args="$pkg_config_args gthread-2.0"
+         ;;
+      esac
+  done
+
+  no_gtk=""
+
+  AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
+
+  if test x$PKG_CONFIG != xno ; then
+    if pkg-config --atleast-pkgconfig-version 0.7 ; then
+      :
+    else
+      echo "*** pkg-config too old; version 0.7 or better required."
+      no_gtk=yes
+      PKG_CONFIG=no
+    fi
+  else
+    no_gtk=yes
+  fi
+
+  min_gtk_version=ifelse([$1], ,2.0.0,$1)
+  AC_MSG_CHECKING(for GTK+ - version >= $min_gtk_version)
+
+  if test x$PKG_CONFIG != xno ; then
+    ## don't try to run the test against uninstalled libtool libs
+    if $PKG_CONFIG --uninstalled $pkg_config_args; then
+         echo "Will use uninstalled version of GTK+ found in PKG_CONFIG_PATH"
+         enable_gtktest=no
+    fi
+
+    if $PKG_CONFIG --atleast-version $min_gtk_version $pkg_config_args; then
+         :
+    else
+         no_gtk=yes
+    fi
+  fi
+
+  if test x"$no_gtk" = x ; then
+    GTK_CFLAGS=`$PKG_CONFIG $pkg_config_args --cflags`
+    GTK_LIBS=`$PKG_CONFIG $pkg_config_args --libs`
+    gtk_config_major_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    gtk_config_minor_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    gtk_config_micro_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+    if test "x$enable_gtktest" = "xyes" ; then
+      ac_save_CFLAGS="$CFLAGS"
+      ac_save_LIBS="$LIBS"
+      CFLAGS="$CFLAGS $GTK_CFLAGS"
+      LIBS="$GTK_LIBS $LIBS"
+dnl
+dnl Now check if the installed GTK+ is sufficiently new. (Also sanity
+dnl checks the results of pkg-config to some extent)
+dnl
+      rm -f conf.gtktest
+      AC_TRY_RUN([
+#include <gtk/gtk.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int 
+main ()
+{
+  int major, minor, micro;
+  char *tmp_version;
+
+  system ("touch conf.gtktest");
+
+  /* HP/UX 9 (%@#!) writes to sscanf strings */
+  tmp_version = g_strdup("$min_gtk_version");
+  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
+     printf("%s, bad version string\n", "$min_gtk_version");
+     exit(1);
+   }
+
+  if ((gtk_major_version != $gtk_config_major_version) ||
+      (gtk_minor_version != $gtk_config_minor_version) ||
+      (gtk_micro_version != $gtk_config_micro_version))
+    {
+      printf("\n*** 'pkg-config --modversion gtk+-2.0' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n", 
+             $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
+             gtk_major_version, gtk_minor_version, gtk_micro_version);
+      printf ("*** was found! If pkg-config was correct, then it is best\n");
+      printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
+      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
+      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
+      printf("*** required on your system.\n");
+      printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
+      printf("*** to point to the correct configuration files\n");
+    } 
+  else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
+          (gtk_minor_version != GTK_MINOR_VERSION) ||
+           (gtk_micro_version != GTK_MICRO_VERSION))
+    {
+      printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
+            GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
+      printf("*** library (version %d.%d.%d)\n",
+            gtk_major_version, gtk_minor_version, gtk_micro_version);
+    }
+  else
+    {
+      if ((gtk_major_version > major) ||
+        ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
+        ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
+      {
+        return 0;
+       }
+     else
+      {
+        printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
+               gtk_major_version, gtk_minor_version, gtk_micro_version);
+        printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
+              major, minor, micro);
+        printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
+        printf("***\n");
+        printf("*** If you have already installed a sufficiently new version, this error\n");
+        printf("*** probably means that the wrong copy of the pkg-config shell script is\n");
+        printf("*** being found. The easiest way to fix this is to remove the old version\n");
+        printf("*** of GTK+, but you can also set the PKG_CONFIG environment to point to the\n");
+        printf("*** correct copy of pkg-config. (In this case, you will have to\n");
+        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
+        printf("*** so that the correct libraries are found at run-time))\n");
+      }
+    }
+  return 1;
+}
+],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       LIBS="$ac_save_LIBS"
+     fi
+  fi
+  if test "x$no_gtk" = x ; then
+     AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version))
+     ifelse([$2], , :, [$2])     
+  else
+     AC_MSG_RESULT(no)
+     if test "$PKG_CONFIG" = "no" ; then
+       echo "*** A new enough version of pkg-config was not found."
+       echo "*** See http://pkgconfig.sourceforge.net"
+     else
+       if test -f conf.gtktest ; then
+        :
+       else
+          echo "*** Could not run GTK+ test program, checking why..."
+         ac_save_CFLAGS="$CFLAGS"
+         ac_save_LIBS="$LIBS"
+          CFLAGS="$CFLAGS $GTK_CFLAGS"
+          LIBS="$LIBS $GTK_LIBS"
+          AC_TRY_LINK([
+#include <gtk/gtk.h>
+#include <stdio.h>
+],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
+        [ echo "*** The test program compiled, but did not run. This usually means"
+          echo "*** that the run-time linker is not finding GTK+ or finding the wrong"
+          echo "*** version of GTK+. If it is not finding GTK+, you'll need to set your"
+          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
+          echo "*** is required on your system"
+         echo "***"
+          echo "*** If you have an old version installed, it is best to remove it, although"
+          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
+        [ echo "*** The test program failed to compile or link. See the file config.log for the"
+          echo "*** exact error that occured. This usually means GTK+ is incorrectly installed."])
+          CFLAGS="$ac_save_CFLAGS"
+          LIBS="$ac_save_LIBS"
+       fi
+     fi
+     GTK_CFLAGS=""
+     GTK_LIBS=""
+     ifelse([$3], , :, [$3])
+  fi
+  AC_SUBST(GTK_CFLAGS)
+  AC_SUBST(GTK_LIBS)
+  rm -f conf.gtktest
+])
+
+# Configure paths for GTK+
+# Owen Taylor     97-11-3
+
+dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
+dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS
+dnl
+AC_DEFUN(AM_PATH_GTK,
+[dnl 
+dnl Get the cflags and libraries from the gtk-config script
+dnl
+AC_ARG_WITH(gtk-prefix,[  --with-gtk-prefix=PFX   Prefix where GTK is installed (optional)],
+            gtk_config_prefix="$withval", gtk_config_prefix="")
+AC_ARG_WITH(gtk-exec-prefix,[  --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],
+            gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="")
+AC_ARG_ENABLE(gtktest, [  --disable-gtktest       Do not try to compile and run a test GTK program],
+                   , enable_gtktest=yes)
+
+  for module in . $4
+  do
+      case "$module" in
+         gthread) 
+             gtk_config_args="$gtk_config_args gthread"
+         ;;
+      esac
+  done
+
+  if test x$gtk_config_exec_prefix != x ; then
+     gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
+     if test x${GTK_CONFIG+set} != xset ; then
+        GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config
+     fi
+  fi
+  if test x$gtk_config_prefix != x ; then
+     gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
+     if test x${GTK_CONFIG+set} != xset ; then
+        GTK_CONFIG=$gtk_config_prefix/bin/gtk-config
+     fi
+  fi
+
+  AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
+  min_gtk_version=ifelse([$1], ,0.99.7,$1)
+  AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
+  no_gtk=""
+  if test "$GTK_CONFIG" = "no" ; then
+    no_gtk=yes
+  else
+    GTK_CFLAGS=`$GTK_CONFIG $gtk_config_args --cflags`
+    GTK_LIBS=`$GTK_CONFIG $gtk_config_args --libs`
+    gtk_config_major_version=`$GTK_CONFIG $gtk_config_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    gtk_config_minor_version=`$GTK_CONFIG $gtk_config_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    gtk_config_micro_version=`$GTK_CONFIG $gtk_config_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+    if test "x$enable_gtktest" = "xyes" ; then
+      ac_save_CFLAGS="$CFLAGS"
+      ac_save_LIBS="$LIBS"
+      CFLAGS="$CFLAGS $GTK_CFLAGS"
+      LIBS="$GTK_LIBS $LIBS"
+dnl
+dnl Now check if the installed GTK is sufficiently new. (Also sanity
+dnl checks the results of gtk-config to some extent
+dnl
+      rm -f conf.gtktest
+      AC_TRY_RUN([
+#include <gtk/gtk.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int 
+main ()
+{
+  int major, minor, micro;
+  char *tmp_version;
+
+  system ("touch conf.gtktest");
+
+  /* HP/UX 9 (%@#!) writes to sscanf strings */
+  tmp_version = g_strdup("$min_gtk_version");
+  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
+     printf("%s, bad version string\n", "$min_gtk_version");
+     exit(1);
+   }
+
+  if ((gtk_major_version != $gtk_config_major_version) ||
+      (gtk_minor_version != $gtk_config_minor_version) ||
+      (gtk_micro_version != $gtk_config_micro_version))
+    {
+      printf("\n*** 'gtk-config --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n", 
+             $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
+             gtk_major_version, gtk_minor_version, gtk_micro_version);
+      printf ("*** was found! If gtk-config was correct, then it is best\n");
+      printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
+      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
+      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
+      printf("*** required on your system.\n");
+      printf("*** If gtk-config was wrong, set the environment variable GTK_CONFIG\n");
+      printf("*** to point to the correct copy of gtk-config, and remove the file config.cache\n");
+      printf("*** before re-running configure\n");
+    } 
+#if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)
+  else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
+          (gtk_minor_version != GTK_MINOR_VERSION) ||
+           (gtk_micro_version != GTK_MICRO_VERSION))
+    {
+      printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
+            GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
+      printf("*** library (version %d.%d.%d)\n",
+            gtk_major_version, gtk_minor_version, gtk_micro_version);
+    }
+#endif /* defined (GTK_MAJOR_VERSION) ... */
+  else
+    {
+      if ((gtk_major_version > major) ||
+        ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
+        ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
+      {
+        return 0;
+       }
+     else
+      {
+        printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
+               gtk_major_version, gtk_minor_version, gtk_micro_version);
+        printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
+              major, minor, micro);
+        printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
+        printf("***\n");
+        printf("*** If you have already installed a sufficiently new version, this error\n");
+        printf("*** probably means that the wrong copy of the gtk-config shell script is\n");
+        printf("*** being found. The easiest way to fix this is to remove the old version\n");
+        printf("*** of GTK+, but you can also set the GTK_CONFIG environment to point to the\n");
+        printf("*** correct copy of gtk-config. (In this case, you will have to\n");
+        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
+        printf("*** so that the correct libraries are found at run-time))\n");
+      }
+    }
+  return 1;
+}
+],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       LIBS="$ac_save_LIBS"
+     fi
+  fi
+  if test "x$no_gtk" = x ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$2], , :, [$2])     
+  else
+     AC_MSG_RESULT(no)
+     if test "$GTK_CONFIG" = "no" ; then
+       echo "*** The gtk-config script installed by GTK could not be found"
+       echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"
+       echo "*** your path, or set the GTK_CONFIG environment variable to the"
+       echo "*** full path to gtk-config."
+     else
+       if test -f conf.gtktest ; then
+        :
+       else
+          echo "*** Could not run GTK test program, checking why..."
+          CFLAGS="$CFLAGS $GTK_CFLAGS"
+          LIBS="$LIBS $GTK_LIBS"
+          AC_TRY_LINK([
+#include <gtk/gtk.h>
+#include <stdio.h>
+],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
+        [ echo "*** The test program compiled, but did not run. This usually means"
+          echo "*** that the run-time linker is not finding GTK or finding the wrong"
+          echo "*** version of GTK. If it is not finding GTK, you'll need to set your"
+          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
+          echo "*** is required on your system"
+         echo "***"
+          echo "*** If you have an old version installed, it is best to remove it, although"
+          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
+          echo "***"
+          echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
+          echo "*** came with the system with the command"
+          echo "***"
+          echo "***    rpm --erase --nodeps gtk gtk-devel" ],
+        [ echo "*** The test program failed to compile or link. See the file config.log for the"
+          echo "*** exact error that occured. This usually means GTK was incorrectly installed"
+          echo "*** or that you have moved GTK since it was installed. In the latter case, you"
+          echo "*** may want to edit the gtk-config script: $GTK_CONFIG" ])
+          CFLAGS="$ac_save_CFLAGS"
+          LIBS="$ac_save_LIBS"
+       fi
+     fi
+     GTK_CFLAGS=""
+     GTK_LIBS=""
+     ifelse([$3], , :, [$3])
+  fi
+  AC_SUBST(GTK_CFLAGS)
+  AC_SUBST(GTK_LIBS)
+  rm -f conf.gtktest
 ])
 
 
-dnl ---------------------------------------------------------------------------
-dnl AC_BAKEFILE_DEPS
-dnl
-dnl Detects available C/C++ dependency tracking options
-dnl ---------------------------------------------------------------------------
+dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
+dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
+dnl also defines GSTUFF_PKG_ERRORS on error
+AC_DEFUN(PKG_CHECK_MODULES, [
+  succeeded=no
 
-AC_DEFUN(AC_BAKEFILE_DEPS,
-[
-    AC_MSG_CHECKING([for dependency tracking method])
-    DEPS_TRACKING=0
+  if test -z "$PKG_CONFIG"; then
+    AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
+  fi
 
-    if test "x$GCC" = "xyes"; then
-        DEPSMODE=gcc
-        DEPS_TRACKING=1
-        case "${host}" in
-            powerpc-*-darwin* )
-                dnl -cpp-precomp (the default) conflicts with -MMD option
-                dnl used by bk-deps (see also http://developer.apple.com/documentation/Darwin/Conceptual/PortingUnix/compiling/chapter_4_section_3.html)
-                DEPSFLAG_GCC="-no-cpp-precomp -MMD"
-            ;;
-            * )
-                DEPSFLAG_GCC="-MMD"
-            ;;
-        esac
-        AC_MSG_RESULT([gcc])
-    else
-        AC_MSG_RESULT([none])
-    fi
+  if test "$PKG_CONFIG" = "no" ; then
+     echo "*** The pkg-config script could not be found. Make sure it is"
+     echo "*** in your path, or set the PKG_CONFIG environment variable"
+     echo "*** to the full path to pkg-config."
+     echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
+  else
+     PKG_CONFIG_MIN_VERSION=0.9.0
+     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+        AC_MSG_CHECKING(for $2)
 
-    if test $DEPS_TRACKING = 1 ; then
-        cat <<EOF >bk-deps
-#!/bin/sh
+        if $PKG_CONFIG --exists "$2" ; then
+            AC_MSG_RESULT(yes)
+            succeeded=yes
 
-# This script is part of Bakefile (http://bakefile.sf.net) autoconf script.
-# It is used to track C/C++ files dependencies in portable way.
-#
-# Permission is given to use this file in any way.
+            AC_MSG_CHECKING($1_CFLAGS)
+            $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
+            AC_MSG_RESULT($$1_CFLAGS)
 
-DEPSMODE=$DEPSMODE
-DEPSDIR=.deps
-DEPSFLAG_GCC="$DEPSFLAG_GCC"
+            AC_MSG_CHECKING($1_LIBS)
+            $1_LIBS=`$PKG_CONFIG --libs "$2"`
+            AC_MSG_RESULT($$1_LIBS)
+        else
+            $1_CFLAGS=""
+            $1_LIBS=""
+            ## If we have a custom action on failure, don't print errors, but 
+            ## do set a variable so people can do so.
+            $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
+            ifelse([$4], ,echo $$1_PKG_ERRORS,)
+        fi
 
-mkdir -p \$DEPSDIR
+        AC_SUBST($1_CFLAGS)
+        AC_SUBST($1_LIBS)
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
+     fi
+  fi
 
-if test \$DEPSMODE = gcc ; then
-    \${*} \${DEPSFLAG_GCC}
-    status=\${?}
-    if test \${status} != 0 ; then
-        exit \${status}
-    fi
-    # move created file to the location we want it in:
-    while test \${#} -gt 0; do
-        case "\${1}" in
-            -o )
-                shift
-                objfile=\${1}
-            ;;
-            -* )
-            ;;
-            * )
-                srcfile=\${1}
-            ;;
-        esac
-        shift
-    done
-    depfile=\`basename \$srcfile | sed -e 's/\..*$/.d/g'\`
-    depobjname=\`echo \$depfile |sed -e 's/\.d/.o/g'\`
-    if test -f \$depfile ; then
-        sed -e "s,\$depobjname:,\$objfile:,g" \$depfile >\${DEPSDIR}/\${objfile}.d
-        rm -f \$depfile
-    else
-        depfile=\`basename \$objfile | sed -e 's/\..*$/.d/g'\`
-        if test -f \$depfile ; then
-            sed -e "/^\$objfile/! s,\$depobjname:,\$objfile:,g" \$depfile >\${DEPSDIR}/\${objfile}.d
-            rm -f \$depfile
-        fi
-    fi
-    exit 0
-else
-    \${*}
-    exit \${?}
-fi
-EOF
-        chmod +x bk-deps
-    fi
-    
-    AC_SUBST(DEPS_TRACKING)
+  if test $succeeded = yes; then
+     ifelse([$3], , :, [$3])
+  else
+     ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4])
+  fi
 ])
 
-dnl ---------------------------------------------------------------------------
-dnl AC_BAKEFILE_CHECK_BASIC_STUFF
-dnl
-dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
-dnl or "install"
-dnl ---------------------------------------------------------------------------
-
-AC_DEFUN(AC_BAKEFILE_CHECK_BASIC_STUFF,
-[
-    AC_PROG_RANLIB
-    AC_PROG_INSTALL
-    AC_PROG_LN_S
 
-    AC_PROG_MAKE_SET
-    AC_SUBST(MAKE_SET)
-    
-    if test "$build" != "$host" ; then
-        AR=$host_alias-ar
-        STRIP=$host_alias-strip
-    else
-        AC_CHECK_PROG(AR, ar, ar, ar)
-        AC_CHECK_PROG(STRIP, strip, strip, true)
-    fi
 
-    case ${host} in
-        *-hp-hpux* )
-            INSTALL_DIR="mkdir"
-            ;;
-        *)  INSTALL_DIR="$INSTALL -d"
-            ;;
-    esac
-    AC_SUBST(INSTALL_DIR)
+# Configure paths for SDL
+# Sam Lantinga 9/21/99
+# stolen from Manish Singh
+# stolen back from Frank Belew
+# stolen from Manish Singh
+# Shamelessly stolen from Owen Taylor
 
-    LDFLAGS_GUI=
-    case ${host} in
-        *-*-cygwin* | *-*-mingw32* )
-        LDFLAGS_GUI="-Wl,--subsystem,windows -mwindows"
-    esac
-    AC_SUBST(LDFLAGS_GUI)
-])
+dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
+dnl
+AC_DEFUN([AM_PATH_SDL],
+[dnl 
+dnl Get the cflags and libraries from the sdl-config script
+dnl
+AC_ARG_WITH(sdl-prefix,[  --with-sdl-prefix=PFX   Prefix where SDL is installed (optional)],
+            sdl_prefix="$withval", sdl_prefix="")
+AC_ARG_WITH(sdl-exec-prefix,[  --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
+            sdl_exec_prefix="$withval", sdl_exec_prefix="")
+AC_ARG_ENABLE(sdltest, [  --disable-sdltest       Do not try to compile and run a test SDL program],
+                   , enable_sdltest=yes)
+
+  if test x$sdl_exec_prefix != x ; then
+     sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
+     if test x${SDL_CONFIG+set} != xset ; then
+        SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
+     fi
+  fi
+  if test x$sdl_prefix != x ; then
+     sdl_args="$sdl_args --prefix=$sdl_prefix"
+     if test x${SDL_CONFIG+set} != xset ; then
+        SDL_CONFIG=$sdl_prefix/bin/sdl-config
+     fi
+  fi
 
+  AC_REQUIRE([AC_CANONICAL_TARGET])
+  PATH="$prefix/bin:$prefix/usr/bin:$PATH"
+  AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH])
+  min_sdl_version=ifelse([$1], ,0.11.0,$1)
+  AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
+  no_sdl=""
+  if test "$SDL_CONFIG" = "no" ; then
+    no_sdl=yes
+  else
+    SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
+    SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
 
-dnl ---------------------------------------------------------------------------
-dnl AC_BAKEFILE_RES_COMPILERS
+    sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+    if test "x$enable_sdltest" = "xyes" ; then
+      ac_save_CFLAGS="$CFLAGS"
+      ac_save_CXXFLAGS="$CXXFLAGS"
+      ac_save_LIBS="$LIBS"
+      CFLAGS="$CFLAGS $SDL_CFLAGS"
+      CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
+      LIBS="$LIBS $SDL_LIBS"
 dnl
-dnl Checks for presence of resource compilers for win32 or mac
-dnl ---------------------------------------------------------------------------
+dnl Now check if the installed SDL is sufficiently new. (Also sanity
+dnl checks the results of sdl-config to some extent
+dnl
+      rm -f conf.sdltest
+      AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "SDL.h"
 
-AC_DEFUN(AC_BAKEFILE_RES_COMPILERS,
-[
-    RESCOMP=
-    SETFILE=
+char*
+my_strdup (char *str)
+{
+  char *new_str;
+  
+  if (str)
+    {
+      new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
+      strcpy (new_str, str);
+    }
+  else
+    new_str = NULL;
+  
+  return new_str;
+}
 
-    case ${host} in 
-        *-*-cygwin* | *-*-mingw32* )
-            dnl Check for win32 resources compiler:
-            if test "$build" != "$host" ; then
-                RESCOMP=$host_alias-windres
-            else
-                AC_CHECK_PROG(RESCOMP, windres, windres, windres)
-            fi
-         ;;
-      *-*-darwin* )
-            AC_CHECK_PROG(RESCOMP, Rez, Rez, /Developer/Tools/Rez)
-            AC_CHECK_PROG(SETFILE, SetFile, SetFile, /Developer/Tools/SetFile)
-        ;;
-    esac
+int main (int argc, char *argv[])
+{
+  int major, minor, micro;
+  char *tmp_version;
 
-    AC_SUBST(RESCOMP)
-    AC_SUBST(SETFILE)
-])
+  /* This hangs on some systems (?)
+  system ("touch conf.sdltest");
+  */
+  { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
 
-dnl ---------------------------------------------------------------------------
-dnl AC_BAKEFILE
-dnl
-dnl To be used in configure.in of any project using Bakefile-generated mks
-dnl ---------------------------------------------------------------------------
+  /* HP/UX 9 (%@#!) writes to sscanf strings */
+  tmp_version = my_strdup("$min_sdl_version");
+  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
+     printf("%s, bad version string\n", "$min_sdl_version");
+     exit(1);
+   }
 
-AC_DEFUN(AC_BAKEFILE,
-[
-    if test "x$BAKEFILE_CHECK_BASICS" != "xno"; then
-        AC_BAKEFILE_CHECK_BASIC_STUFF
-    fi
-    AC_BAKEFILE_GNUMAKE
-    AC_BAKEFILE_PLATFORM
-    AC_BAKEFILE_SUFFIXES
-    AC_BAKEFILE_SHARED_LD
-    AC_BAKEFILE_SHARED_VERSIONS
-    AC_BAKEFILE_DEPS
-    AC_BAKEFILE_RES_COMPILERS
+   if (($sdl_major_version > major) ||
+      (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
+      (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
+    {
+      return 0;
+    }
+  else
+    {
+      printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
+      printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
+      printf("*** best to upgrade to the required version.\n");
+      printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
+      printf("*** to point to the correct copy of sdl-config, and remove the file\n");
+      printf("*** config.cache before re-running configure\n");
+      return 1;
+    }
+}
+
+],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       CXXFLAGS="$ac_save_CXXFLAGS"
+       LIBS="$ac_save_LIBS"
+     fi
+  fi
+  if test "x$no_sdl" = x ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$2], , :, [$2])     
+  else
+     AC_MSG_RESULT(no)
+     if test "$SDL_CONFIG" = "no" ; then
+       echo "*** The sdl-config script installed by SDL could not be found"
+       echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
+       echo "*** your path, or set the SDL_CONFIG environment variable to the"
+       echo "*** full path to sdl-config."
+     else
+       if test -f conf.sdltest ; then
+        :
+       else
+          echo "*** Could not run SDL test program, checking why..."
+          CFLAGS="$CFLAGS $SDL_CFLAGS"
+          CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
+          LIBS="$LIBS $SDL_LIBS"
+          AC_TRY_LINK([
+#include <stdio.h>
+#include "SDL.h"
 
-    builtin(include, autoconf_inc.m4)
+int main(int argc, char *argv[])
+{ return 0; }
+#undef  main
+#define main K_and_R_C_main
+],      [ return 0; ],
+        [ echo "*** The test program compiled, but did not run. This usually means"
+          echo "*** that the run-time linker is not finding SDL or finding the wrong"
+          echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
+          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
+          echo "*** is required on your system"
+         echo "***"
+          echo "*** If you have an old version installed, it is best to remove it, although"
+          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
+        [ echo "*** The test program failed to compile or link. See the file config.log for the"
+          echo "*** exact error that occured. This usually means SDL was incorrectly installed"
+          echo "*** or that you have moved SDL since it was installed. In the latter case, you"
+          echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
+          CFLAGS="$ac_save_CFLAGS"
+          CXXFLAGS="$ac_save_CXXFLAGS"
+          LIBS="$ac_save_LIBS"
+       fi
+     fi
+     SDL_CFLAGS=""
+     SDL_LIBS=""
+     ifelse([$3], , :, [$3])
+  fi
+  AC_SUBST(SDL_CFLAGS)
+  AC_SUBST(SDL_LIBS)
+  rm -f conf.sdltest
 ])
 
+m4_include([acinclude.m4])