]> git.saurik.com Git - wxWidgets.git/blobdiff - aclocal.m4
multilib mode
[wxWidgets.git] / aclocal.m4
index 4b12b8b925a3730cabedf26eef172d82cd81a9a2..b92b74aa73f8efc09499514e59fbf9b114a5dc7d 100644 (file)
@@ -1,6 +1,6 @@
-# aclocal.m4 generated automatically by aclocal 1.6 -*- Autoconf -*-
+# generated automatically by aclocal 1.7.2 -*- Autoconf -*-
 
-# Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
 # Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -32,7 +32,7 @@ dnl ---------------------------------------------------------------------------
 AC_DEFUN([WX_PATH_FIND_INCLUDES],
 [
 ac_find_includes=
-for ac_dir in $1;
+for ac_dir in $1 /usr/include;
   do
     if test -f "$ac_dir/$2"; then
       ac_find_includes=$ac_dir
@@ -48,7 +48,7 @@ dnl ---------------------------------------------------------------------------
 AC_DEFUN([WX_PATH_FIND_LIBRARIES],
 [
 ac_find_libraries=
-for ac_dir in $1;
+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
@@ -64,13 +64,17 @@ dnl Path to include, already defined
 dnl ---------------------------------------------------------------------------
 AC_DEFUN([WX_INCLUDE_PATH_EXIST],
 [
-  ac_path_to_include=$1
-  echo "$2" | grep "\-I$1" > /dev/null
-  result=$?
-  if test $result = 0; then
+  dnl never add -I/usr/include to the CPPFLAGS
+  if test "x$1" = "x/usr/include"; then
     ac_path_to_include=""
   else
-    ac_path_to_include=" -I$1"
+    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
 ])
 
@@ -157,6 +161,53 @@ AC_DEFUN([WX_CPP_BOOL],
   fi
 ])
 
+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 ---------------------------------------------------------------------------
+
+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
+    )
+
+    AC_LANG_RESTORE
+  ])
+
+  if test "$wx_cv_explicit" = "yes"; then
+    AC_DEFINE(HAVE_EXPLICIT)
+  fi
+])
+
 dnl ---------------------------------------------------------------------------
 dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling
 dnl ---------------------------------------------------------------------------
@@ -302,10 +353,15 @@ AC_DEFUN([WX_ARG_WITH],
         ])
 
 dnl like WX_ARG_WITH but uses AC_ARG_ENABLE instead of AC_ARG_WITH
-dnl usage: WX_ARG_ENABLE(option, helpmessage, variable-name)
+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],
         [
-          AC_MSG_CHECKING([for --enable-$1])
+         enablestring=$4
+          AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
           no_cache=0
           AC_ARG_ENABLE($1, [$2],
                         [
@@ -339,6 +395,59 @@ AC_DEFUN([WX_ARG_ENABLE],
         ])
 
 
+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 $CXX flags needed to use
+dnl version script file named versionfile
+dnl
+dnl call WX_VERSIONED_SYMBOLS(versionfile)
+dnl ---------------------------------------------------------------------------
+AC_DEFUN([WX_VERSIONED_SYMBOLS],
+[
+  found_versioning=no
+
+  dnl FIXME - doesn't work, Solaris linker doesn't accept wildcards
+  dnl         in the script.
+  dnl dnl Check for known non-gcc cases:
+  dnl case "${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
+        else
+          wx_cv_version_script=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
@@ -422,6 +531,86 @@ size_t iconv();
   AC_SUBST(LIBICONV)
 ])
 
+dnl ---------------------------------------------------------------------------
+dnl AC_SYS_LARGEFILE (partly based on the code from autoconf 2.5x)
+dnl ---------------------------------------------------------------------------
+
+dnl WX_SYS_LARGEFILE_TEST
+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 WX_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, CACHE-VAR)
+define(WX_SYS_LARGEFILE_MACRO_VALUE,
+[
+    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])
+        ]
+    )
+
+    if test "$$3" != no; then
+        wx_largefile=yes
+        AC_DEFINE_UNQUOTED([$1], [$$3])
+    fi
+])
+
+
+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_MSG_CHECKING(if large file support is available)
+    if test "x$wx_largefile" = "xyes"; then
+        AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
+    fi
+    AC_MSG_RESULT($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
+])
 
 # Configure paths for GTK+
 # Owen Taylor     1997-2001
@@ -588,6 +777,8 @@ main ()
         :
        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([
@@ -604,9 +795,7 @@ main ()
           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+ 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 pkg-config script: $PKG_CONFIG" ])
+          echo "*** exact error that occured. This usually means GTK+ is incorrectly installed."])
           CFLAGS="$ac_save_CFLAGS"
           LIBS="$ac_save_LIBS"
        fi
@@ -815,3 +1004,633 @@ main ()
   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,)
+        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
+])
+
+
+
+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
+dnl Detects GNU make
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN(AC_BAKEFILE_GNUMAKE,
+[
+    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
+    ])
+
+    if test "x$bakefile_cv_prog_makeisgnu" = "xyes"; then
+        IF_GNU_MAKE=""
+    else
+        IF_GNU_MAKE="#"
+    fi
+    AC_SUBST(IF_GNU_MAKE)
+])
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_PLATFORM
+dnl
+dnl Detects platform and sets PLATFORM_XXX variables accordingly
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN(AC_BAKEFILE_PLATFORM,
+[
+    PLATFORM_UNIX=0
+    PLATFORM_WIN32=0
+    PLATFORM_MSDOS=0
+    PLATFORM_MAC=0
+    PLATFORM_MACOSX=0
+    
+    case "${host}" in
+        *-*-cygwin* | *-*-mingw32* )
+            PLATFORM_WIN32=1
+        ;;
+        *-pc-msdosdjgpp | *-pc-os2_emx | *-pc-os2-emx )
+            PLATFORM_MSDOS=1
+        ;;
+        powerpc-*-darwin* )
+            PLATFORM_MAC=1
+            PLATFORM_MACOSX=1
+        ;;
+        * )
+            PLATFORM_UNIX=1
+        ;;
+    esac
+
+    AC_SUBST(PLATFORM_UNIX)
+    AC_SUBST(PLATFORM_WIN32)
+    AC_SUBST(PLATFORM_MSDOS)
+    AC_SUBST(PLATFORM_MAC)
+    AC_SUBST(PLATFORM_MACOSX)
+])
+
+
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_SUFFIXES
+dnl
+dnl Detects shared various suffixes for shared libraries, libraries, programs,
+dnl plugins etc.
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN(AC_BAKEFILE_SUFFIXES,
+[
+    SO_SUFFIX="so"
+    EXEEXT=""
+    DLLPREFIX=lib
+    
+    case "${host}" in
+        *-hp-hpux* )
+            SO_SUFFIX="sl"
+        ;;
+        *-*-aix* )
+            dnl quoting from
+            dnl http://www-1.ibm.com/servers/esdd/articles/gnu.html:
+            dnl     Both archive libraries and shared libraries on AIX have an
+            dnl     .a extension. This will explain why you can't link with an
+            dnl     .so and why it works with the name changed to .a.
+            SO_SUFFIX="a"
+        ;;
+        *-*-cygwin* | *-*-mingw32* )
+            SO_SUFFIX="dll"
+            EXEEXT=".exe"
+            DLLPREFIX=""
+        ;;
+        *-pc-msdosdjgpp | *-pc-os2_emx | *-pc-os2-emx )
+            EXEEXT=".exe"
+            DLLPREFIX=""
+        ;;
+        powerpc-*-darwin* )
+            SO_SUFFIX="dylib"
+        ;;
+    esac
+
+    AC_SUBST(SO_SUFFIX)
+    AC_SUBST(EXEEXT)
+    AC_SUBST(DLLPREFIX)
+])
+
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_SHARED_LD
+dnl
+dnl Detects command for making shared libraries, substitutes SHARED_LD_CC
+dnl and SHARED_LD_CXX.
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN(AC_BAKEFILE_SHARED_LD,
+[
+    dnl Defaults for GCC and ELF .so shared libs:
+    SHARED_LD_CC="\$(CC) -shared -o"
+    SHARED_LD_CXX="\$(CXX) -shared -o"
+
+    dnl the extra compiler flags needed for compilation of shared library
+    if test "x$GCC" = "xyes"; then
+        dnl the switch for gcc is the same under all platforms
+        PIC_FLAG="-fPIC"
+    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"
+
+            SHARED_LD_CC="${CC} -b -o"
+            SHARED_LD_CXX="${CXX} -b -o"
+            PIC_FLAG="+Z"
+        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
+      ;;
+
+      *-*-solaris2* )
+        if test "x$GCC" != xyes ; then
+            SHARED_LD_CC="${CC} -G -o"
+            SHARED_LD_CXX="${CXX} -G -o"
+            PIC_FLAG="-KPIC"
+        fi
+      ;;
+
+      *-*-darwin* )
+        dnl For Unix to MacOS X porting instructions, see:
+        dnl http://fink.sourceforge.net/doc/porting/porting.html
+        CFLAGS="$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
+#!/bin/sh
+#-----------------------------------------------------------------------------
+#-- Name:        distrib/mac/shared-ld-sh
+#-- Purpose:     Link a mach-o dynamic shared library for Darwin / Mac OS X
+#-- Author:      Gilles Depeyrot
+#-- Copyright:   (c) 2002 Gilles Depeyrot
+#-- Licence:     any use permitted
+#-----------------------------------------------------------------------------
+
+verbose=0
+args=""
+objects=""
+
+while test \${#} -gt 0; do
+    case \${1} in
+
+       -v)
+        verbose=1
+        ;;
+
+       -o|-compatibility_version|-current_version|-framework|-undefined|-install_name)
+        # collect these options and values
+        args="\${args} \${1} \${2}"
+        shift
+        ;;
+
+       -l*|-L*|-flat_namespace)
+        # collect these options
+        args="\${args} \${1}"
+        ;;
+
+       -dynamiclib)
+        # skip these options
+        ;;
+
+       -*)
+        echo "shared-ld: unhandled option '\${1}'"
+        exit 1
+        ;;
+
+        *.o | *.a | *.dylib)
+        # collect object files
+        objects="\${objects} \${1}"
+        ;;
+
+        *)
+        echo "shared-ld: unhandled argument '\${1}'"
+        exit 1
+        ;;
+
+    esac
+    shift
+done
+
+#
+# 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}
+fi
+
+#
+# Link the shared library from the single module created
+#
+if test \${verbose} = 1; then
+    echo "cc -dynamiclib master.\$\$.o \${args}"
+fi
+c++ -dynamiclib master.\$\$.o \${args}
+status=\$?
+if test \${status} != 0; then
+    exit \${status}
+fi
+
+#
+# Remove intermediate module
+#
+rm -f master.\$\$.o
+
+exit 0
+EOF
+        chmod +x shared-ld-sh
+
+        SHARED_LD_CC="`pwd`/shared-ld-sh -undefined suppress -flat_namespace -o"
+        SHARED_LD_CXX="$SHARED_LD_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="$AIX_CXX_LD -p 0 -o"
+        fi
+      ;;
+
+      *-*-beos* )
+        dnl can't use gcc under BeOS for shared library creation because it
+        dnl complains about missing 'main'
+        SHARED_LD_CC="${LD} -shared -o"
+        SHARED_LD_CXX="${LD} -shared -o"
+      ;;
+
+      *-*-irix* )
+        dnl default settings are ok for gcc
+        if test "x$GCC" != "xyes"; then
+            PIC_FLAG="-KPIC"
+        fi
+      ;;
+      
+      *-*-cygwin* | *-*-mingw32* )
+        PIC_FLAG=""
+      ;;
+      
+      *-*-freebsd* | *-*-openbsd* | *-*-netbsd* | \
+      *-*-sunos4* | \
+      *-*-osf* | \
+      *-*-dgux5* | \
+      *-*-sysv5* )
+        dnl defaults are ok
+      ;;
+
+      *)
+        AC_MSG_ERROR(unknown system type $host.)
+    esac
+
+    AC_SUBST(SHARED_LD_CC)
+    AC_SUBST(SHARED_LD_CXX)
+    AC_SUBST(PIC_FLAG)
+])
+
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_SHARED_VERSIONS
+dnl
+dnl Detects linker options for attaching versions (sonames) to shared  libs.
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN(AC_BAKEFILE_SHARED_VERSIONS,
+[
+    USE_SOVERSION=0
+    USE_SOVERLINUX=0
+    USE_SOVERSOLARIS=0
+    USE_SOSYMLINKS=0
+    USE_MACVERSION=0
+    SONAME_FLAG=
+
+    case "${host}" in
+      *-*-linux* )
+        SONAME_FLAG="-Wl,-soname,"
+        USE_SOVERSION=1
+        USE_SOVERLINUX=1
+        USE_SOSYMLINKS=1
+      ;;
+
+      *-*-solaris2* )
+        SONAME_FLAG="-h "
+        USE_SOVERSION=1
+        USE_SOVERSOLARIS=1
+        USE_SOSYMLINKS=1
+      ;;
+
+      *-*-darwin* )
+        USE_MACVERSION=1
+        USE_SOVERSION=1
+        USE_SOSYMLINKS=1
+      ;;      
+    esac
+
+    AC_SUBST(USE_SOVERSION)
+    AC_SUBST(USE_SOVERLINUX)
+    AC_SUBST(USE_SOVERSOLARIS)
+    AC_SUBST(USE_MACVERSION)
+    AC_SUBST(USE_SOSYMLINKS)
+    AC_SUBST(SONAME_FLAG)
+])
+
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_DEPS
+dnl
+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$GCC" = "xyes"; then
+        DEPSMODE=gcc
+        DEPS_TRACKING=1
+        case "${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 $DEPS_TRACKING = 1 ; then
+        cat <<EOF >bk-deps
+#!/bin/sh
+
+# This script is part of Bakefile (http://bakefile.sf.net) autoconf script.
+# It is used to track C/C++ files dependencies in portable way.
+#
+# Permission is given to use this file in any way.
+
+DEPSMODE=$DEPSMODE
+DEPSDIR=.deps
+DEPSFLAG_GCC="$DEPSFLAG_GCC"
+
+mkdir -p \$DEPSDIR
+
+if test \$DEPSMODE = gcc ; then
+    \${*} \${DEPSFLAG_GCC}
+    status=\${?}
+    if test \${status} != 0 ; then
+        exit \${status}
+    fi
+    # move created file to the location we want it in:
+    while test \${#} -gt 0; do
+        case "\${1}" in
+            -o )
+                shift
+                objfile=\${1}
+            ;;
+            -* )
+            ;;
+            * )
+                srcfile=\${1}
+            ;;
+        esac
+        shift
+    done
+    depfile=\`basename \$srcfile | sed -e 's/\..*$/.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/\..*$/.d/g'\`
+        if test -f \$depfile ; then
+            sed -e "/^\$objfile/! s,\$depobjname:,\$objfile:,g" \$depfile >\${DEPSDIR}/\${objfile}.d
+            rm -f \$depfile
+        fi
+    fi
+    exit 0
+else
+    \${*}
+    exit \${?}
+fi
+EOF
+        chmod +x bk-deps
+    fi
+    
+    AC_SUBST(DEPS_TRACKING)
+])
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_CHECK_BASIC_STUFF
+dnl
+dnl Checks for presence of basic programs, such as C and C++ compiler, "ranlib"
+dnl or "install"
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN(AC_BAKEFILE_CHECK_BASIC_STUFF,
+[
+    AC_PROG_RANLIB
+    AC_PROG_INSTALL
+    AC_PROG_LN_S
+
+    AC_PROG_MAKE_SET
+    AC_SUBST(MAKE_SET)
+    
+    if test "$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)
+
+    LDFLAGS_GUI=
+    case ${host} in
+        *-*-cygwin* | *-*-mingw32* )
+        LDFLAGS_GUI="-Wl,--subsystem,windows -mwindows"
+    esac
+    AC_SUBST(LDFLAGS_GUI)
+])
+
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_RES_COMPILERS
+dnl
+dnl Checks for presence of resource compilers for win32 or mac
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN(AC_BAKEFILE_RES_COMPILERS,
+[
+    RESCOMP=
+    SETFILE=
+
+    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
+
+    AC_SUBST(RESCOMP)
+    AC_SUBST(SETFILE)
+])
+
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE
+dnl
+dnl To be used in configure.in of any project using Bakefile-generated mks
+dnl ---------------------------------------------------------------------------
+
+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
+
+    builtin(include, autoconf_inc.m4)
+])
+