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AC_PREREQ(2.50)

m4_define([metacity_major_version], [2])
m4_define([metacity_minor_version], [30])
# Fibonacci sequence for micro version numbering:
# 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987
m4_define([metacity_micro_version], [5])

m4_define([metacity_version],
          [metacity_major_version.metacity_minor_version.metacity_micro_version])
AC_INIT([metacity], [metacity_version],
        [http://bugzilla.gnome.org/enter_bug.cgi?product=metacity])

AC_CONFIG_SRCDIR(src/core/display.c)
AC_CONFIG_HEADERS(config.h)

AM_INIT_AUTOMAKE
AM_MAINTAINER_MODE

# Honor aclocal flags
AC_SUBST(ACLOCAL_AMFLAGS, "\${ACLOCAL_FLAGS}")

GETTEXT_PACKAGE=metacity
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",[Name of default gettext domain])

IT_PROG_INTLTOOL([0.34.90])
AC_PROG_CC
AC_ISC_POSIX
AC_HEADER_STDC
AC_LIBTOOL_WIN32_DLL
AM_PROG_LIBTOOL

#### Integer sizes

AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(__int64)

## byte order
AC_C_BIGENDIAN

#### Warnings

changequote(,)dnl
if test "x$GCC" = "xyes"; then
  case " $CFLAGS " in
  *[\ \ ]-Wall[\ \ ]*) ;;
  *) CFLAGS="$CFLAGS -Wall" ;;
  esac

# case " $CFLAGS " in
# *[\ \ ]-Wshadow[\ \ ]*) ;;
# *) CFLAGS="$CFLAGS -Wshadow" ;;
# esac

  case " $CFLAGS " in
  *[\ \ ]-Wchar-subscripts[\ \ ]*) ;;
  *) CFLAGS="$CFLAGS -Wchar-subscripts" ;;
  esac

  case " $CFLAGS " in
  *[\ \ ]-Wmissing-declarations[\ \ ]*) ;;
  *) CFLAGS="$CFLAGS -Wmissing-declarations" ;;
  esac

  case " $CFLAGS " in
  *[\ \ ]-Wmissing-prototypes[\ \ ]*) ;;
  *) CFLAGS="$CFLAGS -Wmissing-prototypes" ;;
  esac

  case " $CFLAGS " in
  *[\ \ ]-Wnested-externs[\ \ ]*) ;;
  *) CFLAGS="$CFLAGS -Wnested-externs" ;;
  esac

  case " $CFLAGS " in
  *[\ \ ]-Wpointer-arith[\ \ ]*) ;;
  *) CFLAGS="$CFLAGS -Wpointer-arith" ;;
  esac

  case " $CFLAGS " in
  *[\ \ ]-Wcast-align[\ \ ]*) ;;
  *) CFLAGS="$CFLAGS -Wcast-align" ;;
  esac

  case " $CFLAGS " in
  *[\ \ ]-Wsign-compare[\ \ ]*) ;;
  *) CFLAGS="$CFLAGS -Wsign-compare" ;;
  esac

  if test "x$enable_ansi" = "xyes"; then
    case " $CFLAGS " in
    *[\ \ ]-ansi[\ \ ]*) ;;
    *) CFLAGS="$CFLAGS -ansi" ;;
    esac

    case " $CFLAGS " in
    *[\ \ ]-pedantic[\ \ ]*) ;;
    *) CFLAGS="$CFLAGS -pedantic" ;;
    esac
  fi
fi
changequote([,])dnl

AC_MSG_CHECKING([which gtk+ version to compile against])
AC_ARG_WITH([gtk],
  AC_HELP_STRING([--with-gtk=2.0|3.0],
                 [which gtk+ version to compile against (default: 2.0)]),
  [case "$with_gtk" in
      2.0|3.0) ;;
      *) AC_MSG_ERROR([invalid gtk+ version specified]);;
  esac],
  [with_gtk=2.0])
AC_MSG_RESULT([$with_gtk])

case "$with_gtk" in
  2.0) GTK_API_VERSION=2.0
       GTK_MIN_VERSION=2.20.0
       CANBERRA_GTK=libcanberra-gtk
       ;;
  3.0) GTK_API_VERSION=3.0
       GTK_MIN_VERSION=2.90.0
       CANBERRA_GTK=libcanberra-gtk3
       ;;
esac

METACITY_PC_MODULES="gtk+-$GTK_API_VERSION >= $GTK_MIN_VERSION pango >= 1.2.0 $CANBERRA_GTK"
AC_SUBST(GTK_API_VERSION)

AC_ARG_ENABLE(gconf,
  AC_HELP_STRING([--disable-gconf],
                 [disable gconf usage, for embedded/size-sensitive non-GNOME builds]),,
  enable_gconf=yes)

if test x$enable_gconf = xyes; then
    AC_DEFINE(HAVE_GCONF,1,[Build with gconf support])
    METACITY_PC_MODULES="$METACITY_PC_MODULES gconf-2.0 >= 1.2.0"
fi

AC_ARG_ENABLE(verbose-mode,
  AC_HELP_STRING([--disable-verbose-mode],
                 [disable metacity's ability to do verbose logging, for embedded/size-sensitive custom builds]),,
  enable_verbose_mode=yes)

if test x$enable_verbose_mode = xyes; then
    AC_DEFINE(WITH_VERBOSE_MODE,1,[Build with verbose mode support])
fi

AC_ARG_ENABLE(sm,
  AC_HELP_STRING([--disable-sm],
                 [disable metacity's session management support, for embedded/size-sensitive custom non-GNOME builds]),,
  enable_sm=auto)

AC_ARG_ENABLE(startup-notification,
  AC_HELP_STRING([--disable-startup-notification],
                 [disable metacity's startup notification support, for embedded/size-sensitive custom non-GNOME builds]),,
  enable_startup_notification=auto)

AC_ARG_ENABLE(compositor,
  AC_HELP_STRING([--disable-compositor],
                 [disable metacity's compositing manager]),,
  enable_compositor=auto)

AC_ARG_ENABLE(xsync,
  AC_HELP_STRING([--disable-xsync],
                 [disable metacity's use of the XSync extension]),,
  enable_xsync=auto)

AC_ARG_ENABLE(render,
  AC_HELP_STRING([--disable-render],
                 [disable metacity's use of the RENDER extension]),,
  enable_render=auto)

AC_ARG_ENABLE(shape,
  AC_HELP_STRING([--disable-shape],
                 [disable metacity's use of the shaped window extension]),,
  enable_shape=auto)

## try definining HAVE_BACKTRACE
AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)])

AM_GLIB_GNU_GETTEXT

## here we get the flags we'll actually use
# GOptionEntry requires glib-2.6.0
PKG_CHECK_MODULES(ALL, glib-2.0 >= 2.6.0)
# gtk_window_set_icon_name requires gtk2+-2.60
PKG_CHECK_MODULES(METACITY_MESSAGE, gtk+-$GTK_API_VERSION >= $GTK_MIN_VERSION)
PKG_CHECK_MODULES(METACITY_WINDOW_DEMO, gtk+-$GTK_API_VERSION >= $GTK_MIN_VERSION)

if $PKG_CONFIG --atleast-version 1.2.0 pangoxft; then
   echo "pangoxft found"
else
   AC_MSG_ERROR("Pango 1.2.0 or greater based on Xft2 is required")
fi

# Unconditionally use this dir to avoid a circular dep with gnomecc
GNOME_KEYBINDINGS_KEYSDIR="${datadir}/gnome-control-center/keybindings"
AC_SUBST(GNOME_KEYBINDINGS_KEYSDIR)

STARTUP_NOTIFICATION_VERSION=0.7
AC_MSG_CHECKING([Startup notification library >= $STARTUP_NOTIFICATION_VERSION])
if $PKG_CONFIG --atleast-version $STARTUP_NOTIFICATION_VERSION libstartup-notification-1.0; then
   have_startup_notification=yes
else
   have_startup_notification=no
fi
AC_MSG_RESULT($have_startup_notification)

if test x$enable_startup_notification = xyes; then
   have_startup_notification=yes
   echo "startup-notification support forced on"
elif test x$enable_startup_notification = xauto; then
   true
else
   have_startup_notification=no
fi

if test x$have_startup_notification = xyes; then
  echo "Building with libstartup-notification"
  METACITY_PC_MODULES="$METACITY_PC_MODULES libstartup-notification-1.0 >= $STARTUP_NOTIFICATION_VERSION"
  AC_DEFINE(HAVE_STARTUP_NOTIFICATION, , [Building with startup notification support])
else
  echo "Building without libstartup-notification"
fi

## init this, it gets set either in the compositor check below
## or the render-specific check later
have_xrender=no

XCOMPOSITE_VERSION=0.2
if test x$enable_compositor = xyes; then
   have_xcomposite=yes
elif test x$enable_compositor = xauto; then
   echo "Building compositing manager by default now."
   have_xcomposite=yes
else
   have_xcomposite=no
fi

if test x$have_xcomposite = xyes; then
   AC_MSG_CHECKING([Xcomposite >= $XCOMPOSITE_VERSION])
   if $PKG_CONFIG --atleast-version $XCOMPOSITE_VERSION xcomposite; then
      AC_MSG_RESULT([yes])
   else
      AC_MSG_ERROR([no. Use --disable-compositor to disable.])
   fi
fi

if test x$have_xcomposite = xyes; then
  METACITY_PC_MODULES="$METACITY_PC_MODULES xcomposite >= $XCOMPOSITE_VERSION xfixes xrender xdamage"
  AC_DEFINE(HAVE_COMPOSITE_EXTENSIONS, 1, [Building with compositing manager support])
  echo "Building with compositing manager"

  ## force on render also
  have_xrender=yes
else
  echo "Building without compositing manager"
fi

## if no compositor, still possibly enable render
if test x$have_xcomposite = xno; then
  XRENDER_VERSION=0.0
  AC_MSG_CHECKING([xrender >= $XRENDER_VERSION])
  if $PKG_CONFIG --atleast-version $XRENDER_VERSION xrender; then
     have_xrender=yes
  else
     have_xrender=no
  fi
  AC_MSG_RESULT($have_xrender)

  if test x$enable_render = xyes; then
     have_xrender=yes
     echo "Render support forced on"
  elif test x$enable_render = xauto; then
     true
  else
     have_xrender=no
  fi

  if test x$have_xrender = xyes; then
     echo "Building with Render"
     METACITY_PC_MODULES="$METACITY_PC_MODULES xrender >= $XRENDER_VERSION"
  fi
fi ## have_composite

if test x$have_xrender = xyes; then
  AC_DEFINE(HAVE_RENDER, , [Building with Render extension support])
fi

AC_MSG_CHECKING([Xcursor])
if $PKG_CONFIG xcursor; then
     have_xcursor=yes
  else
     have_xcursor=no
  fi
  AC_MSG_RESULT($have_xcursor)

if test x$have_xcursor = xyes; then
  echo "Building with Xcursor"
  METACITY_PC_MODULES="$METACITY_PC_MODULES xcursor"
  AC_DEFINE(HAVE_XCURSOR, , [Building with Xcursor support])
fi

AC_MSG_CHECKING([libgtop])
if $PKG_CONFIG libgtop-2.0; then
     have_gtop=yes
  else
     have_gtop=no
  fi
  AC_MSG_RESULT($have_gtop)

if test x$have_gtop = xyes; then
  echo "Building with libgtop"
  METACITY_PC_MODULES="$METACITY_PC_MODULES libgtop-2.0"
  AC_DEFINE(HAVE_GTOP, , [Building with libgtop])
fi

PKG_CHECK_MODULES(METACITY, $METACITY_PC_MODULES)

AC_PATH_XTRA

ALL_X_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"

# Check for Xinerama extension (Solaris impl or Xfree impl)
metacity_save_cppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $X_CFLAGS"

AC_ARG_ENABLE(xinerama,
  AC_HELP_STRING([--disable-xinerama],
                 [disable metacity's use of the Xinerama extension]),
  try_xinerama=$enable_xinerama,try_xinerama=yes)

use_solaris_xinerama=no
use_xfree_xinerama=no
if test "${try_xinerama}" != no; then
    case "$host" in
        *-*-solaris*)
            # Check for solaris
            use_solaris_xinerama=yes
            AC_CHECK_LIB(Xext, XineramaGetInfo,
                         use_solaris_xinerama=yes, use_solaris_xinerama=no,
                         $ALL_X_LIBS)
            if test "x$use_solaris_xinerama" = "xyes"; then
                AC_CHECK_HEADER(X11/extensions/xinerama.h,
                                if test -z "`echo $ALL_X_LIBS | grep "\-lXext" 2> /dev/null`"; then
                                    X_EXTRA_LIBS="-lXext $X_EXTRA_LIBS"
                                fi
                                AC_DEFINE(HAVE_SOLARIS_XINERAMA, , [Have Solaris-style Xinerama])
                                AC_DEFINE(HAVE_XINERAMA, , [Have some version of Xinerama]),
                                use_solaris_xinerama=no,
                                [#include <X11/Xlib.h>])
            fi
            AC_MSG_CHECKING(for Xinerama support on Solaris)
            AC_MSG_RESULT($use_solaris_xinerama);
            ;;
        *)
            # Check for XFree
            use_xfree_xinerama=yes
            AC_CHECK_LIB(Xinerama, XineramaQueryExtension,
                [AC_CHECK_HEADER(X11/extensions/Xinerama.h,
                                 X_EXTRA_LIBS="-lXinerama $X_EXTRA_LIBS"
                                 if test -z "`echo $ALL_X_LIBS | grep "\-lXext" 2> /dev/null`"; then
                                     X_EXTRA_LIBS="-lXext $X_EXTRA_LIBS"
                                 fi
                                 AC_DEFINE(HAVE_XFREE_XINERAMA, , [Have XFree86-style Xinerama])
                                 AC_DEFINE(HAVE_XINERAMA,, [Have some version of Xinerama]),
                                 use_xfree_xinerama=no,
                                 [#include <X11/Xlib.h>])],
                use_xfree_xinerama=no, -lXext $ALL_X_LIBS)
            AC_MSG_CHECKING(for Xinerama support on XFree86)
            AC_MSG_RESULT($use_xfree_xinerama);
            ;;
    esac
fi

CPPFLAGS="$metacity_save_cppflags"

SHAPE_LIBS=
found_shape=no
AC_CHECK_LIB(Xext, XShapeQueryExtension,
               [AC_CHECK_HEADER(X11/extensions/shape.h,
                                SHAPE_LIBS=-lXext found_shape=yes)],
               , $ALL_X_LIBS)

if test x$enable_shape = xno; then
   found_shape=no
fi

if test x$enable_shape = xyes; then
   if test "$found_shape" = "no"; then
      AC_MSG_ERROR([--enable-shape forced and Shape not found])
      exit 1
   fi
fi

if test "x$found_shape" = "xyes"; then
   AC_DEFINE(HAVE_SHAPE, , [Have the shape extension library])
fi

found_xkb=no
AC_CHECK_LIB(X11, XkbQueryExtension,
               [AC_CHECK_HEADER(X11/XKBlib.h,
                                found_xkb=yes)],
, $ALL_X_LIBS)

if test "x$found_xkb" = "xyes"; then
   AC_DEFINE(HAVE_XKB, , [Have keyboard extension library])
fi


RANDR_LIBS=
found_randr=no
AC_CHECK_LIB(Xrandr, XRRUpdateConfiguration,
               [AC_CHECK_HEADER(X11/extensions/Xrandr.h,
                                RANDR_LIBS=-lXrandr found_randr=yes,,
[#include <X11/Xlib.h>])],
               , -lXrender -lXext $ALL_X_LIBS)

if test "x$found_randr" = "xyes"; then
   AC_DEFINE(HAVE_RANDR, , [Have the Xrandr extension library])
fi

XSYNC_LIBS=
found_xsync=no
AC_CHECK_LIB(Xext, XSyncQueryExtension,
               [AC_CHECK_HEADER(X11/extensions/sync.h,
                                found_xsync=yes,,
[#include <X11/Xlib.h>])],
               , $ALL_X_LIBS)

if test x$enable_xsync = xno; then
   found_xsync=no
fi

if test x$enable_xsync = xyes; then
   if test "$found_xsync" = "no"; then
      AC_MSG_ERROR([--enable-xsync forced and XSync not found])
      exit 1
   fi
fi

if test "x$found_xsync" = "xyes"; then
   XSYNC_LIBS=-lXext
   AC_DEFINE(HAVE_XSYNC, , [Have the Xsync extension library])
fi

METACITY_LIBS="$METACITY_LIBS $XSYNC_LIBS $RANDR_LIBS $SHAPE_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS -lm"
METACITY_MESSAGE_LIBS="$METACITY_MESSAGE_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
METACITY_WINDOW_DEMO_LIBS="$METACITY_WINDOW_DEMO_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
METACITY_PROPS_LIBS="$METACITY_PROPS_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"

found_sm=no
case "$METACITY_LIBS" in
 *-lSM*)
    found_sm=yes
    ;;
 *)
  AC_CHECK_LIB(SM, SmcSaveYourselfDone,
               [AC_CHECK_HEADERS(X11/SM/SMlib.h,
                                METACITY_LIBS="-lSM -lICE $METACITY_LIBS" found_sm=yes)],
               , $METACITY_LIBS)
    ;;
esac

if test x$enable_sm = xno; then
   found_sm=no
fi

if test x$enable_sm = xyes; then
   if test "$found_sm" = "no"; then
      AC_MSG_ERROR([--enable-sm forced and -lSM not found])
      exit 1
   fi
fi

if test "$found_sm" = "yes"; then
   AC_DEFINE(HAVE_SM, , [Building with SM support])
fi

AM_CONDITIONAL(HAVE_SM, test "$found_sm" = "yes")

HOST_ALIAS=$host_alias
AC_SUBST(HOST_ALIAS)

AC_PATH_PROG(GDK_PIXBUF_CSOURCE, gdk-pixbuf-csource, no)

if test x"$GDK_PIXBUF_CSOURCE" = xno; then
  AC_MSG_ERROR([gdk-pixbuf-csource executable not found in your path - should be installed with GTK])
fi

AC_SUBST(GDK_PIXBUF_CSOURCE)

if test x$enable_gconf = xyes; then
   AC_PATH_PROG(GCONFTOOL, gconftool-2, no)
   if test x"$GCONFTOOL" = xno; then
     AC_MSG_ERROR([gconftool-2 executable not found in your path - should be installed with GConf])
   fi

   AM_GCONF_SOURCE_2
else
  GCONF_SCHEMAS_INSTALL_TRUE='#'
  GCONF_SCHEMAS_INSTALL_FALSE=
fi

AC_PATH_PROG(ZENITY, zenity, no)
if test x"$ZENITY" = xno; then
  AC_MSG_ERROR([zenity not found in your path - needed for dialogs])
fi

AC_ARG_ENABLE(debug,
[ --enable-debug enable debugging],,
enable_debug=no)
if test "x$enable_debug" = "xyes"; then
CFLAGS="$CFLAGS -g -O"
fi

# Warnings are there for a reason
if test "x$GCC" = "xyes"; then
  CFLAGS="$CFLAGS -Wall -ansi"
  if test "x$enable_maintainer_mode" = "xyes"; then
    CFLAGS="$CFLAGS -Werror"
  fi
fi

# Use gnome-doc-utils:
GNOME_DOC_INIT([0.8.0])

AC_CONFIG_FILES([
Makefile
doc/Makefile
doc/creating_themes/Makefile
doc/man/Makefile
src/Makefile
src/wm-tester/Makefile
src/libmetacity-private.pc
src/tools/Makefile
src/themes/Makefile
po/Makefile.in
])

AC_OUTPUT

if test x$enable_gconf = xno; then
        echo "*** WARNING WARNING WARNING WARNING WARNING"
        echo "*** Building without GConf. This means there's no"
        echo "*** way to change prefs except hacking source code."
        echo "*** This is intended for embedded systems etc., not for normal use."
fi

if test x$enable_verbose_mode = xno; then
        echo "*** WARNING WARNING WARNING WARNING WARNING"
        echo "*** Building without verbose mode"
        echo "*** This means there's no way to debug metacity problems."
        echo "*** Please build normal desktop versions of metacity"
        echo "*** with verbose mode enabled so users can use it when they report bugs."
fi

dnl ==========================================================================
echo "
metacity-$VERSION (using gtk+-${GTK_API_VERSION}):

prefix: ${prefix}
source code location: ${srcdir}
compiler: ${CC}

GConf: ${enable_gconf}
XFree86 Xinerama: ${use_xfree_xinerama}
Solaris Xinerama: ${use_solaris_xinerama}
Startup notification: ${have_startup_notification}
Compositing manager: ${have_xcomposite}
Session management: ${found_sm}
Shape extension: ${found_shape}
Resize-and-rotate: ${found_randr}
Xsync: ${found_xsync}
Render: ${have_xrender}
Xcursor: ${have_xcursor}
"

METACITY_MINOR_VERSION=metacity_minor_version
if test $(( $(echo $METACITY_MINOR_VERSION) %2)) == "1"; then
   stable_version=$(( ($METACITY_MINOR_VERSION / 2) * 2))
   echo "This is the UNSTABLE branch of metacity"
   echo -n "Use 2.$stable_version.x for stable "
   echo "(gnome-2-$stable_version branch in Subversion)"
else
   echo "This is the stable branch of metacity"
fi
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