AC_PREREQ(2.50)
AC_INIT(src/display.c)

AM_CONFIG_HEADER(config.h)

# we'll hold the 2.8.x versioning for GNOME 2.8, it was also used
# for GNOME 2.6, then after GNOME 2.8 we'll have the numbers synced
# with GNOME
AM_INIT_AUTOMAKE(metacity, 2.8.6)

# Honor aclocal flags
ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"

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

AM_MAINTAINER_MODE

AC_PROG_INTLTOOL([0.21])
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

METACITY_PC_MODULES='gtk+-2.0 >= 2.2.0 pango >= 1.2.0'

AC_ARG_ENABLE(config-dialog,      [  --enable-config-dialog      enable the config dialog that you need with GNOME 2.0 (obsolete with GNOME 2.2)],,enable_config_dialog=no)

AM_CONDITIONAL(BUILD_CONFIG_DIALOG, test x$enable_config_dialog = xyes)
if test x$enable_config_dialog = xyes; then
    AC_DEFINE(BUILD_CONFIG_DIALOG,1,[Build configuration dialog])
fi

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

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

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

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

AC_ARG_ENABLE(shape,       [  --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)])

ALL_LINGUAS="am ar az be bg bn bs ca cs cy da de el en_CA en_GB es et eu fa fi fr ga gl gu he hi hr hu id is it ja ko lt lv mk ml mn ms nb nl nn no or pa pl pt pt_BR ro ru sl sk sq sr sr@Latn sv ta th tk tr uk vi wa zh_CN zh_TW"
AM_GLIB_GNU_GETTEXT

## here we get the flags we'll actually use
PKG_CHECK_MODULES(METACITY_MESSAGE, gtk+-2.0 >= 2.2.0)
PKG_CHECK_MODULES(METACITY_WINDOW_DEMO, gtk+-2.0 >= 2.2.0)

if test x$enable_config_dialog = xyes; then
   PKG_CHECK_MODULES(METACITY_PROPS, gtk+-2.0 >= 2.2.0 gconf-2.0 >= 1.1.9 libglade-2.0)
fi

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

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=1.0
AC_MSG_CHECKING([Xcomposite >= $XCOMPOSITE_VERSION])
if $PKG_CONFIG --atleast-version $XCOMPOSITE_VERSION xcomposite; then
   have_xcomposite=yes
else
   have_xcomposite=no
fi
AC_MSG_RESULT($have_xcomposite)

if test x$enable_compositor = xyes; then
   have_xcomposite=yes
   echo "CompositeExt support forced on"
elif test x$enable_compositor = xauto; then
   echo "Not building compositing manager by default now, must enable explicitly to get it. And it doesn't work, so don't bother unless you want to hack on it..."
   have_xcomposite=no
else
   have_xcomposite=no
fi

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

  ## 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

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,[  --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="$XSYNC_LIBS $RANDR_LIBS $SHAPE_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS $METACITY_LIBS"
METACITY_MESSAGE_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS $METACITY_MESSAGE_LIBS"
METACITY_WINDOW_DEMO_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS $METACITY_WINDOW_DEMO_LIBS"
METACITY_PROPS_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS $METACITY_PROPS_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=no)],
               , $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)

## hack to work with old GTK versions for now 
save_LDFLAGS=$LDFLAGS
LDFLAGS="$METACITY_LIBS $LDFLAGS"
AC_CHECK_FUNCS(gdk_pixbuf_new_from_stream)
LDFLAGS=$save_LDFLAGS

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
fi

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

if test x$enable_gconf = xno; then
        echo "*** WARNING WARNING WARNING WARNING WARNING"
        echo "*** Building without GConf"
        echo "*** This means there's no way to change prefs except"
        echo "*** hacking source code, at least for now."
        echo "*** Also, some prefs may have broken defaults."
        echo "*** Patches needed for a simple no-gconf config file."
        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:

	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}
        Deprecated config dialog: ${enable_config_dialog}
"
# echo "This is the UNSTABLE branch of metacity, use 2.8.1.x for stable (gnome-2-6 branch in CVS)"